GET /api/v0/nonlocalizedeventsequence/?format=api&offset=7600&ordering=id
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 11124,
    "next": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=7700&ordering=id",
    "previous": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=7500&ordering=id",
    "results": [
        {
            "id": 7601,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172011,
                "topic": "igwn.gwalert",
                "uuid": "b39927e9-71b0-4815-8002-07dc4e20b94f",
                "title": "S250128bg - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "gracedb": "https://gracedb.ligo.org/superevents/S250128bg/view/"
                    },
                    "event": {
                        "far": 1.8078687002297524e-05,
                        "time": "2025-01-28T07:59:25.333Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 7124.763754197596,
                        "area_90": 22597.14210366546,
                        "duration": 0.375,
                        "pipeline": "MLy",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "e367a40254cc32465719eb539e1245aa",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 44.49359152048337
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-28T08:04:54Z",
                    "superevent_id": "S250128bg",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-28T08:04:55.740252Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-28T08:04:55.740293Z",
                "modified": "2025-01-28T08:04:55.749422Z"
            }
        },
        {
            "id": 7602,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172118,
                "topic": "igwn.gwalert",
                "uuid": "54ec594d-ee2f-4e3f-ae2a-3a4bc120a934",
                "title": "S250128bl - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250128bl/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250128bl/view/"
                    },
                    "event": {
                        "far": 2.07707e-05,
                        "time": "2025-01-28T14:15:46.941Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 781.3823836915966,
                        "area_90": 3320.2456604553763,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "07e975a9f094ae15dae7b83f113995f3",
                        "classification": {
                            "BBH": 0.0008737008930205237,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9991262991069795
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-28T14:16:52Z",
                    "superevent_id": "S250128bl",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-28T14:16:52.933712Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-28T14:16:52.933740Z",
                "modified": "2025-01-28T14:16:52.945340Z"
            }
        },
        {
            "id": 7603,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172119,
                "topic": "igwn.gwalert",
                "uuid": "cd87f827-43c9-4c2e-8e70-59d47e208de7",
                "title": "S250128bl - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250128bl/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250128bl/view/"
                    },
                    "event": {
                        "far": 2.07707e-05,
                        "time": "2025-01-28T14:15:46.941Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 781.3823836915966,
                        "area_90": 3320.2456604553763,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "07e975a9f094ae15dae7b83f113995f3",
                        "classification": {
                            "BBH": 0.0008737008930205237,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9991262991069795
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-28T14:21:27Z",
                    "superevent_id": "S250128bl",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-28T14:21:28.251678Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-28T14:21:28.251705Z",
                "modified": "2025-01-28T14:21:28.259086Z"
            }
        },
        {
            "id": 7604,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172120,
                "topic": "igwn.gwalert",
                "uuid": "ebe0cb15-9ca1-4357-b759-e584ec1e9a09",
                "title": "S250128bp - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250128bp/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250128bp/view/"
                    },
                    "event": {
                        "far": 1.86008e-05,
                        "time": "2025-01-28T14:25:54.524Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 253.88632767637796,
                        "area_90": 1887.3615846686118,
                        "duration": 0.005883,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9d418bd870bed01e3361ba7502cea393",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 325.239319
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-28T14:28:25Z",
                    "superevent_id": "S250128bp",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-28T14:28:25.829273Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-28T14:28:25.829295Z",
                "modified": "2025-01-28T14:28:25.839391Z"
            }
        },
        {
            "id": 7605,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172123,
                "topic": "igwn.gwalert",
                "uuid": "740910be-ebb0-42d1-bafe-e2ce6446aeb5",
                "title": "S250128bp - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250128bp/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250128bp/view/"
                    },
                    "event": {
                        "far": 1.86008e-05,
                        "time": "2025-01-28T14:25:54.524Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 253.88632767637796,
                        "area_90": 1887.3615846686118,
                        "duration": 0.005883,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9d418bd870bed01e3361ba7502cea393",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 325.239319
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-28T14:33:28Z",
                    "superevent_id": "S250128bp",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-28T14:33:28.962377Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-28T14:33:28.962399Z",
                "modified": "2025-01-28T14:33:28.966017Z"
            }
        },
        {
            "id": 7606,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172127,
                "topic": "igwn.gwalert",
                "uuid": "d1741888-df77-4c69-ad8e-d2636d9f49a7",
                "title": "S250128br - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250128br/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250128br/view/"
                    },
                    "event": {
                        "far": 8.34788e-06,
                        "time": "2025-01-28T14:44:47.520Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 872.8653910196138,
                        "area_90": 3551.890706533658,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d9c5e7b2e1112a11bfa0d9ad16b2d94b",
                        "classification": {
                            "BBH": 0.0037877831126182926,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9962122168873817
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-28T14:47:58Z",
                    "superevent_id": "S250128br",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-28T14:47:59.118777Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-28T14:47:59.118800Z",
                "modified": "2025-01-28T14:47:59.124094Z"
            }
        },
        {
            "id": 7607,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172129,
                "topic": "igwn.gwalert",
                "uuid": "6f56b0bb-a51f-42fe-8835-5f42ba0e9892",
                "title": "S250128br - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250128br/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250128br/view/"
                    },
                    "event": {
                        "far": 8.34788e-06,
                        "time": "2025-01-28T14:44:47.520Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 872.8653910196138,
                        "area_90": 3551.890706533658,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d9c5e7b2e1112a11bfa0d9ad16b2d94b",
                        "classification": {
                            "BBH": 0.0037877831126182926,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9962122168873817
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-28T14:52:33Z",
                    "superevent_id": "S250128br",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-28T14:52:34.339326Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-28T14:52:34.339350Z",
                "modified": "2025-01-28T14:52:34.371877Z"
            }
        },
        {
            "id": 7608,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172360,
                "topic": "igwn.gwalert",
                "uuid": "59eb6f65-c218-4193-aa6a-de04c407fb20",
                "title": "S250129a - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129a/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129a/view/"
                    },
                    "event": {
                        "far": 2.067932e-05,
                        "time": "2025-01-29T00:03:36.148Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 563.166035936693,
                        "area_90": 1986.817881626135,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.7538701164710336,
                            "HasRemnant": 0.002098608699017899
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d6dcca8f271e987efbe7ba5405fb1a1a",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.00058825,
                            "NSBH": 0.000155713,
                            "Terrestrial": 0.999256036
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-29T00:04:04Z",
                    "superevent_id": "S250129a",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T00:04:05.234943Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T00:04:05.234972Z",
                "modified": "2025-01-29T00:04:05.247069Z"
            }
        },
        {
            "id": 7609,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172363,
                "topic": "igwn.gwalert",
                "uuid": "f1e6e960-d451-4ede-83ef-99c4bdc622e8",
                "title": "S250129a - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129a/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129a/view/"
                    },
                    "event": {
                        "far": 2.067932e-05,
                        "time": "2025-01-29T00:03:36.148Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 563.166035936693,
                        "area_90": 1986.817881626135,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.7538701164710336,
                            "HasRemnant": 0.002098608699017899
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d6dcca8f271e987efbe7ba5405fb1a1a",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.00058825,
                            "NSBH": 0.000155713,
                            "Terrestrial": 0.999256036
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-29T00:08:40Z",
                    "superevent_id": "S250129a",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T00:08:41.660337Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T00:08:41.660376Z",
                "modified": "2025-01-29T00:08:41.666980Z"
            }
        },
        {
            "id": 7610,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172369,
                "topic": "igwn.gwalert",
                "uuid": "8e844ab4-46af-4244-877c-1385d76706f9",
                "title": "S250129e - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129e/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129e/view/"
                    },
                    "event": {
                        "far": 1.94995e-05,
                        "time": "2025-01-29T00:36:44.746Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 745.2927569475164,
                        "area_90": 2382.754658754503,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.03369230769230769,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "12e15828f378225d6d9fea9ccd48bf0f",
                        "classification": {
                            "BBH": 0.001028225515610881,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9989717744843891
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-29T00:37:43Z",
                    "superevent_id": "S250129e",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T00:37:44.457328Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T00:37:44.457351Z",
                "modified": "2025-01-29T00:37:44.474009Z"
            }
        },
        {
            "id": 7611,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172370,
                "topic": "igwn.gwalert",
                "uuid": "f5c4cc6a-e375-4ee9-abdc-bfd5454fdb55",
                "title": "S250129e - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129e/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129e/view/"
                    },
                    "event": {
                        "far": 1.94995e-05,
                        "time": "2025-01-29T00:36:44.746Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 745.2927569475164,
                        "area_90": 2382.754658754503,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.03369230769230769,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "12e15828f378225d6d9fea9ccd48bf0f",
                        "classification": {
                            "BBH": 0.001028225515610881,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9989717744843891
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-29T00:42:19Z",
                    "superevent_id": "S250129e",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T00:42:20.461723Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T00:42:20.461749Z",
                "modified": "2025-01-29T00:42:20.468120Z"
            }
        },
        {
            "id": 7612,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172410,
                "topic": "igwn.gwalert",
                "uuid": "b3e9ffb5-0d09-4fe9-aa44-d5f6b7feae88",
                "title": "S250129p - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129p/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129p/view/"
                    },
                    "event": {
                        "far": 4.076108066476147e-07,
                        "time": "2025-01-29T03:50:22.860Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1893.026816773787,
                        "area_90": 7014.816286674934,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "f69b2efc2a8306544a4a4347e661aea6",
                        "classification": {
                            "BBH": 0.7981461843369828,
                            "BNS": 7.024985858808678e-13,
                            "NSBH": 5.291975659395753e-11,
                            "Terrestrial": 0.20185381560939486
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-29T03:50:53Z",
                    "superevent_id": "S250129p",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T03:50:54.125163Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T03:50:54.125186Z",
                "modified": "2025-01-29T03:50:54.129254Z"
            }
        },
        {
            "id": 7613,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172411,
                "topic": "igwn.gwalert",
                "uuid": "ba0824c2-08ae-4a2f-aea9-ec32e13151b5",
                "title": "S250129p - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129p/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129p/view/"
                    },
                    "event": {
                        "far": 4.076108066476147e-07,
                        "time": "2025-01-29T03:50:22.849Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1739.6459031114464,
                        "area_90": 6491.097052063165,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "02bb07b5b84e59a80570bcf9f2b4dae2",
                        "classification": {
                            "BBH": 0.7981461843369828,
                            "BNS": 7.024985858808678e-13,
                            "NSBH": 5.291975659395753e-11,
                            "Terrestrial": 0.20185381560939486
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-29T03:56:21Z",
                    "superevent_id": "S250129p",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T03:56:22.608655Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T03:56:22.608693Z",
                "modified": "2025-01-29T03:56:22.618668Z"
            }
        },
        {
            "id": 7614,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172419,
                "topic": "igwn.gwalert",
                "uuid": "e5c6283c-4720-4e86-a3b2-023322b5c7c3",
                "title": "S250129x - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129x/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129x/view/"
                    },
                    "event": {
                        "far": 2.0686e-05,
                        "time": "2025-01-29T04:36:22.289Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 797.3289629506088,
                        "area_90": 2319.8076353636657,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "3644caae7d123ea87f1ca9152785a159",
                        "classification": {
                            "BBH": 0.0008731205817626986,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9991268794182373
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-29T04:37:25Z",
                    "superevent_id": "S250129x",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T04:37:26.457238Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T04:37:26.457262Z",
                "modified": "2025-01-29T04:37:26.464420Z"
            }
        },
        {
            "id": 7615,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172421,
                "topic": "igwn.gwalert",
                "uuid": "059c7dd3-52bd-421c-8aca-6c3ea3f18101",
                "title": "S250129x - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129x/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129x/view/"
                    },
                    "event": {
                        "far": 2.0686e-05,
                        "time": "2025-01-29T04:36:22.289Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 797.3289629506088,
                        "area_90": 2319.8076353636657,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "3644caae7d123ea87f1ca9152785a159",
                        "classification": {
                            "BBH": 0.0008731205817626986,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9991268794182373
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-29T04:42:03Z",
                    "superevent_id": "S250129x",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T04:42:03.657874Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T04:42:03.657917Z",
                "modified": "2025-01-29T04:42:03.670116Z"
            }
        },
        {
            "id": 7616,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172501,
                "topic": "igwn.gwalert",
                "uuid": "88e07562-19c9-4cb8-9a9c-4960b9e68db3",
                "title": "S250129ag - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129ag/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129ag/view/"
                    },
                    "event": {
                        "far": 2.224315795839262e-05,
                        "time": "2025-01-29T07:39:46.710Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 865.1019248014104,
                        "area_90": 3452.8540563987412,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "4305f3cb66a5f684feec2e692f752ef7",
                        "classification": {
                            "BBH": 0.04780337051033444,
                            "BNS": 4.4875335994383325e-15,
                            "NSBH": 3.1610636331433384e-13,
                            "Terrestrial": 0.9521966294893449
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-29T07:40:13Z",
                    "superevent_id": "S250129ag",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T07:40:14.561930Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T07:40:14.561952Z",
                "modified": "2025-01-29T07:40:14.572106Z"
            }
        },
        {
            "id": 7617,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172504,
                "topic": "igwn.gwalert",
                "uuid": "6692fbdf-78a6-4fff-a06a-35a25ba46f30",
                "title": "S250129ag - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129ag/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129ag/view/"
                    },
                    "event": {
                        "far": 2.224315795839262e-05,
                        "time": "2025-01-29T07:39:46.711Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 702.4887810417468,
                        "area_90": 3175.887153479056,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "7e689bb88139fafc248358b7df29faac",
                        "classification": {
                            "BBH": 0.04780337051033444,
                            "BNS": 4.4875335994383325e-15,
                            "NSBH": 3.1610636331433384e-13,
                            "Terrestrial": 0.9521966294893449
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-29T07:44:50Z",
                    "superevent_id": "S250129ag",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T07:44:51.868618Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T07:44:51.868641Z",
                "modified": "2025-01-29T07:44:51.876590Z"
            }
        },
        {
            "id": 7618,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172527,
                "topic": "igwn.gwalert",
                "uuid": "fa2ef5e4-58b8-452e-b17e-1e4e8fc828be",
                "title": "S250129as - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129as/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129as/view/"
                    },
                    "event": {
                        "far": 1.98632e-05,
                        "time": "2025-01-29T09:21:10.258Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1063.3850484825484,
                        "area_90": 3523.3547225964794,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "5d259f2506bb727b61e19d6bb41e40e3",
                        "classification": {
                            "BBH": 0.0009797443417398632,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9990202556582601
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-29T09:22:18Z",
                    "superevent_id": "S250129as",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T09:22:19.733460Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T09:22:19.733482Z",
                "modified": "2025-01-29T09:22:19.738100Z"
            }
        },
        {
            "id": 7619,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172528,
                "topic": "igwn.gwalert",
                "uuid": "af7228be-9c4f-40e0-9171-f56f2ca47fca",
                "title": "S250129as - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129as/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129as/view/"
                    },
                    "event": {
                        "far": 1.98632e-05,
                        "time": "2025-01-29T09:21:10.258Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1063.3850484825484,
                        "area_90": 3523.3547225964794,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "5d259f2506bb727b61e19d6bb41e40e3",
                        "classification": {
                            "BBH": 0.0009797443417398632,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9990202556582601
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-29T09:27:02Z",
                    "superevent_id": "S250129as",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T09:27:02.765276Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T09:27:02.765302Z",
                "modified": "2025-01-29T09:27:02.771271Z"
            }
        },
        {
            "id": 7620,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172565,
                "topic": "igwn.gwalert",
                "uuid": "e5f88edf-fdaf-49cf-a142-594743a1bf90",
                "title": "S250129bm - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129bm/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129bm/view/"
                    },
                    "event": {
                        "far": 4.71989e-06,
                        "time": "2025-01-29T12:10:10.130Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 140.1620387502649,
                        "area_90": 565.6839168723266,
                        "duration": 0.010582,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "44958e62cf6738a26bfdadc4ccb8d41c",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1854.659424
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-29T12:11:22Z",
                    "superevent_id": "S250129bm",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T12:11:23.570724Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T12:11:23.570747Z",
                "modified": "2025-01-29T12:11:23.585125Z"
            }
        },
        {
            "id": 7621,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172568,
                "topic": "igwn.gwalert",
                "uuid": "a1856643-088a-4d0b-86b4-a2e0803bc47a",
                "title": "S250129bm - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129bm/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129bm/view/"
                    },
                    "event": {
                        "far": 4.71989e-06,
                        "time": "2025-01-29T12:10:10.130Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 140.1620387502649,
                        "area_90": 565.6839168723266,
                        "duration": 0.010582,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "44958e62cf6738a26bfdadc4ccb8d41c",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1854.659424
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-29T12:15:58Z",
                    "superevent_id": "S250129bm",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T12:15:59.601566Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T12:15:59.601592Z",
                "modified": "2025-01-29T12:15:59.605825Z"
            }
        },
        {
            "id": 7622,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172607,
                "topic": "igwn.gwalert",
                "uuid": "9b1e231e-25fa-4d8e-aaa1-bf6997247fd6",
                "title": "S250129cf - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129cf/view/"
                    },
                    "event": {
                        "far": 9.137823534276984e-06,
                        "time": "2025-01-29T14:49:50.677Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 7265.765086593073,
                        "area_90": 22665.964182572774,
                        "duration": 0.09375,
                        "pipeline": "MLy",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d27aa70346f00e30963a06f136e2e203",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 289.19334746522765
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-29T14:50:54Z",
                    "superevent_id": "S250129cf",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T14:50:54.971456Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T14:50:54.971480Z",
                "modified": "2025-01-29T14:50:54.979694Z"
            }
        },
        {
            "id": 7623,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172608,
                "topic": "igwn.gwalert",
                "uuid": "7f2fe4e0-e5d4-44b9-a4b4-8af9fd19ea75",
                "title": "S250129cg - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129cg/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129cg/view/"
                    },
                    "event": {
                        "far": 6.42821e-06,
                        "time": "2025-01-29T14:50:37.516Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 979.4556839614318,
                        "area_90": 3479.7114530454987,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.06344296890848616,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "563e2d9967600c2cc2c52a896a903b0d",
                        "classification": {
                            "BBH": 0.006182885017879558,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9938171149821204
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-29T14:51:29Z",
                    "superevent_id": "S250129cg",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T14:51:30.118012Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T14:51:30.118035Z",
                "modified": "2025-01-29T14:51:30.122920Z"
            }
        },
        {
            "id": 7624,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172610,
                "topic": "igwn.gwalert",
                "uuid": "1c256f0a-8e67-4040-8119-0622b73c89b0",
                "title": "S250129cf - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129cf/view/"
                    },
                    "event": {
                        "far": 9.137823534276984e-06,
                        "time": "2025-01-29T14:49:50.677Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 7265.765086593073,
                        "area_90": 22665.964182572774,
                        "duration": 0.09375,
                        "pipeline": "MLy",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d27aa70346f00e30963a06f136e2e203",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 289.19334746522765
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-29T14:55:31Z",
                    "superevent_id": "S250129cf",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T14:55:32.981570Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T14:55:32.981595Z",
                "modified": "2025-01-29T14:55:32.988500Z"
            }
        },
        {
            "id": 7625,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172611,
                "topic": "igwn.gwalert",
                "uuid": "0a8c1c26-41b5-48ab-9ea7-e49cafa9cf6f",
                "title": "S250129cg - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129cg/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129cg/view/"
                    },
                    "event": {
                        "far": 6.42821e-06,
                        "time": "2025-01-29T14:50:37.516Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 979.4556839614318,
                        "area_90": 3479.7114530454987,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.06344296890848616,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "563e2d9967600c2cc2c52a896a903b0d",
                        "classification": {
                            "BBH": 0.006182885017879558,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9938171149821204
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-29T14:56:05Z",
                    "superevent_id": "S250129cg",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T14:56:07.123649Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T14:56:07.123674Z",
                "modified": "2025-01-29T14:56:07.127763Z"
            }
        },
        {
            "id": 7626,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172642,
                "topic": "igwn.gwalert",
                "uuid": "084b5ca8-e247-44b0-9211-d02e7ff25927",
                "title": "S250129cz - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129cz/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129cz/view/"
                    },
                    "event": {
                        "far": 2.527767225813461e-06,
                        "time": "2025-01-29T17:08:03.890Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1265.8646403897428,
                        "area_90": 4759.634261992527,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.02215384615384615,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "6bdadae05907442d1829e2f023505066",
                        "classification": {
                            "BBH": 0.418410969681625,
                            "BNS": 2.0364540879302025e-18,
                            "NSBH": 1.648058430583617e-16,
                            "Terrestrial": 0.5815890303183748
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-29T17:08:33Z",
                    "superevent_id": "S250129cz",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T17:08:33.623696Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T17:08:33.623720Z",
                "modified": "2025-01-29T17:08:33.627850Z"
            }
        },
        {
            "id": 7627,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172644,
                "topic": "igwn.gwalert",
                "uuid": "e57f0057-c1c5-4123-84e2-a34dff29a49e",
                "title": "S250129cz - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129cz/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129cz/view/"
                    },
                    "event": {
                        "far": 5.57962704132691e-06,
                        "time": "2025-01-29T17:08:03.870Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 925.1114204340089,
                        "area_90": 3812.07173654912,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.021106334841628955,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "36d2267d06ab7ba3c05e371ce57d1f16",
                        "classification": {
                            "BBH": 0.23642833585842407,
                            "BNS": 2.3635946899307617e-18,
                            "NSBH": 1.909128863881509e-16,
                            "Terrestrial": 0.7635716641415757
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-29T17:13:11Z",
                    "superevent_id": "S250129cz",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T17:13:13.001155Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T17:13:13.001212Z",
                "modified": "2025-01-29T17:13:13.013024Z"
            }
        },
        {
            "id": 7628,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172689,
                "topic": "igwn.gwalert",
                "uuid": "e5148d5e-6e63-4491-b45f-aeace425288d",
                "title": "S250129do - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129do/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129do/view/"
                    },
                    "event": {
                        "far": 2.134841452061664e-05,
                        "time": "2025-01-29T20:52:18.860Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 15291.930215747461,
                        "area_90": 34914.61564078455,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.4693409312647619,
                            "HasMassGap": 0.02341269841269841,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "71ec0f03f5605b804d0b4d6a4d980602",
                        "classification": {
                            "BBH": 0.17042319259794947,
                            "BNS": 0.0,
                            "NSBH": 0.0020016236216839813,
                            "Terrestrial": 0.8275751837803665
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-29T20:52:43Z",
                    "superevent_id": "S250129do",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T20:52:44.242642Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T20:52:44.242665Z",
                "modified": "2025-01-29T20:52:44.250292Z"
            }
        },
        {
            "id": 7629,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172690,
                "topic": "igwn.gwalert",
                "uuid": "bae2f939-f7ab-435a-812d-5e81adc112d9",
                "title": "S250129do - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250129do/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250129do/view/"
                    },
                    "event": {
                        "far": 2.134841452061664e-05,
                        "time": "2025-01-29T20:52:18.860Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 15291.930215747461,
                        "area_90": 34914.61564078455,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.4693409312647619,
                            "HasMassGap": 0.02341269841269841,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "71ec0f03f5605b804d0b4d6a4d980602",
                        "classification": {
                            "BBH": 0.17042319259794947,
                            "BNS": 0.0,
                            "NSBH": 0.0020016236216839813,
                            "Terrestrial": 0.8275751837803665
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-29T20:57:18Z",
                    "superevent_id": "S250129do",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-29T20:57:19.535502Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-29T20:57:19.535526Z",
                "modified": "2025-01-29T20:57:19.540105Z"
            }
        },
        {
            "id": 7630,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172778,
                "topic": "igwn.gwalert",
                "uuid": "68411f51-53a6-4514-b9c1-f5a9c689f561",
                "title": "S250130c - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "gracedb": "https://gracedb.ligo.org/superevents/S250130c/view/"
                    },
                    "event": {
                        "far": 1.6990279819364875e-05,
                        "time": "2025-01-30T02:54:03.807Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 7116.370817745485,
                        "area_90": 22638.267492280807,
                        "duration": 0.125,
                        "pipeline": "MLy",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "39e5f59c0608609a1dfd45ce27b267e3",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 163.6442544590984
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-30T02:55:44Z",
                    "superevent_id": "S250130c",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-30T02:55:46.260789Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-30T02:55:46.260812Z",
                "modified": "2025-01-30T02:55:46.276819Z"
            }
        },
        {
            "id": 7631,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172779,
                "topic": "igwn.gwalert",
                "uuid": "a2730d88-0ba6-4be0-958c-2e99fbb73dd9",
                "title": "S250130c - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "gracedb": "https://gracedb.ligo.org/superevents/S250130c/view/"
                    },
                    "event": {
                        "far": 1.6990279819364875e-05,
                        "time": "2025-01-30T02:54:03.807Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 7116.370817745485,
                        "area_90": 22638.267492280807,
                        "duration": 0.125,
                        "pipeline": "MLy",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "39e5f59c0608609a1dfd45ce27b267e3",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 163.6442544590984
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-30T03:00:20Z",
                    "superevent_id": "S250130c",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-30T03:00:21.509723Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-30T03:00:21.509747Z",
                "modified": "2025-01-30T03:00:21.516659Z"
            }
        },
        {
            "id": 7632,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172798,
                "topic": "igwn.gwalert",
                "uuid": "cbddd844-50ba-409c-b61a-c119d1b3ef35",
                "title": "S250130o - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250130o/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250130o/view/"
                    },
                    "event": {
                        "far": 5.02249e-06,
                        "time": "2025-01-30T04:19:18.422Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1757.4808930721838,
                        "area_90": 5800.3583820543745,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7da97fdbb5d7045d6823c29f543071ae",
                        "classification": {
                            "BBH": 0.0066514569691520364,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.993348543030848
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-30T04:20:14Z",
                    "superevent_id": "S250130o",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-30T04:20:15.496224Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-30T04:20:15.496261Z",
                "modified": "2025-01-30T04:20:15.506507Z"
            }
        },
        {
            "id": 7633,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172799,
                "topic": "igwn.gwalert",
                "uuid": "2a5de040-0394-4e75-b2aa-a8863cf379ff",
                "title": "S250130o - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250130o/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250130o/view/"
                    },
                    "event": {
                        "far": 5.02249e-06,
                        "time": "2025-01-30T04:19:18.422Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1757.4808930721838,
                        "area_90": 5800.3583820543745,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7da97fdbb5d7045d6823c29f543071ae",
                        "classification": {
                            "BBH": 0.0066514569691520364,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.993348543030848
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-30T04:24:49Z",
                    "superevent_id": "S250130o",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-30T04:24:50.122834Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-30T04:24:50.122876Z",
                "modified": "2025-01-30T04:24:50.131795Z"
            }
        },
        {
            "id": 7634,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172842,
                "topic": "igwn.gwalert",
                "uuid": "a7442a33-72c1-4eae-b004-840fde9f9179",
                "title": "S250130y - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250130y/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250130y/view/"
                    },
                    "event": {
                        "far": 7.497979e-06,
                        "time": "2025-01-30T07:57:05.166Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 295.1690838502023,
                        "area_90": 1433.3037226093702,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.011680913939859512,
                            "HasMassGap": 0.3938349947893701,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "ea01e3b18b05cd11c7ea9da2dc03f830",
                        "classification": {
                            "BBH": 0.024945034,
                            "BNS": 0.0,
                            "NSBH": 0.001559065,
                            "Terrestrial": 0.973495901
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-30T07:57:37Z",
                    "superevent_id": "S250130y",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-30T07:57:37.653131Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-30T07:57:37.653153Z",
                "modified": "2025-01-30T07:57:37.662195Z"
            }
        },
        {
            "id": 7635,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172844,
                "topic": "igwn.gwalert",
                "uuid": "e9b194d4-313e-46d1-b99e-37125e575855",
                "title": "S250130y - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250130y/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250130y/view/"
                    },
                    "event": {
                        "far": 7.497979e-06,
                        "time": "2025-01-30T07:57:05.166Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 295.1690838502023,
                        "area_90": 1433.3037226093702,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.011680913939859512,
                            "HasMassGap": 0.3938349947893701,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "ea01e3b18b05cd11c7ea9da2dc03f830",
                        "classification": {
                            "BBH": 0.024945034,
                            "BNS": 0.0,
                            "NSBH": 0.001559065,
                            "Terrestrial": 0.973495901
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-30T08:02:12Z",
                    "superevent_id": "S250130y",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-30T08:02:13.857677Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-30T08:02:13.857713Z",
                "modified": "2025-01-30T08:02:13.880591Z"
            }
        },
        {
            "id": 7636,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172855,
                "topic": "igwn.gwalert",
                "uuid": "46efe999-67ce-4c55-8408-a521f4ac7087",
                "title": "S250130ae - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250130ae/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250130ae/view/"
                    },
                    "event": {
                        "far": 1.08146e-05,
                        "time": "2025-01-30T09:01:39.691Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 292.0741885334861,
                        "area_90": 986.1700331231211,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "dc6b13cc984583b7dc4e29ed6a8094b8",
                        "classification": {
                            "BBH": 0.0025269056198350404,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.997473094380165
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-30T09:02:55Z",
                    "superevent_id": "S250130ae",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-30T09:02:57.010905Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-30T09:02:57.010926Z",
                "modified": "2025-01-30T09:02:57.019124Z"
            }
        },
        {
            "id": 7637,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172858,
                "topic": "igwn.gwalert",
                "uuid": "36dd5db0-8d7a-4e40-8d16-00fa38294a8a",
                "title": "S250130ae - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250130ae/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250130ae/view/"
                    },
                    "event": {
                        "far": 1.08146e-05,
                        "time": "2025-01-30T09:01:39.691Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 292.0741885334861,
                        "area_90": 986.1700331231211,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "dc6b13cc984583b7dc4e29ed6a8094b8",
                        "classification": {
                            "BBH": 0.0025269056198350404,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.997473094380165
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-30T09:07:31Z",
                    "superevent_id": "S250130ae",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-30T09:07:32.135245Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-30T09:07:32.135268Z",
                "modified": "2025-01-30T09:07:32.138662Z"
            }
        },
        {
            "id": 7638,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172879,
                "topic": "igwn.gwalert",
                "uuid": "034672d1-bebd-4fa4-9042-6d8e10297086",
                "title": "S250130as - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250130as/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250130as/view/"
                    },
                    "event": {
                        "far": 8.14885e-06,
                        "time": "2025-01-30T11:13:52.336Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1910.2323365006157,
                        "area_90": 7041.673683321691,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "1e6d6022b747fa4ae823e7493a2d80f3",
                        "classification": {
                            "BBH": 0.0026574296054663327,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9973425703945337
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-30T11:14:59Z",
                    "superevent_id": "S250130as",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-30T11:15:00.327533Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-30T11:15:00.327558Z",
                "modified": "2025-01-30T11:15:00.366063Z"
            }
        },
        {
            "id": 7639,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172882,
                "topic": "igwn.gwalert",
                "uuid": "c4aae0d6-4010-4d22-bf5b-8798ecd151a5",
                "title": "S250130as - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250130as/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250130as/view/"
                    },
                    "event": {
                        "far": 8.14885e-06,
                        "time": "2025-01-30T11:13:52.336Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1910.2323365006157,
                        "area_90": 7041.673683321691,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "1e6d6022b747fa4ae823e7493a2d80f3",
                        "classification": {
                            "BBH": 0.0026574296054663327,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9973425703945337
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-30T11:19:35Z",
                    "superevent_id": "S250130as",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-30T11:19:36.421979Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-30T11:19:36.422002Z",
                "modified": "2025-01-30T11:19:36.425582Z"
            }
        },
        {
            "id": 7640,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172929,
                "topic": "igwn.gwalert",
                "uuid": "7b0223f1-360a-4c40-b3a4-21078ad41f0b",
                "title": "S250130bj - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250130bj/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250130bj/view/"
                    },
                    "event": {
                        "far": 6.424365e-06,
                        "time": "2025-01-30T14:48:23.523Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1642.7074870895567,
                        "area_90": 7279.1937849164515,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.10925989745433572,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "0119d0e4bc5d245aa0249ef239e7f387",
                        "classification": {
                            "BBH": 0.124202895,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.875797105
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-30T14:48:53Z",
                    "superevent_id": "S250130bj",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-30T14:48:53.666363Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-30T14:48:53.666385Z",
                "modified": "2025-01-30T14:48:53.678608Z"
            }
        },
        {
            "id": 7641,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 172930,
                "topic": "igwn.gwalert",
                "uuid": "babcff12-e6b2-4981-b208-46253840ccfc",
                "title": "S250130bj - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250130bj/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250130bj/view/"
                    },
                    "event": {
                        "far": 6.424365e-06,
                        "time": "2025-01-30T14:48:23.523Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1642.7074870895567,
                        "area_90": 7279.1937849164515,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.10925989745433572,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "0119d0e4bc5d245aa0249ef239e7f387",
                        "classification": {
                            "BBH": 0.124202895,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.875797105
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-30T14:53:28Z",
                    "superevent_id": "S250130bj",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-30T14:53:29.787587Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-30T14:53:29.787608Z",
                "modified": "2025-01-30T14:53:29.793033Z"
            }
        },
        {
            "id": 7642,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173060,
                "topic": "igwn.gwalert",
                "uuid": "581d0f84-268d-4c07-96f9-20cfcc546524",
                "title": "S250131l - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250131l/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250131l/view/"
                    },
                    "event": {
                        "far": 2.123174302597631e-05,
                        "time": "2025-01-31T01:02:18.263Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 758.7214552708949,
                        "area_90": 2676.5074345784114,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.000689655172413793,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "c291b7f41868cdb7ee49b5a916fb1908",
                        "classification": {
                            "BBH": 0.000508496974486941,
                            "BNS": 0.0,
                            "NSBH": 0.0024305895533653955,
                            "Terrestrial": 0.9970609134721476
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-31T01:02:48Z",
                    "superevent_id": "S250131l",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-31T01:02:49.260003Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-31T01:02:49.260037Z",
                "modified": "2025-01-31T01:02:49.266158Z"
            }
        },
        {
            "id": 7643,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173062,
                "topic": "igwn.gwalert",
                "uuid": "14818212-04c2-46ed-a0d3-500d6cd42ec3",
                "title": "S250131l - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250131l/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250131l/view/"
                    },
                    "event": {
                        "far": 2.123174302597631e-05,
                        "time": "2025-01-31T01:02:18.286Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 758.5116318595922,
                        "area_90": 2608.524649316307,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.000689655172413793,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "c6a2a0d9c44e0ef05b57fa9f40b755df",
                        "classification": {
                            "BBH": 0.0005185676361162574,
                            "BNS": 0.0,
                            "NSBH": 0.002420518891736095,
                            "Terrestrial": 0.9970609134721476
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-31T01:07:24Z",
                    "superevent_id": "S250131l",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-31T01:07:25.196459Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-31T01:07:25.196503Z",
                "modified": "2025-01-31T01:07:25.203297Z"
            }
        },
        {
            "id": 7644,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173087,
                "topic": "igwn.gwalert",
                "uuid": "483ba22a-2b49-4ee1-bd12-aeffd02f9b3f",
                "title": "S250131q - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250131q/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250131q/view/"
                    },
                    "event": {
                        "far": 1.235725944789603e-06,
                        "time": "2025-01-31T03:10:41.204Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 463.7097389791698,
                        "area_90": 1909.3930428554047,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "03e51315ccb02d2ae146fc7e29f885e1",
                        "classification": {
                            "BBH": 0.5819805987990812,
                            "BNS": 4.965861501776706e-16,
                            "NSBH": 3.284918590120932e-14,
                            "Terrestrial": 0.41801940120088554
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-31T03:11:17Z",
                    "superevent_id": "S250131q",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-31T03:11:17.841019Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-31T03:11:17.841151Z",
                "modified": "2025-01-31T03:11:17.851763Z"
            }
        },
        {
            "id": 7645,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173090,
                "topic": "igwn.gwalert",
                "uuid": "a7afe0f6-78e4-441c-b6ab-fd49e64810c7",
                "title": "S250131q - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250131q/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250131q/view/"
                    },
                    "event": {
                        "far": 1.235725944789603e-06,
                        "time": "2025-01-31T03:10:41.199Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 418.07314702081254,
                        "area_90": 1805.3206308492204,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "7cbd434629712b8f3ccdc0774c75a8b6",
                        "classification": {
                            "BBH": 0.5819805987990812,
                            "BNS": 4.965861501776706e-16,
                            "NSBH": 3.284918590120932e-14,
                            "Terrestrial": 0.41801940120088554
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-31T03:15:54Z",
                    "superevent_id": "S250131q",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-31T03:15:55.116597Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-31T03:15:55.116638Z",
                "modified": "2025-01-31T03:15:55.130149Z"
            }
        },
        {
            "id": 7646,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173098,
                "topic": "igwn.gwalert",
                "uuid": "ca064e2e-b93f-4b56-af95-ae5e8aa6d9b0",
                "title": "S250131x - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250131x/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250131x/view/"
                    },
                    "event": {
                        "far": 7.0588e-06,
                        "time": "2025-01-31T04:01:48.506Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 84.76865816632788,
                        "area_90": 306.34218050207596,
                        "duration": 0.136189,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d4a21cc30ff7f7a016758b1d9eb6e9c2",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 305.290588
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-31T04:05:03Z",
                    "superevent_id": "S250131x",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-31T04:05:04.722705Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-31T04:05:04.722741Z",
                "modified": "2025-01-31T04:05:04.730471Z"
            }
        },
        {
            "id": 7647,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173102,
                "topic": "igwn.gwalert",
                "uuid": "49d0d7ad-9df6-4de6-b8ec-784064a2bcb6",
                "title": "S250131x - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250131x/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250131x/view/"
                    },
                    "event": {
                        "far": 7.0588e-06,
                        "time": "2025-01-31T04:01:48.506Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 84.76865816632788,
                        "area_90": 306.34218050207596,
                        "duration": 0.136189,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d4a21cc30ff7f7a016758b1d9eb6e9c2",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 305.290588
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-31T04:09:37Z",
                    "superevent_id": "S250131x",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-31T04:09:38.638318Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-31T04:09:38.638339Z",
                "modified": "2025-01-31T04:09:38.643776Z"
            }
        },
        {
            "id": 7648,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173202,
                "topic": "igwn.gwalert",
                "uuid": "bbb680ec-fec5-439e-aab2-e9ab885aa25f",
                "title": "S250131cb - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250131cb/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250131cb/view/"
                    },
                    "event": {
                        "far": 1.99199e-05,
                        "time": "2025-01-31T12:05:16.035Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1476.3175219264429,
                        "area_90": 4460.845724297353,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "ea390e7adacf7fdddcea366f3a756c04",
                        "classification": {
                            "BBH": 0.0008610437885341327,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9991389562114659
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-31T12:08:48Z",
                    "superevent_id": "S250131cb",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-31T12:08:49.766693Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-31T12:08:49.766717Z",
                "modified": "2025-01-31T12:08:49.775883Z"
            }
        },
        {
            "id": 7649,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173203,
                "topic": "igwn.gwalert",
                "uuid": "8f824efd-fc1b-4080-9c1f-1ec24a2a59ba",
                "title": "S250131cb - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250131cb/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250131cb/view/"
                    },
                    "event": {
                        "far": 1.99199e-05,
                        "time": "2025-01-31T12:05:16.035Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1476.3175219264429,
                        "area_90": 4460.845724297353,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "ea390e7adacf7fdddcea366f3a756c04",
                        "classification": {
                            "BBH": 0.0008610437885341327,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9991389562114659
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-31T12:13:23Z",
                    "superevent_id": "S250131cb",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-31T12:13:24.970652Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-31T12:13:24.970673Z",
                "modified": "2025-01-31T12:13:24.978217Z"
            }
        },
        {
            "id": 7650,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173251,
                "topic": "igwn.gwalert",
                "uuid": "e1e74f83-d8f4-4f59-a0d9-e315f9fb2927",
                "title": "S250131de - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250131de/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250131de/view/"
                    },
                    "event": {
                        "far": 7.37106e-06,
                        "time": "2025-01-31T15:24:03.391Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 876.2225656004583,
                        "area_90": 2908.9917743019046,
                        "duration": 0.007737,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "4094a2198fe70660140f04dff011fa36",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 316.31778
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-31T15:25:22Z",
                    "superevent_id": "S250131de",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-31T15:25:23.249850Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-31T15:25:23.249871Z",
                "modified": "2025-01-31T15:25:23.258848Z"
            }
        },
        {
            "id": 7651,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173252,
                "topic": "igwn.gwalert",
                "uuid": "2f7c4aa7-3e19-4f43-b142-d20cc4b2a023",
                "title": "S250131de - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250131de/files/cwb.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250131de/view/"
                    },
                    "event": {
                        "far": 1.76941e-06,
                        "time": "2025-01-31T15:24:03.391Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 542.1836948064139,
                        "area_90": 2078.0910655428493,
                        "duration": 0.004245,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7d2bbc49adca513f55d82307be2cf199",
                        "classification": {},
                        "skymap_version": 1,
                        "central_frequency": 347.295532
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-31T15:29:56Z",
                    "superevent_id": "S250131de",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-31T15:29:57.281230Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-31T15:29:57.281254Z",
                "modified": "2025-01-31T15:29:57.292670Z"
            }
        },
        {
            "id": 7652,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173279,
                "topic": "igwn.gwalert",
                "uuid": "6c56d3d1-8fb6-4bd6-aa86-0d59346c536a",
                "title": "S250131dx - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250131dx/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250131dx/view/"
                    },
                    "event": {
                        "far": 8.38234e-06,
                        "time": "2025-01-31T18:21:49.637Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 161.98367352575522,
                        "area_90": 537.987226580358,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7efcfc79a178246ce01e459c63102d6d",
                        "classification": {
                            "BBH": 0.002529172331695584,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9974708276683044
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-31T18:23:14Z",
                    "superevent_id": "S250131dx",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-31T18:23:14.648830Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-31T18:23:14.648854Z",
                "modified": "2025-01-31T18:23:14.658690Z"
            }
        },
        {
            "id": 7653,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173282,
                "topic": "igwn.gwalert",
                "uuid": "9f0ceffa-f0bb-4db4-8840-e682b6f046cf",
                "title": "S250131dx - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250131dx/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250131dx/view/"
                    },
                    "event": {
                        "far": 8.38234e-06,
                        "time": "2025-01-31T18:21:49.637Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 161.98367352575522,
                        "area_90": 537.987226580358,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7efcfc79a178246ce01e459c63102d6d",
                        "classification": {
                            "BBH": 0.002529172331695584,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9974708276683044
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-31T18:27:49Z",
                    "superevent_id": "S250131dx",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-31T18:27:50.686188Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-31T18:27:50.686212Z",
                "modified": "2025-01-31T18:27:50.690001Z"
            }
        },
        {
            "id": 7654,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173306,
                "topic": "igwn.gwalert",
                "uuid": "bf7b9b48-4400-40d4-aeba-24e87dbe4338",
                "title": "S250131ek - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "gracedb": "https://gracedb.ligo.org/superevents/S250131ek/view/"
                    },
                    "event": {
                        "far": 6.370322621810464e-06,
                        "time": "2025-01-31T19:54:04.851Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 7216.246761525614,
                        "area_90": 22709.607452123757,
                        "duration": 0.1875,
                        "pipeline": "MLy",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a43bee7c4a687547130517a084eb238b",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 210.1578666863893
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-31T19:54:48Z",
                    "superevent_id": "S250131ek",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-31T19:54:49.539611Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-31T19:54:49.539659Z",
                "modified": "2025-01-31T19:54:49.561031Z"
            }
        },
        {
            "id": 7655,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173307,
                "topic": "igwn.gwalert",
                "uuid": "8b1e1a81-2b7e-46f9-a42e-42a6d0ae327b",
                "title": "S250131ek - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "gracedb": "https://gracedb.ligo.org/superevents/S250131ek/view/"
                    },
                    "event": {
                        "far": 6.370322621810464e-06,
                        "time": "2025-01-31T19:54:04.851Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 7216.246761525614,
                        "area_90": 22709.607452123757,
                        "duration": 0.1875,
                        "pipeline": "MLy",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a43bee7c4a687547130517a084eb238b",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 210.1578666863893
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-31T19:59:22Z",
                    "superevent_id": "S250131ek",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-31T19:59:23.850239Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-31T19:59:23.850280Z",
                "modified": "2025-01-31T19:59:23.857703Z"
            }
        },
        {
            "id": 7656,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173339,
                "topic": "igwn.gwalert",
                "uuid": "5bbd131d-decb-4351-9d97-5783b5b8e4fd",
                "title": "S250131em - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250131em/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250131em/view/"
                    },
                    "event": {
                        "far": 2.217742985521909e-05,
                        "time": "2025-01-31T21:32:19.352Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 8904.06628204527,
                        "area_90": 27250.186072716166,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.05584942834942835,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "3359263efdcc0da4136fdae9e67cbf77",
                        "classification": {
                            "BBH": 0.054009929637803225,
                            "BNS": 0.0,
                            "NSBH": 0.0026835512337126896,
                            "Terrestrial": 0.9433065191284841
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-31T21:32:46Z",
                    "superevent_id": "S250131em",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-31T21:32:47.135366Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-31T21:32:47.135401Z",
                "modified": "2025-01-31T21:32:47.147844Z"
            }
        },
        {
            "id": 7657,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173340,
                "topic": "igwn.gwalert",
                "uuid": "cc316a36-eac9-443f-9d02-99df6f6be7c2",
                "title": "S250131em - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250131em/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250131em/view/"
                    },
                    "event": {
                        "far": 2.217742985521909e-05,
                        "time": "2025-01-31T21:32:19.352Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 8904.06628204527,
                        "area_90": 27250.186072716166,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.05584942834942835,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "3359263efdcc0da4136fdae9e67cbf77",
                        "classification": {
                            "BBH": 0.054009929637803225,
                            "BNS": 0.0,
                            "NSBH": 0.0026835512337126896,
                            "Terrestrial": 0.9433065191284841
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-31T21:37:21Z",
                    "superevent_id": "S250131em",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-31T21:37:22.170313Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-31T21:37:22.170334Z",
                "modified": "2025-01-31T21:37:22.177734Z"
            }
        },
        {
            "id": 7658,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173360,
                "topic": "igwn.gwalert",
                "uuid": "69d63ba9-c551-4209-b8d3-3d2b348ef9ac",
                "title": "S250131fd - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250131fd/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250131fd/view/"
                    },
                    "event": {
                        "far": 1.64724e-05,
                        "time": "2025-01-31T23:17:07.479Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 738.7882311971299,
                        "area_90": 2351.7007938816896,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.4321119700532626,
                            "HasRemnant": 0.00130500591574676
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "f02dfb0141bbd016a70c399db2ab3f93",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.000510439,
                            "NSBH": 0.000245767,
                            "Terrestrial": 0.999243795
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-01-31T23:17:37Z",
                    "superevent_id": "S250131fd",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-31T23:17:38.617791Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-31T23:17:38.617828Z",
                "modified": "2025-01-31T23:17:38.625566Z"
            }
        },
        {
            "id": 7659,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173363,
                "topic": "igwn.gwalert",
                "uuid": "a9df5696-129f-423e-b226-7c70b207db9a",
                "title": "S250131fd - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250131fd/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250131fd/view/"
                    },
                    "event": {
                        "far": 1.64724e-05,
                        "time": "2025-01-31T23:17:07.479Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 738.7882311971299,
                        "area_90": 2351.7007938816896,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.4321119700532626,
                            "HasRemnant": 0.00130500591574676
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "f02dfb0141bbd016a70c399db2ab3f93",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.000510439,
                            "NSBH": 0.000245767,
                            "Terrestrial": 0.999243795
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-01-31T23:22:13Z",
                    "superevent_id": "S250131fd",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-01-31T23:22:13.896310Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-01-31T23:22:13.896344Z",
                "modified": "2025-01-31T23:22:13.902375Z"
            }
        },
        {
            "id": 7660,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173383,
                "topic": "igwn.gwalert",
                "uuid": "d3e93214-31fe-4470-94a1-a8ca59907495",
                "title": "S250201a - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201a/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201a/view/"
                    },
                    "event": {
                        "far": 7.47684680391103e-06,
                        "time": "2025-02-01T00:53:49.100Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 9794.556839614319,
                        "area_90": 27025.255375799577,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.5827422245134465,
                            "HasMassGap": 0.09179226968431654,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "07710aeced8380ab6579dd3922409f4a",
                        "classification": {
                            "BBH": 0.39336139444237533,
                            "BNS": 0.0,
                            "NSBH": 0.00034652274669399845,
                            "Terrestrial": 0.6062920828109306
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-01T00:54:14Z",
                    "superevent_id": "S250201a",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T00:54:15.055198Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T00:54:15.055235Z",
                "modified": "2025-02-01T00:54:15.061242Z"
            }
        },
        {
            "id": 7661,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173384,
                "topic": "igwn.gwalert",
                "uuid": "88269998-f513-4d98-b932-cedf7fb95f65",
                "title": "S250201a - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201a/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201a/view/"
                    },
                    "event": {
                        "far": 7.47684680391103e-06,
                        "time": "2025-02-01T00:53:49.100Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 9794.556839614319,
                        "area_90": 27025.255375799577,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.5827422245134465,
                            "HasMassGap": 0.09179226968431654,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "07710aeced8380ab6579dd3922409f4a",
                        "classification": {
                            "BBH": 0.39336139444237533,
                            "BNS": 0.0,
                            "NSBH": 0.00034652274669399845,
                            "Terrestrial": 0.6062920828109306
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-01T00:58:49Z",
                    "superevent_id": "S250201a",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T00:58:50.384431Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T00:58:50.384452Z",
                "modified": "2025-02-01T00:58:50.390352Z"
            }
        },
        {
            "id": 7662,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173412,
                "topic": "igwn.gwalert",
                "uuid": "d2f0e09d-3efa-43ee-8c8e-a524b8303fe1",
                "title": "S250201i - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201i/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201i/view/"
                    },
                    "event": {
                        "far": 2.739927153540931e-07,
                        "time": "2025-02-01T02:08:41.293Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 299.1557286649553,
                        "area_90": 1782.6597024285186,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.6309621269596196,
                            "HasMassGap": 0.8031565939695957,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "790f0c117250ecf2a5836e8bfc809417",
                        "classification": {
                            "BBH": 0.03912181153549136,
                            "BNS": 0.0,
                            "NSBH": 0.08152949120312986,
                            "Terrestrial": 0.8793486972613788
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-01T02:09:13Z",
                    "superevent_id": "S250201i",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T02:09:13.790452Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T02:09:13.790492Z",
                "modified": "2025-02-01T02:09:13.820276Z"
            }
        },
        {
            "id": 7663,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173413,
                "topic": "igwn.gwalert",
                "uuid": "b2756fcc-5a28-421a-8fca-7122334392d6",
                "title": "S250201i - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201i/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201i/view/"
                    },
                    "event": {
                        "far": 2.739927153540931e-07,
                        "time": "2025-02-01T02:08:41.292Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 351.08702296239625,
                        "area_90": 1622.984086427094,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.5652625340069859,
                            "HasMassGap": 0.6746992715881354,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "d436a42bed867b5bdebc846ea8fbbffd",
                        "classification": {
                            "BBH": 0.03895165301578835,
                            "BNS": 0.0,
                            "NSBH": 0.08169964972283288,
                            "Terrestrial": 0.8793486972613788
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-01T02:13:49Z",
                    "superevent_id": "S250201i",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T02:13:50.590161Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T02:13:50.590196Z",
                "modified": "2025-02-01T02:13:50.604589Z"
            }
        },
        {
            "id": 7664,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173422,
                "topic": "igwn.gwalert",
                "uuid": "32784aa2-d9ff-4298-a65d-0d0d179106b5",
                "title": "S250201m - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201m/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201m/view/"
                    },
                    "event": {
                        "far": 1.27677e-05,
                        "time": "2025-02-01T02:54:27.881Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1113.7426671952185,
                        "area_90": 4597.650588466773,
                        "duration": 0.057433,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "0e70f23e85b1e7ae366e78204c80dc7e",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1080.236206
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-01T02:56:30Z",
                    "superevent_id": "S250201m",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T02:56:30.974337Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T02:56:30.974359Z",
                "modified": "2025-02-01T02:56:30.985541Z"
            }
        },
        {
            "id": 7665,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173426,
                "topic": "igwn.gwalert",
                "uuid": "535bb1f9-9b09-4896-9887-e5270084e480",
                "title": "S250201n - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201n/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201n/view/"
                    },
                    "event": {
                        "far": 2.00958e-05,
                        "time": "2025-02-01T02:57:47.054Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1028.1347153836793,
                        "area_90": 3419.282310590295,
                        "duration": 0.016413,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "f559dd45f0d2180566abce49023d6b8a",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1061.552002
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-01T02:59:57Z",
                    "superevent_id": "S250201n",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T02:59:58.019246Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T02:59:58.019267Z",
                "modified": "2025-02-01T02:59:58.034414Z"
            }
        },
        {
            "id": 7666,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173427,
                "topic": "igwn.gwalert",
                "uuid": "91a0666b-0759-4c3e-b7b2-9adabb77f0e4",
                "title": "S250201m - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201m/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201m/view/"
                    },
                    "event": {
                        "far": 1.27677e-05,
                        "time": "2025-02-01T02:54:27.881Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1113.7426671952185,
                        "area_90": 4597.650588466773,
                        "duration": 0.057433,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "0e70f23e85b1e7ae366e78204c80dc7e",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1080.236206
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-01T03:01:05Z",
                    "superevent_id": "S250201m",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T03:01:06.402128Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T03:01:06.402149Z",
                "modified": "2025-02-01T03:01:06.405997Z"
            }
        },
        {
            "id": 7667,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173429,
                "topic": "igwn.gwalert",
                "uuid": "c5a14d1c-0fcb-49ff-ab46-b8dc183cd74e",
                "title": "S250201n - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201n/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201n/view/"
                    },
                    "event": {
                        "far": 2.00958e-05,
                        "time": "2025-02-01T02:57:47.054Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1028.1347153836793,
                        "area_90": 3419.282310590295,
                        "duration": 0.016413,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "f559dd45f0d2180566abce49023d6b8a",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1061.552002
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-01T03:04:32Z",
                    "superevent_id": "S250201n",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T03:04:33.390226Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T03:04:33.390249Z",
                "modified": "2025-02-01T03:04:33.394973Z"
            }
        },
        {
            "id": 7668,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173491,
                "topic": "igwn.gwalert",
                "uuid": "b2a2608e-afa6-4fdd-988b-8783e44468e3",
                "title": "S250201u - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201u/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201u/view/"
                    },
                    "event": {
                        "far": 1.43095e-06,
                        "time": "2025-02-01T07:45:59.266Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 862.7938672770798,
                        "area_90": 3240.5127641603162,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d994a7e8094d27898ce6ffee6005bc06",
                        "classification": {
                            "BBH": 0.029963659574285373,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9700363404257146
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-01T07:47:59Z",
                    "superevent_id": "S250201u",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T07:47:59.790377Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T07:47:59.790413Z",
                "modified": "2025-02-01T07:47:59.803736Z"
            }
        },
        {
            "id": 7669,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173493,
                "topic": "igwn.gwalert",
                "uuid": "d9c1a21e-67fd-4f1d-b3a7-863409cf8bcc",
                "title": "S250201u - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201u/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201u/view/"
                    },
                    "event": {
                        "far": 1.43095e-06,
                        "time": "2025-02-01T07:45:59.266Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 862.7938672770798,
                        "area_90": 3240.5127641603162,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d994a7e8094d27898ce6ffee6005bc06",
                        "classification": {
                            "BBH": 0.029963659574285373,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9700363404257146
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-01T07:52:34Z",
                    "superevent_id": "S250201u",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T07:52:35.296424Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T07:52:35.296460Z",
                "modified": "2025-02-01T07:52:35.301566Z"
            }
        },
        {
            "id": 7670,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173531,
                "topic": "igwn.gwalert",
                "uuid": "43109448-28ee-4253-846e-b352411f2d68",
                "title": "S250201al - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201al/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201al/view/"
                    },
                    "event": {
                        "far": 3.71258e-06,
                        "time": "2025-02-01T10:52:38.522Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 668.9170352333001,
                        "area_90": 3696.249213509979,
                        "duration": 0.081291,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d861ea23de27524b741c7e27e064a68c",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1066.768921
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-01T10:55:21Z",
                    "superevent_id": "S250201al",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T10:55:22.438907Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T10:55:22.438944Z",
                "modified": "2025-02-01T10:55:22.449096Z"
            }
        },
        {
            "id": 7671,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173533,
                "topic": "igwn.gwalert",
                "uuid": "f9c30f9a-13bc-45eb-95a5-1cdfa647362f",
                "title": "S250201al - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201al/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201al/view/"
                    },
                    "event": {
                        "far": 3.71258e-06,
                        "time": "2025-02-01T10:52:38.522Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 668.9170352333001,
                        "area_90": 3696.249213509979,
                        "duration": 0.081291,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d861ea23de27524b741c7e27e064a68c",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1066.768921
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-01T10:59:55Z",
                    "superevent_id": "S250201al",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T10:59:56.539542Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T10:59:56.539586Z",
                "modified": "2025-02-01T10:59:56.548292Z"
            }
        },
        {
            "id": 7672,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173537,
                "topic": "igwn.gwalert",
                "uuid": "61664db2-ce71-457f-8221-b2d0e77c87ae",
                "title": "S250201aq - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201aq/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201aq/view/"
                    },
                    "event": {
                        "far": 1.815193820356261e-05,
                        "time": "2025-02-01T11:09:08.411Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 570.9295021548963,
                        "area_90": 2016.8226294424344,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.7840100067479848,
                            "HasMassGap": 0.1537965934172018,
                            "HasRemnant": 0.04596940100299475
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "cd5ac253a7509d2e310cc39fbba7856f",
                        "classification": {
                            "BBH": 0.0005533819319977407,
                            "BNS": 0.0,
                            "NSBH": 0.002255747428134446,
                            "Terrestrial": 0.9971908706398678
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-01T11:09:35Z",
                    "superevent_id": "S250201aq",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T11:09:36.717155Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T11:09:36.717176Z",
                "modified": "2025-02-01T11:09:36.730015Z"
            }
        },
        {
            "id": 7673,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173538,
                "topic": "igwn.gwalert",
                "uuid": "d1d1d7f8-f028-46f6-a635-3881eb04bd18",
                "title": "S250201aq - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201aq/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201aq/view/"
                    },
                    "event": {
                        "far": 1.815193820356261e-05,
                        "time": "2025-02-01T11:09:08.417Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 467.01445770718874,
                        "area_90": 1726.4270281993706,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.7654139850314174,
                            "HasMassGap": 0.2681337056265848,
                            "HasRemnant": 0.007331263533269063
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "94cf76d09bc343d47afadcdb71307a04",
                        "classification": {
                            "BBH": 0.000550619246015265,
                            "BNS": 0.0,
                            "NSBH": 0.002258510114116958,
                            "Terrestrial": 0.9971908706398678
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-01T11:14:11Z",
                    "superevent_id": "S250201aq",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T11:14:12.792528Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T11:14:12.792552Z",
                "modified": "2025-02-01T11:14:12.799251Z"
            }
        },
        {
            "id": 7674,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173553,
                "topic": "igwn.gwalert",
                "uuid": "a0d1746b-cf2d-4775-91ee-0b302523a953",
                "title": "S250201az - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201az/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201az/view/"
                    },
                    "event": {
                        "far": 1.993811730400392e-05,
                        "time": "2025-02-01T12:10:06.093Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 286.6712356924392,
                        "area_90": 1219.2838430805225,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.4339568645438724,
                            "HasRemnant": 0.3826029832617769
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "2072c41b049a86bab0dcca85112b56a6",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0002267083397599936,
                            "NSBH": 0.0011025646506232095,
                            "Terrestrial": 0.9986707270096168
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-01T12:10:41Z",
                    "superevent_id": "S250201az",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T12:10:42.364061Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T12:10:42.364086Z",
                "modified": "2025-02-01T12:10:42.369069Z"
            }
        },
        {
            "id": 7675,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173555,
                "topic": "igwn.gwalert",
                "uuid": "07b350e3-6787-4ef0-8aac-176f7e71341f",
                "title": "S250201az - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201az/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201az/view/"
                    },
                    "event": {
                        "far": 1.993811730400392e-05,
                        "time": "2025-02-01T12:10:06.093Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 304.34885809469944,
                        "area_90": 1226.4178390648174,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.3708736879793955,
                            "HasRemnant": 0.5497772136612752
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "6bcf83eac08eccc413e93049e2549fab",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.00023643431445669744,
                            "NSBH": 0.001092838675926515,
                            "Terrestrial": 0.9986707270096168
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-01T12:15:19Z",
                    "superevent_id": "S250201az",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T12:15:19.883949Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T12:15:19.883988Z",
                "modified": "2025-02-01T12:15:19.894184Z"
            }
        },
        {
            "id": 7676,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173558,
                "topic": "igwn.gwalert",
                "uuid": "448acd30-640f-4d8f-b409-9bf8f1f2445f",
                "title": "S250201be - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201be/view/"
                    },
                    "event": {
                        "far": 1.1129074673061821e-05,
                        "time": "2025-02-01T12:45:47.523Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 4908.189237194904,
                        "area_90": 20493.872228766275,
                        "duration": 0.21875,
                        "pipeline": "MLy",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "fb7ef52cab1011240079963ced82cf77",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 295.7176226684818
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-01T12:46:30Z",
                    "superevent_id": "S250201be",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T12:46:31.870372Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T12:46:31.870410Z",
                "modified": "2025-02-01T12:46:31.885668Z"
            }
        },
        {
            "id": 7677,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173563,
                "topic": "igwn.gwalert",
                "uuid": "a16a584a-e6e0-403d-8216-abd79f87c9fc",
                "title": "S250201be - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201be/view/"
                    },
                    "event": {
                        "far": 1.1129074673061821e-05,
                        "time": "2025-02-01T12:45:47.523Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 4908.189237194904,
                        "area_90": 20493.872228766275,
                        "duration": 0.21875,
                        "pipeline": "MLy",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "fb7ef52cab1011240079963ced82cf77",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 295.7176226684818
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-01T12:51:06Z",
                    "superevent_id": "S250201be",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T12:51:07.643858Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T12:51:07.643926Z",
                "modified": "2025-02-01T12:51:07.660254Z"
            }
        },
        {
            "id": 7678,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173596,
                "topic": "igwn.gwalert",
                "uuid": "22688ce6-ee8d-4a9e-a33f-1ce215116d90",
                "title": "S250201bv - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201bv/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201bv/view/"
                    },
                    "event": {
                        "far": 1.612724290120034e-05,
                        "time": "2025-02-01T14:38:54.827Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 413.35212026649975,
                        "area_90": 1673.341705139764,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.5915516779059846,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "9226de1a46f3e46f11f4aae623fc566a",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0003355017978362721,
                            "NSBH": 0.0011112994304533401,
                            "Terrestrial": 0.9985531987717103
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-01T14:39:25Z",
                    "superevent_id": "S250201bv",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T14:39:26.771236Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T14:39:26.771260Z",
                "modified": "2025-02-01T14:39:26.782419Z"
            }
        },
        {
            "id": 7679,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173600,
                "topic": "igwn.gwalert",
                "uuid": "5b740402-82a9-4995-aeea-09badaa3f96c",
                "title": "S250201bv - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201bv/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201bv/view/"
                    },
                    "event": {
                        "far": 1.612724290120034e-05,
                        "time": "2025-02-01T14:38:54.827Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 422.05979183556565,
                        "area_90": 1681.105171357967,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.49280273836884914,
                            "HasRemnant": 0.9804748203374628
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "9008cf2be633d62a5d6bf1a8c5a2f72b",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0003326345929395277,
                            "NSBH": 0.001114166635350135,
                            "Terrestrial": 0.9985531987717103
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-01T14:44:02Z",
                    "superevent_id": "S250201bv",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T14:44:02.970075Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T14:44:02.970112Z",
                "modified": "2025-02-01T14:44:02.983219Z"
            }
        },
        {
            "id": 7680,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173636,
                "topic": "igwn.gwalert",
                "uuid": "c5a09e52-db5a-4e9a-b31d-6215f79fbe0d",
                "title": "S250201cw - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201cw/view/"
                    },
                    "event": {
                        "far": 2.0795551344766337e-05,
                        "time": "2025-02-01T17:41:17.180Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 6461.721774480775,
                        "area_90": 22134.691305154105,
                        "duration": 0.21875,
                        "pipeline": "MLy",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "125de5ad21b6209575b466bdadb4f8c1",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 90.76829406658402
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-01T17:42:01Z",
                    "superevent_id": "S250201cw",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T17:42:02.230006Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T17:42:02.230043Z",
                "modified": "2025-02-01T17:42:02.253650Z"
            }
        },
        {
            "id": 7681,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173638,
                "topic": "igwn.gwalert",
                "uuid": "ff71ab79-ec99-483a-82b0-f0aef0bbb453",
                "title": "S250201cw - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201cw/view/"
                    },
                    "event": {
                        "far": 2.0795551344766337e-05,
                        "time": "2025-02-01T17:41:17.180Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 6461.721774480775,
                        "area_90": 22134.691305154105,
                        "duration": 0.21875,
                        "pipeline": "MLy",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "125de5ad21b6209575b466bdadb4f8c1",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 90.76829406658402
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-01T17:46:36Z",
                    "superevent_id": "S250201cw",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T17:46:37.378496Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T17:46:37.378520Z",
                "modified": "2025-02-01T17:46:37.385544Z"
            }
        },
        {
            "id": 7682,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173640,
                "topic": "igwn.gwalert",
                "uuid": "64639281-e073-4aab-b242-3bbcb8232528",
                "title": "S250201dd - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201dd/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201dd/view/"
                    },
                    "event": {
                        "far": 1.730462788781942e-05,
                        "time": "2025-02-01T17:59:51.879Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 655.4883369099215,
                        "area_90": 2598.453125573773,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "18926f336cbb56fd70989807742252c8",
                        "classification": {
                            "BBH": 0.06204816156495967,
                            "BNS": 9.280885134976128e-16,
                            "NSBH": 6.687904690279053e-14,
                            "Terrestrial": 0.9379518384349725
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-01T18:00:20Z",
                    "superevent_id": "S250201dd",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T18:00:21.553201Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T18:00:21.553239Z",
                "modified": "2025-02-01T18:00:21.564316Z"
            }
        },
        {
            "id": 7683,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173642,
                "topic": "igwn.gwalert",
                "uuid": "4bc77d2f-bbaf-4aef-b71f-0c50490a79a2",
                "title": "S250201dd - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201dd/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201dd/view/"
                    },
                    "event": {
                        "far": 1.730462788781942e-05,
                        "time": "2025-02-01T17:59:51.879Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 655.4883369099215,
                        "area_90": 2598.453125573773,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "18926f336cbb56fd70989807742252c8",
                        "classification": {
                            "BBH": 0.06204816156495967,
                            "BNS": 9.280885134976128e-16,
                            "NSBH": 6.687904690279053e-14,
                            "Terrestrial": 0.9379518384349725
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-01T18:04:57Z",
                    "superevent_id": "S250201dd",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T18:04:59.022210Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T18:04:59.022249Z",
                "modified": "2025-02-01T18:04:59.027825Z"
            }
        },
        {
            "id": 7684,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173645,
                "topic": "igwn.gwalert",
                "uuid": "eb770eb2-bc2d-4c69-9449-9a3511901a7d",
                "title": "S250201dg - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201dg/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201dg/view/"
                    },
                    "event": {
                        "far": 1.948425051523373e-05,
                        "time": "2025-02-01T18:20:31.686Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2230.842508971282,
                        "area_90": 14422.421999308692,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.509925375815751,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "cce5d9c217d56b3ae2e6d2ad942e9471",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.001377118434043118,
                            "NSBH": 0.000263563823544756,
                            "Terrestrial": 0.9983593177424122
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-01T18:21:05Z",
                    "superevent_id": "S250201dg",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T18:21:06.805171Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T18:21:06.805193Z",
                "modified": "2025-02-01T18:21:06.816837Z"
            }
        },
        {
            "id": 7685,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173648,
                "topic": "igwn.gwalert",
                "uuid": "cb0e2756-eee6-43fb-a25b-5f3a0b535bd3",
                "title": "S250201dg - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201dg/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201dg/view/"
                    },
                    "event": {
                        "far": 1.948425051523373e-05,
                        "time": "2025-02-01T18:20:31.686Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2230.842508971282,
                        "area_90": 14422.421999308692,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.509925375815751,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "cce5d9c217d56b3ae2e6d2ad942e9471",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.001377118434043118,
                            "NSBH": 0.000263563823544756,
                            "Terrestrial": 0.9983593177424122
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-01T18:25:44Z",
                    "superevent_id": "S250201dg",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T18:25:44.845648Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T18:25:44.845668Z",
                "modified": "2025-02-01T18:25:44.851410Z"
            }
        },
        {
            "id": 7686,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173688,
                "topic": "igwn.gwalert",
                "uuid": "29314907-83fc-4ade-9c77-011690a0d2de",
                "title": "S250201ed - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201ed/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201ed/view/"
                    },
                    "event": {
                        "far": 5.56325e-06,
                        "time": "2025-02-01T21:08:09.469Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 2110.8235177060847,
                        "area_90": 6798.278526210453,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "39c9158432d891279c9a4a0ba3d4f1a6",
                        "classification": {
                            "BBH": 0.007009160900370182,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9929908390996298
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-01T21:09:09Z",
                    "superevent_id": "S250201ed",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T21:09:10.362525Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T21:09:10.362546Z",
                "modified": "2025-02-01T21:09:10.366733Z"
            }
        },
        {
            "id": 7687,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173690,
                "topic": "igwn.gwalert",
                "uuid": "2fec5812-5964-4a52-bff0-9c9962d98794",
                "title": "S250201ed - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201ed/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201ed/view/"
                    },
                    "event": {
                        "far": 5.56325e-06,
                        "time": "2025-02-01T21:08:09.469Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 2110.8235177060847,
                        "area_90": 6798.278526210453,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "39c9158432d891279c9a4a0ba3d4f1a6",
                        "classification": {
                            "BBH": 0.007009160900370182,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9929908390996298
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-01T21:13:45Z",
                    "superevent_id": "S250201ed",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T21:13:46.950323Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T21:13:46.950363Z",
                "modified": "2025-02-01T21:13:46.955081Z"
            }
        },
        {
            "id": 7688,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173720,
                "topic": "igwn.gwalert",
                "uuid": "09a78399-323a-4687-abfb-e222c3c80e64",
                "title": "S250201eq - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201eq/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201eq/view/"
                    },
                    "event": {
                        "far": 1.36439e-05,
                        "time": "2025-02-01T23:41:22.337Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 795.6503756601865,
                        "area_90": 3296.7454383894637,
                        "duration": 0.011391,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "2e5acfb0138e378f310b72fdad6b73ff",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 159.385345
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-01T23:42:39Z",
                    "superevent_id": "S250201eq",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T23:42:40.287864Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T23:42:40.287886Z",
                "modified": "2025-02-01T23:42:40.297027Z"
            }
        },
        {
            "id": 7689,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173723,
                "topic": "igwn.gwalert",
                "uuid": "08a0d355-0bc8-4b89-aba4-1df9551f31c3",
                "title": "S250201eq - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250201eq/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250201eq/view/"
                    },
                    "event": {
                        "far": 1.36439e-05,
                        "time": "2025-02-01T23:41:22.337Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 795.6503756601865,
                        "area_90": 3296.7454383894637,
                        "duration": 0.011391,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "2e5acfb0138e378f310b72fdad6b73ff",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 159.385345
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-01T23:47:13Z",
                    "superevent_id": "S250201eq",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-01T23:47:14.317897Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-01T23:47:14.317921Z",
                "modified": "2025-02-01T23:47:14.321594Z"
            }
        },
        {
            "id": 7690,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173733,
                "topic": "igwn.gwalert",
                "uuid": "0c338537-643c-4228-9076-c2f146c47b94",
                "title": "S250202c - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250202c/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250202c/view/"
                    },
                    "event": {
                        "far": 4.267317758670915e-06,
                        "time": "2025-02-02T00:26:04.407Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 421.53523330730866,
                        "area_90": 1430.1563714398285,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.8071999428261367,
                            "HasMassGap": 0.44307978816030735,
                            "HasRemnant": 8.82738874794123e-06
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "893576ccd4fef66acf748710e30815c5",
                        "classification": {
                            "BBH": 0.004077948370540908,
                            "BNS": 0.0,
                            "NSBH": 0.007025661393145602,
                            "Terrestrial": 0.9888963902363135
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-02T00:26:33Z",
                    "superevent_id": "S250202c",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-02T00:26:33.666015Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-02T00:26:33.666036Z",
                "modified": "2025-02-02T00:26:33.670735Z"
            }
        },
        {
            "id": 7691,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173734,
                "topic": "igwn.gwalert",
                "uuid": "992df447-5ae7-4f74-b125-bd86ca4b3f94",
                "title": "S250202c - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250202c/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250202c/view/"
                    },
                    "event": {
                        "far": 4.267317758670915e-06,
                        "time": "2025-02-02T00:26:04.407Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 421.53523330730866,
                        "area_90": 1430.1563714398285,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.8071999428261367,
                            "HasMassGap": 0.44307978816030735,
                            "HasRemnant": 8.82738874794123e-06
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "893576ccd4fef66acf748710e30815c5",
                        "classification": {
                            "BBH": 0.004077948370540908,
                            "BNS": 0.0,
                            "NSBH": 0.007025661393145602,
                            "Terrestrial": 0.9888963902363135
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-02T00:31:08Z",
                    "superevent_id": "S250202c",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-02T00:31:10.088265Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-02T00:31:10.088307Z",
                "modified": "2025-02-02T00:31:10.097032Z"
            }
        },
        {
            "id": 7692,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173765,
                "topic": "igwn.gwalert",
                "uuid": "94c93d2a-ba4b-4c5d-bec6-079cb2015ae9",
                "title": "S250202t - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250202t/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250202t/view/"
                    },
                    "event": {
                        "far": 1.659624004544537e-05,
                        "time": "2025-02-02T01:49:42.848Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 543.6524586855334,
                        "area_90": 2051.2336688960922,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "1f325cb7dd06c9ab82abda085cd236f8",
                        "classification": {
                            "BBH": 0.06487244880681146,
                            "BNS": 3.42313555731048e-16,
                            "NSBH": 2.2432155127356483e-14,
                            "Terrestrial": 0.9351275511931658
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-02T01:51:25Z",
                    "superevent_id": "S250202t",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-02T01:51:26.447659Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-02T01:51:26.447684Z",
                "modified": "2025-02-02T01:51:26.460774Z"
            }
        },
        {
            "id": 7693,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173768,
                "topic": "igwn.gwalert",
                "uuid": "9d8666ec-fb3d-4b83-af48-ad7853642551",
                "title": "S250202t - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250202t/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250202t/view/"
                    },
                    "event": {
                        "far": 1.659624004544537e-05,
                        "time": "2025-02-02T01:49:42.848Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 543.6524586855334,
                        "area_90": 2051.2336688960922,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "1f325cb7dd06c9ab82abda085cd236f8",
                        "classification": {
                            "BBH": 0.06487244880681146,
                            "BNS": 3.42313555731048e-16,
                            "NSBH": 2.2432155127356483e-14,
                            "Terrestrial": 0.9351275511931658
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-02T01:56:04Z",
                    "superevent_id": "S250202t",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-02T01:56:05.195270Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-02T01:56:05.195310Z",
                "modified": "2025-02-02T01:56:05.212137Z"
            }
        },
        {
            "id": 7694,
            "sequence_number": 1,
            "sequence_type": "EARLY_WARNING",
            "message": {
                "id": 173802,
                "topic": "igwn.gwalert",
                "uuid": "73aba1f9-9f9f-48a5-a190-25832b362b41",
                "title": "S250202ad - EARLYWARNING",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250202ad/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250202ad/view/"
                    },
                    "event": {
                        "far": 4.43606204751672e-09,
                        "time": "2025-02-02T04:20:24.541Z",
                        "group": "CBC",
                        "search": "EarlyWarning",
                        "area_50": 1993.742054199127,
                        "area_90": 7395.855601600803,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "43bbdca472c5c3255961a77725fe4244",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.9645114482461292,
                            "NSBH": 0.0,
                            "Terrestrial": 0.035488551753870674
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "EARLYWARNING",
                    "sequence_num": 1,
                    "time_created": "2025-02-02T04:20:27Z",
                    "superevent_id": "S250202ad",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-02T04:20:28.221606Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-02T04:20:28.221633Z",
                "modified": "2025-02-02T04:20:28.231290Z"
            }
        },
        {
            "id": 7695,
            "sequence_number": 2,
            "sequence_type": "RETRACTION",
            "message": {
                "id": 173804,
                "topic": "igwn.gwalert",
                "uuid": "c3e699ab-0ad5-48e7-aca4-77a49340b88a",
                "title": "S250202ad - RETRACTION",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "gracedb": "https://gracedb.ligo.org/superevents/S250202ad/view/"
                    },
                    "event": null,
                    "alert_type": "RETRACTION",
                    "sequence_num": 2,
                    "time_created": "2025-02-02T04:38:24Z",
                    "superevent_id": "S250202ad",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-02T04:38:24.521816Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-02T04:38:24.521838Z",
                "modified": "2025-02-02T04:38:24.527110Z"
            }
        },
        {
            "id": 7696,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173829,
                "topic": "igwn.gwalert",
                "uuid": "0e5d2f1d-b00e-442b-aa20-c8c84a208db0",
                "title": "S250202bc - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250202bc/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250202bc/view/"
                    },
                    "event": {
                        "far": 5.900550449836366e-06,
                        "time": "2025-02-02T06:43:23.457Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 601.7735436164068,
                        "area_90": 2235.0389771973378,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "417eb1f5b713b3b2cf80a5f3c6d09fe1",
                        "classification": {
                            "BBH": 0.23146204402839704,
                            "BNS": 1.1390635004801145e-15,
                            "NSBH": 8.230867612481249e-14,
                            "Terrestrial": 0.7685379559715195
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-02T06:43:52Z",
                    "superevent_id": "S250202bc",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-02T06:43:53.722466Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-02T06:43:53.722505Z",
                "modified": "2025-02-02T06:43:53.729847Z"
            }
        },
        {
            "id": 7697,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173831,
                "topic": "igwn.gwalert",
                "uuid": "2c09fba4-86d6-4f59-a755-78517c9d3593",
                "title": "S250202bc - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250202bc/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250202bc/view/"
                    },
                    "event": {
                        "far": 5.900550449836366e-06,
                        "time": "2025-02-02T06:43:23.457Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 601.7735436164068,
                        "area_90": 2235.0389771973378,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "417eb1f5b713b3b2cf80a5f3c6d09fe1",
                        "classification": {
                            "BBH": 0.23146204402839704,
                            "BNS": 1.1390635004801145e-15,
                            "NSBH": 8.230867612481249e-14,
                            "Terrestrial": 0.7685379559715195
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-02T06:48:28Z",
                    "superevent_id": "S250202bc",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-02T06:48:29.350135Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-02T06:48:29.350172Z",
                "modified": "2025-02-02T06:48:29.354670Z"
            }
        },
        {
            "id": 7698,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173849,
                "topic": "igwn.gwalert",
                "uuid": "b4ffa3ef-b3a6-4552-b27e-abca0d5e818d",
                "title": "S250202bl - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250202bl/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250202bl/view/"
                    },
                    "event": {
                        "far": 1.73122e-05,
                        "time": "2025-02-02T07:38:08.504Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 302.1457122760201,
                        "area_90": 850.2044625989121,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "394e72d0b260e3a342d55d554d37350b",
                        "classification": {
                            "BBH": 0.0012770864256199665,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.99872291357438
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-02T07:39:15Z",
                    "superevent_id": "S250202bl",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-02T07:39:15.547515Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-02T07:39:15.547535Z",
                "modified": "2025-02-02T07:39:15.560477Z"
            }
        },
        {
            "id": 7699,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173851,
                "topic": "igwn.gwalert",
                "uuid": "f44e44a9-ad8e-4f1f-8b0c-d8bf0a98e6ac",
                "title": "S250202bl - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250202bl/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250202bl/view/"
                    },
                    "event": {
                        "far": 1.73122e-05,
                        "time": "2025-02-02T07:38:08.504Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 302.1457122760201,
                        "area_90": 850.2044625989121,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "394e72d0b260e3a342d55d554d37350b",
                        "classification": {
                            "BBH": 0.0012770864256199665,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.99872291357438
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2025-02-02T07:43:50Z",
                    "superevent_id": "S250202bl",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-02T07:43:50.510563Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-02T07:43:50.510604Z",
                "modified": "2025-02-02T07:43:50.540252Z"
            }
        },
        {
            "id": 7700,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 173994,
                "topic": "igwn.gwalert",
                "uuid": "82711f64-722f-48dd-8644-4fabece14f4a",
                "title": "S250202cu - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S250202cu/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S250202cu/view/"
                    },
                    "event": {
                        "far": 1.460237378613981e-08,
                        "time": "2025-02-02T18:49:02.517Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1081.0102150319833,
                        "area_90": 3901.876156586715,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "1747e1489ee7128fbc63a8f0208e8c37",
                        "classification": {
                            "BBH": 0.9901415415731157,
                            "BNS": 1.2466017097087266e-15,
                            "NSBH": 9.024350547559485e-14,
                            "Terrestrial": 0.009858458426792782
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2025-02-02T18:49:33Z",
                    "superevent_id": "S250202cu",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2025-02-02T18:49:35.359311Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2025-02-02T18:49:35.359332Z",
                "modified": "2025-02-02T18:49:35.380421Z"
            }
        }
    ]
}