GET /api/v0/nonlocalizedeventsequence/?format=api&offset=1100&ordering=sequence_number
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 11122,
    "next": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=1200&ordering=sequence_number",
    "previous": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=1000&ordering=sequence_number",
    "results": [
        {
            "id": 551,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1055,
                "topic": "igwn.gwalert",
                "uuid": "854a3f1b-15be-49b0-a497-5e824fe1bc6c",
                "title": "S230709bi - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230709bi/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230709bi/view/"
                    },
                    "event": {
                        "far": 3.060764756445618e-09,
                        "time": "2023-07-09T12:27:27.202Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 834.6775301625056,
                        "area_90": 2936.688464593873,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "7f2f23681af86a1f3f1b0215b7d72bd0",
                        "classification": {
                            "BBH": 0.9971993157118272,
                            "BNS": 2.979350189449235e-23,
                            "NSBH": 2.215103485973378e-21,
                            "Terrestrial": 0.0028006842881728167
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-09T12:27:53Z",
                    "superevent_id": "S230709bi",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-09T12:27:54.888355Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-09T12:27:54.888382Z",
                "modified": "2023-07-09T12:27:54.899293Z"
            }
        },
        {
            "id": 1103,
            "sequence_number": 1,
            "sequence_type": "EARLY_WARNING",
            "message": {
                "id": 1957,
                "topic": "igwn.gwalert",
                "uuid": "816cd506-4b83-403d-b493-e726c223834e",
                "title": "S230810af - EARLYWARNING",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230810af/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230810af/view/"
                    },
                    "event": {
                        "far": 2.904611839937843e-08,
                        "time": "2023-08-10T10:01:07.574Z",
                        "group": "CBC",
                        "search": "EarlyWarning",
                        "area_50": 2927.4562344965507,
                        "area_90": 10578.45710424155,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "0e6a8fcf4cf6493e2a86ce18a96e0497",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.9945259022459334,
                            "NSBH": 0.0,
                            "Terrestrial": 0.005474097754066598
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "EARLYWARNING",
                    "sequence_num": 1,
                    "time_created": "2023-08-10T10:01:00Z",
                    "superevent_id": "S230810af",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-10T10:01:01.888933Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-10T10:01:01.888953Z",
                "modified": "2023-08-10T10:01:01.892718Z"
            }
        },
        {
            "id": 552,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1056,
                "topic": "igwn.gwalert",
                "uuid": "4f9a6614-ab3d-4d08-9166-cad1cca33e89",
                "title": "S230709bj - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230709bj/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230709bj/view/"
                    },
                    "event": {
                        "far": 1.136130413215142e-05,
                        "time": "2023-07-09T12:38:11.656Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 5484.783971454977,
                        "area_90": 18316.74451308851,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.8244724978099947,
                            "HasMassGap": 0.05584942834942835,
                            "HasRemnant": 0.00024818731210525866
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "14f96308466d0ef2e51c2c4156199ba0",
                        "classification": {
                            "BBH": 0.13228352778482755,
                            "BNS": 0.0,
                            "NSBH": 0.22376581807431462,
                            "Terrestrial": 0.6439506541408578
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-09T12:38:35Z",
                    "superevent_id": "S230709bj",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-09T12:38:36.416803Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-09T12:38:36.416829Z",
                "modified": "2023-07-09T12:38:36.423587Z"
            }
        },
        {
            "id": 1105,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1961,
                "topic": "igwn.gwalert",
                "uuid": "e7de9423-77d7-4237-b032-9bf8ab7e7261",
                "title": "S230810ak - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230810ak/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230810ak/view/"
                    },
                    "event": {
                        "far": 8.07843571237754e-06,
                        "time": "2023-08-10T23:37:42.558Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 155.2693243640659,
                        "area_90": 940.8481762817181,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.1407172685509292,
                            "HasMassGap": 0.3031952653984351,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "49e40c1b9ffbad0e849d7f992013c926",
                        "classification": {
                            "BBH": 0.11704069901129202,
                            "BNS": 0.0,
                            "NSBH": 0.004763841705110445,
                            "Terrestrial": 0.8781954592835975
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-10T23:38:07Z",
                    "superevent_id": "S230810ak",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-10T23:38:08.458884Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-10T23:38:08.458908Z",
                "modified": "2023-08-10T23:38:08.463540Z"
            }
        },
        {
            "id": 1106,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1962,
                "topic": "igwn.gwalert",
                "uuid": "87fdf549-45db-4e75-8ba1-cd1ae911953c",
                "title": "S230810al - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230810al/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230810al/view/"
                    },
                    "event": {
                        "far": 2.219265301385663e-05,
                        "time": "2023-08-10T23:40:44.635Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1273.628106607946,
                        "area_90": 4611.079286790152,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.059442968908486146,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "99c40f12db254fc25f2a477b5523ed4f",
                        "classification": {
                            "BBH": 0.07048701394611291,
                            "BNS": 2.1558869102858063e-13,
                            "NSBH": 1.5134846864629524e-11,
                            "Terrestrial": 0.9295129860385366
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-10T23:41:23Z",
                    "superevent_id": "S230810al",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-10T23:41:24.955275Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-10T23:41:24.955296Z",
                "modified": "2023-08-10T23:41:24.958545Z"
            }
        },
        {
            "id": 138,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 372,
                "topic": "igwn.gwalert",
                "uuid": "0bc44ccd-53c7-4c33-a731-0d584ca4a5f1",
                "title": "S230618ba - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230618ba/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230618ba/view/"
                    },
                    "event": {
                        "far": 2.571665618233965e-06,
                        "time": "2023-06-18T19:30:05.728Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 4781.455896768019,
                        "area_90": 14677.567267452889,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.7284305504633832,
                            "HasMassGap": 0.5248631591969641,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "0aae6151871e7480fc5c7ede23af709f",
                        "classification": {
                            "BBH": 0.14220945248723124,
                            "BNS": 0.0,
                            "NSBH": 0.2906198346153164,
                            "Terrestrial": 0.5671707128974524
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-18T19:30:29Z",
                    "superevent_id": "S230618ba",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-18T19:30:30.635600Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-18T19:30:30.635625Z",
                "modified": "2023-06-18T19:30:30.640708Z"
            }
        },
        {
            "id": 277,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 632,
                "topic": "igwn.gwalert",
                "uuid": "ec8cffcf-6549-4cbd-8af7-6b43045f1781",
                "title": "S230626c - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230626c/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230626c/view/"
                    },
                    "event": {
                        "far": 2.214435320077452e-05,
                        "time": "2023-06-26T00:32:52.754Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1075.135159515505,
                        "area_90": 3867.4651171330574,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.018157865123382366,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "6575d9718f08b08dd8af767de76f20e8",
                        "classification": {
                            "BBH": 0.07423002892586224,
                            "BNS": 2.5017022238446426e-13,
                            "NSBH": 1.708149202562516e-11,
                            "Terrestrial": 0.9257699710568061
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-26T00:33:19Z",
                    "superevent_id": "S230626c",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-26T00:33:21.087930Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-26T00:33:21.087956Z",
                "modified": "2023-06-26T00:33:21.093992Z"
            }
        },
        {
            "id": 1109,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1965,
                "topic": "igwn.gwalert",
                "uuid": "d85112bb-7e96-45b4-8b97-bcd35f34aa6f",
                "title": "S230811f - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230811f/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230811f/view/"
                    },
                    "event": {
                        "far": 1.99329e-05,
                        "time": "2023-08-11T01:06:03.644Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 60.429142455204016,
                        "area_90": 179.60884007518976,
                        "duration": 0.034715,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "84efed7e05d7ca567b466728683a5613",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 326.251465
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-11T01:07:09Z",
                    "superevent_id": "S230811f",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-11T01:07:09.604309Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-11T01:07:09.604327Z",
                "modified": "2023-08-11T01:07:09.608870Z"
            }
        },
        {
            "id": 1439,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2501,
                "topic": "igwn.gwalert",
                "uuid": "a4ad7e75-6bb6-44ab-b263-67f7ec378739",
                "title": "S230827v - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230827v/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230827v/view/"
                    },
                    "event": {
                        "far": 1.9708e-05,
                        "time": "2023-08-27T07:14:26.363Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 1037.3669454810024,
                        "area_90": 3589.6589205681607,
                        "duration": 0.007414,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "62f6b74e76f46f1c06d82c6a7855c862",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 122.744171
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-27T07:15:44Z",
                    "superevent_id": "S230827v",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-27T07:15:45.167920Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-27T07:15:45.167940Z",
                "modified": "2023-08-27T07:15:45.171897Z"
            }
        },
        {
            "id": 1111,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1967,
                "topic": "igwn.gwalert",
                "uuid": "a544f771-1361-4d0b-b55c-010b5ca18280",
                "title": "S230811n - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230811n/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230811n/view/"
                    },
                    "event": {
                        "far": 4.62726732977046e-21,
                        "time": "2023-08-11T03:21:16.289Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 258.18770760808525,
                        "area_90": 1091.081738774517,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "69eca050d8d5ff19a1cd32d26e18d40b",
                        "classification": {
                            "BBH": 0.9999999999999832,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 1.6764367671839864e-14
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-11T03:21:47Z",
                    "superevent_id": "S230811n",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-11T03:21:48.531023Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-11T03:21:48.531055Z",
                "modified": "2023-08-11T03:21:48.536652Z"
            }
        },
        {
            "id": 34,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 138,
                "topic": "igwn.gwalert",
                "uuid": "fcee3a47-695d-49c6-8922-34a2777c420d",
                "title": "S230603aa - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230603aa/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230603aa/view/"
                    },
                    "event": {
                        "far": 1.154570459497884e-06,
                        "time": "2023-06-03T07:34:45.081Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 867.6198057370439,
                        "area_90": 3565.319404857037,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.000689655172413793,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7e29fdec84eaf30fe0e83c6996753fad",
                        "classification": {
                            "BBH": 0.005404270988081028,
                            "BNS": 0.0,
                            "NSBH": 0.02586428498974366,
                            "Terrestrial": 0.9687314440221753
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-03T07:35:11Z",
                    "superevent_id": "S230603aa",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-03T07:35:12.008487Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-03T07:35:12.008512Z",
                "modified": "2023-06-03T07:35:12.017071Z"
            }
        },
        {
            "id": 1205,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2163,
                "topic": "igwn.gwalert",
                "uuid": "61f6805e-2a09-4f52-9c11-e6e325aa9509",
                "title": "S230817z - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230817z/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230817z/view/"
                    },
                    "event": {
                        "far": 1.723651745515414e-05,
                        "time": "2023-08-17T13:47:06.442Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 327.16715407387807,
                        "area_90": 1167.667283900036,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "e4c5206f5fcc30ac4df2fa5d3e437a61",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.002564265256613383,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9974357347433866
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-17T13:47:35Z",
                    "superevent_id": "S230817z",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-17T13:47:36.360881Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-17T13:47:36.360903Z",
                "modified": "2023-08-17T13:47:36.367360Z"
            }
        },
        {
            "id": 1114,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1984,
                "topic": "igwn.gwalert",
                "uuid": "4e0b7fb2-ae56-4310-a7ec-4e421b2d6ac8",
                "title": "S230811y - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230811y/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230811y/view/"
                    },
                    "event": {
                        "far": 1.93216e-05,
                        "time": "2023-08-11T22:46:20.856Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 67.14349161689336,
                        "area_90": 235.00222065912672,
                        "duration": 0.021805,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "096e40ca152fe47344f1dd06e839b9c0",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 532.851135
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-11T22:47:38Z",
                    "superevent_id": "S230811y",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-11T22:47:39.130161Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-11T22:47:39.130182Z",
                "modified": "2023-08-11T22:47:39.138522Z"
            }
        },
        {
            "id": 1115,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1985,
                "topic": "igwn.gwalert",
                "uuid": "a7349461-8213-43cd-8c76-e402af24d81d",
                "title": "S230811z - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230811z/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230811z/view/"
                    },
                    "event": {
                        "far": 6.40453e-06,
                        "time": "2023-08-11T22:47:11.157Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 188.8410701725126,
                        "area_90": 835.0971769851112,
                        "duration": 0.014046,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "07712df905421726da04da0bd91cb6b2",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 318.181305
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-11T22:48:51Z",
                    "superevent_id": "S230811z",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-11T22:48:52.383762Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-11T22:48:52.383780Z",
                "modified": "2023-08-11T22:48:52.389443Z"
            }
        },
        {
            "id": 279,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 634,
                "topic": "igwn.gwalert",
                "uuid": "2d37fd78-e68e-47d8-8784-05f7b6a8823a",
                "title": "S230626t - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230626t/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230626t/view/"
                    },
                    "event": {
                        "far": 1.839969081629533e-05,
                        "time": "2023-06-26T05:02:48.513Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 218.11143604925206,
                        "area_90": 1200.1899126519686,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.4891259650815578,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d11f350ac411e7bb2164e5fef885ae59",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.031727218446709435,
                            "NSBH": 0.015607118018778203,
                            "Terrestrial": 0.9526656635345123
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-26T05:03:15Z",
                    "superevent_id": "S230626t",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-26T05:03:16.312979Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-26T05:03:16.313002Z",
                "modified": "2023-06-26T05:03:16.318004Z"
            }
        },
        {
            "id": 1452,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2518,
                "topic": "igwn.gwalert",
                "uuid": "b3bbd837-b60c-4e78-b609-5c70e65b7f79",
                "title": "S230827az - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230827az/files/olib.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230827az/view/"
                    },
                    "event": {
                        "far": 1.9394702829679353e-06,
                        "time": "2023-08-27T12:34:19.432Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1051.4251140382896,
                        "area_90": 5247.263869860215,
                        "duration": 0.009518270413281035,
                        "pipeline": "oLIB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "41713da3ada4237b4cf2b9a9f3429801",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 132.95498962824828
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-27T12:42:08Z",
                    "superevent_id": "S230827az",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-27T12:42:09.698496Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-27T12:42:09.698518Z",
                "modified": "2023-08-27T12:42:09.710243Z"
            }
        },
        {
            "id": 1118,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1988,
                "topic": "igwn.gwalert",
                "uuid": "59f23b14-6451-4d5f-ae74-9131ed20aaf7",
                "title": "S230812b - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230812b/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230812b/view/"
                    },
                    "event": {
                        "far": 4.954024140090928e-06,
                        "time": "2023-08-12T00:19:04.708Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1226.6276624761206,
                        "area_90": 5086.958783624883,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.012106583072100312,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "5565a5a936cd7771b26a60d9aab8e391",
                        "classification": {
                            "BBH": 0.3005677244606614,
                            "BNS": 2.4090402703653007e-15,
                            "NSBH": 1.7244632569778946e-13,
                            "Terrestrial": 0.6994322755391638
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-12T00:19:31Z",
                    "superevent_id": "S230812b",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-12T00:19:33.381924Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-12T00:19:33.381945Z",
                "modified": "2023-08-12T00:19:33.387949Z"
            }
        },
        {
            "id": 559,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1080,
                "topic": "igwn.gwalert",
                "uuid": "f54c49d0-7565-4767-8db7-8ffe15b9c19b",
                "title": "S230710h - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230710h/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230710h/view/"
                    },
                    "event": {
                        "far": 1.895703098853119e-05,
                        "time": "2023-07-10T11:32:27.246Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2237.556858132971,
                        "area_90": 11431.179447776094,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.45594227994228,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "fbf881f8d99dd131b05dbdd747223ba6",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.09038012893713988,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9096198710628601
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-10T11:32:53Z",
                    "superevent_id": "S230710h",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-10T11:32:54.481266Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-10T11:32:54.481293Z",
                "modified": "2023-07-10T11:32:54.492201Z"
            }
        },
        {
            "id": 1120,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1990,
                "topic": "igwn.gwalert",
                "uuid": "a9d20eaa-3458-4fb5-80e7-a35fe02f8f5a",
                "title": "S230812e - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230812e/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230812e/view/"
                    },
                    "event": {
                        "far": 1.070313740094197e-06,
                        "time": "2023-08-12T01:14:05.638Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1039.4651795940304,
                        "area_90": 3164.1370424460997,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.8530447978786893,
                            "HasMassGap": 0.025264069264069263,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "ad0eee557ead69e52522bae4e6a5aee9",
                        "classification": {
                            "BBH": 0.004101949839251352,
                            "BNS": 0.0,
                            "NSBH": 0.03029879865515715,
                            "Terrestrial": 0.9655992515055914
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-12T01:14:29Z",
                    "superevent_id": "S230812e",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-12T01:14:30.929002Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-12T01:14:30.929025Z",
                "modified": "2023-08-12T01:14:30.936382Z"
            }
        },
        {
            "id": 140,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 382,
                "topic": "igwn.gwalert",
                "uuid": "e04aa605-c8b3-4914-878a-dffdca2115ee",
                "title": "S230619e - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230619e/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230619e/view/"
                    },
                    "event": {
                        "far": 2.03468e-05,
                        "time": "2023-06-19T02:43:17.621Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 1450.2994189248966,
                        "area_90": 4674.026310180989,
                        "duration": 0.037724,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9075ea62cb7077d165f2d212ba947384",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 29.614994
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-19T02:44:14Z",
                    "superevent_id": "S230619e",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-19T02:44:15.031192Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-19T02:44:15.031221Z",
                "modified": "2023-06-19T02:44:15.040533Z"
            }
        },
        {
            "id": 561,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1083,
                "topic": "igwn.gwalert",
                "uuid": "2b0b7863-183e-4d8e-be60-4295a0ec781b",
                "title": "S230710p - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230710p/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230710p/view/"
                    },
                    "event": {
                        "far": 1.41434e-05,
                        "time": "2023-07-10T13:54:09.512Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 3832.2147840341877,
                        "area_90": 12207.526069596424,
                        "duration": 0.079333,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "260316f906d1eef6c5b988e3c276b210",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 24.448917
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-10T13:55:23Z",
                    "superevent_id": "S230710p",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-10T13:55:24.675833Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-10T13:55:24.675863Z",
                "modified": "2023-07-10T13:55:24.687237Z"
            }
        },
        {
            "id": 1210,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2173,
                "topic": "igwn.gwalert",
                "uuid": "b0a37911-3f38-41b5-adea-122d89f418a5",
                "title": "S230817ap - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230817ap/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230817ap/view/"
                    },
                    "event": {
                        "far": 1.817539421641903e-05,
                        "time": "2023-08-17T21:23:49.141Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1165.3592263757055,
                        "area_90": 3940.4836642664286,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "80068e09ff1d3ad80b025b335838623c",
                        "classification": {
                            "BBH": 0.10794781918582318,
                            "BNS": 4.423250464773983e-15,
                            "NSBH": 3.147061621868138e-13,
                            "Terrestrial": 0.8920521808138577
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-17T21:24:13Z",
                    "superevent_id": "S230817ap",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-17T21:24:14.200687Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-17T21:24:14.200732Z",
                "modified": "2023-08-17T21:24:14.204540Z"
            }
        },
        {
            "id": 1124,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1995,
                "topic": "igwn.gwalert",
                "uuid": "95592512-a7c4-4f88-a9f4-0aec7e17a0f1",
                "title": "S230812x - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230812x/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230812x/view/"
                    },
                    "event": {
                        "far": 1.33376e-05,
                        "time": "2023-08-12T05:44:55.586Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 482.5938459964209,
                        "area_90": 2192.2350012915676,
                        "duration": 0.017954,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9c02485396b8cd098e6149579da6b8d9",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1219.862427
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-12T05:46:08Z",
                    "superevent_id": "S230812x",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-12T05:46:09.383505Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-12T05:46:09.383523Z",
                "modified": "2023-08-12T05:46:09.389044Z"
            }
        },
        {
            "id": 281,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 637,
                "topic": "igwn.gwalert",
                "uuid": "0b3f541e-2f83-46d8-9da1-62fd628bb9f4",
                "title": "S230626ad - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230626ad/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230626ad/view/"
                    },
                    "event": {
                        "far": 9.4084397878484e-07,
                        "time": "2023-06-26T06:07:13.188Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1764.4050656451757,
                        "area_90": 7577.143028966416,
                        "duration": 0.1627545195642458,
                        "pipeline": "oLIB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "16dda5ed9cb79af5467b7dc85d584634",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 40.32842894344215
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-26T06:22:37Z",
                    "superevent_id": "S230626ad",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-26T06:22:38.464885Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-26T06:22:38.464910Z",
                "modified": "2023-06-26T06:22:38.471763Z"
            }
        },
        {
            "id": 1126,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1998,
                "topic": "igwn.gwalert",
                "uuid": "f32f6d77-0e36-45e5-8d44-9d2f77b4a34a",
                "title": "S230812aj - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230812aj/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230812aj/view/"
                    },
                    "event": {
                        "far": 2.263859641971067e-05,
                        "time": "2023-08-12T12:04:20.036Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 275.97024171599685,
                        "area_90": 1201.02920629718,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.05083333333333332,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "79a784aeeee20268ccdbe4e2913b2b13",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.07737050597413721,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9226294940258628
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-12T12:04:45Z",
                    "superevent_id": "S230812aj",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-12T12:04:46.886557Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-12T12:04:46.886574Z",
                "modified": "2023-08-12T12:04:46.890886Z"
            }
        },
        {
            "id": 563,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1086,
                "topic": "igwn.gwalert",
                "uuid": "5c9b7827-7fce-4223-9c29-ebfb4400b4ae",
                "title": "S230710v - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230710v/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230710v/view/"
                    },
                    "event": {
                        "far": 1.291174703510478e-05,
                        "time": "2023-07-10T15:04:04.218Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 4194.789638765413,
                        "area_90": 15510.146563502365,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.027043668502428234,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "671aed790f3fad05e9dc5f8a56527a65",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.09366603724559686,
                            "NSBH": 0.006788931712403156,
                            "Terrestrial": 0.899545031042
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-10T15:09:30Z",
                    "superevent_id": "S230710v",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-10T15:09:31.862638Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-10T15:09:31.862665Z",
                "modified": "2023-07-10T15:09:31.871721Z"
            }
        },
        {
            "id": 1128,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2000,
                "topic": "igwn.gwalert",
                "uuid": "b3641438-fe17-4753-9a53-5840af054ebb",
                "title": "S230812ak - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230812ak/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230812ak/view/"
                    },
                    "event": {
                        "far": 1.32209e-05,
                        "time": "2023-08-12T12:09:09.090Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 424.68258447685054,
                        "area_90": 1410.8526175999718,
                        "duration": 0.02383,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "664a9cc8856a2905af1d119ad19d5aea",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 49.973038
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-12T12:10:55Z",
                    "superevent_id": "S230812ak",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-12T12:10:56.819920Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-12T12:10:56.819939Z",
                "modified": "2023-08-12T12:10:56.823272Z"
            }
        },
        {
            "id": 70,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 232,
                "topic": "igwn.gwalert",
                "uuid": "9051ecb2-569b-46a5-88cf-1d456970283e",
                "title": "S230612m - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230612m/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230612m/view/"
                    },
                    "event": {
                        "far": 1.96502e-06,
                        "time": "2023-06-12T08:52:11.460Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 778.0252091107519,
                        "area_90": 2447.380269435763,
                        "duration": 0.005385,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "69d695194f99e332f1dc78f8689fd395",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 173.741104
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-12T09:00:51Z",
                    "superevent_id": "S230612m",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-12T09:00:51.751409Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-12T09:00:51.751441Z",
                "modified": "2023-06-12T09:00:51.759212Z"
            }
        },
        {
            "id": 1130,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2002,
                "topic": "igwn.gwalert",
                "uuid": "d2ae3a97-9b6b-40b3-a9df-38ef1effa8b7",
                "title": "S230812am - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230812am/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230812am/view/"
                    },
                    "event": {
                        "far": 1.45886e-05,
                        "time": "2023-08-12T12:21:38.255Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 539.6658138707803,
                        "area_90": 1890.0892890155478,
                        "duration": 0.010465,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "2113f8d77e7809f91717dcadb1bfae78",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1780.7323
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-12T12:23:01Z",
                    "superevent_id": "S230812am",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-12T12:23:01.683655Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-12T12:23:01.683674Z",
                "modified": "2023-08-12T12:23:01.687348Z"
            }
        },
        {
            "id": 1478,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2557,
                "topic": "igwn.gwalert",
                "uuid": "f6401eaf-2911-4e0a-bf8e-e196b7892e77",
                "title": "S230828ap - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230828ap/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230828ap/view/"
                    },
                    "event": {
                        "far": 3.86266e-06,
                        "time": "2023-08-28T16:00:49.115Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1393.647097873143,
                        "area_90": 5905.479911117073,
                        "duration": 0.005492,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "8563c11ff4ec7c5c29e0d9473599da9b",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 705.316528
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-28T16:05:14Z",
                    "superevent_id": "S230828ap",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-28T16:05:15.516259Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-28T16:05:15.516281Z",
                "modified": "2023-08-28T16:05:15.521162Z"
            }
        },
        {
            "id": 1132,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2004,
                "topic": "igwn.gwalert",
                "uuid": "ba7d5da8-fc29-4ca9-af3f-bb3aeb2afd5a",
                "title": "S230812ao - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230812ao/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230812ao/view/"
                    },
                    "event": {
                        "far": 1.709802563709673e-05,
                        "time": "2023-08-12T13:09:52.812Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 4931.689459260817,
                        "area_90": 16419.94087491127,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.21361928072880604,
                            "HasMassGap": 0.3932728840140871,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "8c2fea89133604b9aed95f1ebd399ef7",
                        "classification": {
                            "BBH": 0.18189406237486325,
                            "BNS": 0.0,
                            "NSBH": 0.020387514851233815,
                            "Terrestrial": 0.7977184227739029
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-12T13:10:21Z",
                    "superevent_id": "S230812ao",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-12T13:10:23.234119Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-12T13:10:23.234145Z",
                "modified": "2023-08-12T13:10:23.238989Z"
            }
        },
        {
            "id": 283,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 640,
                "topic": "igwn.gwalert",
                "uuid": "7048e672-d4c1-4d7d-9f93-2021f2fe991f",
                "title": "S230626at - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230626at/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230626at/view/"
                    },
                    "event": {
                        "far": 2.185360062867403e-05,
                        "time": "2023-06-26T10:56:43.333Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 700.8101937513245,
                        "area_90": 2940.0456391747175,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.509925375815751,
                            "HasRemnant": 0.7921749797149876
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9103d312dfb069125af690450009921c",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.07759902037518768,
                            "NSBH": 0.002535936196010936,
                            "Terrestrial": 0.9198650434288014
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-26T10:57:11Z",
                    "superevent_id": "S230626at",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-26T10:57:12.752762Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-26T10:57:12.752805Z",
                "modified": "2023-06-26T10:57:12.760805Z"
            }
        },
        {
            "id": 1134,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2006,
                "topic": "igwn.gwalert",
                "uuid": "82bd9633-2c48-401b-8693-1b0198ba15de",
                "title": "S230812aq - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230812aq/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230812aq/view/"
                    },
                    "event": {
                        "far": 1.815003767605727e-05,
                        "time": "2023-08-12T13:22:04.812Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 403.1756848183144,
                        "area_90": 1512.1973252592202,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.9709249706886335,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.21212129760111317
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "1fb2b55b9d83589190af1ee7160f0c1c",
                        "classification": {
                            "BBH": 5.2176431276416275e-05,
                            "BNS": 0.0,
                            "NSBH": 0.0012561959283144222,
                            "Terrestrial": 0.9986916276404092
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-12T13:22:32Z",
                    "superevent_id": "S230812aq",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-12T13:22:35.142014Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-12T13:22:35.142032Z",
                "modified": "2023-08-12T13:22:35.145957Z"
            }
        },
        {
            "id": 567,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1092,
                "topic": "igwn.gwalert",
                "uuid": "ea2e52c6-6069-4c1b-9bfe-211b8b9b6d39",
                "title": "S230710ab - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230710ab/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230710ab/view/"
                    },
                    "event": {
                        "far": 6.80679e-06,
                        "time": "2023-07-10T18:17:57.140Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 4326.558741063566,
                        "area_90": 13661.182663102165,
                        "duration": 0.030382,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9887aab9e3c2287465482f4bbbbde05c",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 23.357212
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-10T18:19:11Z",
                    "superevent_id": "S230710ab",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-10T18:19:12.606662Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-10T18:19:12.606691Z",
                "modified": "2023-07-10T18:19:12.614252Z"
            }
        },
        {
            "id": 1136,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2008,
                "topic": "igwn.gwalert",
                "uuid": "c420f815-5e67-413d-94c5-afb7e40b0983",
                "title": "S230812be - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230812be/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230812be/view/"
                    },
                    "event": {
                        "far": 1.951936774365928e-05,
                        "time": "2023-08-12T16:14:10.364Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 790.4047903776165,
                        "area_90": 3077.689796989349,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.9882579676092084,
                            "HasRemnant": 0.007589333247204356
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "0253ecbd01295160ae5c9eff2b8331e0",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0004432380763840503,
                            "NSBH": 0.0008235228939726417,
                            "Terrestrial": 0.9987332390296433
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-12T16:14:37Z",
                    "superevent_id": "S230812be",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-12T16:14:38.219795Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-12T16:14:38.219812Z",
                "modified": "2023-08-12T16:14:38.224944Z"
            }
        },
        {
            "id": 568,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1093,
                "topic": "igwn.gwalert",
                "uuid": "86469106-fc0d-4cdd-9908-be29cb24ca28",
                "title": "S230710ac - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230710ac/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230710ac/view/"
                    },
                    "event": {
                        "far": 1.37313e-05,
                        "time": "2023-07-10T18:17:56.251Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 855.0304010588762,
                        "area_90": 4837.268924174561,
                        "duration": 0.0201,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "2eeac19ac6142f638fb54b8083dbce06",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 607.877991
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-10T18:20:37Z",
                    "superevent_id": "S230710ac",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-10T18:20:38.834333Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-10T18:20:38.834359Z",
                "modified": "2023-07-10T18:20:38.841183Z"
            }
        },
        {
            "id": 1138,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2011,
                "topic": "igwn.gwalert",
                "uuid": "0340bf33-9b05-4bd4-a486-1243a3811e64",
                "title": "S230812bo - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230812bo/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230812bo/view/"
                    },
                    "event": {
                        "far": 4.486945938769296e-06,
                        "time": "2023-08-12T18:13:41.236Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 245.38847951861496,
                        "area_90": 1257.261880526328,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7f98be15427e2368bee890fed1919ffe",
                        "classification": {
                            "BBH": 0.3120893017622228,
                            "BNS": 2.25784463568647e-28,
                            "NSBH": 1.9801161103430016e-26,
                            "Terrestrial": 0.6879106982377772
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-12T18:14:02Z",
                    "superevent_id": "S230812bo",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-12T18:14:03.589021Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-12T18:14:03.589043Z",
                "modified": "2023-08-12T18:14:03.593061Z"
            }
        },
        {
            "id": 142,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 387,
                "topic": "igwn.gwalert",
                "uuid": "233c2dd3-273a-4a50-87ea-ebbc6bf42153",
                "title": "S230619i - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230619i/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230619i/view/"
                    },
                    "event": {
                        "far": 4.143149961654957e-06,
                        "time": "2023-06-19T03:33:01.769Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 518.6834727405012,
                        "area_90": 2241.753326359027,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.5319099878187807,
                            "HasRemnant": 0.005377264275187395
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "aeea58892645358287646ff58f25b25b",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.007216939634928987,
                            "NSBH": 0.001338963471712247,
                            "Terrestrial": 0.9914440968933588
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-19T03:33:30Z",
                    "superevent_id": "S230619i",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-19T03:33:31.962332Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-19T03:33:31.962382Z",
                "modified": "2023-06-19T03:33:31.969954Z"
            }
        },
        {
            "id": 1140,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2016,
                "topic": "igwn.gwalert",
                "uuid": "85c33fe0-98fb-4022-aa8a-832a8ccd8361",
                "title": "S230812bu - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230812bu/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230812bu/view/"
                    },
                    "event": {
                        "far": 6.223357104317984e-06,
                        "time": "2023-08-12T20:11:12.218Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1833.2271445524914,
                        "area_90": 7355.569506630668,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.05584942834942835,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "6461c03726d50a57088665fc970b1fe6",
                        "classification": {
                            "BBH": 0.0563723207909172,
                            "BNS": 0.0,
                            "NSBH": 0.14924961379285742,
                            "Terrestrial": 0.7943780654162254
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-12T20:11:36Z",
                    "superevent_id": "S230812bu",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-12T20:11:38.278365Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-12T20:11:38.278384Z",
                "modified": "2023-08-12T20:11:38.281809Z"
            }
        },
        {
            "id": 285,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 644,
                "topic": "igwn.gwalert",
                "uuid": "1cdaa94a-8c98-4cd7-82e0-2255b55abb0b",
                "title": "S230626bb - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230626bb/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230626bb/view/"
                    },
                    "event": {
                        "far": 1.20033e-05,
                        "time": "2023-06-26T14:12:43.070Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 103.23311836097356,
                        "area_90": 374.3249657641805,
                        "duration": 0.015495,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "07139dc7558f4f76750837fad732c497",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 162.540283
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-26T14:13:52Z",
                    "superevent_id": "S230626bb",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-26T14:13:52.616029Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-26T14:13:52.616051Z",
                "modified": "2023-06-26T14:13:52.621077Z"
            }
        },
        {
            "id": 1142,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2019,
                "topic": "igwn.gwalert",
                "uuid": "e0023c2f-8cf8-49df-b962-1872ba394a3e",
                "title": "S230812cd - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230812cd/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230812cd/view/"
                    },
                    "event": {
                        "far": 1.589819294167683e-05,
                        "time": "2023-08-12T21:55:38.894Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 861.1152799866574,
                        "area_90": 2639.57851418912,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.5213539472443225,
                            "HasRemnant": 0.8569411215388991
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c0c5f258d28cd446a0f0594d95787c46",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.10615392823807349,
                            "NSBH": 0.010810605143949296,
                            "Terrestrial": 0.8830354666179772
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-12T21:56:02Z",
                    "superevent_id": "S230812cd",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-12T21:56:03.032691Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-12T21:56:03.032712Z",
                "modified": "2023-08-12T21:56:03.036189Z"
            }
        },
        {
            "id": 571,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1096,
                "topic": "igwn.gwalert",
                "uuid": "99f87ca2-697a-4485-b44e-d3386275a100",
                "title": "S230710ad - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230710ad/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230710ad/view/"
                    },
                    "event": {
                        "far": 4.2682e-06,
                        "time": "2023-07-10T18:32:51.194Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 1087.7245641936722,
                        "area_90": 3270.7273353879177,
                        "duration": 0.024002,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "2a23cad7818ee8431dacc50d107920a0",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 30.566608
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-10T18:34:41Z",
                    "superevent_id": "S230710ad",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-10T18:34:42.012358Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-10T18:34:42.012385Z",
                "modified": "2023-07-10T18:34:42.021746Z"
            }
        },
        {
            "id": 1144,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2023,
                "topic": "igwn.gwalert",
                "uuid": "d8dcc154-3c32-485a-bc5f-c0fb360bb71c",
                "title": "S230813e - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230813e/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230813e/view/"
                    },
                    "event": {
                        "far": 3.9226306398632e-06,
                        "time": "2023-08-13T01:15:51.277Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2169.5740728708665,
                        "area_90": 9400.08882636507,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.18392645216860917,
                            "HasMassGap": 0.04963932461873639,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "76e49e76d770914e3ccd319c6f0081ba",
                        "classification": {
                            "BBH": 0.2103944181711055,
                            "BNS": 0.0,
                            "NSBH": 0.05386818131358252,
                            "Terrestrial": 0.735737400515312
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-13T01:16:15Z",
                    "superevent_id": "S230813e",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-13T01:16:17.153839Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-13T01:16:17.153859Z",
                "modified": "2023-08-13T01:16:17.157152Z"
            }
        },
        {
            "id": 8,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 43,
                "topic": "igwn.gwalert",
                "uuid": "47c98527-fea0-423d-b8c4-701022e061ed",
                "title": "S230522n - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230522n/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230522n/view/"
                    },
                    "event": {
                        "far": 6.479128493829593e-09,
                        "time": "2023-05-22T15:30:33.391Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 4.297183463481174,
                        "area_90": 8.594366926962348,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "f8bf2386b3d0238d7fe2bc90301b499b",
                        "classification": {
                            "BBH": 0.9931377623662752,
                            "BNS": 1.5857295164144167e-16,
                            "NSBH": 1.1696821003800253e-14,
                            "Terrestrial": 0.006862237633713075
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-05-22T15:31:02Z",
                    "superevent_id": "S230522n",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-05-22T15:31:03.448231Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-05-22T15:31:03.448257Z",
                "modified": "2023-05-22T15:31:03.455240Z"
            }
        },
        {
            "id": 1146,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2035,
                "topic": "igwn.gwalert",
                "uuid": "1da7ec11-aa2e-41ca-be69-2ac3fcbbd2fe",
                "title": "S230813ae - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230813ae/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230813ae/view/"
                    },
                    "event": {
                        "far": 8.32084e-06,
                        "time": "2023-08-13T09:24:44.148Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 1991.6438200860991,
                        "area_90": 6652.241431943711,
                        "duration": 0.011143,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a8da14d6c327f713764cba1e1ba726ac",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 110.74057
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-13T09:27:44Z",
                    "superevent_id": "S230813ae",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-13T09:27:45.508783Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-13T09:27:45.508802Z",
                "modified": "2023-08-13T09:27:45.512644Z"
            }
        },
        {
            "id": 573,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1098,
                "topic": "igwn.gwalert",
                "uuid": "529bf0b6-2024-4a1b-88be-033ffa226928",
                "title": "S230710ah - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230710ah/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230710ah/view/"
                    },
                    "event": {
                        "far": 1.76159e-06,
                        "time": "2023-07-10T18:53:43.686Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 4189.753876894145,
                        "area_90": 12378.741973219501,
                        "duration": 0.016131,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "fce2ed4f2a7fe8ed8d5f135442b2ea72",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 39.550259
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-10T18:55:40Z",
                    "superevent_id": "S230710ah",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-10T18:55:41.213443Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-10T18:55:41.213470Z",
                "modified": "2023-07-10T18:55:41.220474Z"
            }
        },
        {
            "id": 1148,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2038,
                "topic": "igwn.gwalert",
                "uuid": "4dbc0489-1294-4746-8775-3cb82bf27fed",
                "title": "S230813ak - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230813ak/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230813ak/view/"
                    },
                    "event": {
                        "far": 1.602135e-05,
                        "time": "2023-08-13T10:14:36.122Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 481.75455235120984,
                        "area_90": 2330.718452751411,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0005883535077442386
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "77d88c811bf6789bfd7a9854745d9a10",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0,
                            "NSBH": 0.001203568,
                            "Terrestrial": 0.998796432
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-13T10:15:09Z",
                    "superevent_id": "S230813ak",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-13T10:15:10.231043Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-13T10:15:10.231075Z",
                "modified": "2023-08-13T10:15:10.235372Z"
            }
        },
        {
            "id": 1520,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2621,
                "topic": "igwn.gwalert",
                "uuid": "4fa76547-947e-4ad9-8210-d4257727d390",
                "title": "S230831ai - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230831ai/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230831ai/view/"
                    },
                    "event": {
                        "far": 1.520780103197455e-05,
                        "time": "2023-08-31T07:30:11.536Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1152.769821697538,
                        "area_90": 5737.411358663538,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a4eb8805a9e2d4929b2cec630fc02f5b",
                        "classification": {
                            "BBH": 0.10266262959497077,
                            "BNS": 1.312758317427598e-13,
                            "NSBH": 1.7515302644015882e-10,
                            "Terrestrial": 0.8973373702297449
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-31T07:30:36Z",
                    "superevent_id": "S230831ai",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-31T07:30:37.575887Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-31T07:30:37.575905Z",
                "modified": "2023-08-31T07:30:37.581642Z"
            }
        },
        {
            "id": 1150,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2040,
                "topic": "igwn.gwalert",
                "uuid": "a8242dfc-915c-422f-8232-8a116db70a4a",
                "title": "S230813ar - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230813ar/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230813ar/view/"
                    },
                    "event": {
                        "far": 2.017935677208971e-05,
                        "time": "2023-08-13T11:30:58.060Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1759.9987740078172,
                        "area_90": 6762.188899466373,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0922740901469909,
                            "HasMassGap": 0.026260429225946468,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "55991df38aabaa93d098207dfe02442b",
                        "classification": {
                            "BBH": 0.09261647238103855,
                            "BNS": 1.4396537964856499e-12,
                            "NSBH": 1.076865081317681e-10,
                            "Terrestrial": 0.9073835275098353
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-13T11:31:22Z",
                    "superevent_id": "S230813ar",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-13T11:31:23.698529Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-13T11:31:23.698550Z",
                "modified": "2023-08-13T11:31:23.702352Z"
            }
        },
        {
            "id": 575,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1104,
                "topic": "igwn.gwalert",
                "uuid": "6ca0afbc-7925-4ad8-a451-1595dd755b87",
                "title": "S230710ap - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230710ap/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230710ap/view/"
                    },
                    "event": {
                        "far": 1.02891391593607e-05,
                        "time": "2023-07-10T20:17:38.492Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1091.7112090084254,
                        "area_90": 3660.159586765899,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.000689655172413793,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "46d246632d7ddbaa183bb0b5f468f749",
                        "classification": {
                            "BBH": 0.0001497488919818909,
                            "BNS": 0.0,
                            "NSBH": 0.0016244847510180189,
                            "Terrestrial": 0.9982257663570001
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-10T20:18:06Z",
                    "superevent_id": "S230710ap",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-10T20:18:07.720112Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-10T20:18:07.720139Z",
                "modified": "2023-07-10T20:18:07.726992Z"
            }
        },
        {
            "id": 1152,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2044,
                "topic": "igwn.gwalert",
                "uuid": "f1403096-dac6-4592-a73b-c775cf3279fb",
                "title": "S230813au - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230813au/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230813au/view/"
                    },
                    "event": {
                        "far": 1.08069e-05,
                        "time": "2023-08-13T13:44:51.232Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 102.39382471576239,
                        "area_90": 344.94968818178967,
                        "duration": 0.041945,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "4ccc16f52350f55a17cb1c3ac316aa1c",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 81.376663
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-13T13:46:52Z",
                    "superevent_id": "S230813au",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-13T13:46:53.203553Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-13T13:46:53.203572Z",
                "modified": "2023-08-13T13:46:53.207745Z"
            }
        },
        {
            "id": 576,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1105,
                "topic": "igwn.gwalert",
                "uuid": "85e74a15-a056-4c1a-b743-9fa681bc7c52",
                "title": "S230710aq - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230710aq/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230710aq/view/"
                    },
                    "event": {
                        "far": 1.94527929124888e-05,
                        "time": "2023-07-10T20:19:42.877Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1664.9487686876523,
                        "area_90": 6820.100160985943,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.07466754292407492,
                            "HasMassGap": 0.03499672956902059,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "ef08d12c625647484a6fa2d4469d05be",
                        "classification": {
                            "BBH": 0.059651725646871,
                            "BNS": 0.0,
                            "NSBH": 0.027292832499780997,
                            "Terrestrial": 0.913055441853348
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-10T20:20:25Z",
                    "superevent_id": "S230710aq",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-10T20:20:26.026457Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-10T20:20:26.026485Z",
                "modified": "2023-07-10T20:20:26.041918Z"
            }
        },
        {
            "id": 1154,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2047,
                "topic": "igwn.gwalert",
                "uuid": "38747210-823f-4a4d-ab32-bb90e57a6b10",
                "title": "S230813ax - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230813ax/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230813ax/view/"
                    },
                    "event": {
                        "far": 1.107436941370917e-05,
                        "time": "2023-08-13T14:49:14.669Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 951.7589936694635,
                        "area_90": 3561.1229366309813,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "e1ee781a837c26197d7643894a5c1d2f",
                        "classification": {
                            "BBH": 0.16991458063093762,
                            "BNS": 1.891357754007491e-15,
                            "NSBH": 1.3571005984786715e-13,
                            "Terrestrial": 0.8300854193689248
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-13T14:49:40Z",
                    "superevent_id": "S230813ax",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-13T14:49:41.015210Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-13T14:49:41.015228Z",
                "modified": "2023-08-13T14:49:41.018929Z"
            }
        },
        {
            "id": 288,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 650,
                "topic": "igwn.gwalert",
                "uuid": "03706748-31a3-42ae-993b-2302d5424dc6",
                "title": "S230626bq - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230626bq/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230626bq/view/"
                    },
                    "event": {
                        "far": 2.004140151257161e-05,
                        "time": "2023-06-26T18:46:52.146Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 788.0967328532859,
                        "area_90": 2716.793529548547,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.35459507766872933,
                            "HasMassGap": 0.022365079365079366,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "1a48bc7accae8865c52c2da850f43182",
                        "classification": {
                            "BBH": 0.019522742258169187,
                            "BNS": 0.0,
                            "NSBH": 0.03403871268344305,
                            "Terrestrial": 0.9464385450583878
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-26T18:48:17Z",
                    "superevent_id": "S230626bq",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-26T18:48:19.053736Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-26T18:48:19.053760Z",
                "modified": "2023-06-26T18:48:19.059578Z"
            }
        },
        {
            "id": 1156,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2049,
                "topic": "igwn.gwalert",
                "uuid": "15824640-4723-433f-af8f-ce5d1acbb298",
                "title": "S230813az - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230813az/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230813az/view/"
                    },
                    "event": {
                        "far": 8.143126851240491e-06,
                        "time": "2023-08-13T15:22:54.735Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 407.6868881613244,
                        "area_90": 1345.1778898621978,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.7879824734802353,
                            "HasMassGap": 0.8694444159984858,
                            "HasRemnant": 0.005897456492202827
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "441306fb0aee7e1e797d4623d5a42ba5",
                        "classification": {
                            "BBH": 0.0005114409665164686,
                            "BNS": 0.0,
                            "NSBH": 0.0040117129474557455,
                            "Terrestrial": 0.9954768460860278
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-13T15:23:26Z",
                    "superevent_id": "S230813az",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-13T15:23:27.882809Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-13T15:23:27.882831Z",
                "modified": "2023-08-13T15:23:27.886599Z"
            }
        },
        {
            "id": 144,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 389,
                "topic": "igwn.gwalert",
                "uuid": "70d5e63d-2a2b-4600-877c-8b78e097689a",
                "title": "S230619x - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230619x/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230619x/view/"
                    },
                    "event": {
                        "far": 3.92954e-06,
                        "time": "2023-06-19T05:39:00.790Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 333.1995771488333,
                        "area_90": 1168.2967541339444,
                        "duration": 0.062638,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "564c5abdab189f0175d4a9752968b646",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1146.18811
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-19T05:41:25Z",
                    "superevent_id": "S230619x",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-19T05:41:26.322550Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-19T05:41:26.322576Z",
                "modified": "2023-06-19T05:41:26.329390Z"
            }
        },
        {
            "id": 1158,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2052,
                "topic": "igwn.gwalert",
                "uuid": "f60a80fe-9b39-47dc-9247-edf48c38bf20",
                "title": "S230813bo - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230813bo/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230813bo/view/"
                    },
                    "event": {
                        "far": 1.738065438931871e-05,
                        "time": "2023-08-13T20:37:09.462Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 944.6249976851686,
                        "area_90": 3487.2650958523986,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "e74ce1eff5a0e4f57f04f61f2d933a79",
                        "classification": {
                            "BBH": 0.11403040321990125,
                            "BNS": 1.7520953521409154e-14,
                            "NSBH": 1.233111796281888e-12,
                            "Terrestrial": 0.8859695967788481
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-13T20:37:30Z",
                    "superevent_id": "S230813bo",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-13T20:37:32.024394Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-13T20:37:32.024413Z",
                "modified": "2023-08-13T20:37:32.031393Z"
            }
        },
        {
            "id": 579,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1108,
                "topic": "igwn.gwalert",
                "uuid": "fbcd84c7-9418-4090-8349-03759a43a488",
                "title": "S230710ar - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230710ar/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230710ar/view/"
                    },
                    "event": {
                        "far": 1.919228e-05,
                        "time": "2023-07-10T20:29:08.766Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 979.2458605501292,
                        "area_90": 3976.573291010509,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.7057398564699576,
                            "HasMassGap": 0.22391372857955683,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "aa2e6c1ff40dbee35e7141c14eb9e813",
                        "classification": {
                            "BBH": 0.026738369,
                            "BNS": 0.0,
                            "NSBH": 3.3556e-05,
                            "Terrestrial": 0.973228075
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-10T20:29:37Z",
                    "superevent_id": "S230710ar",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-10T20:29:38.589640Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-10T20:29:38.589665Z",
                "modified": "2023-07-10T20:29:38.597497Z"
            }
        },
        {
            "id": 1160,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2059,
                "topic": "igwn.gwalert",
                "uuid": "5ecbff24-a05e-4264-8827-07166d6204b9",
                "title": "S230814g - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230814g/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230814g/view/"
                    },
                    "event": {
                        "far": 8.9724e-06,
                        "time": "2023-08-14T01:52:37.184Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 1190.1183889094345,
                        "area_90": 4381.952121647503,
                        "duration": 0.018781,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "92e53e0d0b417ba7ea517210cfb18692",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 41.598381
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-14T01:53:31Z",
                    "superevent_id": "S230814g",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-14T01:53:32.851569Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-14T01:53:32.851602Z",
                "modified": "2023-08-14T01:53:32.857834Z"
            }
        },
        {
            "id": 290,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 655,
                "topic": "igwn.gwalert",
                "uuid": "1bb6ab4b-3bd1-41c0-99c3-1601a6af4a7b",
                "title": "S230627c - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230627c/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230627c/view/"
                    },
                    "event": {
                        "far": 1.978269478787686e-16,
                        "time": "2023-06-27T01:53:37.821Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 171.42572703438086,
                        "area_90": 744.4534633023052,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.12414676853848775,
                            "HasMassGap": 0.19444764942451656,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "b7a9c7ac4e6a2159e49f5a083a43b584",
                        "classification": {
                            "BBH": 0.9927648977677621,
                            "BNS": 1.0176287236372884e-87,
                            "NSBH": 0.007235100927511826,
                            "Terrestrial": 1.3047261049337067e-09
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-27T01:54:09Z",
                    "superevent_id": "S230627c",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-27T01:54:10.367253Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-27T01:54:10.367294Z",
                "modified": "2023-06-27T01:54:10.372471Z"
            }
        },
        {
            "id": 1162,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2061,
                "topic": "igwn.gwalert",
                "uuid": "32f3a29f-f4ac-43b2-9995-427a5a02faf4",
                "title": "S230814j - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230814j/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230814j/view/"
                    },
                    "event": {
                        "far": 3.500771664847904e-06,
                        "time": "2023-08-14T03:18:04.116Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1737.5476689984184,
                        "area_90": 6589.294408552872,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.08369290680743711,
                            "HasMassGap": 0.2686368214971077,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9a42027f7eae77d38a0370fdd5d617f8",
                        "classification": {
                            "BBH": 0.9376131970597544,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.06238680294024557
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-14T03:18:30Z",
                    "superevent_id": "S230814j",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-14T03:18:30.988600Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-14T03:18:30.988619Z",
                "modified": "2023-08-14T03:18:30.996241Z"
            }
        },
        {
            "id": 581,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1116,
                "topic": "igwn.gwalert",
                "uuid": "687cfa1d-249c-4c20-9880-2cdea87e0306",
                "title": "S230711b - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230711b/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230711b/view/"
                    },
                    "event": {
                        "far": 4.809691090081554e-07,
                        "time": "2023-07-11T02:07:05.119Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1240.8956544447103,
                        "area_90": 4774.74154760633,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "ee51cc1613e84024cecd57dd163113c4",
                        "classification": {
                            "BBH": 0.791753769735562,
                            "BNS": 6.592266613250213e-17,
                            "NSBH": 5.1943672223430066e-15,
                            "Terrestrial": 0.20824623026443267
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-11T02:07:30Z",
                    "superevent_id": "S230711b",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-11T02:07:31.189552Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-11T02:07:31.189580Z",
                "modified": "2023-07-11T02:07:31.199617Z"
            }
        },
        {
            "id": 1164,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2063,
                "topic": "igwn.gwalert",
                "uuid": "1ee87eba-8c85-4aea-92b6-9ba05770edd0",
                "title": "S230814r - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230814r/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230814r/view/"
                    },
                    "event": {
                        "far": 4.81025672627311e-08,
                        "time": "2023-08-14T06:19:20.458Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 973.5806284449537,
                        "area_90": 3752.481887739128,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "fe69603f8d8fe44a2effa8f0ce4d206b",
                        "classification": {
                            "BBH": 0.9316934799569384,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.06830652004306159
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-14T06:19:47Z",
                    "superevent_id": "S230814r",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-14T06:19:48.220616Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-14T06:19:48.220652Z",
                "modified": "2023-08-14T06:19:48.228386Z"
            }
        },
        {
            "id": 36,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 145,
                "topic": "igwn.gwalert",
                "uuid": "c898a88f-ff5e-46de-83c1-a8ef8989ece1",
                "title": "S230604z - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230604z/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230604z/view/"
                    },
                    "event": {
                        "far": 2.693441465960436e-07,
                        "time": "2023-06-04T09:20:31.321Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 287.3007059263476,
                        "area_90": 2480.952015244209,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.5941427725688592,
                            "HasMassGap": 0.01661064425770308,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "057ad1c642ee72f1219ebd38dd8a5528",
                        "classification": {
                            "BBH": 0.7061956992397619,
                            "BNS": 3.6054262797413515e-19,
                            "NSBH": 0.0423002585795029,
                            "Terrestrial": 0.2515040421807352
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-04T09:21:10Z",
                    "superevent_id": "S230604z",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-04T09:21:11.556648Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-04T09:21:11.556672Z",
                "modified": "2023-06-04T09:21:11.564338Z"
            }
        },
        {
            "id": 583,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1119,
                "topic": "igwn.gwalert",
                "uuid": "0cc479b4-53a5-48b0-87a6-bc28369435a4",
                "title": "S230711j - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230711j/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230711j/view/"
                    },
                    "event": {
                        "far": 2.107813088514376e-05,
                        "time": "2023-07-11T04:09:23.964Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 11234.78473479668,
                        "area_90": 30093.712942691604,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.4707181849693358,
                            "HasRemnant": 0.877965947093221
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c823695e769fff71f8f01b731ce514d2",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.1741993849522439,
                            "NSBH": 0.05266426922990946,
                            "Terrestrial": 0.7731363458178466
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-11T04:09:56Z",
                    "superevent_id": "S230711j",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-11T04:09:58.023729Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-11T04:09:58.023752Z",
                "modified": "2023-07-11T04:09:58.030857Z"
            }
        },
        {
            "id": 1555,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2658,
                "topic": "igwn.gwalert",
                "uuid": "dd0f8b09-7d0d-4a44-995c-c1e6a4c4f8c5",
                "title": "S230902ak - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230902ak/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230902ak/view/"
                    },
                    "event": {
                        "far": 1.86989018402528e-05,
                        "time": "2023-09-02T15:43:56.802Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 5785.251096440574,
                        "area_90": 22731.429086899247,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.6525238397057495,
                            "HasMassGap": 0.1341894143702098,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "fd47f83f7f50794933d55a6d4c5584aa",
                        "classification": {
                            "BBH": 0.03495828032109164,
                            "BNS": 0.0,
                            "NSBH": 0.1441723280282503,
                            "Terrestrial": 0.820869391650658
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-09-02T15:45:01Z",
                    "superevent_id": "S230902ak",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-09-02T15:45:02.487224Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-09-02T15:45:02.487243Z",
                "modified": "2023-09-02T15:45:02.491183Z"
            }
        },
        {
            "id": 1168,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2084,
                "topic": "igwn.gwalert",
                "uuid": "deed0935-14cf-40d4-94f0-38c39464112c",
                "title": "S230814ah - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230814ah/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230814ah/view/"
                    },
                    "event": {
                        "far": 1.846774159306684e-21,
                        "time": "2023-08-14T23:09:01.810Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 8061.41546225326,
                        "area_90": 24222.01460079428,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "bb95f337e6d58171c54c8e09fa4dcd76",
                        "classification": {
                            "BBH": 0.9999999999999799,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 2.0095036745715333e-14
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-14T23:09:29Z",
                    "superevent_id": "S230814ah",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-14T23:09:31.124757Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-14T23:09:31.124778Z",
                "modified": "2023-08-14T23:09:31.128592Z"
            }
        },
        {
            "id": 146,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 393,
                "topic": "igwn.gwalert",
                "uuid": "183f96d9-9806-4f0c-a416-c86bfe8799e2",
                "title": "S230619aa - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230619aa/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230619aa/view/"
                    },
                    "event": {
                        "far": 7.879159966250882e-06,
                        "time": "2023-06-19T06:10:26.262Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 3608.962674408018,
                        "area_90": 13888.631240954392,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.5507450709845924,
                            "HasRemnant": 0.8215558809536104
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a939a9e41843b838b5deda8536b7fc5f",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.35608646802602034,
                            "NSBH": 0.02196672930731868,
                            "Terrestrial": 0.621946802666661
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-19T06:10:49Z",
                    "superevent_id": "S230619aa",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-19T06:10:51.548866Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-19T06:10:51.548895Z",
                "modified": "2023-06-19T06:10:51.555852Z"
            }
        },
        {
            "id": 585,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1122,
                "topic": "igwn.gwalert",
                "uuid": "8200218a-bc25-4467-85db-53be8caa8c37",
                "title": "S230711aa - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230711aa/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230711aa/view/"
                    },
                    "event": {
                        "far": 1.21224e-05,
                        "time": "2023-07-11T06:44:56.635Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 1409.1740303095494,
                        "area_90": 4096.592282275706,
                        "duration": 0.017786,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7c382719d969a51a4199f8415dcd53a3",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 35.237728
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-11T06:48:48Z",
                    "superevent_id": "S230711aa",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-11T06:48:49.886633Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-11T06:48:49.886664Z",
                "modified": "2023-07-11T06:48:49.897422Z"
            }
        },
        {
            "id": 1171,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2090,
                "topic": "igwn.gwalert",
                "uuid": "536840e3-934d-4bc4-814d-463b0bea2b50",
                "title": "S230815g - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230815g/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230815g/view/"
                    },
                    "event": {
                        "far": 6.416614374983498e-06,
                        "time": "2023-08-15T05:45:52.728Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1166.827990254825,
                        "area_90": 6569.990654713015,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a7cbf019cf17ebe996047905a1fa9001",
                        "classification": {
                            "BBH": 0.2315667722666192,
                            "BNS": 1.154862903620145e-14,
                            "NSBH": 8.751158230786111e-13,
                            "Terrestrial": 0.7684332277324941
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-15T05:46:17Z",
                    "superevent_id": "S230815g",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-15T05:46:18.277994Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-15T05:46:18.278023Z",
                "modified": "2023-08-15T05:46:18.284031Z"
            }
        },
        {
            "id": 1569,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2672,
                "topic": "igwn.gwalert",
                "uuid": "c824f5ed-dd07-40d4-b67f-3d141aac41e9",
                "title": "S230903k - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230903k/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230903k/view/"
                    },
                    "event": {
                        "far": 8.492105e-06,
                        "time": "2023-09-03T04:51:49.036Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 655.907983732527,
                        "area_90": 2934.1705836582396,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "df2b710aec2a5398c7abdacb959a507e",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0014203,
                            "NSBH": 0.000666782,
                            "Terrestrial": 0.997912918
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-09-03T04:52:21Z",
                    "superevent_id": "S230903k",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-09-03T04:52:23.124718Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-09-03T04:52:23.124737Z",
                "modified": "2023-09-03T04:52:23.130133Z"
            }
        },
        {
            "id": 1173,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2093,
                "topic": "igwn.gwalert",
                "uuid": "f6d4bf69-7dcd-4562-a153-5eecd9c59b23",
                "title": "S230815n - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230815n/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230815n/view/"
                    },
                    "event": {
                        "far": 1.93799e-05,
                        "time": "2023-08-15T08:37:03.359Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 488.4689015128991,
                        "area_90": 1494.15251188718,
                        "duration": 0.013647,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "802c035a4a6d763f4b0c6e6017c88238",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 149.008377
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-15T08:40:50Z",
                    "superevent_id": "S230815n",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-15T08:40:51.568952Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-15T08:40:51.568973Z",
                "modified": "2023-08-15T08:40:51.573988Z"
            }
        },
        {
            "id": 587,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1127,
                "topic": "igwn.gwalert",
                "uuid": "9e55f125-24c1-455f-8995-42e1b7420425",
                "title": "S230711ae - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230711ae/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230711ae/view/"
                    },
                    "event": {
                        "far": 5.260694413578515e-06,
                        "time": "2023-07-11T08:23:19.989Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1072.6172785798715,
                        "area_90": 4965.261205069264,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.026260429225946468,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "6d653f8b5d717b506502198f1e343bae",
                        "classification": {
                            "BBH": 0.27316249331722264,
                            "BNS": 1.4241432773804579e-12,
                            "NSBH": 1.063681568675643e-10,
                            "Terrestrial": 0.726837506574985
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-11T08:23:41Z",
                    "superevent_id": "S230711ae",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-11T08:23:42.735974Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-11T08:23:42.736012Z",
                "modified": "2023-07-11T08:23:42.743516Z"
            }
        },
        {
            "id": 1175,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2095,
                "topic": "igwn.gwalert",
                "uuid": "33a1c43e-c4af-4e10-ae32-f6afe378bf4a",
                "title": "S230815p - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230815p/files/olib.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230815p/view/"
                    },
                    "event": {
                        "far": 2.643944327540919e-06,
                        "time": "2023-08-15T08:56:18.693Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 4689.972889440001,
                        "area_90": 23362.577908098046,
                        "duration": 0.011010804799061392,
                        "pipeline": "oLIB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "ad3d6dc7700e75aa72039cda7ea73352",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 467.52895531562467
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-15T09:12:55Z",
                    "superevent_id": "S230815p",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-15T09:12:56.683222Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-15T09:12:56.683258Z",
                "modified": "2023-08-15T09:12:56.687797Z"
            }
        },
        {
            "id": 294,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 662,
                "topic": "igwn.gwalert",
                "uuid": "0f33f13d-f8d8-4b24-a463-1f1609db8605",
                "title": "S230627m - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230627m/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230627m/view/"
                    },
                    "event": {
                        "far": 3.55524e-06,
                        "time": "2023-06-27T04:54:07.939Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 2239.2354454233932,
                        "area_90": 6451.650250738241,
                        "duration": 0.016618,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "eb4bbeee7b2c2cfab638ad0012272e64",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 39.56488
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-27T04:56:46Z",
                    "superevent_id": "S230627m",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-27T04:56:48.030307Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-27T04:56:48.030331Z",
                "modified": "2023-06-27T04:56:48.035235Z"
            }
        },
        {
            "id": 1177,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2101,
                "topic": "igwn.gwalert",
                "uuid": "d4e15a59-fc70-4b55-8694-12b151dc004c",
                "title": "S230815r - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230815r/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230815r/view/"
                    },
                    "event": {
                        "far": 4.82477833751343e-06,
                        "time": "2023-08-15T09:59:03.011Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2084.8054147045386,
                        "area_90": 7405.927125343339,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "6e311aa07ff5d22b2f1ec56daa799ccf",
                        "classification": {
                            "BBH": 0.28976856755206165,
                            "BNS": 2.2651343902916698e-13,
                            "NSBH": 1.7042661368610876e-11,
                            "Terrestrial": 0.7102314324306691
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-15T09:59:30Z",
                    "superevent_id": "S230815r",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-15T09:59:31.389398Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-15T09:59:31.389418Z",
                "modified": "2023-08-15T09:59:31.393102Z"
            }
        },
        {
            "id": 589,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1130,
                "topic": "igwn.gwalert",
                "uuid": "82983c9d-3fd1-4bfa-bde4-5568b0b14fd8",
                "title": "S230711aj - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230711aj/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230711aj/view/"
                    },
                    "event": {
                        "far": 1.189258000522386e-05,
                        "time": "2023-07-11T09:06:25.461Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 6487.7398774823205,
                        "area_90": 20592.908878901195,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.5213539472443225,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "6be897738b22c324840eaa17e072e515",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.1688928822942667,
                            "NSBH": 0.010229466399526812,
                            "Terrestrial": 0.8208776513062065
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-11T09:06:48Z",
                    "superevent_id": "S230711aj",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-11T09:06:50.486504Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-11T09:06:50.486524Z",
                "modified": "2023-07-11T09:06:50.493740Z"
            }
        },
        {
            "id": 1179,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2115,
                "topic": "igwn.gwalert",
                "uuid": "4b084d4f-e559-4b78-9410-314f727a1131",
                "title": "S230816h - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230816h/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230816h/view/"
                    },
                    "event": {
                        "far": 1.08724e-05,
                        "time": "2023-08-16T06:27:06.375Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 2029.4120341206014,
                        "area_90": 7662.750980777955,
                        "duration": 0.051791,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "631a06a5bb1bd3e77b58a5fc451369a6",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 20.541059
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-16T06:29:14Z",
                    "superevent_id": "S230816h",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-16T06:29:15.342122Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-16T06:29:15.342144Z",
                "modified": "2023-08-16T06:29:15.347326Z"
            }
        },
        {
            "id": 1585,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2692,
                "topic": "igwn.gwalert",
                "uuid": "0e17ea6c-7b67-4e32-8ab9-017a6b1b6c76",
                "title": "S230904j - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230904j/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230904j/view/"
                    },
                    "event": {
                        "far": 2.156839686724271e-05,
                        "time": "2023-09-04T04:12:45.198Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1504.0142122184113,
                        "area_90": 5316.9252424127435,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "adcf70a5a97cbe362a6cfefcacf14f1f",
                        "classification": {
                            "BBH": 0.07095774876433276,
                            "BNS": 1.7293679797428932e-15,
                            "NSBH": 1.3560628160036846e-13,
                            "Terrestrial": 0.9290422512355299
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-09-04T04:13:07Z",
                    "superevent_id": "S230904j",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-09-04T04:13:08.866206Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-09-04T04:13:08.866226Z",
                "modified": "2023-09-04T04:13:08.869856Z"
            }
        },
        {
            "id": 1181,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2117,
                "topic": "igwn.gwalert",
                "uuid": "faada116-e004-404d-89e5-32c3cceffd95",
                "title": "S230816j - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230816j/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230816j/view/"
                    },
                    "event": {
                        "far": 2.27564e-05,
                        "time": "2023-08-16T06:45:33.063Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 949.2411127338297,
                        "area_90": 3645.0523011520977,
                        "duration": 0.017607,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "fbd37bb27e61f783c9e70df5f5a002b9",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 80.982971
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-16T06:46:33Z",
                    "superevent_id": "S230816j",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-16T06:46:34.044251Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-16T06:46:34.044273Z",
                "modified": "2023-08-16T06:46:34.048051Z"
            }
        },
        {
            "id": 591,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1134,
                "topic": "igwn.gwalert",
                "uuid": "404bc01d-34f2-4a35-93fd-bf37dec5d861",
                "title": "S230711ao - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230711ao/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230711ao/view/"
                    },
                    "event": {
                        "far": 8.0179e-06,
                        "time": "2023-07-11T10:44:10.197Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 2082.0777103576024,
                        "area_90": 6586.356880794633,
                        "duration": 0.026652,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7c0713e2bb661f8e7742aa36427860e2",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 36.056526
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-11T10:47:06Z",
                    "superevent_id": "S230711ao",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-11T10:47:07.038513Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-11T10:47:07.038535Z",
                "modified": "2023-07-11T10:47:07.043243Z"
            }
        },
        {
            "id": 1183,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2119,
                "topic": "igwn.gwalert",
                "uuid": "e367a1c8-5609-4a73-b7bb-c5213ba95229",
                "title": "S230816r - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230816r/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230816r/view/"
                    },
                    "event": {
                        "far": 1.118576074077282e-05,
                        "time": "2023-08-16T08:25:37.857Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1855.888072973193,
                        "area_90": 6296.380926374174,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.23312112575030924,
                            "HasMassGap": 0.05437392228570349,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "4c7920741d50df51ce9c1621948fc401",
                        "classification": {
                            "BBH": 0.15583565518847528,
                            "BNS": 0.0,
                            "NSBH": 0.012152655549077386,
                            "Terrestrial": 0.8320116892624473
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-16T08:26:06Z",
                    "superevent_id": "S230816r",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-16T08:26:07.079376Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-16T08:26:07.079411Z",
                "modified": "2023-08-16T08:26:07.083324Z"
            }
        },
        {
            "id": 296,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 665,
                "topic": "igwn.gwalert",
                "uuid": "54228a8f-7e6a-4b3f-a518-7aa4d33d9339",
                "title": "S230627o - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230627o/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230627o/view/"
                    },
                    "event": {
                        "far": 1.4899e-05,
                        "time": "2023-06-27T05:20:26.524Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 1883.3749398538582,
                        "area_90": 5590.534970751583,
                        "duration": 0.007729,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "840525b76fbe4ad7500fde0589cb437b",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 131.807678
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-27T05:21:52Z",
                    "superevent_id": "S230627o",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-27T05:21:54.117927Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-27T05:21:54.117952Z",
                "modified": "2023-06-27T05:21:54.123219Z"
            }
        },
        {
            "id": 1185,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2121,
                "topic": "igwn.gwalert",
                "uuid": "ed399e85-6075-456b-ae5f-3f238f0c431b",
                "title": "S230816t - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230816t/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230816t/view/"
                    },
                    "event": {
                        "far": 1.02048e-05,
                        "time": "2023-08-16T08:54:40.527Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 1722.2305599733147,
                        "area_90": 7010.6198184488785,
                        "duration": 0.065841,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c5132e72491552d0d6e788381abb1906",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 24.258614
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-16T08:55:57Z",
                    "superevent_id": "S230816t",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-16T08:55:58.852774Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-16T08:55:58.852794Z",
                "modified": "2023-08-16T08:55:58.856438Z"
            }
        },
        {
            "id": 593,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1137,
                "topic": "igwn.gwalert",
                "uuid": "d5a71fca-13b2-4c18-aeb5-779d9904aeed",
                "title": "S230711bb - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230711bb/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230711bb/view/"
                    },
                    "event": {
                        "far": 1.973032629675272e-05,
                        "time": "2023-07-11T20:53:11.746Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 688.6404358957625,
                        "area_90": 2516.202348343079,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.010069930069930072,
                            "HasRemnant": 0.0053187219443639475
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "298e2ceeba25e65e27b8fc4d6a2782cf",
                        "classification": {
                            "BBH": 0.00056915688717942,
                            "BNS": 0.0,
                            "NSBH": 0.0015903601219178257,
                            "Terrestrial": 0.9978404829909028
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-11T20:53:41Z",
                    "superevent_id": "S230711bb",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-11T20:53:43.441135Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-11T20:53:43.441173Z",
                "modified": "2023-07-11T20:53:43.452912Z"
            }
        },
        {
            "id": 1187,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2124,
                "topic": "igwn.gwalert",
                "uuid": "c6ffd059-70de-489f-9c3a-0010bdf12aaf",
                "title": "S230816v - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230816v/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230816v/view/"
                    },
                    "event": {
                        "far": 9.05584e-06,
                        "time": "2023-08-16T09:56:48.949Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 2841.8482826850113,
                        "area_90": 8563.313062089537,
                        "duration": 0.020013,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c0e476fef421e8266e1208504ab472e6",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 43.599636
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-16T09:57:56Z",
                    "superevent_id": "S230816v",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-16T09:57:57.097827Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-16T09:57:57.097849Z",
                "modified": "2023-08-16T09:57:57.101691Z"
            }
        },
        {
            "id": 148,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 399,
                "topic": "igwn.gwalert",
                "uuid": "8d443bb0-03e5-4266-935c-8258582d82c8",
                "title": "S230619ap - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230619ap/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230619ap/view/"
                    },
                    "event": {
                        "far": 4.950385e-06,
                        "time": "2023-06-19T11:48:57.449Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1036.7374752470942,
                        "area_90": 3788.571514483208,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.4598938373161195,
                            "HasMassGap": 0.03355579322638146,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "cb0bb0ce256a626e73736c98f09c0d0e",
                        "classification": {
                            "BBH": 0.092377359,
                            "BNS": 0.0,
                            "NSBH": 0.000218408,
                            "Terrestrial": 0.907404235
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-19T11:49:25Z",
                    "superevent_id": "S230619ap",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-19T11:49:26.645369Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-19T11:49:26.645396Z",
                "modified": "2023-06-19T11:49:26.652571Z"
            }
        },
        {
            "id": 1189,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2127,
                "topic": "igwn.gwalert",
                "uuid": "1a66f911-cdbc-4744-877c-74250e146ab4",
                "title": "S230816ac - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230816ac/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230816ac/view/"
                    },
                    "event": {
                        "far": 2.22191e-05,
                        "time": "2023-08-16T12:09:34.137Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 351.664037343479,
                        "area_90": 1122.1356036473303,
                        "duration": 0.006814,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "aa8d0a6387ca8b2fdbe9d0880887fb41",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 111.547371
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-16T12:11:02Z",
                    "superevent_id": "S230816ac",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-16T12:11:02.643746Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-16T12:11:02.643766Z",
                "modified": "2023-08-16T12:11:02.647588Z"
            }
        },
        {
            "id": 595,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1142,
                "topic": "igwn.gwalert",
                "uuid": "cc2e2276-0818-4dc9-8dd7-ed2631b5be9d",
                "title": "S230712a - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230712a/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230712a/view/"
                    },
                    "event": {
                        "far": 3.269084773921507e-15,
                        "time": "2023-07-12T00:53:57.744Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 246.4900524279546,
                        "area_90": 1694.5338696813462,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.027729234280622298,
                            "HasMassGap": 0.8148078916020836,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "bebb5d87754230344f7bde6d3622dfa2",
                        "classification": {
                            "BBH": 0.9965263525311823,
                            "BNS": 2.048719536894425e-21,
                            "NSBH": 0.003473632311756423,
                            "Terrestrial": 1.5157061272752514e-08
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-12T00:54:53Z",
                    "superevent_id": "S230712a",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-12T00:54:54.658684Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-12T00:54:54.658718Z",
                "modified": "2023-07-12T00:54:54.664301Z"
            }
        },
        {
            "id": 1191,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2132,
                "topic": "igwn.gwalert",
                "uuid": "54b1f85b-5214-4f28-bac2-c85d76632836",
                "title": "S230816af - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230816af/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230816af/view/"
                    },
                    "event": {
                        "far": 1.63689e-05,
                        "time": "2023-08-16T15:10:40.047Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 4914.064292711382,
                        "area_90": 14712.817600551756,
                        "duration": 0.053672,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "8ed385705a6a742e842758253b6d7e37",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 20.38846
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-16T15:11:38Z",
                    "superevent_id": "S230816af",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-16T15:11:40.251264Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-16T15:11:40.251286Z",
                "modified": "2023-08-16T15:11:40.256875Z"
            }
        },
        {
            "id": 298,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 668,
                "topic": "igwn.gwalert",
                "uuid": "83b70c52-c260-42b0-92b5-1a0f958ef43f",
                "title": "S230627v - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230627v/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230627v/view/"
                    },
                    "event": {
                        "far": 1.078086461347993e-05,
                        "time": "2023-06-27T05:42:27.362Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 3849.839950583623,
                        "area_90": 12810.978200503254,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "358a86251a10fdf65dd02830313f24d0",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.16977270211612225,
                            "NSBH": 0.0,
                            "Terrestrial": 0.8302272978838777
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-27T05:42:53Z",
                    "superevent_id": "S230627v",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-27T05:42:54.245706Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-27T05:42:54.245729Z",
                "modified": "2023-06-27T05:42:54.250604Z"
            }
        },
        {
            "id": 1193,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2137,
                "topic": "igwn.gwalert",
                "uuid": "d968b28a-8011-4762-8b11-76e60b0d0ce5",
                "title": "S230816aj - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230816aj/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230816aj/view/"
                    },
                    "event": {
                        "far": 2.17895e-05,
                        "time": "2023-08-16T17:30:51.597Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 488.25907810159634,
                        "area_90": 2135.163033417209,
                        "duration": 0.079521,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "5d54a94d0ded57af519d503d6c6773ec",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 330.66217
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-16T17:33:02Z",
                    "superevent_id": "S230816aj",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-16T17:33:04.609763Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-16T17:33:04.609786Z",
                "modified": "2023-08-16T17:33:04.613741Z"
            }
        },
        {
            "id": 597,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1145,
                "topic": "igwn.gwalert",
                "uuid": "380d3370-54db-432b-833e-a1bb200488dc",
                "title": "S230712d - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230712d/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230712d/view/"
                    },
                    "event": {
                        "far": 9.77559e-07,
                        "time": "2023-07-12T01:33:43.330Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 52.8754996483035,
                        "area_90": 454.0578620592413,
                        "duration": 0.00609,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "ab53a5cbed3bec80afd4dd1dc6694267",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 557.293884
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-12T01:35:12Z",
                    "superevent_id": "S230712d",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-12T01:35:13.577704Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-12T01:35:13.577724Z",
                "modified": "2023-07-12T01:35:13.584508Z"
            }
        },
        {
            "id": 1195,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2139,
                "topic": "igwn.gwalert",
                "uuid": "a295da58-091f-4b5a-9ea2-d532a799d21c",
                "title": "S230816an - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230816an/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230816an/view/"
                    },
                    "event": {
                        "far": 1.63749e-05,
                        "time": "2023-08-16T18:01:58.701Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1268.1726979140733,
                        "area_90": 4706.758762344223,
                        "duration": 0.006557,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "f9f227de85bc71e991f3107adc74f1e8",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1135.166382
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-16T18:03:22Z",
                    "superevent_id": "S230816an",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-16T18:03:23.503051Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-16T18:03:23.503071Z",
                "modified": "2023-08-16T18:03:23.506901Z"
            }
        },
        {
            "id": 74,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 240,
                "topic": "igwn.gwalert",
                "uuid": "fbf52e9c-82dc-4b79-bfb5-7b563f56f8d6",
                "title": "S230613at - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230613at/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230613at/view/"
                    },
                    "event": {
                        "far": 5.32948e-06,
                        "time": "2023-06-13T21:53:38.715Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 333.1995771488333,
                        "area_90": 1143.9572384228206,
                        "duration": 0.017969,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "f4bf53f2cfd653ff10bff9091b9eed5e",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 52.21003
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-06-13T21:54:41Z",
                    "superevent_id": "S230613at",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-06-13T21:54:42.817259Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-06-13T21:54:42.817302Z",
                "modified": "2023-06-13T21:54:42.825379Z"
            }
        },
        {
            "id": 1197,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2151,
                "topic": "igwn.gwalert",
                "uuid": "6e596fd1-5aa5-4ed2-a104-e2d2209191d8",
                "title": "S230817a - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230817a/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230817a/view/"
                    },
                    "event": {
                        "far": 1.81391e-05,
                        "time": "2023-08-17T01:51:55.410Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1163.2609922626775,
                        "area_90": 4448.256319619184,
                        "duration": 0.015834,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "18e68d0aba8ad27d70fa1ea5c254f3f7",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1055.947144
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-17T01:53:48Z",
                    "superevent_id": "S230817a",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-17T01:53:49.530657Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-17T01:53:49.530679Z",
                "modified": "2023-08-17T01:53:49.536144Z"
            }
        },
        {
            "id": 1624,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2754,
                "topic": "igwn.gwalert",
                "uuid": "ce45e282-e0f9-4e38-8594-cb99dbd6fa55",
                "title": "S230907o - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230907o/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230907o/view/"
                    },
                    "event": {
                        "far": 4.891190106616283e-06,
                        "time": "2023-09-07T06:41:53.342Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 979.455683961432,
                        "area_90": 3505.7295560470443,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c1cb4d844757ca42d6832d85de5e5a7c",
                        "classification": {
                            "BBH": 0.29402419335405433,
                            "BNS": 1.4624558248682907e-13,
                            "NSBH": 1.0176847611165668e-11,
                            "Terrestrial": 0.7059758066356225
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-09-07T06:42:19Z",
                    "superevent_id": "S230907o",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-09-07T06:42:20.492945Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-09-07T06:42:20.492963Z",
                "modified": "2023-09-07T06:42:20.497631Z"
            }
        },
        {
            "id": 1199,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 2154,
                "topic": "igwn.gwalert",
                "uuid": "46bb0b9b-eced-4ca4-a975-50ea84f4ca6f",
                "title": "S230817d - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230817d/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230817d/view/"
                    },
                    "event": {
                        "far": 1.712395316147278e-05,
                        "time": "2023-08-17T06:33:11.343Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1513.2464423157342,
                        "area_90": 5832.2515405724,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "3c34245f4f52fb5d7288fe841f98ff8b",
                        "classification": {
                            "BBH": 0.0923346348744289,
                            "BNS": 5.7550986709559884e-15,
                            "NSBH": 2.684217511798163e-11,
                            "Terrestrial": 0.9076653650987232
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-08-17T06:33:48Z",
                    "superevent_id": "S230817d",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-08-17T06:33:49.397170Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-08-17T06:33:49.397208Z",
                "modified": "2023-08-17T06:33:49.404293Z"
            }
        },
        {
            "id": 600,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1151,
                "topic": "igwn.gwalert",
                "uuid": "5d0bde05-6d61-45d3-85d8-dc8ab40f95f8",
                "title": "S230712k - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230712k/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230712k/view/"
                    },
                    "event": {
                        "far": 1.738032403639201e-06,
                        "time": "2023-07-12T02:46:38.261Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 469.217603525868,
                        "area_90": 1839.7316703028782,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.9275433996919592,
                            "HasMassGap": 0.12247131635533166,
                            "HasRemnant": 0.0003956308544061896
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9d39b2925b1dbec3f5c9cbdf4a7d6d4b",
                        "classification": {
                            "BBH": 0.00016939079669810392,
                            "BNS": 8.511240018966765e-06,
                            "NSBH": 0.010906029955507853,
                            "Terrestrial": 0.9889160680077751
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-12T02:47:16Z",
                    "superevent_id": "S230712k",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-12T02:47:16.963462Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-12T02:47:16.963495Z",
                "modified": "2023-07-12T02:47:16.972924Z"
            }
        },
        {
            "id": 530,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1032,
                "topic": "igwn.gwalert",
                "uuid": "4f0049ea-5c17-4df0-81e4-ba6003e5b284",
                "title": "S230708bv - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230708bv/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230708bv/view/"
                    },
                    "event": {
                        "far": 5.297918505675625e-06,
                        "time": "2023-07-08T19:20:11.292Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1008.2014913099144,
                        "area_90": 17974.312705842356,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.5406016541690124,
                            "HasMassGap": 0.11567112490054735,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "e7a8dc8e30e8807e24c4ae80861edb46",
                        "classification": {
                            "BBH": 0.052747994023685095,
                            "BNS": 0.0,
                            "NSBH": 0.2887422772491084,
                            "Terrestrial": 0.6585097287272066
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-08T19:24:47Z",
                    "superevent_id": "S230708bv",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-08T19:24:48.770371Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-08T19:24:48.770396Z",
                "modified": "2023-07-08T19:24:48.777189Z"
            }
        }
    ]
}