GET /api/v0/nonlocalizedeventsequence/?format=api&offset=8300&ordering=-sequence_number
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 11124,
    "next": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=8400&ordering=-sequence_number",
    "previous": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=8200&ordering=-sequence_number",
    "results": [
        {
            "id": 5388,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 113664,
                "topic": "igwn.gwalert",
                "uuid": "70e4d457-a68e-4410-ad09-c3278677188d",
                "title": "S240912d - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240912d/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240912d/view/"
                    },
                    "event": {
                        "far": 2.245894233283161e-05,
                        "time": "2024-09-12T22:28:47.179Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 4795.7238887366075,
                        "area_90": 17249.162996379906,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "2f0cbf56ab65bb8f01b80e8c294aceb8",
                        "classification": {
                            "BBH": 0.039034105572342305,
                            "BNS": 4.4149813175331857e-16,
                            "NSBH": 2.2485314431115372e-11,
                            "Terrestrial": 0.960965894405172
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-12T22:29:12Z",
                    "superevent_id": "S240912d",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-12T22:29:13.830468Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-12T22:29:13.830487Z",
                "modified": "2024-09-12T22:29:13.839136Z"
            }
        },
        {
            "id": 5390,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 113821,
                "topic": "igwn.gwalert",
                "uuid": "fd93329c-2196-4597-92c7-81005ceffbbf",
                "title": "S240913bs - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240913bs/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240913bs/view/"
                    },
                    "event": {
                        "far": 2.125198920241931e-07,
                        "time": "2024-09-13T11:12:16.911Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 816.21306996786,
                        "area_90": 4666.472667374089,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.026260429225946468,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "6043ad1f2ed286e4efe3727c2049e745",
                        "classification": {
                            "BBH": 0.8747953015857289,
                            "BNS": 2.173474569872954e-14,
                            "NSBH": 1.6587583813323202e-12,
                            "Terrestrial": 0.12520469841259052
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-13T11:12:44Z",
                    "superevent_id": "S240913bs",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-13T11:12:45.446529Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-13T11:12:45.446547Z",
                "modified": "2024-09-13T11:12:45.454176Z"
            }
        },
        {
            "id": 5392,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 113828,
                "topic": "igwn.gwalert",
                "uuid": "74f73612-e1bd-4906-b701-1f05a089cf65",
                "title": "S240913bw - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240913bw/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240913bw/view/"
                    },
                    "event": {
                        "far": 6.45702e-06,
                        "time": "2024-09-13T11:37:54.551Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 568.20179780796,
                        "area_90": 2597.613831928562,
                        "duration": 0.003169,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "01ab763584266c1b618c17f6388125c9",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 224.473373
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-13T11:39:37Z",
                    "superevent_id": "S240913bw",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-13T11:39:38.482957Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-13T11:39:38.482975Z",
                "modified": "2024-09-13T11:39:38.487928Z"
            }
        },
        {
            "id": 5394,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 113882,
                "topic": "igwn.gwalert",
                "uuid": "0d052e77-9964-4f39-8482-3a8d399d85ce",
                "title": "S240913cn - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240913cn/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240913cn/view/"
                    },
                    "event": {
                        "far": 1.79952e-05,
                        "time": "2024-09-13T13:44:24.915Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 517.84417909529,
                        "area_90": 3106.2257809265293,
                        "duration": 0.002293,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c73ceecddd8bc33ac5944bafea06fb84",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 255.344513
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-13T13:46:56Z",
                    "superevent_id": "S240913cn",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-13T13:46:57.620446Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-13T13:46:57.620474Z",
                "modified": "2024-09-13T13:46:57.628216Z"
            }
        },
        {
            "id": 5396,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 113964,
                "topic": "igwn.gwalert",
                "uuid": "5e0dd64d-ae01-43bc-bcda-8a10598acb24",
                "title": "S240913ds - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240913ds/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240913ds/view/"
                    },
                    "event": {
                        "far": 1.699721458184164e-05,
                        "time": "2024-09-13T20:07:49.928Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 3838.929133195878,
                        "area_90": 16957.088807846416,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "21d4290f5ad387f10a912e568a2b283e",
                        "classification": {
                            "BBH": 0.05773023891248592,
                            "BNS": 1.506272376433328e-14,
                            "NSBH": 1.137883611895435e-12,
                            "Terrestrial": 0.9422697610863612
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-13T20:08:14Z",
                    "superevent_id": "S240913ds",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-13T20:08:15.182805Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-13T20:08:15.182821Z",
                "modified": "2024-09-13T20:08:15.188553Z"
            }
        },
        {
            "id": 5398,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114054,
                "topic": "igwn.gwalert",
                "uuid": "c4229458-5c69-4e77-9a4e-6a5dd6909a06",
                "title": "S240914q - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240914q/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240914q/view/"
                    },
                    "event": {
                        "far": 7.99386878792775e-06,
                        "time": "2024-09-14T03:41:40.043Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1895.9643445320264,
                        "area_90": 12716.977312239602,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "6313a4de7bb367533446545c156687da",
                        "classification": {
                            "BBH": 0.1360678798096688,
                            "BNS": 5.174053219215569e-15,
                            "NSBH": 1.2073050279616208e-12,
                            "Terrestrial": 0.8639321201891187
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-14T03:42:09Z",
                    "superevent_id": "S240914q",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-14T03:42:11.079193Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-14T03:42:11.079214Z",
                "modified": "2024-09-14T03:42:11.093472Z"
            }
        },
        {
            "id": 5400,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114131,
                "topic": "igwn.gwalert",
                "uuid": "90e8fb13-cd96-44b6-ba8a-2f986e5aa95c",
                "title": "S240914bc - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240914bc/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240914bc/view/"
                    },
                    "event": {
                        "far": 5.20387e-06,
                        "time": "2024-09-14T08:15:21.085Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 445.66492560712965,
                        "area_90": 3157.4226932844103,
                        "duration": 0.065376,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "437bd24752412a574c1f8274684e2d91",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 736.227539
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-14T08:19:26Z",
                    "superevent_id": "S240914bc",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-14T08:19:27.732988Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-14T08:19:27.733004Z",
                "modified": "2024-09-14T08:19:27.738379Z"
            }
        },
        {
            "id": 5402,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114162,
                "topic": "igwn.gwalert",
                "uuid": "4798f493-a8f9-46ec-b1a4-67787f9435d1",
                "title": "S240914bp - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240914bp/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240914bp/view/"
                    },
                    "event": {
                        "far": 2.799059e-06,
                        "time": "2024-09-14T10:29:31.341Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 208.56447083497497,
                        "area_90": 1084.787036435433,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.43441171755863506,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "d5358c5e587321ee01ddd478cff502be",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.004737001,
                            "NSBH": 0.000152806,
                            "Terrestrial": 0.995110193
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-14T10:30:14Z",
                    "superevent_id": "S240914bp",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-14T10:30:16.102851Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-14T10:30:16.102876Z",
                "modified": "2024-09-14T10:30:16.108946Z"
            }
        },
        {
            "id": 5404,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114190,
                "topic": "igwn.gwalert",
                "uuid": "f390eda9-6f4b-4e14-b492-a687a3d93d90",
                "title": "S240914bz - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240914bz/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240914bz/view/"
                    },
                    "event": {
                        "far": 1.58827696298868e-05,
                        "time": "2024-09-14T12:24:24.834Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 535.8889924673301,
                        "area_90": 2275.325072167474,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "7e4106a1a8965991e58c0c14016afae6",
                        "classification": {
                            "BBH": 0.06176969054953252,
                            "BNS": 1.649728920859828e-15,
                            "NSBH": 1.0861787523618639e-13,
                            "Terrestrial": 0.9382303094503572
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-14T12:24:51Z",
                    "superevent_id": "S240914bz",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-14T12:24:52.219155Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-14T12:24:52.219174Z",
                "modified": "2024-09-14T12:24:52.224446Z"
            }
        },
        {
            "id": 5406,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114231,
                "topic": "igwn.gwalert",
                "uuid": "7c000a7f-55ba-4816-8437-c44649016807",
                "title": "S240914cr - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240914cr/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240914cr/view/"
                    },
                    "event": {
                        "far": 9.098458677261237e-06,
                        "time": "2024-09-14T14:06:18.444Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 873.4948612535222,
                        "area_90": 3514.9617861443676,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.000689655172413793,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "953e0e9b2483338baa39a88ec1999bf1",
                        "classification": {
                            "BBH": 4.715644900055963e-05,
                            "BNS": 7.572057534479168e-07,
                            "NSBH": 0.002789958177046334,
                            "Terrestrial": 0.9971621281681997
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-14T14:06:46Z",
                    "superevent_id": "S240914cr",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-14T14:06:47.598408Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-14T14:06:47.598428Z",
                "modified": "2024-09-14T14:06:47.606591Z"
            }
        },
        {
            "id": 5408,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114246,
                "topic": "igwn.gwalert",
                "uuid": "76b35832-0ce4-47aa-a07f-28197911ce53",
                "title": "S240914cy - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240914cy/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240914cy/view/"
                    },
                    "event": {
                        "far": 6.39035e-06,
                        "time": "2024-09-14T14:43:55.937Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 690.7386700087906,
                        "area_90": 2312.253992556765,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.03369230769230769,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "98e5896e3ae3b241ed35d6ec35d238ba",
                        "classification": {
                            "BBH": 0.001495122693337736,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9985048773066623
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-14T14:45:50Z",
                    "superevent_id": "S240914cy",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-14T14:45:50.700640Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-14T14:45:50.700660Z",
                "modified": "2024-09-14T14:45:50.706086Z"
            }
        },
        {
            "id": 5410,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114253,
                "topic": "igwn.gwalert",
                "uuid": "5ff987d6-847a-46be-979c-1c446a3283ef",
                "title": "S240914db - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240914db/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240914db/view/"
                    },
                    "event": {
                        "far": 8.225719e-07,
                        "time": "2024-09-14T15:02:37.406Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 445.5075580486525,
                        "area_90": 1546.8181881241806,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "c7f81010f1d99148d288f59cab27d1f9",
                        "classification": {
                            "BBH": 0.608419526,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.391580474
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-14T15:03:10Z",
                    "superevent_id": "S240914db",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-14T15:03:11.548761Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-14T15:03:11.548788Z",
                "modified": "2024-09-14T15:03:11.554864Z"
            }
        },
        {
            "id": 5412,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114301,
                "topic": "igwn.gwalert",
                "uuid": "e9ffd6c4-f7fe-48f1-888f-8f6406d7d289",
                "title": "S240914dr - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240914dr/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240914dr/view/"
                    },
                    "event": {
                        "far": 1.8767e-07,
                        "time": "2024-09-14T17:43:01.385Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 118.34040397477453,
                        "area_90": 555.6123931297925,
                        "duration": 0.057506,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "1c21d973ddc6c0dc438ff45081eede4b",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1052.291748
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-14T17:46:18Z",
                    "superevent_id": "S240914dr",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-14T17:46:18.855140Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-14T17:46:18.855164Z",
                "modified": "2024-09-14T17:46:18.860391Z"
            }
        },
        {
            "id": 5414,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114339,
                "topic": "igwn.gwalert",
                "uuid": "5e8d0e2e-b2f9-4796-890e-bc93d0644eee",
                "title": "S240914eh - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240914eh/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240914eh/view/"
                    },
                    "event": {
                        "far": 3.42024e-06,
                        "time": "2024-09-14T20:16:33.289Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 276.96690291968514,
                        "area_90": 1143.9572384228206,
                        "duration": 0.004889,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "100fcc080ea311b7e6b379bbd4e9d366",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 132.752029
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-14T20:19:00Z",
                    "superevent_id": "S240914eh",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-14T20:19:02.109364Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-14T20:19:02.109382Z",
                "modified": "2024-09-14T20:19:02.117589Z"
            }
        },
        {
            "id": 5416,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114355,
                "topic": "igwn.gwalert",
                "uuid": "449fb84a-9af7-4258-863e-7a716446695c",
                "title": "S240914el - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240914el/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240914el/view/"
                    },
                    "event": {
                        "far": 2.956958930479854e-06,
                        "time": "2024-09-14T20:51:21.845Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 326.1704928701898,
                        "area_90": 1351.6824156125845,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 7.637361697513681e-05,
                            "HasMassGap": 0.19370338094499054,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "585be55ba4598635ac54bbd8235646e0",
                        "classification": {
                            "BBH": 0.3108710534491778,
                            "BNS": 5.423140645245005e-17,
                            "NSBH": 5.3859917430616354e-05,
                            "Terrestrial": 0.6890750866333915
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-14T20:51:53Z",
                    "superevent_id": "S240914el",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-14T20:51:53.848300Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-14T20:51:53.848328Z",
                "modified": "2024-09-14T20:51:53.853704Z"
            }
        },
        {
            "id": 5418,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114361,
                "topic": "igwn.gwalert",
                "uuid": "da9cb730-33f1-4544-8671-01054f673d72",
                "title": "S240914es - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240914es/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240914es/view/"
                    },
                    "event": {
                        "far": 5.46384e-06,
                        "time": "2024-09-14T21:16:44.772Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 535.4693456447245,
                        "area_90": 1936.250439502162,
                        "duration": 0.007743,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "52f6b4521eb25cb505dec5cdd2b60b82",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 254.240128
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-14T21:19:11Z",
                    "superevent_id": "S240914es",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-14T21:19:12.573399Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-14T21:19:12.573421Z",
                "modified": "2024-09-14T21:19:12.579218Z"
            }
        },
        {
            "id": 5420,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114367,
                "topic": "igwn.gwalert",
                "uuid": "b9d22f34-5122-4666-9e77-a7a544db77cd",
                "title": "S240914ey - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240914ey/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240914ey/view/"
                    },
                    "event": {
                        "far": 2.26542e-05,
                        "time": "2024-09-14T21:34:52.461Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 279.4847838553186,
                        "area_90": 874.5439783100361,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "8fd0ad3c3eb405c60b9e4b97a0694d9b",
                        "classification": {
                            "BBH": 0.0009061691548666317,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9990938308451334
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-14T21:40:27Z",
                    "superevent_id": "S240914ey",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-14T21:40:28.057987Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-14T21:40:28.058006Z",
                "modified": "2024-09-14T21:40:28.064034Z"
            }
        },
        {
            "id": 5422,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114389,
                "topic": "igwn.gwalert",
                "uuid": "a0ec6b25-28e5-4b44-9468-893f32f9612f",
                "title": "S240914fr - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240914fr/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240914fr/view/"
                    },
                    "event": {
                        "far": 6.298031398133449e-06,
                        "time": "2024-09-14T23:39:16.170Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 357.2768135958287,
                        "area_90": 1466.4558215952113,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.022579365079365078,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "64045182921952886efbdefc79d05f70",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.007129901850975402,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9928700981490246
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-14T23:39:43Z",
                    "superevent_id": "S240914fr",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-14T23:39:43.641542Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-14T23:39:43.641560Z",
                "modified": "2024-09-14T23:39:43.651086Z"
            }
        },
        {
            "id": 5424,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114403,
                "topic": "igwn.gwalert",
                "uuid": "a9aeb4d9-e442-4aa9-9582-644065228c05",
                "title": "S240915b - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240915b/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240915b/view/"
                    },
                    "event": {
                        "far": 3.167545842243851e-10,
                        "time": "2024-09-15T00:13:57.715Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 8.297860218865091,
                        "area_90": 180.0284868977953,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.012833333333333332,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": true,
                        "skymap_hash": "00cb0e8a12bc4e41c9340ba1786ae176",
                        "classification": {
                            "BBH": 0.8611293826734246,
                            "BNS": 0.0,
                            "NSBH": 0.13734306129569698,
                            "Terrestrial": 0.0015275560308783964
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-15T00:14:27Z",
                    "superevent_id": "S240915b",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-15T00:14:28.200609Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-15T00:14:28.200626Z",
                "modified": "2024-09-15T00:14:28.205693Z"
            }
        },
        {
            "id": 5427,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114433,
                "topic": "igwn.gwalert",
                "uuid": "8a68dce7-578b-4649-83be-9c558c6842c9",
                "title": "S240915aa - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240915aa/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240915aa/view/"
                    },
                    "event": {
                        "far": 2.055763e-05,
                        "time": "2024-09-15T02:27:45.698Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 422.7941737751254,
                        "area_90": 1592.979338610795,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0039234449760765545,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "da2fbebe443ce2fded013a25047fad0e",
                        "classification": {
                            "BBH": 0.000314242,
                            "BNS": 0.0,
                            "NSBH": 0.000302155,
                            "Terrestrial": 0.999383603
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-15T02:28:22Z",
                    "superevent_id": "S240915aa",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-15T02:28:22.562003Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-15T02:28:22.562036Z",
                "modified": "2024-09-15T02:28:22.571800Z"
            }
        },
        {
            "id": 5429,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114441,
                "topic": "igwn.gwalert",
                "uuid": "9d6a7919-fecb-4823-9137-7a9c44149aeb",
                "title": "S240915ac - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240915ac/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240915ac/view/"
                    },
                    "event": {
                        "far": 1.84547e-05,
                        "time": "2024-09-15T02:48:24.793Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1770.9095913955623,
                        "area_90": 5541.016645684124,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "3d19cef933521fda199c56a20d643ffa",
                        "classification": {
                            "BBH": 0.0008357614900950106,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.999164238509905
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-15T02:50:39Z",
                    "superevent_id": "S240915ac",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-15T02:50:40.328822Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-15T02:50:40.328845Z",
                "modified": "2024-09-15T02:50:40.334019Z"
            }
        },
        {
            "id": 5432,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114453,
                "topic": "igwn.gwalert",
                "uuid": "4ee970cd-7329-4d10-9b28-03073b5394a8",
                "title": "S240915ao - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240915ao/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240915ao/view/"
                    },
                    "event": {
                        "far": 1.870733930225502e-05,
                        "time": "2024-09-15T04:00:22.458Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 514.0673576918398,
                        "area_90": 2148.5917317405874,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "fcc23496c7530042e7878ba7c7ddb89b",
                        "classification": {
                            "BBH": 0.054367373444550324,
                            "BNS": 7.835009306894799e-14,
                            "NSBH": 5.4831155260950785e-12,
                            "Terrestrial": 0.9456326265498882
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-15T04:00:46Z",
                    "superevent_id": "S240915ao",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-15T04:00:47.303578Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-15T04:00:47.303599Z",
                "modified": "2024-09-15T04:00:47.311666Z"
            }
        },
        {
            "id": 5434,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114465,
                "topic": "igwn.gwalert",
                "uuid": "f6a1a68c-981b-47b2-a0db-d8e5d0fa72f1",
                "title": "S240915aw - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240915aw/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240915aw/view/"
                    },
                    "event": {
                        "far": 7.163347288713296e-07,
                        "time": "2024-09-15T04:55:10.691Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 394.5729249548999,
                        "area_90": 2360.093730333802,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04649852446404171,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "4b5f9b25b77d6d111f9975071cda1e4c",
                        "classification": {
                            "BBH": 0.6781562308678657,
                            "BNS": 1.287169430505714e-17,
                            "NSBH": 2.03698246887368e-12,
                            "Terrestrial": 0.32184376913009727
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-15T04:55:38Z",
                    "superevent_id": "S240915aw",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-15T04:55:39.654792Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-15T04:55:39.654839Z",
                "modified": "2024-09-15T04:55:39.661462Z"
            }
        },
        {
            "id": 5436,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 114682,
                "topic": "igwn.gwalert",
                "uuid": "9191bb54-99be-46e1-b790-9158759bbe01",
                "title": "S240915bd - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240915bd/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240915bd/view/"
                    },
                    "event": {
                        "far": 3.294535373302401e-14,
                        "time": "2024-09-15T10:51:51.059Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1168.5065775452472,
                        "area_90": 6904.0295255070605,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.11698060147460268,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "V1"
                        ],
                        "significant": true,
                        "skymap_hash": "c3f264da28ef6d22d1d7663cc1421e7d",
                        "classification": {
                            "BBH": 0.9995829426138032,
                            "BNS": 4.632905419024944e-41,
                            "NSBH": 0.0004169423528317405,
                            "Terrestrial": 1.150333650556945e-07
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-15T10:52:19Z",
                    "superevent_id": "S240915bd",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-15T10:52:19.909166Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-15T10:52:19.909192Z",
                "modified": "2024-09-15T10:52:19.915114Z"
            }
        },
        {
            "id": 5440,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115033,
                "topic": "igwn.gwalert",
                "uuid": "8cc4af3a-c4f8-4304-bc07-98fd1344239b",
                "title": "S240915cg - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240915cg/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240915cg/view/"
                    },
                    "event": {
                        "far": 1.752725195149973e-05,
                        "time": "2024-09-15T18:58:58.718Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 556.0320399523981,
                        "area_90": 2559.0063242488477,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.012712917913729273,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "403510cd10fd4d4470e48ece078d2402",
                        "classification": {
                            "BBH": 0.059495901189674356,
                            "BNS": 1.0064424892480122e-15,
                            "NSBH": 7.252181678857832e-14,
                            "Terrestrial": 0.9405040988102521
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-15T18:59:23Z",
                    "superevent_id": "S240915cg",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-15T18:59:23.364813Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-15T18:59:23.364832Z",
                "modified": "2024-09-15T18:59:23.370438Z"
            }
        },
        {
            "id": 5442,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115254,
                "topic": "igwn.gwalert",
                "uuid": "3e63affa-d7e9-4d57-86ee-3ef407e96dff",
                "title": "S240915da - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240915da/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240915da/view/"
                    },
                    "event": {
                        "far": 1.878354684450603e-05,
                        "time": "2024-09-15T21:52:23.883Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 403.070773112663,
                        "area_90": 1399.5221533896208,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.022579365079365078,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "74b281ff030b0373c6781d5240b7b901",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0030397605559350604,
                            "NSBH": 0.0,
                            "Terrestrial": 0.996960239444065
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-15T21:52:57Z",
                    "superevent_id": "S240915da",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-15T21:52:58.208848Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-15T21:52:58.208869Z",
                "modified": "2024-09-15T21:52:58.213894Z"
            }
        },
        {
            "id": 5444,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115411,
                "topic": "igwn.gwalert",
                "uuid": "fedf71db-6d64-4423-b20d-b1c20ab4d014",
                "title": "S240916d - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240916d/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240916d/view/"
                    },
                    "event": {
                        "far": 2.03317e-05,
                        "time": "2024-09-16T05:08:53.852Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 673.113503459356,
                        "area_90": 2344.9864447200002,
                        "duration": 0.020091,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "f63b22c5eb35347cbc00853922bcdc6b",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1148.733398
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-16T05:10:30Z",
                    "superevent_id": "S240916d",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-16T05:10:31.248475Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-16T05:10:31.248492Z",
                "modified": "2024-09-16T05:10:31.253829Z"
            }
        },
        {
            "id": 5446,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115576,
                "topic": "igwn.gwalert",
                "uuid": "5842156b-b834-4a5a-b540-fe44e8856878",
                "title": "S240916ar - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240916ar/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240916ar/view/"
                    },
                    "event": {
                        "far": 1.652974870020071e-08,
                        "time": "2024-09-16T18:43:52.313Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 188.63124676120975,
                        "area_90": 1191.3773293772513,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.03814163614163615,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": true,
                        "skymap_hash": "ef2e474630da506600c75900c8548843",
                        "classification": {
                            "BBH": 0.9863285279201603,
                            "BNS": 1.235649238707023e-19,
                            "NSBH": 0.0006873161824742357,
                            "Terrestrial": 0.012984155897365457
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-16T18:44:30Z",
                    "superevent_id": "S240916ar",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-16T18:44:32.140907Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-16T18:44:32.140926Z",
                "modified": "2024-09-16T18:44:32.146176Z"
            }
        },
        {
            "id": 5449,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115615,
                "topic": "igwn.gwalert",
                "uuid": "14ce5af0-a499-45e1-97ce-d14085de5397",
                "title": "S240916bh - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240916bh/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240916bh/view/"
                    },
                    "event": {
                        "far": 1.15781e-05,
                        "time": "2024-09-16T21:08:20.871Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1364.6914671133577,
                        "area_90": 4233.397146445126,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "90c57a4d0d259c16091501e3eff3f532",
                        "classification": {
                            "BBH": 0.00090336411679659,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9990966358832034
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-16T21:10:51Z",
                    "superevent_id": "S240916bh",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-16T21:10:52.135142Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-16T21:10:52.135160Z",
                "modified": "2024-09-16T21:10:52.140364Z"
            }
        },
        {
            "id": 5451,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115624,
                "topic": "igwn.gwalert",
                "uuid": "46c72689-3433-4cdb-8ab1-974ae5f56bda",
                "title": "S240916bt - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240916bt/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240916bt/view/"
                    },
                    "event": {
                        "far": 8.091009e-06,
                        "time": "2024-09-16T22:03:03.117Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 385.70788582735696,
                        "area_90": 1332.798308595333,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.7290080613982057,
                            "HasRemnant": 0.3176945670203104
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "d33dd34f94ab1eaa3a9c2b1017e65b03",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.001230189,
                            "NSBH": 0.000565222,
                            "Terrestrial": 0.99820459
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-16T22:03:34Z",
                    "superevent_id": "S240916bt",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-16T22:03:35.006808Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-16T22:03:35.006839Z",
                "modified": "2024-09-16T22:03:35.014929Z"
            }
        },
        {
            "id": 5453,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115635,
                "topic": "igwn.gwalert",
                "uuid": "92b0c0d2-9f3d-47a5-ba21-6b2270554819",
                "title": "S240916ch - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240916ch/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240916ch/view/"
                    },
                    "event": {
                        "far": 7.3038e-06,
                        "time": "2024-09-16T23:05:35.195Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1540.9431326077026,
                        "area_90": 5720.625485759314,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.031025641025641024,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "da219fb96f582538ea534e4c1014abe9",
                        "classification": {
                            "BBH": 0.0034097776231735155,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9965902223768265
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-16T23:07:20Z",
                    "superevent_id": "S240916ch",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-16T23:07:21.074285Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-16T23:07:21.074306Z",
                "modified": "2024-09-16T23:07:21.079373Z"
            }
        },
        {
            "id": 5455,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115639,
                "topic": "igwn.gwalert",
                "uuid": "652b35c7-560e-47f3-a15a-6cac54b5e6d0",
                "title": "S240916cl - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240916cl/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240916cl/view/"
                    },
                    "event": {
                        "far": 1.69365e-05,
                        "time": "2024-09-16T23:19:08.504Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1327.7625467240662,
                        "area_90": 4937.564514777295,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "397fcb1a7728f4830db395d08a6ae90f",
                        "classification": {
                            "BBH": 0.0015803731841170787,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9984196268158829
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-16T23:21:55Z",
                    "superevent_id": "S240916cl",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-16T23:21:55.513492Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-16T23:21:55.513510Z",
                "modified": "2024-09-16T23:21:55.520919Z"
            }
        },
        {
            "id": 5457,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115641,
                "topic": "igwn.gwalert",
                "uuid": "23953475-1a36-40d7-89fa-c42a4c81ae87",
                "title": "S240916cn - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240916cn/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240916cn/view/"
                    },
                    "event": {
                        "far": 2.6217e-06,
                        "time": "2024-09-16T23:25:55.840Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 15.107285613801,
                        "area_90": 48.67903142224767,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d46ed705e6c7842dfc5a2ee0f533d277",
                        "classification": {
                            "BBH": 0.011590708330548427,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9884092916694516
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-16T23:27:20Z",
                    "superevent_id": "S240916cn",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-16T23:27:20.493510Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-16T23:27:20.493532Z",
                "modified": "2024-09-16T23:27:20.498655Z"
            }
        },
        {
            "id": 5459,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115644,
                "topic": "igwn.gwalert",
                "uuid": "50da0d69-bc71-4530-a5f9-bf14a5fa4b72",
                "title": "S240916co - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240916co/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240916co/view/"
                    },
                    "event": {
                        "far": 8.13447e-06,
                        "time": "2024-09-16T23:31:08.965Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1195.993444425913,
                        "area_90": 3922.858497716994,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "1c54460c1521c3585e93aaa09ef5691e",
                        "classification": {
                            "BBH": 0.00202391334155938,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9979760866584406
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-16T23:32:55Z",
                    "superevent_id": "S240916co",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-16T23:32:55.800163Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-16T23:32:55.800189Z",
                "modified": "2024-09-16T23:32:55.817856Z"
            }
        },
        {
            "id": 5461,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115660,
                "topic": "igwn.gwalert",
                "uuid": "f45f8a43-06a9-4535-9506-1a77490aa5ec",
                "title": "S240917e - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240917e/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240917e/view/"
                    },
                    "event": {
                        "far": 2.82677e-06,
                        "time": "2024-09-17T00:40:25.828Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 2639.57851418912,
                        "area_90": 8227.595604005071,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "88cb65588f5ab0e9d3bb245c7c274cfb",
                        "classification": {
                            "BBH": 0.010506332417507203,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9894936675824928
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-17T00:44:21Z",
                    "superevent_id": "S240917e",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-17T00:44:22.489191Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-17T00:44:22.489230Z",
                "modified": "2024-09-17T00:44:22.494149Z"
            }
        },
        {
            "id": 5463,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115704,
                "topic": "igwn.gwalert",
                "uuid": "2e00a32c-f996-40d0-8400-c63e039104a0",
                "title": "S240917z - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240917z/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240917z/view/"
                    },
                    "event": {
                        "far": 5.395336e-06,
                        "time": "2024-09-17T04:39:43.442Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 503.6810988323516,
                        "area_90": 1778.4632342024627,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.49501420389976003,
                            "HasRemnant": 0.16435078214571802
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "d456ad5b7f05b188a3d07a59db87be36",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.001552381,
                            "NSBH": 0.001078773,
                            "Terrestrial": 0.997368846
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-17T04:40:13Z",
                    "superevent_id": "S240917z",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-17T04:40:14.447378Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-17T04:40:14.447396Z",
                "modified": "2024-09-17T04:40:14.460719Z"
            }
        },
        {
            "id": 5465,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115714,
                "topic": "igwn.gwalert",
                "uuid": "2f0a09aa-84c6-4bfd-84eb-14497b90c316",
                "title": "S240917ai - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240917ai/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240917ai/view/"
                    },
                    "event": {
                        "far": 8.243221299855398e-06,
                        "time": "2024-09-17T05:30:38.962Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 519.6801339441895,
                        "area_90": 1691.596341923107,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.8200947689973686,
                            "HasRemnant": 6.819060383293408e-06
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "b716a7c811a378bea0adeefb659cd00d",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0008341967807831024,
                            "NSBH": 0.0024088627319887907,
                            "Terrestrial": 0.9967569404872281
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-17T05:31:12Z",
                    "superevent_id": "S240917ai",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-17T05:31:12.884823Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-17T05:31:12.884838Z",
                "modified": "2024-09-17T05:31:12.889311Z"
            }
        },
        {
            "id": 5467,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115775,
                "topic": "igwn.gwalert",
                "uuid": "45775313-4015-43e2-98e6-034555e64eda",
                "title": "S240917bb - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240917bb/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240917bb/view/"
                    },
                    "event": {
                        "far": 1.402302365313129e-05,
                        "time": "2024-09-17T09:57:19.925Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 890.9102043916538,
                        "area_90": 3358.013874489879,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7e4de491b1d1749e31eb2038d09f0ff4",
                        "classification": {
                            "BBH": 0.07473601403013118,
                            "BNS": 1.1760597785210918e-15,
                            "NSBH": 7.771296864933066e-14,
                            "Terrestrial": 0.92526398596979
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-17T09:57:45Z",
                    "superevent_id": "S240917bb",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-17T09:57:46.439837Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-17T09:57:46.439855Z",
                "modified": "2024-09-17T09:57:46.444499Z"
            }
        },
        {
            "id": 5469,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115789,
                "topic": "igwn.gwalert",
                "uuid": "df502318-1f34-4e61-8eb0-0c5245090c2e",
                "title": "S240917bk - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240917bk/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240917bk/view/"
                    },
                    "event": {
                        "far": 1.684057422487366e-05,
                        "time": "2024-09-17T11:01:39.926Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 478.71211288731934,
                        "area_90": 1980.7330026983539,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.6719906306609501,
                            "HasRemnant": 0.27690810397854587
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a2d7fd78cef38fc7c43e6e0ed7f08ab4",
                        "classification": {
                            "BBH": 0.00017526508816316933,
                            "BNS": 0.0,
                            "NSBH": 0.0017289719881029562,
                            "Terrestrial": 0.9980957629237339
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-17T11:02:07Z",
                    "superevent_id": "S240917bk",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-17T11:02:09.076284Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-17T11:02:09.076306Z",
                "modified": "2024-09-17T11:02:09.085377Z"
            }
        },
        {
            "id": 5471,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115803,
                "topic": "igwn.gwalert",
                "uuid": "d391c6f3-47ca-45f8-8289-2b684a96e0fd",
                "title": "S240917bq - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240917bq/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240917bq/view/"
                    },
                    "event": {
                        "far": 8.77643223836379e-06,
                        "time": "2024-09-17T11:53:58.148Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 541.5542245725054,
                        "area_90": 1772.5881786859845,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.03702564102564102,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9e93359adf48785214d6ef3c9596d7d2",
                        "classification": {
                            "BBH": 0.12050064973747558,
                            "BNS": 8.723502081935533e-16,
                            "NSBH": 5.265248211410996e-14,
                            "Terrestrial": 0.8794993502624708
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-17T11:54:25Z",
                    "superevent_id": "S240917bq",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-17T11:54:26.627024Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-17T11:54:26.627041Z",
                "modified": "2024-09-17T11:54:26.631370Z"
            }
        },
        {
            "id": 5473,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115805,
                "topic": "igwn.gwalert",
                "uuid": "e82d4c74-72e3-41e3-b3a5-76af815726f0",
                "title": "S240917bs - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240917bs/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240917bs/view/"
                    },
                    "event": {
                        "far": 2.19330599511294e-05,
                        "time": "2024-09-17T12:02:58.924Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 814.3246592661347,
                        "area_90": 3898.518982005871,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.5968187793630059,
                            "HasMassGap": 0.4116981324786843,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "1f857e3c1e1600e45b5548c6119c811e",
                        "classification": {
                            "BBH": 0.029387741583714107,
                            "BNS": 1.8921195279360418e-16,
                            "NSBH": 0.0006203865308761712,
                            "Terrestrial": 0.9699918718854096
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-17T12:03:25Z",
                    "superevent_id": "S240917bs",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-17T12:03:26.804880Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-17T12:03:26.804898Z",
                "modified": "2024-09-17T12:03:26.811881Z"
            }
        },
        {
            "id": 5475,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115836,
                "topic": "igwn.gwalert",
                "uuid": "6c301264-5bd3-4b51-be5f-74122721c33d",
                "title": "S240917cs - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240917cs/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240917cs/view/"
                    },
                    "event": {
                        "far": 7.377214266585928e-07,
                        "time": "2024-09-17T13:52:24.496Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 567.9919743966573,
                        "area_90": 1863.861362602699,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.21783956692843134,
                            "HasMassGap": 0.12586113886113887,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "babccc87c8f56926767b562c1f66b29a",
                        "classification": {
                            "BBH": 0.26070154922733324,
                            "BNS": 0.0,
                            "NSBH": 0.20217143656882294,
                            "Terrestrial": 0.5371270142038438
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-17T13:52:56Z",
                    "superevent_id": "S240917cs",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-17T13:52:57.457984Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-17T13:52:57.458005Z",
                "modified": "2024-09-17T13:52:57.462660Z"
            }
        },
        {
            "id": 5477,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 115860,
                "topic": "igwn.gwalert",
                "uuid": "93f27342-cabc-4ef7-abbf-1ae035aff4b8",
                "title": "S240917cb - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240917cb/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240917cb/view/"
                    },
                    "event": {
                        "far": 5.401892853103553e-08,
                        "time": "2024-09-17T13:02:37.724Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 942.5267635721405,
                        "area_90": 3662.677467701532,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.059442968908486146,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "cfb5d0e515d28c29aa1639bcffc7234b",
                        "classification": {
                            "BBH": 0.9596098036386677,
                            "BNS": 1.8321167879873302e-14,
                            "NSBH": 1.312080916220877e-12,
                            "Terrestrial": 0.04039019636000196
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-17T15:10:35Z",
                    "superevent_id": "S240917cb",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-17T15:10:36.479186Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-17T15:10:36.479204Z",
                "modified": "2024-09-17T15:10:36.483847Z"
            }
        },
        {
            "id": 5480,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 116007,
                "topic": "igwn.gwalert",
                "uuid": "a88d1217-696d-4a5a-bfe5-18ee21606d52",
                "title": "S240917cx - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240917cx/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240917cx/view/"
                    },
                    "event": {
                        "far": 1.345129e-05,
                        "time": "2024-09-17T23:38:49.025Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 219.10809725294027,
                        "area_90": 989.5272077039657,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.47826520388297866,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "77540c65fa0861736eaa23046466d8f9",
                        "classification": {
                            "BBH": 0.056147732,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.943852268
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-17T23:39:20Z",
                    "superevent_id": "S240917cx",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-17T23:39:20.955935Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-17T23:39:20.955954Z",
                "modified": "2024-09-17T23:39:20.960630Z"
            }
        },
        {
            "id": 5482,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 116037,
                "topic": "igwn.gwalert",
                "uuid": "cffb761b-13dc-4e3b-a8f9-1c8b386a80a1",
                "title": "S240918t - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240918t/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240918t/view/"
                    },
                    "event": {
                        "far": 5.76684e-06,
                        "time": "2024-09-18T01:43:27.715Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 3088.6006143770946,
                        "area_90": 9420.231873850138,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "5d8df89a4c050acd6cdb177091ebf068",
                        "classification": {
                            "BBH": 0.0037000169802241523,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9962999830197758
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-18T01:47:39Z",
                    "superevent_id": "S240918t",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-18T01:47:39.903690Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-18T01:47:39.903711Z",
                "modified": "2024-09-18T01:47:39.915898Z"
            }
        },
        {
            "id": 5484,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 116073,
                "topic": "igwn.gwalert",
                "uuid": "8354a0d3-1a83-4157-b6d8-53d5711691ef",
                "title": "S240918ba - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240918ba/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240918ba/view/"
                    },
                    "event": {
                        "far": 2.0998e-05,
                        "time": "2024-09-18T05:01:55.904Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 370.1284975381247,
                        "area_90": 2296.7270601203586,
                        "duration": 0.002776,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "dc9eb85110f046bf44128cb17cb7f4d0",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 758.857361
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-18T05:03:53Z",
                    "superevent_id": "S240918ba",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-18T05:03:53.580376Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-18T05:03:53.580399Z",
                "modified": "2024-09-18T05:03:53.586294Z"
            }
        },
        {
            "id": 5486,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 116114,
                "topic": "igwn.gwalert",
                "uuid": "2ffb5946-5828-4c31-8a65-ad617f6b2f89",
                "title": "S240918cg - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240918cg/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240918cg/view/"
                    },
                    "event": {
                        "far": 1.648e-05,
                        "time": "2024-09-18T08:01:05.784Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 534.6300519995133,
                        "area_90": 2414.6478172725274,
                        "duration": 0.056938,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "be6c22939c893453119c3f9f6cdc28fc",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 96.79055
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-18T08:03:17Z",
                    "superevent_id": "S240918cg",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-18T08:03:18.464597Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-18T08:03:18.464616Z",
                "modified": "2024-09-18T08:03:18.470095Z"
            }
        },
        {
            "id": 5488,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 116252,
                "topic": "igwn.gwalert",
                "uuid": "5ca55c6d-329b-446d-b362-ffc67494f9e2",
                "title": "S240918dk - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240918dk/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240918dk/view/"
                    },
                    "event": {
                        "far": 1.613009369245836e-05,
                        "time": "2024-09-18T16:38:13.232Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 420.0140135753634,
                        "area_90": 1838.0530830124555,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.005543859649122807,
                            "HasRemnant": 0.022698719881542664
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "059a6c5e9678e37c6430f44314201922",
                        "classification": {
                            "BBH": 0.0005113699723210359,
                            "BNS": 0.0,
                            "NSBH": 0.0016728595833827241,
                            "Terrestrial": 0.9978157704442963
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-18T16:38:43Z",
                    "superevent_id": "S240918dk",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-18T16:38:44.732464Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-18T16:38:44.732483Z",
                "modified": "2024-09-18T16:38:44.737914Z"
            }
        },
        {
            "id": 5490,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 116290,
                "topic": "igwn.gwalert",
                "uuid": "ee9ff69c-ebf2-4fed-8531-c9d8f006a6d4",
                "title": "S240918eb - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240918eb/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240918eb/view/"
                    },
                    "event": {
                        "far": 2.10767e-05,
                        "time": "2024-09-18T18:17:37.846Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1477.156815571654,
                        "area_90": 6065.5751739411035,
                        "duration": 0.11666,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "4d9040d278f9f46eaea1012745f7c8f0",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 413.166901
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-18T18:19:56Z",
                    "superevent_id": "S240918eb",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-18T18:19:57.320701Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-18T18:19:57.320720Z",
                "modified": "2024-09-18T18:19:57.326482Z"
            }
        },
        {
            "id": 5492,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 116317,
                "topic": "igwn.gwalert",
                "uuid": "921a98bd-1a76-454f-929c-c1baf50cc72d",
                "title": "S240918eq - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240918eq/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240918eq/view/"
                    },
                    "event": {
                        "far": 3.53315e-06,
                        "time": "2024-09-18T19:08:28.654Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 431.3969336385398,
                        "area_90": 1683.623052293601,
                        "duration": 0.027903,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7f3cf4a5a049fa5163fbe1f6316824b9",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1045.658325
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-18T19:13:10Z",
                    "superevent_id": "S240918eq",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-18T19:13:11.014733Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-18T19:13:11.014758Z",
                "modified": "2024-09-18T19:13:11.024115Z"
            }
        },
        {
            "id": 5494,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 116335,
                "topic": "igwn.gwalert",
                "uuid": "5ef69be9-306a-468b-b543-e235ffc346da",
                "title": "S240918fb - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240918fb/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240918fb/view/"
                    },
                    "event": {
                        "far": 1.545292070659343e-05,
                        "time": "2024-09-18T19:51:33.543Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 3484.9570383280684,
                        "area_90": 14006.132351283954,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.22562879275177355,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "f1606db89960af48f02575b27bea2989",
                        "classification": {
                            "BBH": 0.10121776155407348,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.8987822384459265
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-18T19:52:01Z",
                    "superevent_id": "S240918fb",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-18T19:52:01.868586Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-18T19:52:01.868603Z",
                "modified": "2024-09-18T19:52:01.874202Z"
            }
        },
        {
            "id": 5496,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 116364,
                "topic": "igwn.gwalert",
                "uuid": "6030800b-e12d-4516-8b5f-712a6dba336c",
                "title": "S240918fq - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240918fq/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240918fq/view/"
                    },
                    "event": {
                        "far": 7.057608891103525e-06,
                        "time": "2024-09-18T21:08:27.048Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 309.9616343470491,
                        "area_90": 1137.452712672434,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "b689935ecb022e3e6d732309ba15973c",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0057254587966089595,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9942745412033911
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-18T21:09:00Z",
                    "superevent_id": "S240918fq",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-18T21:09:01.539079Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-18T21:09:01.539096Z",
                "modified": "2024-09-18T21:09:01.544421Z"
            }
        },
        {
            "id": 5498,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 116395,
                "topic": "igwn.gwalert",
                "uuid": "05fdc270-3b38-476e-9210-3ae291a0c7bb",
                "title": "S240918fw - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240918fw/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240918fw/view/"
                    },
                    "event": {
                        "far": 5.63008e-06,
                        "time": "2024-09-18T22:40:38.635Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 148.55497520237657,
                        "area_90": 1399.1025065670153,
                        "duration": 0.002566,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "0b967c2e10b840bcb345752e699663e3",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 456.939209
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-18T22:44:49Z",
                    "superevent_id": "S240918fw",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-18T22:44:50.200395Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-18T22:44:50.200419Z",
                "modified": "2024-09-18T22:44:50.208931Z"
            }
        },
        {
            "id": 5500,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 116399,
                "topic": "igwn.gwalert",
                "uuid": "b80ef20b-f470-4832-8473-6673cc2c21bc",
                "title": "S240918fy - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240918fy/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240918fy/view/"
                    },
                    "event": {
                        "far": 1.60374e-05,
                        "time": "2024-09-18T22:52:27.689Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 966.026985638053,
                        "area_90": 3231.280534062993,
                        "duration": 0.00383,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "797e127f4abf65f4205c2ddf2ddf22a1",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 91.815041
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-18T22:54:44Z",
                    "superevent_id": "S240918fy",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-18T22:54:45.697225Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-18T22:54:45.697242Z",
                "modified": "2024-09-18T22:54:45.702748Z"
            }
        },
        {
            "id": 5502,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 116460,
                "topic": "igwn.gwalert",
                "uuid": "f50dd436-0021-4f1b-907e-526bf54006c6",
                "title": "S240919t - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240919t/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240919t/view/"
                    },
                    "event": {
                        "far": 1.88078e-05,
                        "time": "2024-09-19T01:52:44.102Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1461.2102363126417,
                        "area_90": 4168.771535763866,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "618930fe9d4cdb8dd5ee9dd081a7ff18",
                        "classification": {
                            "BBH": 0.0007006303334471387,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9992993696665529
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-19T01:54:52Z",
                    "superevent_id": "S240919t",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-19T01:54:53.308806Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-19T01:54:53.308826Z",
                "modified": "2024-09-19T01:54:53.322753Z"
            }
        },
        {
            "id": 5504,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 116480,
                "topic": "igwn.gwalert",
                "uuid": "80b1e123-3437-441a-97d6-7c9864e554e0",
                "title": "S240919ao - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240919ao/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240919ao/view/"
                    },
                    "event": {
                        "far": 3.452789471387627e-06,
                        "time": "2024-09-19T03:30:00.888Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 770.4715663038512,
                        "area_90": 2775.544084713329,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04137503684055408,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "d86d8e7f05e631f5bfa0b05c2cd500b2",
                        "classification": {
                            "BBH": 0.2827821973891556,
                            "BNS": 7.685395359546549e-14,
                            "NSBH": 5.323271704849171e-12,
                            "Terrestrial": 0.7172178026054443
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-19T03:30:30Z",
                    "superevent_id": "S240919ao",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-19T03:30:31.951699Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-19T03:30:31.951726Z",
                "modified": "2024-09-19T03:30:31.957377Z"
            }
        },
        {
            "id": 5506,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 116506,
                "topic": "igwn.gwalert",
                "uuid": "51a2b9cd-a4d6-4522-a8b9-78dd3911cae6",
                "title": "S240919bi - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240919bi/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240919bi/view/"
                    },
                    "event": {
                        "far": 1.26634e-05,
                        "time": "2024-09-19T05:29:45.145Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 887.1333829882035,
                        "area_90": 2912.3489488827495,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9345f28160d1b1268b0974e3f34baf6b",
                        "classification": {
                            "BBH": 0.0008499230307172922,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9991500769692827
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-19T05:31:28Z",
                    "superevent_id": "S240919bi",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-19T05:31:29.277934Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-19T05:31:29.277952Z",
                "modified": "2024-09-19T05:31:29.287038Z"
            }
        },
        {
            "id": 5508,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 116516,
                "topic": "igwn.gwalert",
                "uuid": "88ce14ac-da6f-4865-9d10-cca4f38fe5ee",
                "title": "S240919bk - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240919bk/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240919bk/view/"
                    },
                    "event": {
                        "far": 1.02341e-05,
                        "time": "2024-09-19T06:00:05.637Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 729.3461776885041,
                        "area_90": 2050.394375250881,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "03c1b27cd684e984e5cf51c091589a15",
                        "classification": {
                            "BBH": 0.0015308767468148465,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9984691232531852
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-19T06:02:08Z",
                    "superevent_id": "S240919bk",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-19T06:02:09.005563Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-19T06:02:09.005582Z",
                "modified": "2024-09-19T06:02:09.015109Z"
            }
        },
        {
            "id": 5510,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 116518,
                "topic": "igwn.gwalert",
                "uuid": "9676f76e-08c0-4a53-9090-31189ca59cfe",
                "title": "S240919bn - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240919bn/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240919bn/view/"
                    },
                    "event": {
                        "far": 1.448204398163967e-20,
                        "time": "2024-09-19T06:15:59.192Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 10.330524515860887,
                        "area_90": 59.799672221295644,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": true,
                        "skymap_hash": "09b1c34680c1f50bfba63d2b251716fd",
                        "classification": {
                            "BBH": 0.9999999999999256,
                            "BNS": 5.66120825194247e-51,
                            "NSBH": 4.840659717043176e-49,
                            "Terrestrial": 7.438494264988549e-14
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-19T06:16:25Z",
                    "superevent_id": "S240919bn",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-19T06:16:26.233892Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-19T06:16:26.233918Z",
                "modified": "2024-09-19T06:16:26.245138Z"
            }
        },
        {
            "id": 5515,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 116766,
                "topic": "igwn.gwalert",
                "uuid": "7f505173-c3be-46fc-95a2-8624093a1a46",
                "title": "S240919dj - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240919dj/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240919dj/view/"
                    },
                    "event": {
                        "far": 1.92124e-05,
                        "time": "2024-09-19T13:54:40.687Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1480.5139901524988,
                        "area_90": 5530.9451219415905,
                        "duration": 0.014363,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "141129ae51991d6a9365a263024bd8a2",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1101.941895
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-19T13:57:53Z",
                    "superevent_id": "S240919dj",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-19T13:57:54.085708Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-19T13:57:54.085731Z",
                "modified": "2024-09-19T13:57:54.091869Z"
            }
        },
        {
            "id": 5518,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117006,
                "topic": "igwn.gwalert",
                "uuid": "782030c1-479c-4ca2-9dcc-11e4244042f1",
                "title": "S240919dy - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240919dy/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240919dy/view/"
                    },
                    "event": {
                        "far": 1.390998113492969e-05,
                        "time": "2024-09-19T19:26:44.076Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1522.478672413057,
                        "area_90": 7212.88958694477,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.004289733692817994,
                            "HasMassGap": 0.40154203139846006,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "fde8f1ad5981d7d97cf8f9b58e109756",
                        "classification": {
                            "BBH": 0.20744784955602302,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.792552150443977
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-19T19:27:12Z",
                    "superevent_id": "S240919dy",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-19T19:27:13.186754Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-19T19:27:13.186778Z",
                "modified": "2024-09-19T19:27:13.193338Z"
            }
        },
        {
            "id": 5520,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117079,
                "topic": "igwn.gwalert",
                "uuid": "be204f46-2b32-497c-8646-9feb880cecf5",
                "title": "S240920d - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920d/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920d/view/"
                    },
                    "event": {
                        "far": 8.825458e-06,
                        "time": "2024-09-20T00:42:23.023Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 103.18066250814785,
                        "area_90": 1262.297642397595,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0742969696969697,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "c7fc34a952143941597e151efcb7b5e4",
                        "classification": {
                            "BBH": 0.000356892,
                            "BNS": 0.0,
                            "NSBH": 0.000994199,
                            "Terrestrial": 0.998648909
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T00:42:55Z",
                    "superevent_id": "S240920d",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T00:42:55.696710Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T00:42:55.696726Z",
                "modified": "2024-09-20T00:42:55.702971Z"
            }
        },
        {
            "id": 5522,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117133,
                "topic": "igwn.gwalert",
                "uuid": "fe7413c9-13dd-4c1f-bd14-214563ea1c01",
                "title": "S240920v - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920v/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920v/view/"
                    },
                    "event": {
                        "far": 1.11818e-05,
                        "time": "2024-09-20T01:47:48.336Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1070.938691289449,
                        "area_90": 3307.656255777209,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 6.481245495908716e-05,
                            "HasMassGap": 0.22570423421621646,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "dfda1e87987077eef5ee26e061a8935a",
                        "classification": {
                            "BBH": 0.0017325249223354433,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9982674750776646
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T01:49:44Z",
                    "superevent_id": "S240920v",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T01:49:45.967662Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T01:49:45.967691Z",
                "modified": "2024-09-20T01:49:45.974900Z"
            }
        },
        {
            "id": 5523,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117137,
                "topic": "igwn.gwalert",
                "uuid": "33b35975-eabf-4dc3-b33c-7c367b3c4a0a",
                "title": "S240920x - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920x/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920x/view/"
                    },
                    "event": {
                        "far": 1.45137e-06,
                        "time": "2024-09-20T01:47:48.324Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 679.8278526210453,
                        "area_90": 2958.5100993693636,
                        "duration": 0.003223,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "f37502c1d3a88d01bbbc299d5b3bc8eb",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 237.589813
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T01:50:38Z",
                    "superevent_id": "S240920x",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T01:50:39.326320Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T01:50:39.326350Z",
                "modified": "2024-09-20T01:50:39.331938Z"
            }
        },
        {
            "id": 5526,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117147,
                "topic": "igwn.gwalert",
                "uuid": "1f66874e-e12f-48e2-8f2a-2cdff2f4be89",
                "title": "S240920ae - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920ae/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920ae/view/"
                    },
                    "event": {
                        "far": 3.71563e-06,
                        "time": "2024-09-20T02:02:02.459Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 323.1280534062993,
                        "area_90": 1240.4760076221046,
                        "duration": 0.011722,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "510034f8b0d901c3ba44a38ed843f15b",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 115.191452
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T02:04:06Z",
                    "superevent_id": "S240920ae",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T02:04:07.765911Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T02:04:07.765938Z",
                "modified": "2024-09-20T02:04:07.779612Z"
            }
        },
        {
            "id": 5528,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117264,
                "topic": "igwn.gwalert",
                "uuid": "70ea344b-d22e-4ce1-b01a-b2b9cda61bcc",
                "title": "S240920bi - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920bi/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920bi/view/"
                    },
                    "event": {
                        "far": 2.149898268949153e-05,
                        "time": "2024-09-20T05:58:22.999Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 458.6739771079027,
                        "area_90": 3103.7078999908954,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.03369230769230769,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "165f0be8a18cfffe1c3b273cb0082f34",
                        "classification": {
                            "BBH": 0.04201136165800178,
                            "BNS": 3.3153300119180578e-18,
                            "NSBH": 2.1781911635838835e-16,
                            "Terrestrial": 0.957988638341998
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T05:58:49Z",
                    "superevent_id": "S240920bi",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T05:58:50.000979Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T05:58:50.000999Z",
                "modified": "2024-09-20T05:58:50.030020Z"
            }
        },
        {
            "id": 5530,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117295,
                "topic": "igwn.gwalert",
                "uuid": "e549c80f-55d0-4fd9-a242-0ec4dc2d6474",
                "title": "S240920bn - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920bn/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920bn/view/"
                    },
                    "event": {
                        "far": 2.623361466546357e-06,
                        "time": "2024-09-20T06:28:24.864Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 295.85100993693635,
                        "area_90": 1378.329988848039,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.4243996606509336,
                            "HasRemnant": 0.9911990219313521
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "9b3ca4f996543ce1fe0e61a896a3704e",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0015461432069361434,
                            "NSBH": 0.006631943887510729,
                            "Terrestrial": 0.9918219129055531
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T06:28:54Z",
                    "superevent_id": "S240920bn",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T06:28:55.894268Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T06:28:55.894292Z",
                "modified": "2024-09-20T06:28:55.900514Z"
            }
        },
        {
            "id": 5532,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117311,
                "topic": "igwn.gwalert",
                "uuid": "e8b09b78-016b-40a1-99bf-220c5bee0315",
                "title": "S240920bz - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920bz/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920bz/view/"
                    },
                    "event": {
                        "far": 3.034759934698225e-11,
                        "time": "2024-09-20T07:34:24.471Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 206.09904575216723,
                        "area_90": 780.962736868991,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": true,
                        "skymap_hash": "69322060fda86d1b25c5ca6ef81083b4",
                        "classification": {
                            "BBH": 0.9999574512318496,
                            "BNS": 2.4465449549054399e-32,
                            "NSBH": 1.728687894009714e-30,
                            "Terrestrial": 4.2548768150352245e-05
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T07:34:55Z",
                    "superevent_id": "S240920bz",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T07:34:56.140946Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T07:34:56.140980Z",
                "modified": "2024-09-20T07:34:56.147166Z"
            }
        },
        {
            "id": 5535,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117349,
                "topic": "igwn.gwalert",
                "uuid": "a7863eb2-a3aa-4f91-b512-6230e176210f",
                "title": "S240920ce - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920ce/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920ce/view/"
                    },
                    "event": {
                        "far": 2.066391276349197e-05,
                        "time": "2024-09-20T08:02:33.265Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 712.5603047842807,
                        "area_90": 4945.118157584196,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.00011976047904191618,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "ce28d8bd90abf4be5dd4c73ea5fea81f",
                        "classification": {
                            "BBH": 0.0492610841027931,
                            "BNS": 4.430892231045116e-22,
                            "NSBH": 3.0552101664144883e-20,
                            "Terrestrial": 0.9507389158972069
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T08:03:01Z",
                    "superevent_id": "S240920ce",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T08:03:02.383514Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T08:03:02.383531Z",
                "modified": "2024-09-20T08:03:02.389566Z"
            }
        },
        {
            "id": 5537,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117360,
                "topic": "igwn.gwalert",
                "uuid": "5030b64e-97e8-432c-8cbe-2f4a8288b1fc",
                "title": "S240920ck - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920ck/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920ck/view/"
                    },
                    "event": {
                        "far": 1.74939e-05,
                        "time": "2024-09-20T08:50:21.400Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 567.3625041627489,
                        "area_90": 3704.6421499620906,
                        "duration": 0.060206,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "fb8b2e2b3f89caa586fa01ffc2a4f16b",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 519.346436
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T08:54:38Z",
                    "superevent_id": "S240920ck",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T08:54:39.740642Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T08:54:39.740674Z",
                "modified": "2024-09-20T08:54:39.757300Z"
            }
        },
        {
            "id": 5539,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117366,
                "topic": "igwn.gwalert",
                "uuid": "2dcc1fd0-1a16-42e0-bed2-90aba19815a7",
                "title": "S240920cq - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920cq/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920cq/view/"
                    },
                    "event": {
                        "far": 3.587546851264686e-06,
                        "time": "2024-09-20T09:15:49.723Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1134.305361502892,
                        "area_90": 4051.270425434303,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.059442968908486146,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d1666d2d114a539d723208f2b8e42fe5",
                        "classification": {
                            "BBH": 0.310268886851069,
                            "BNS": 6.261210760361585e-13,
                            "NSBH": 4.2559905964041564e-11,
                            "Terrestrial": 0.689731113105745
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T09:16:16Z",
                    "superevent_id": "S240920cq",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T09:16:17.400010Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T09:16:17.400027Z",
                "modified": "2024-09-20T09:16:17.411125Z"
            }
        },
        {
            "id": 5541,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117369,
                "topic": "igwn.gwalert",
                "uuid": "9945182a-65ec-418d-acc8-877f3989af54",
                "title": "S240920cr - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920cr/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920cr/view/"
                    },
                    "event": {
                        "far": 2.827034664202637e-06,
                        "time": "2024-09-20T09:27:32.661Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 739.2078780197354,
                        "area_90": 3045.796638471325,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.7532849252921361,
                            "HasMassGap": 0.012679089026915115,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "bb5a83ee74fd67e6912c9a2b696dd1f8",
                        "classification": {
                            "BBH": 0.004630380337595492,
                            "BNS": 0.0,
                            "NSBH": 0.014733655658039378,
                            "Terrestrial": 0.9806359640043651
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T09:27:58Z",
                    "superevent_id": "S240920cr",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T09:28:00.147514Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T09:28:00.147546Z",
                "modified": "2024-09-20T09:28:00.189140Z"
            }
        },
        {
            "id": 5543,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117388,
                "topic": "igwn.gwalert",
                "uuid": "b311b00e-7921-4d31-b79a-a2dab3902f1d",
                "title": "S240920db - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920db/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920db/view/"
                    },
                    "event": {
                        "far": 1.37372783998831e-05,
                        "time": "2024-09-20T10:46:12.367Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 528.1255262491268,
                        "area_90": 1805.3206308492204,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "aa024080dc0e9ee4c3cb89a88c9091d5",
                        "classification": {
                            "BBH": 0.08074311597093062,
                            "BNS": 9.667924942524394e-15,
                            "NSBH": 6.307103641607753e-13,
                            "Terrestrial": 0.919256884028429
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T10:46:35Z",
                    "superevent_id": "S240920db",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T10:46:36.817367Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T10:46:36.817390Z",
                "modified": "2024-09-20T10:46:36.823491Z"
            }
        },
        {
            "id": 5545,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117399,
                "topic": "igwn.gwalert",
                "uuid": "121a61fa-2a33-4db0-b72e-4e7d70c3220c",
                "title": "S240920dl - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920dl/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920dl/view/"
                    },
                    "event": {
                        "far": 2.03097e-05,
                        "time": "2024-09-20T11:46:45.705Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1044.9205882879028,
                        "area_90": 3293.3882638086197,
                        "duration": 0.005645,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7133ff4c850cb6fb9f9b06aa1c409811",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 89.444565
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T11:50:48Z",
                    "superevent_id": "S240920dl",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T11:50:49.257984Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T11:50:49.258001Z",
                "modified": "2024-09-20T11:50:49.264117Z"
            }
        },
        {
            "id": 5547,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117408,
                "topic": "igwn.gwalert",
                "uuid": "7883827a-891d-4d6d-a046-e9f26e38697d",
                "title": "S240920dw - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920dw/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920dw/view/"
                    },
                    "event": {
                        "far": 3.722447696138099e-08,
                        "time": "2024-09-20T12:40:24.872Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 83.37857806644688,
                        "area_90": 259.2892805174249,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "6f05c84c68d8864256cdd3056fc9c13f",
                        "classification": {
                            "BBH": 0.9718980340944308,
                            "BNS": 4.1262974754649265e-234,
                            "NSBH": 4.211943616998819e-232,
                            "Terrestrial": 0.028101965905569237
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T12:40:54Z",
                    "superevent_id": "S240920dw",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T12:40:55.880256Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T12:40:55.880278Z",
                "modified": "2024-09-20T12:40:55.886527Z"
            }
        },
        {
            "id": 5550,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117422,
                "topic": "igwn.gwalert",
                "uuid": "23f4ed59-5881-4c88-a267-589a139631d3",
                "title": "S240920eg - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920eg/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920eg/view/"
                    },
                    "event": {
                        "far": 4.081251539922066e-06,
                        "time": "2024-09-20T13:05:35.120Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 805.0924291688119,
                        "area_90": 2859.473449234446,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "5fda0a035c0d4beaadbc89f6feb22daf",
                        "classification": {
                            "BBH": 0.2426742252506345,
                            "BNS": 3.201543186005753e-14,
                            "NSBH": 2.05109889154557e-12,
                            "Terrestrial": 0.7573257747472824
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T13:05:59Z",
                    "superevent_id": "S240920eg",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T13:06:00.378573Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T13:06:00.378599Z",
                "modified": "2024-09-20T13:06:00.386186Z"
            }
        },
        {
            "id": 5552,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117425,
                "topic": "igwn.gwalert",
                "uuid": "c31b14ab-0407-4dea-bf10-ab2fe27c0183",
                "title": "S240920eh - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920eh/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920eh/view/"
                    },
                    "event": {
                        "far": 1.700297838142607e-05,
                        "time": "2024-09-20T13:12:08.859Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 829.6417682912386,
                        "area_90": 3922.8584977169953,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.026260429225946468,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "52b3cbc3ed76db209b1962487ce11f20",
                        "classification": {
                            "BBH": 0.06351212157972434,
                            "BNS": 4.105786424460814e-13,
                            "NSBH": 2.8583545889364126e-11,
                            "Terrestrial": 0.9364878783912816
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T13:12:41Z",
                    "superevent_id": "S240920eh",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T13:12:41.922004Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T13:12:41.922027Z",
                "modified": "2024-09-20T13:12:41.928073Z"
            }
        },
        {
            "id": 5554,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117456,
                "topic": "igwn.gwalert",
                "uuid": "6abaca07-1165-41a0-b3f6-ac4a884e5edb",
                "title": "S240920fg - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920fg/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920fg/view/"
                    },
                    "event": {
                        "far": 4.497183e-06,
                        "time": "2024-09-20T15:31:51.715Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 755.7839275126559,
                        "area_90": 2633.703458672642,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.358631583926455,
                            "HasRemnant": 0.02581055541126365
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "4d64dd44e1f14caf6f110c7602e1c740",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.001707668,
                            "NSBH": 0.000822211,
                            "Terrestrial": 0.997470121
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T15:32:19Z",
                    "superevent_id": "S240920fg",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T15:32:20.178614Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T15:32:20.178645Z",
                "modified": "2024-09-20T15:32:20.186967Z"
            }
        },
        {
            "id": 5556,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117467,
                "topic": "igwn.gwalert",
                "uuid": "3db92d17-1267-4c48-ac08-f745463b07eb",
                "title": "S240920fm - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920fm/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920fm/view/"
                    },
                    "event": {
                        "far": 7.809421467325525e-06,
                        "time": "2024-09-20T16:12:55.847Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 807.4004866931426,
                        "area_90": 2684.900371030523,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "19b75ca73ee6955ed2890e163d3ea648",
                        "classification": {
                            "BBH": 0.13505614188087708,
                            "BNS": 1.2020589615511587e-14,
                            "NSBH": 7.818565278140471e-13,
                            "Terrestrial": 0.8649438581183291
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T16:13:22Z",
                    "superevent_id": "S240920fm",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T16:13:23.491230Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T16:13:23.491256Z",
                "modified": "2024-09-20T16:13:23.497662Z"
            }
        },
        {
            "id": 5558,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117514,
                "topic": "igwn.gwalert",
                "uuid": "d4156517-e7f2-4a60-b521-6ccceacc255a",
                "title": "S240920gl - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920gl/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920gl/view/"
                    },
                    "event": {
                        "far": 1.358652e-05,
                        "time": "2024-09-20T19:36:17.082Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 617.0906526415106,
                        "area_90": 2318.129048073243,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.00013830309491148735,
                            "HasMassGap": 0.2704536201224181,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "44eb800de9c3a87ae086c346ae28787d",
                        "classification": {
                            "BBH": 0.05540938,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.94459062
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T19:36:49Z",
                    "superevent_id": "S240920gl",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T19:36:50.756635Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T19:36:50.756650Z",
                "modified": "2024-09-20T19:36:50.762489Z"
            }
        },
        {
            "id": 5560,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117522,
                "topic": "igwn.gwalert",
                "uuid": "faa561c9-f8b9-4788-87e7-25d74bb7a699",
                "title": "S240920gt - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920gt/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920gt/view/"
                    },
                    "event": {
                        "far": 1.248130113548573e-05,
                        "time": "2024-09-20T20:19:41.918Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1132.8365976237726,
                        "area_90": 4113.378155179929,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "d7097cd109af30b58e785307292e5224",
                        "classification": {
                            "BBH": 0.0831377459667714,
                            "BNS": 1.888048965653927e-15,
                            "NSBH": 9.902269048889737e-10,
                            "Terrestrial": 0.9168622530429998
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T20:20:09Z",
                    "superevent_id": "S240920gt",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T20:20:10.227283Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T20:20:10.227311Z",
                "modified": "2024-09-20T20:20:10.236058Z"
            }
        },
        {
            "id": 5562,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117531,
                "topic": "igwn.gwalert",
                "uuid": "839a38d8-1aa5-4df4-8b8c-d92fb5c7a166",
                "title": "S240920he - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920he/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920he/view/"
                    },
                    "event": {
                        "far": 2.163106e-05,
                        "time": "2024-09-20T21:13:30.773Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1394.9060383409594,
                        "area_90": 4935.885927486873,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.026055555555555557,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "f650aa50396c59413ba3a38b93d02c61",
                        "classification": {
                            "BBH": 0.029938568,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.970061432
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T21:14:01Z",
                    "superevent_id": "S240920he",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T21:14:02.013263Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T21:14:02.013283Z",
                "modified": "2024-09-20T21:14:02.019790Z"
            }
        },
        {
            "id": 5564,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117555,
                "topic": "igwn.gwalert",
                "uuid": "4f256e31-c1cd-47fe-b950-5121d0ba482b",
                "title": "S240920hr - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920hr/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920hr/view/"
                    },
                    "event": {
                        "far": 1.09063e-05,
                        "time": "2024-09-20T22:35:19.046Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 125.89404678167506,
                        "area_90": 447.34351289755205,
                        "duration": 0.028513,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "90ea9d4f1c3ae0c4896dca5c66924d2f",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 900.267151
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T22:38:52Z",
                    "superevent_id": "S240920hr",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T22:38:52.857346Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T22:38:52.857371Z",
                "modified": "2024-09-20T22:38:52.867578Z"
            }
        },
        {
            "id": 5566,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117568,
                "topic": "igwn.gwalert",
                "uuid": "7b3d116d-e83c-4c89-a793-c76db56dcb2a",
                "title": "S240920ic - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240920ic/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240920ic/view/"
                    },
                    "event": {
                        "far": 4.162788745876869e-06,
                        "time": "2024-09-20T23:20:19.006Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 249.32266848054226,
                        "area_90": 1193.895210312885,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.19082357408673198,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "74d4d558396756a871844c66317c8669",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.007983403950201471,
                            "NSBH": 0.0018448972541309715,
                            "Terrestrial": 0.9901716987956676
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-20T23:20:48Z",
                    "superevent_id": "S240920ic",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-20T23:20:49.825925Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-20T23:20:49.825945Z",
                "modified": "2024-09-20T23:20:49.836265Z"
            }
        },
        {
            "id": 5568,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117581,
                "topic": "igwn.gwalert",
                "uuid": "f1e15630-e1e1-4c90-add9-5f0d805c01bb",
                "title": "S240921b - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240921b/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240921b/view/"
                    },
                    "event": {
                        "far": 1.775567821869791e-05,
                        "time": "2024-09-21T00:09:57.352Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 411.3063420062975,
                        "area_90": 1689.498107810079,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.5146691127426221,
                            "HasRemnant": 0.29674008815434716
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "3e45a39430c4f79940969ff66d5df5fa",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0026309099355214874,
                            "NSBH": 0.0007216675847780172,
                            "Terrestrial": 0.9966474224797005
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-21T00:10:22Z",
                    "superevent_id": "S240921b",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-21T00:10:23.595766Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-21T00:10:23.595781Z",
                "modified": "2024-09-21T00:10:23.602037Z"
            }
        },
        {
            "id": 5570,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117599,
                "topic": "igwn.gwalert",
                "uuid": "bb95b719-5cba-40a4-80b7-0964a05d4e66",
                "title": "S240921l - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240921l/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240921l/view/"
                    },
                    "event": {
                        "far": 9.115880179393578e-06,
                        "time": "2024-09-21T01:11:47.098Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 399.97587779594676,
                        "area_90": 1411.4820878338799,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.022579365079365078,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "95032faf09b530d2c1aec673371ac102",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.005266509312987906,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9947334906870121
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-21T01:12:15Z",
                    "superevent_id": "S240921l",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-21T01:12:16.577492Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-21T01:12:16.577509Z",
                "modified": "2024-09-21T01:12:16.588456Z"
            }
        },
        {
            "id": 5572,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117604,
                "topic": "igwn.gwalert",
                "uuid": "cc1da262-1377-4bd2-9e9a-5d159dc5ec10",
                "title": "S240921o - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240921o/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240921o/view/"
                    },
                    "event": {
                        "far": 2.389536614428179e-06,
                        "time": "2024-09-21T01:26:59.925Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 791.0342606115249,
                        "area_90": 10078.238091695694,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "7d0147390e6750c73a580a088ace5cd2",
                        "classification": {
                            "BBH": 0.3798402154089652,
                            "BNS": 5.899980206397598e-16,
                            "NSBH": 4.5626720164685166e-14,
                            "Terrestrial": 0.6201597845909885
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-21T01:27:25Z",
                    "superevent_id": "S240921o",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-21T01:27:26.494764Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-21T01:27:26.494780Z",
                "modified": "2024-09-21T01:27:26.500953Z"
            }
        },
        {
            "id": 5574,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117617,
                "topic": "igwn.gwalert",
                "uuid": "25992962-2f06-4d48-9d03-e4272593e0b1",
                "title": "S240921s - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240921s/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240921s/view/"
                    },
                    "event": {
                        "far": 5.833444118479295e-07,
                        "time": "2024-09-21T02:15:28.831Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1688.8686375761706,
                        "area_90": 6043.753539165614,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "89dec4c8cd8f7631b7366267e4ef37b9",
                        "classification": {
                            "BBH": 0.7358146076797771,
                            "BNS": 4.549675749989159e-13,
                            "NSBH": 3.426949279597363e-11,
                            "Terrestrial": 0.2641853922854984
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-21T02:15:56Z",
                    "superevent_id": "S240921s",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-21T02:15:58.018505Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-21T02:15:58.018524Z",
                "modified": "2024-09-21T02:15:58.027951Z"
            }
        },
        {
            "id": 5576,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117637,
                "topic": "igwn.gwalert",
                "uuid": "63734b54-8624-48e0-8b5a-97ef3a06a1c8",
                "title": "S240921ae - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240921ae/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240921ae/view/"
                    },
                    "event": {
                        "far": 1.670079379910309e-05,
                        "time": "2024-09-21T03:42:27.740Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 572.8179128566214,
                        "area_90": 2068.858835445526,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "40d87caa02d9506ff81284afe026571d",
                        "classification": {
                            "BBH": 0.06442110987079148,
                            "BNS": 4.133789524182282e-15,
                            "NSBH": 2.969700442268989e-13,
                            "Terrestrial": 0.9355788901289074
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-21T03:42:51Z",
                    "superevent_id": "S240921ae",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-21T03:42:52.414174Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-21T03:42:52.414189Z",
                "modified": "2024-09-21T03:42:52.425819Z"
            }
        },
        {
            "id": 5578,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117748,
                "topic": "igwn.gwalert",
                "uuid": "80004ce7-b737-4ce1-a829-c4b66c8afc89",
                "title": "S240921cs - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240921cs/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240921cs/view/"
                    },
                    "event": {
                        "far": 9.092821048325653e-07,
                        "time": "2024-09-21T12:17:06.032Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 683.18502720189,
                        "area_90": 2592.5780700572946,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.027430592396109635,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "9ad9fbe8e7cc0009a00ddfdbc76a4faa",
                        "classification": {
                            "BBH": 0.6480020521104012,
                            "BNS": 1.5019697332808668e-14,
                            "NSBH": 1.0861129538966701e-12,
                            "Terrestrial": 0.3519979478884977
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-21T12:17:30Z",
                    "superevent_id": "S240921cs",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-21T12:17:30.896846Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-21T12:17:30.896877Z",
                "modified": "2024-09-21T12:17:30.904556Z"
            }
        },
        {
            "id": 5580,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117866,
                "topic": "igwn.gwalert",
                "uuid": "ad57e02b-356a-4d8a-aaa8-7bb6280bb7eb",
                "title": "S240921cw - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240921cw/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240921cw/view/"
                    },
                    "event": {
                        "far": 8.018781676923943e-10,
                        "time": "2024-09-21T20:18:35.794Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 452.7989215914245,
                        "area_90": 6026.128372616179,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.008663076555603675,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "L1",
                            "V1"
                        ],
                        "significant": true,
                        "skymap_hash": "80e39daea4e1eadaf72484ccfb8e3076",
                        "classification": {
                            "BBH": 0.9992223704070052,
                            "BNS": 1.5342092813664302e-26,
                            "NSBH": 1.0761733471356471e-24,
                            "Terrestrial": 0.0007776295929947663
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-21T20:19:02Z",
                    "superevent_id": "S240921cw",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-21T20:19:03.803356Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-21T20:19:03.803380Z",
                "modified": "2024-09-21T20:19:03.808970Z"
            }
        },
        {
            "id": 5583,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117903,
                "topic": "igwn.gwalert",
                "uuid": "80dc0926-3787-451d-b430-4111562f7493",
                "title": "S240921dr - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240921dr/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240921dr/view/"
                    },
                    "event": {
                        "far": 1.16445e-05,
                        "time": "2024-09-21T22:57:47.109Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 83.92936452111671,
                        "area_90": 317.2529978898211,
                        "duration": 0.038879,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "3e0f534f0a73775c66a7d6d1312985b6",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1485.106201
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-21T23:00:07Z",
                    "superevent_id": "S240921dr",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-21T23:00:08.496737Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-21T23:00:08.496776Z",
                "modified": "2024-09-21T23:00:08.508555Z"
            }
        },
        {
            "id": 5584,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117904,
                "topic": "igwn.gwalert",
                "uuid": "1ae12d15-ddcb-41d0-8fe7-fbc338cbd61a",
                "title": "S240921ds - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240921ds/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240921ds/view/"
                    },
                    "event": {
                        "far": 8.89102e-06,
                        "time": "2024-09-21T22:57:19.592Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 278.6454902101074,
                        "area_90": 960.1519301215749,
                        "duration": 0.121506,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "55788ec1bdcaac3f6fb8dbea82290d6e",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 143.04274
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-21T23:00:12Z",
                    "superevent_id": "S240921ds",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-21T23:00:13.608221Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-21T23:00:13.608243Z",
                "modified": "2024-09-21T23:00:13.613682Z"
            }
        },
        {
            "id": 5587,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 117956,
                "topic": "igwn.gwalert",
                "uuid": "d0576569-1dd8-4a92-851d-ed9abfde0e27",
                "title": "S240922aj - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240922aj/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240922aj/view/"
                    },
                    "event": {
                        "far": 1.88532328530354e-05,
                        "time": "2024-09-22T02:55:09.163Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 339.3893677822657,
                        "area_90": 1293.7711540930138,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.7656798984638394,
                            "HasMassGap": 0.22946034191385428,
                            "HasRemnant": 0.06904485267214551
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "f2e2033a3660e5e72e9dc3ac4be62daf",
                        "classification": {
                            "BBH": 0.0005273176510375079,
                            "BNS": 0.0,
                            "NSBH": 0.001944065378172406,
                            "Terrestrial": 0.9975286169707901
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-22T02:55:34Z",
                    "superevent_id": "S240922aj",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-22T02:55:36.077511Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-22T02:55:36.077530Z",
                "modified": "2024-09-22T02:55:36.083645Z"
            }
        },
        {
            "id": 5589,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 118051,
                "topic": "igwn.gwalert",
                "uuid": "9eeab012-f5a0-44d9-afb1-80c0cf5ac326",
                "title": "S240922ca - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240922ca/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240922ca/view/"
                    },
                    "event": {
                        "far": 2.089841135261982e-05,
                        "time": "2024-09-22T10:16:00.151Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 156.05616215645136,
                        "area_90": 4240.111495606816,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "18fb5a920170bea302d9375503315c4b",
                        "classification": {
                            "BBH": 0.043954953725400765,
                            "BNS": 2.5800926170939946e-15,
                            "NSBH": 1.6864692470219712e-13,
                            "Terrestrial": 0.956045046274428
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-22T10:16:24Z",
                    "superevent_id": "S240922ca",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-22T10:16:25.292364Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-22T10:16:25.292383Z",
                "modified": "2024-09-22T10:16:25.298415Z"
            }
        },
        {
            "id": 5591,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 118106,
                "topic": "igwn.gwalert",
                "uuid": "b2283e27-a4a4-4f66-afbe-a8fee950e49b",
                "title": "S240922dc - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240922dc/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240922dc/view/"
                    },
                    "event": {
                        "far": 9.87419e-06,
                        "time": "2024-09-22T14:14:21.839Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 877.9011528908807,
                        "area_90": 3314.3706049388984,
                        "duration": 0.011963,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "96ae4315a91d65895ac1f3de6af49cfb",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 113.654686
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-22T14:18:17Z",
                    "superevent_id": "S240922dc",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-22T14:18:18.214649Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-22T14:18:18.214665Z",
                "modified": "2024-09-22T14:18:18.222855Z"
            }
        },
        {
            "id": 5592,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 118108,
                "topic": "igwn.gwalert",
                "uuid": "c9f08c8f-7c07-4263-9d49-334f1d4e1e1a",
                "title": "S240922df - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240922df/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240922df/view/"
                    },
                    "event": {
                        "far": 1.518820911419409e-22,
                        "time": "2024-09-22T14:21:06.393Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 96.6236809049356,
                        "area_90": 547.6391035002864,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.06634258519055733,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": true,
                        "skymap_hash": "fc59fd54687f46927c7ab69ff1066ec9",
                        "classification": {
                            "BBH": 0.9999999999999997,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 3.3306690738754696e-16
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-22T14:21:38Z",
                    "superevent_id": "S240922df",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-22T14:21:39.573872Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-22T14:21:39.573890Z",
                "modified": "2024-09-22T14:21:39.579194Z"
            }
        },
        {
            "id": 5596,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 118149,
                "topic": "igwn.gwalert",
                "uuid": "79969824-d469-4a34-bc46-4dda2c153b21",
                "title": "S240922du - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240922du/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240922du/view/"
                    },
                    "event": {
                        "far": 6.67525e-06,
                        "time": "2024-09-22T17:31:11.418Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1561.925473737982,
                        "area_90": 6485.221996546688,
                        "duration": 0.042842,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "6fcdd282724b55ec851ab43f193e1009",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1394.867188
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-22T17:33:20Z",
                    "superevent_id": "S240922du",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-22T17:33:21.398157Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-22T17:33:21.398171Z",
                "modified": "2024-09-22T17:33:21.404835Z"
            }
        },
        {
            "id": 5598,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 118162,
                "topic": "igwn.gwalert",
                "uuid": "7d2c9caf-8b7e-4323-bbf6-f14b64748b2b",
                "title": "S240922ea - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240922ea/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240922ea/view/"
                    },
                    "event": {
                        "far": 5.14417e-06,
                        "time": "2024-09-22T18:42:11.621Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1081.849508677194,
                        "area_90": 4142.75343276232,
                        "duration": 0.026257,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "558ffb0f44c4673adb684c9466ad9095",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 947.53009
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-22T18:44:16Z",
                    "superevent_id": "S240922ea",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-22T18:44:16.535934Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-22T18:44:16.535950Z",
                "modified": "2024-09-22T18:44:16.542301Z"
            }
        },
        {
            "id": 5600,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 118165,
                "topic": "igwn.gwalert",
                "uuid": "c9f2a556-33de-41f2-9635-3895d1660e97",
                "title": "S240922ed - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240922ed/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240922ed/view/"
                    },
                    "event": {
                        "far": 7.58577e-06,
                        "time": "2024-09-22T18:49:49.043Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1508.2106804444672,
                        "area_90": 5664.392811530166,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c1c720001d911f03b4e7363aa4e32bcd",
                        "classification": {
                            "BBH": 0.0013173698110600096,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.99868263018894
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-09-22T18:51:54Z",
                    "superevent_id": "S240922ed",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-09-22T18:51:55.475787Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-09-22T18:51:55.475804Z",
                "modified": "2024-09-22T18:51:55.481520Z"
            }
        }
    ]
}