GET /api/v0/nonlocalizedeventsequence/?format=api&offset=7800&ordering=message
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=7900&ordering=message",
    "previous": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=7700&ordering=message",
    "results": [
        {
            "id": 3324,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5417,
                "topic": "igwn.gwalert",
                "uuid": "b5aefa57-a4de-4372-9de5-505e55a4ec00",
                "title": "S231220au - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231220au/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231220au/view/"
                    },
                    "event": {
                        "far": 5.51866e-06,
                        "time": "2023-12-20T17:06:58.186Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 863.6331609222908,
                        "area_90": 3277.4416845496075,
                        "duration": 0.006785,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a629c962f3a71e478915faf35ef52c8e",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1224.687256
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-20T17:13:03Z",
                    "superevent_id": "S231220au",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-20T17:13:04.680788Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-20T17:13:04.680807Z",
                "modified": "2023-12-20T17:13:04.686048Z"
            }
        },
        {
            "id": 3323,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5416,
                "topic": "igwn.gwalert",
                "uuid": "d20c4c39-1219-4a2d-9be6-6497e0367a32",
                "title": "S231220av - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231220av/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231220av/view/"
                    },
                    "event": {
                        "far": 2.04572e-05,
                        "time": "2023-12-20T17:07:56.527Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 909.7943114089048,
                        "area_90": 2776.38337835854,
                        "duration": 0.046621,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "ec70418dc038a8dc172d84519d9bb5fc",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 27.434893
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-20T17:10:20Z",
                    "superevent_id": "S231220av",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-20T17:10:21.448612Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-20T17:10:21.448630Z",
                "modified": "2023-12-20T17:10:21.454035Z"
            }
        },
        {
            "id": 3322,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5415,
                "topic": "igwn.gwalert",
                "uuid": "65b31755-3680-4195-b3a9-c3c24e27954c",
                "title": "S231220au - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231220au/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231220au/view/"
                    },
                    "event": {
                        "far": 5.51866e-06,
                        "time": "2023-12-20T17:06:58.186Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 863.6331609222908,
                        "area_90": 3277.4416845496075,
                        "duration": 0.006785,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a629c962f3a71e478915faf35ef52c8e",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1224.687256
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-20T17:08:29Z",
                    "superevent_id": "S231220au",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-20T17:08:31.265077Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-20T17:08:31.265094Z",
                "modified": "2023-12-20T17:08:31.274979Z"
            }
        },
        {
            "id": 3321,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5412,
                "topic": "igwn.gwalert",
                "uuid": "49445762-af3d-4290-8c75-fca0670ed227",
                "title": "S231220ah - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231220ah/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231220ah/view/"
                    },
                    "event": {
                        "far": 1.221754106811876e-05,
                        "time": "2023-12-20T10:35:08.515Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 650.0329282160488,
                        "area_90": 2314.7718734923988,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.9612609845674023,
                            "HasRemnant": 0.022889636730720492
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "4db2c852dda1e55122dc3d92285fec7e",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.000620289119499452,
                            "NSBH": 0.0016138309725019387,
                            "Terrestrial": 0.9977658799079986
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-20T10:40:10Z",
                    "superevent_id": "S231220ah",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-20T10:40:11.432366Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-20T10:40:11.432382Z",
                "modified": "2023-12-20T10:40:11.437707Z"
            }
        },
        {
            "id": 3320,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5411,
                "topic": "igwn.gwalert",
                "uuid": "08a75e25-0df4-4313-97c7-ffab51e6fd11",
                "title": "S231220ah - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231220ah/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231220ah/view/"
                    },
                    "event": {
                        "far": 1.221754106811876e-05,
                        "time": "2023-12-20T10:35:08.515Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 650.0329282160488,
                        "area_90": 2314.7718734923988,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.9612609845674023,
                            "HasRemnant": 0.022889636730720492
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "4db2c852dda1e55122dc3d92285fec7e",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.000620289119499452,
                            "NSBH": 0.0016138309725019387,
                            "Terrestrial": 0.9977658799079986
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-20T10:35:34Z",
                    "superevent_id": "S231220ah",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-20T10:35:35.836328Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-20T10:35:35.836346Z",
                "modified": "2023-12-20T10:35:35.847425Z"
            }
        },
        {
            "id": 3319,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5410,
                "topic": "igwn.gwalert",
                "uuid": "5a09ba44-fd76-4464-8a4f-b689577685a7",
                "title": "S231220ae - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231220ae/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231220ae/view/"
                    },
                    "event": {
                        "far": 1.652621335779259e-06,
                        "time": "2023-12-20T08:52:03.993Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2849.4019254919117,
                        "area_90": 10568.385580499016,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.05584942834942835,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7badf1aefa38ba1151fa8364894a5886",
                        "classification": {
                            "BBH": 0.15299891655780884,
                            "BNS": 0.0,
                            "NSBH": 0.0466114134191043,
                            "Terrestrial": 0.8003896700230868
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-20T08:57:31Z",
                    "superevent_id": "S231220ae",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-20T08:57:32.908608Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-20T08:57:32.908623Z",
                "modified": "2023-12-20T08:57:32.913368Z"
            }
        },
        {
            "id": 3318,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5409,
                "topic": "igwn.gwalert",
                "uuid": "84e4a175-597d-48b7-9b21-40b48b1d2d86",
                "title": "S231220ae - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231220ae/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231220ae/view/"
                    },
                    "event": {
                        "far": 1.652621335779259e-06,
                        "time": "2023-12-20T08:52:03.993Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2849.4019254919117,
                        "area_90": 10568.385580499016,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.05584942834942835,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7badf1aefa38ba1151fa8364894a5886",
                        "classification": {
                            "BBH": 0.15299891655780884,
                            "BNS": 0.0,
                            "NSBH": 0.0466114134191043,
                            "Terrestrial": 0.8003896700230868
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-20T08:52:54Z",
                    "superevent_id": "S231220ae",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-20T08:52:56.442834Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-20T08:52:56.442851Z",
                "modified": "2023-12-20T08:52:56.452334Z"
            }
        },
        {
            "id": 3317,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5408,
                "topic": "igwn.gwalert",
                "uuid": "15ddc13c-eae6-4743-916b-2aaf52835bd0",
                "title": "S231220aa - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231220aa/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231220aa/view/"
                    },
                    "event": {
                        "far": 9.548954039928503e-06,
                        "time": "2023-12-20T07:24:23.888Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 3206.941018351869,
                        "area_90": 11471.465542746231,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "5e392814bcf6a114dcc22bd42f7f87d3",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.007688257267031929,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9923117427329681
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-20T07:29:29Z",
                    "superevent_id": "S231220aa",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-20T07:29:30.436591Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-20T07:29:30.436607Z",
                "modified": "2023-12-20T07:29:30.441666Z"
            }
        },
        {
            "id": 3316,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5407,
                "topic": "igwn.gwalert",
                "uuid": "1e7a5e77-2d0e-4318-ab9a-fef4b3fa7532",
                "title": "S231220aa - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231220aa/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231220aa/view/"
                    },
                    "event": {
                        "far": 9.548954039928503e-06,
                        "time": "2023-12-20T07:24:23.888Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 3206.941018351869,
                        "area_90": 11471.465542746231,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "5e392814bcf6a114dcc22bd42f7f87d3",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.007688257267031929,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9923117427329681
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-20T07:24:49Z",
                    "superevent_id": "S231220aa",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-20T07:24:50.885436Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-20T07:24:50.885454Z",
                "modified": "2023-12-20T07:24:50.895353Z"
            }
        },
        {
            "id": 3315,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5406,
                "topic": "igwn.gwalert",
                "uuid": "37ffaa4d-113c-4e57-9705-33d45c8e2da2",
                "title": "S231220z - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231220z/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231220z/view/"
                    },
                    "event": {
                        "far": 1.38567e-05,
                        "time": "2023-12-20T07:11:06.333Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 118.34040397477453,
                        "area_90": 540.5051075159915,
                        "duration": 0.090621,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "27def11863780a6f12efc73320386638",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1190.056152
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-20T07:19:07Z",
                    "superevent_id": "S231220z",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-20T07:19:08.348561Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-20T07:19:08.348577Z",
                "modified": "2023-12-20T07:19:08.353652Z"
            }
        },
        {
            "id": 3314,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5405,
                "topic": "igwn.gwalert",
                "uuid": "5c827ac4-812c-4acc-a178-9280b74e2797",
                "title": "S231220z - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231220z/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231220z/view/"
                    },
                    "event": {
                        "far": 1.38567e-05,
                        "time": "2023-12-20T07:11:06.333Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 118.34040397477453,
                        "area_90": 540.5051075159915,
                        "duration": 0.090621,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "27def11863780a6f12efc73320386638",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1190.056152
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-20T07:14:32Z",
                    "superevent_id": "S231220z",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-20T07:14:33.859732Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-20T07:14:33.859748Z",
                "modified": "2023-12-20T07:14:33.869599Z"
            }
        },
        {
            "id": 3313,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5390,
                "topic": "igwn.gwalert",
                "uuid": "40818b7f-10e9-4f1b-ab21-7138b203ceaf",
                "title": "S231217l - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231217l/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231217l/view/"
                    },
                    "event": {
                        "far": 2.19131e-05,
                        "time": "2023-12-17T19:29:18.340Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 1159.0645240366218,
                        "area_90": 3596.3732697298497,
                        "duration": 0.004877,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "77957444824c6372f27a0567c271dd22",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 115.637711
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-17T19:38:22Z",
                    "superevent_id": "S231217l",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-17T19:38:23.116473Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-17T19:38:23.116490Z",
                "modified": "2023-12-17T19:38:23.122195Z"
            }
        },
        {
            "id": 3312,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5389,
                "topic": "igwn.gwalert",
                "uuid": "fe435f99-a5c3-4ad9-aabe-47c72f4954f3",
                "title": "S231217l - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231217l/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231217l/view/"
                    },
                    "event": {
                        "far": 2.19131e-05,
                        "time": "2023-12-17T19:29:18.340Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 1159.0645240366218,
                        "area_90": 3596.3732697298497,
                        "duration": 0.004877,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "77957444824c6372f27a0567c271dd22",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 115.637711
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-17T19:33:46Z",
                    "superevent_id": "S231217l",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-17T19:33:46.555352Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-17T19:33:46.555375Z",
                "modified": "2023-12-17T19:33:46.560447Z"
            }
        },
        {
            "id": 3311,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5384,
                "topic": "igwn.gwalert",
                "uuid": "40d06241-d605-4e08-8b10-ad4df7532728",
                "title": "S231217g - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231217g/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231217g/view/"
                    },
                    "event": {
                        "far": 2.11459e-05,
                        "time": "2023-12-17T06:09:05.675Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1070.0993976442378,
                        "area_90": 4521.2748667525575,
                        "duration": 0.040272,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c8a6e18bbff31da672ae30b39965d942",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 43.409092
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-17T06:15:31Z",
                    "superevent_id": "S231217g",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-17T06:15:31.876226Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-17T06:15:31.876243Z",
                "modified": "2023-12-17T06:15:31.881392Z"
            }
        },
        {
            "id": 3310,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5383,
                "topic": "igwn.gwalert",
                "uuid": "72c7ddee-b449-45ef-ada5-28da5662b8be",
                "title": "S231217g - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231217g/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231217g/view/"
                    },
                    "event": {
                        "far": 2.11459e-05,
                        "time": "2023-12-17T06:09:05.675Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1070.0993976442378,
                        "area_90": 4521.2748667525575,
                        "duration": 0.040272,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c8a6e18bbff31da672ae30b39965d942",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 43.409092
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-17T06:10:56Z",
                    "superevent_id": "S231217g",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-17T06:10:58.367802Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-17T06:10:58.367821Z",
                "modified": "2023-12-17T06:10:58.374907Z"
            }
        },
        {
            "id": 3309,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5379,
                "topic": "igwn.gwalert",
                "uuid": "61f66a46-6ddd-48c3-8a09-361cff85a3dd",
                "title": "S231217f - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231217f/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231217f/view/"
                    },
                    "event": {
                        "far": 1.699736774406473e-05,
                        "time": "2023-12-17T01:19:54.653Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 532.3219944751827,
                        "area_90": 1799.445575332742,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.5716327281709846,
                            "HasRemnant": 0.09347985684547747
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "8bf219314c0df409b038081a5bd2bb1f",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.00046938612845969467,
                            "NSBH": 0.001172940892092829,
                            "Terrestrial": 0.9983576729794474
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-17T01:25:05Z",
                    "superevent_id": "S231217f",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-17T01:25:07.127227Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-17T01:25:07.127245Z",
                "modified": "2023-12-17T01:25:07.132370Z"
            }
        },
        {
            "id": 3308,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5378,
                "topic": "igwn.gwalert",
                "uuid": "0cd8a95d-5d63-4538-9be7-c02539303f15",
                "title": "S231217f - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231217f/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231217f/view/"
                    },
                    "event": {
                        "far": 1.699736774406473e-05,
                        "time": "2023-12-17T01:19:54.653Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 532.3219944751827,
                        "area_90": 1799.445575332742,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.5716327281709846,
                            "HasRemnant": 0.09347985684547747
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "8bf219314c0df409b038081a5bd2bb1f",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.00046938612845969467,
                            "NSBH": 0.001172940892092829,
                            "Terrestrial": 0.9983576729794474
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-17T01:20:31Z",
                    "superevent_id": "S231217f",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-17T01:20:33.580353Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-17T01:20:33.580372Z",
                "modified": "2023-12-17T01:20:33.589072Z"
            }
        },
        {
            "id": 3307,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5377,
                "topic": "igwn.gwalert",
                "uuid": "1924d100-a5da-46bb-b73c-e4ba60749227",
                "title": "S231217c - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231217c/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231217c/view/"
                    },
                    "event": {
                        "far": 1.68795e-05,
                        "time": "2023-12-17T00:37:04.567Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1764.195242233873,
                        "area_90": 5788.608271021419,
                        "duration": 0.027687,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "1c0e4eee5a9149e3bdf227eac43c3247",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 55.067146
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-17T00:43:56Z",
                    "superevent_id": "S231217c",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-17T00:43:57.797591Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-17T00:43:57.797608Z",
                "modified": "2023-12-17T00:43:57.802983Z"
            }
        },
        {
            "id": 3306,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5376,
                "topic": "igwn.gwalert",
                "uuid": "171db840-de8c-4029-8b39-20b57c61bd11",
                "title": "S231217c - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231217c/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231217c/view/"
                    },
                    "event": {
                        "far": 1.68795e-05,
                        "time": "2023-12-17T00:37:04.567Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1764.195242233873,
                        "area_90": 5788.608271021419,
                        "duration": 0.027687,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "1c0e4eee5a9149e3bdf227eac43c3247",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 55.067146
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-17T00:39:23Z",
                    "superevent_id": "S231217c",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-17T00:39:24.334094Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-17T00:39:24.334119Z",
                "modified": "2023-12-17T00:39:24.343472Z"
            }
        },
        {
            "id": 3305,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5372,
                "topic": "igwn.gwalert",
                "uuid": "d5cff8d6-ad55-4d21-b77e-babaa775d5b5",
                "title": "S231216ch - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231216ch/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231216ch/view/"
                    },
                    "event": {
                        "far": 9.524916e-06,
                        "time": "2023-12-16T21:33:47.185Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 857.3384585832071,
                        "area_90": 3207.78031199708,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a1ac881fe32b7cf0314d15611b51e432",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0012788,
                            "NSBH": 4.1475e-05,
                            "Terrestrial": 0.998679725
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-16T21:38:54Z",
                    "superevent_id": "S231216ch",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-16T21:38:55.099636Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-16T21:38:55.099657Z",
                "modified": "2023-12-16T21:38:55.105000Z"
            }
        },
        {
            "id": 3304,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5371,
                "topic": "igwn.gwalert",
                "uuid": "96ba3336-6590-43b5-a614-93c62782b918",
                "title": "S231216ch - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231216ch/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231216ch/view/"
                    },
                    "event": {
                        "far": 9.524916e-06,
                        "time": "2023-12-16T21:33:47.185Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 857.3384585832071,
                        "area_90": 3207.78031199708,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a1ac881fe32b7cf0314d15611b51e432",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0012788,
                            "NSBH": 4.1475e-05,
                            "Terrestrial": 0.998679725
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-16T21:34:19Z",
                    "superevent_id": "S231216ch",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-16T21:34:20.513139Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-16T21:34:20.513163Z",
                "modified": "2023-12-16T21:34:20.523262Z"
            }
        },
        {
            "id": 3303,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5364,
                "topic": "igwn.gwalert",
                "uuid": "8ec93277-f5f5-436b-9296-726b2253b50e",
                "title": "S231216cc - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231216cc/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231216cc/view/"
                    },
                    "event": {
                        "far": 2.643000250768269e-06,
                        "time": "2023-12-16T16:46:41.366Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 561.4874486462708,
                        "area_90": 2395.3440634326703,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0047305762096219684
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "3519160810ed1b6d23e147c5b819907a",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.000377386487513384,
                            "NSBH": 0.009425022809313408,
                            "Terrestrial": 0.9901975907031733
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-16T16:52:41Z",
                    "superevent_id": "S231216cc",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-16T16:52:41.956887Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-16T16:52:41.956904Z",
                "modified": "2023-12-16T16:52:41.961757Z"
            }
        },
        {
            "id": 3302,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5362,
                "topic": "igwn.gwalert",
                "uuid": "b18022fa-8545-46c3-850b-e1e31b0c6b53",
                "title": "S231216cc - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231216cc/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231216cc/view/"
                    },
                    "event": {
                        "far": 2.643000250768269e-06,
                        "time": "2023-12-16T16:46:41.366Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 561.4874486462708,
                        "area_90": 2395.3440634326703,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0047305762096219684
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "3519160810ed1b6d23e147c5b819907a",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.000377386487513384,
                            "NSBH": 0.009425022809313408,
                            "Terrestrial": 0.9901975907031733
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-16T16:47:08Z",
                    "superevent_id": "S231216cc",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-16T16:47:09.399003Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-16T16:47:09.399019Z",
                "modified": "2023-12-16T16:47:09.411347Z"
            }
        },
        {
            "id": 3301,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5361,
                "topic": "igwn.gwalert",
                "uuid": "6ac5d25a-6241-49aa-962f-93434e24170f",
                "title": "S231216by - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231216by/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231216by/view/"
                    },
                    "event": {
                        "far": 1.23675564338227e-05,
                        "time": "2023-12-16T16:00:53.076Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1496.670392822814,
                        "area_90": 5554.445344007503,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "28433870bb360540e4eb19c5d7059019",
                        "classification": {
                            "BBH": 0.0743024176183014,
                            "BNS": 9.330074693005146e-15,
                            "NSBH": 7.067016521752458e-13,
                            "Terrestrial": 0.9256975823809825
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-16T16:05:54Z",
                    "superevent_id": "S231216by",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-16T16:05:56.056728Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-16T16:05:56.056753Z",
                "modified": "2023-12-16T16:05:56.062070Z"
            }
        },
        {
            "id": 3300,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5360,
                "topic": "igwn.gwalert",
                "uuid": "1937e1e1-1ab9-4edd-b487-3c7f5789ea0c",
                "title": "S231216by - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231216by/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231216by/view/"
                    },
                    "event": {
                        "far": 1.23675564338227e-05,
                        "time": "2023-12-16T16:00:53.076Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1496.670392822814,
                        "area_90": 5554.445344007503,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "28433870bb360540e4eb19c5d7059019",
                        "classification": {
                            "BBH": 0.0743024176183014,
                            "BNS": 9.330074693005146e-15,
                            "NSBH": 7.067016521752458e-13,
                            "Terrestrial": 0.9256975823809825
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-16T16:01:19Z",
                    "superevent_id": "S231216by",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-16T16:01:21.427562Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-16T16:01:21.427578Z",
                "modified": "2023-12-16T16:01:21.435836Z"
            }
        },
        {
            "id": 3299,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5359,
                "topic": "igwn.gwalert",
                "uuid": "8f848849-595f-41b3-a210-66fb07c4e073",
                "title": "S231216bn - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231216bn/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231216bn/view/"
                    },
                    "event": {
                        "far": 1.75096e-05,
                        "time": "2023-12-16T13:48:59.348Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 3586.3017459873163,
                        "area_90": 9843.235871036568,
                        "duration": 0.061031,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "b10abc13fd8f7b85c4f156646102581c",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 26.261301
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-16T13:55:46Z",
                    "superevent_id": "S231216bn",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-16T13:55:48.251136Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-16T13:55:48.251152Z",
                "modified": "2023-12-16T13:55:48.255945Z"
            }
        },
        {
            "id": 3298,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5358,
                "topic": "igwn.gwalert",
                "uuid": "9fa97a59-ce7f-4e0c-9be6-933ff9cbe3ea",
                "title": "S231216bn - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231216bn/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231216bn/view/"
                    },
                    "event": {
                        "far": 1.75096e-05,
                        "time": "2023-12-16T13:48:59.348Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 3586.3017459873163,
                        "area_90": 9843.235871036568,
                        "duration": 0.061031,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "b10abc13fd8f7b85c4f156646102581c",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 26.261301
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-16T13:51:13Z",
                    "superevent_id": "S231216bn",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-16T13:51:14.738077Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-16T13:51:14.738095Z",
                "modified": "2023-12-16T13:51:14.745331Z"
            }
        },
        {
            "id": 3297,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5356,
                "topic": "igwn.gwalert",
                "uuid": "7ce12543-93f4-4220-b965-3258b4e90deb",
                "title": "S231216bh - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231216bh/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231216bh/view/"
                    },
                    "event": {
                        "far": 1.4628e-05,
                        "time": "2023-12-16T12:52:22.685Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 687.3814954279458,
                        "area_90": 2389.469007916193,
                        "duration": 0.007333,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "dddf25f1248462bbfbe6d1583b9555f2",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1171.869507
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-16T12:59:16Z",
                    "superevent_id": "S231216bh",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-16T12:59:17.463705Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-16T12:59:17.463722Z",
                "modified": "2023-12-16T12:59:17.470356Z"
            }
        },
        {
            "id": 3296,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5355,
                "topic": "igwn.gwalert",
                "uuid": "406ffc93-b916-459f-a6e2-d1b75ceadc41",
                "title": "S231216bh - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231216bh/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231216bh/view/"
                    },
                    "event": {
                        "far": 1.4628e-05,
                        "time": "2023-12-16T12:52:22.685Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 687.3814954279458,
                        "area_90": 2389.469007916193,
                        "duration": 0.007333,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "dddf25f1248462bbfbe6d1583b9555f2",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1171.869507
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-16T12:54:42Z",
                    "superevent_id": "S231216bh",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-16T12:54:43.904707Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-16T12:54:43.904723Z",
                "modified": "2023-12-16T12:54:43.913150Z"
            }
        },
        {
            "id": 3295,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5349,
                "topic": "igwn.gwalert",
                "uuid": "6522a150-4c02-47c9-a001-179d6f56506f",
                "title": "S231216aj - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231216aj/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231216aj/view/"
                    },
                    "event": {
                        "far": 1.997452500290819e-06,
                        "time": "2023-12-16T06:31:30.790Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1181.3058056347177,
                        "area_90": 4941.7609830033525,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.00012718287792761262,
                            "HasMassGap": 0.4500980663032879,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a836b18d41003839720b51ae0e1d9396",
                        "classification": {
                            "BBH": 0.5127061446913633,
                            "BNS": 0.0,
                            "NSBH": 0.0012361753345400738,
                            "Terrestrial": 0.48605767997409655
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-16T06:36:32Z",
                    "superevent_id": "S231216aj",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-16T06:36:34.391322Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-16T06:36:34.391341Z",
                "modified": "2023-12-16T06:36:34.396462Z"
            }
        },
        {
            "id": 3294,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5348,
                "topic": "igwn.gwalert",
                "uuid": "21733718-7293-48a9-b354-62f896314df8",
                "title": "S231216aj - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231216aj/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231216aj/view/"
                    },
                    "event": {
                        "far": 1.997452500290819e-06,
                        "time": "2023-12-16T06:31:30.790Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1181.3058056347177,
                        "area_90": 4941.7609830033525,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.00012718287792761262,
                            "HasMassGap": 0.4500980663032879,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a836b18d41003839720b51ae0e1d9396",
                        "classification": {
                            "BBH": 0.5127061446913633,
                            "BNS": 0.0,
                            "NSBH": 0.0012361753345400738,
                            "Terrestrial": 0.48605767997409655
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-16T06:31:57Z",
                    "superevent_id": "S231216aj",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-16T06:31:58.962603Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-16T06:31:58.962631Z",
                "modified": "2023-12-16T06:31:58.971155Z"
            }
        },
        {
            "id": 3293,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5347,
                "topic": "igwn.gwalert",
                "uuid": "f7b60d10-58a0-45ee-9070-405891994179",
                "title": "S231216ae - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231216ae/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231216ae/view/"
                    },
                    "event": {
                        "far": 1.5404e-05,
                        "time": "2023-12-16T05:17:05.614Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 2225.8067471000145,
                        "area_90": 6773.099716854117,
                        "duration": 0.098804,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c48b6025564f23d07c3bc5519015ba30",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 22.332561
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-16T05:24:01Z",
                    "superevent_id": "S231216ae",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-16T05:24:01.830694Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-16T05:24:01.830714Z",
                "modified": "2023-12-16T05:24:01.835727Z"
            }
        },
        {
            "id": 3292,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5346,
                "topic": "igwn.gwalert",
                "uuid": "10d182b1-41eb-4f2d-bd7b-98d31d2db7f4",
                "title": "S231216ae - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231216ae/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231216ae/view/"
                    },
                    "event": {
                        "far": 1.5404e-05,
                        "time": "2023-12-16T05:17:05.614Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 2225.8067471000145,
                        "area_90": 6773.099716854117,
                        "duration": 0.098804,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c48b6025564f23d07c3bc5519015ba30",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 22.332561
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-16T05:19:27Z",
                    "superevent_id": "S231216ae",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-16T05:19:28.268868Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-16T05:19:28.268887Z",
                "modified": "2023-12-16T05:19:28.277872Z"
            }
        },
        {
            "id": 3291,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5344,
                "topic": "igwn.gwalert",
                "uuid": "2622fe13-ad39-47b5-a355-666c69957fc4",
                "title": "S231216l - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231216l/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231216l/view/"
                    },
                    "event": {
                        "far": 2.122873492864919e-05,
                        "time": "2023-12-16T02:03:38.140Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1228.0964263552403,
                        "area_90": 4132.681909019786,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.027430592396109635,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "6a4aac720f34927ba260ec8fc04eb8d5",
                        "classification": {
                            "BBH": 0.03137728389732138,
                            "BNS": 7.507454921112897e-16,
                            "NSBH": 5.949214369824389e-14,
                            "Terrestrial": 0.9686227161026184
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-16T02:08:37Z",
                    "superevent_id": "S231216l",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-16T02:08:38.689977Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-16T02:08:38.689994Z",
                "modified": "2023-12-16T02:08:38.695310Z"
            }
        },
        {
            "id": 3290,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5343,
                "topic": "igwn.gwalert",
                "uuid": "df79f1d9-3cae-451a-adb4-78d3d1669084",
                "title": "S231216l - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231216l/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231216l/view/"
                    },
                    "event": {
                        "far": 2.122873492864919e-05,
                        "time": "2023-12-16T02:03:38.150Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1274.8870470757627,
                        "area_90": 4257.7366621562505,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.030764199965011327,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "b667776bf541e6cc0021637670e93669",
                        "classification": {
                            "BBH": 0.03137728389732138,
                            "BNS": 7.507454921112897e-16,
                            "NSBH": 5.949214369824389e-14,
                            "Terrestrial": 0.9686227161026184
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-16T02:04:01Z",
                    "superevent_id": "S231216l",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-16T02:04:03.107238Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-16T02:04:03.107254Z",
                "modified": "2023-12-16T02:04:03.117384Z"
            }
        },
        {
            "id": 3289,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5334,
                "topic": "igwn.gwalert",
                "uuid": "0b48d73a-c276-4d1d-8e2b-a45bc0313832",
                "title": "S231215ai - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231215ai/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231215ai/view/"
                    },
                    "event": {
                        "far": 2.213797789144227e-05,
                        "time": "2023-12-15T18:42:40.451Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 486.5280349583484,
                        "area_90": 2099.0734066731284,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.18601107289492508,
                            "HasRemnant": 0.11621352817811184
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "56479f6547620cb55e91cb678d77d6d3",
                        "classification": {
                            "BBH": 2.7349329670317533e-06,
                            "BNS": 1.3095769555416142e-05,
                            "NSBH": 0.0011387312081555384,
                            "Terrestrial": 0.998845438089322
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-15T18:47:42Z",
                    "superevent_id": "S231215ai",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-15T18:47:44.152972Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-15T18:47:44.152991Z",
                "modified": "2023-12-15T18:47:44.158489Z"
            }
        },
        {
            "id": 3288,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5333,
                "topic": "igwn.gwalert",
                "uuid": "e363492e-aa15-4664-b1c0-526f62fbedd9",
                "title": "S231215ah - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231215ah/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231215ah/view/"
                    },
                    "event": {
                        "far": 1.40561e-05,
                        "time": "2023-12-15T18:39:58.781Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 2639.57851418912,
                        "area_90": 8451.687007276452,
                        "duration": 0.065266,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "b2c96e12c2de0d5c1e42d0feaef74f5e",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 29.013786
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-15T18:47:18Z",
                    "superevent_id": "S231215ah",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-15T18:47:19.083820Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-15T18:47:19.083838Z",
                "modified": "2023-12-15T18:47:19.089601Z"
            }
        },
        {
            "id": 3287,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5332,
                "topic": "igwn.gwalert",
                "uuid": "50dac038-79ef-454e-8704-1250f6d34237",
                "title": "S231215ai - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231215ai/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231215ai/view/"
                    },
                    "event": {
                        "far": 2.213797789144227e-05,
                        "time": "2023-12-15T18:42:40.451Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 486.5280349583484,
                        "area_90": 2099.0734066731284,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.18601107289492508,
                            "HasRemnant": 0.11621352817811184
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "56479f6547620cb55e91cb678d77d6d3",
                        "classification": {
                            "BBH": 2.7349329670317533e-06,
                            "BNS": 1.3095769555416142e-05,
                            "NSBH": 0.0011387312081555384,
                            "Terrestrial": 0.998845438089322
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-15T18:43:08Z",
                    "superevent_id": "S231215ai",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-15T18:43:09.568233Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-15T18:43:09.568251Z",
                "modified": "2023-12-15T18:43:09.573540Z"
            }
        },
        {
            "id": 3286,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5331,
                "topic": "igwn.gwalert",
                "uuid": "579b90d0-841c-4bad-bd58-184a03732e5a",
                "title": "S231215ah - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231215ah/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231215ah/view/"
                    },
                    "event": {
                        "far": 1.40561e-05,
                        "time": "2023-12-15T18:39:58.781Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 2639.57851418912,
                        "area_90": 8451.687007276452,
                        "duration": 0.065266,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "b2c96e12c2de0d5c1e42d0feaef74f5e",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 29.013786
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-15T18:42:44Z",
                    "superevent_id": "S231215ah",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-15T18:42:45.479971Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-15T18:42:45.479990Z",
                "modified": "2023-12-15T18:42:45.492477Z"
            }
        },
        {
            "id": 3285,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5312,
                "topic": "igwn.gwalert",
                "uuid": "aa9d7ab7-99a6-4a65-b49c-d6994263e6a8",
                "title": "S231215i - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231215i/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231215i/view/"
                    },
                    "event": {
                        "far": 1.487917e-05,
                        "time": "2023-12-15T02:30:21.314Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 799.6370204749394,
                        "area_90": 2325.6826908801436,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.5742982037545691,
                            "HasRemnant": 0.7318907382459198
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c5b6754180b13541b84b84961a5d5d09",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.000850696,
                            "NSBH": 0.000414045,
                            "Terrestrial": 0.99873526
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-15T02:35:35Z",
                    "superevent_id": "S231215i",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-15T02:35:37.033290Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-15T02:35:37.033308Z",
                "modified": "2023-12-15T02:35:37.039429Z"
            }
        },
        {
            "id": 3284,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5311,
                "topic": "igwn.gwalert",
                "uuid": "88ccae41-3679-4379-88d5-3bd963921a3f",
                "title": "S231215i - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231215i/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231215i/view/"
                    },
                    "event": {
                        "far": 1.487917e-05,
                        "time": "2023-12-15T02:30:21.314Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 799.6370204749394,
                        "area_90": 2325.6826908801436,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.5742982037545691,
                            "HasRemnant": 0.7318907382459198
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c5b6754180b13541b84b84961a5d5d09",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.000850696,
                            "NSBH": 0.000414045,
                            "Terrestrial": 0.99873526
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-15T02:30:55Z",
                    "superevent_id": "S231215i",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-15T02:30:56.528868Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-15T02:30:56.528884Z",
                "modified": "2023-12-15T02:30:56.537234Z"
            }
        },
        {
            "id": 3283,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5309,
                "topic": "igwn.gwalert",
                "uuid": "cfff002e-1e81-4ee7-9cd5-d1aa5fa5baf4",
                "title": "S231215b - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231215b/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231215b/view/"
                    },
                    "event": {
                        "far": 1.525553428541484e-05,
                        "time": "2023-12-15T00:37:21.508Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 444.7731761090928,
                        "area_90": 1778.4632342024627,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 6.274452251527807e-05,
                            "HasMassGap": 0.23259768206632875,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "84f9f6f236e92abb3e4cdaa5a35d6c10",
                        "classification": {
                            "BBH": 0.02879788701940607,
                            "BNS": 0.0,
                            "NSBH": 0.01525595321606869,
                            "Terrestrial": 0.9559461597645252
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-15T00:42:23Z",
                    "superevent_id": "S231215b",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-15T00:42:24.490316Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-15T00:42:24.490334Z",
                "modified": "2023-12-15T00:42:24.495574Z"
            }
        },
        {
            "id": 3282,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5308,
                "topic": "igwn.gwalert",
                "uuid": "3d17e9f0-c8f8-43a5-9b1d-eb63cde9e796",
                "title": "S231215b - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231215b/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231215b/view/"
                    },
                    "event": {
                        "far": 1.525553428541484e-05,
                        "time": "2023-12-15T00:37:21.508Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 444.7731761090928,
                        "area_90": 1778.4632342024627,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 6.274452251527807e-05,
                            "HasMassGap": 0.23259768206632875,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "84f9f6f236e92abb3e4cdaa5a35d6c10",
                        "classification": {
                            "BBH": 0.02879788701940607,
                            "BNS": 0.0,
                            "NSBH": 0.01525595321606869,
                            "Terrestrial": 0.9559461597645252
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-15T00:37:48Z",
                    "superevent_id": "S231215b",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-15T00:37:48.892866Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-15T00:37:48.892882Z",
                "modified": "2023-12-15T00:37:48.902186Z"
            }
        },
        {
            "id": 3281,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5300,
                "topic": "igwn.gwalert",
                "uuid": "629d3db0-c91d-4763-8e1c-2bfa5b572b1c",
                "title": "S231214ar - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231214ar/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231214ar/view/"
                    },
                    "event": {
                        "far": 1.000302745524095e-05,
                        "time": "2023-12-14T17:59:18.608Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 294.9068045860738,
                        "area_90": 2372.683135011969,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.2897645151329462,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9fe32f420452dcda21f217abff67437c",
                        "classification": {
                            "BBH": 1.7473540731605542e-05,
                            "BNS": 0.00018536500636225333,
                            "NSBH": 0.00163755956592677,
                            "Terrestrial": 0.9981596018869794
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-14T18:04:20Z",
                    "superevent_id": "S231214ar",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-14T18:04:20.915626Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-14T18:04:20.915644Z",
                "modified": "2023-12-14T18:04:20.920900Z"
            }
        },
        {
            "id": 3280,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5299,
                "topic": "igwn.gwalert",
                "uuid": "de6715ba-33ac-4890-b695-7fd8e3efba07",
                "title": "S231214ar - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231214ar/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231214ar/view/"
                    },
                    "event": {
                        "far": 1.000302745524095e-05,
                        "time": "2023-12-14T17:59:18.608Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 294.9068045860738,
                        "area_90": 2372.683135011969,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.2897645151329462,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9fe32f420452dcda21f217abff67437c",
                        "classification": {
                            "BBH": 1.7473540731605542e-05,
                            "BNS": 0.00018536500636225333,
                            "NSBH": 0.00163755956592677,
                            "Terrestrial": 0.9981596018869794
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-14T17:59:45Z",
                    "superevent_id": "S231214ar",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-14T17:59:46.198495Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-14T17:59:46.198514Z",
                "modified": "2023-12-14T17:59:46.207095Z"
            }
        },
        {
            "id": 3279,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5298,
                "topic": "igwn.gwalert",
                "uuid": "99360735-00aa-4239-80fd-1819cad530e6",
                "title": "S231214aq - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231214aq/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231214aq/view/"
                    },
                    "event": {
                        "far": 8.752245916703984e-06,
                        "time": "2023-12-14T17:31:35.829Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 689.8993763635792,
                        "area_90": 2752.8831562926275,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.5261116646031003,
                            "HasRemnant": 0.05809818210777603
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "36ed9d6eee4fd82a7a6f635acdbca91e",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0003853971933216812,
                            "NSBH": 0.00249086439732096,
                            "Terrestrial": 0.9971237384093573
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-14T17:36:41Z",
                    "superevent_id": "S231214aq",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-14T17:36:42.510329Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-14T17:36:42.510356Z",
                "modified": "2023-12-14T17:36:42.523692Z"
            }
        },
        {
            "id": 3278,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5297,
                "topic": "igwn.gwalert",
                "uuid": "983f9acc-d592-49c8-9d69-1ecab80d4ccf",
                "title": "S231214aq - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231214aq/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231214aq/view/"
                    },
                    "event": {
                        "far": 8.752245916703984e-06,
                        "time": "2023-12-14T17:31:35.829Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 689.8993763635792,
                        "area_90": 2752.8831562926275,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.5261116646031003,
                            "HasRemnant": 0.05809818210777603
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "36ed9d6eee4fd82a7a6f635acdbca91e",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0003853971933216812,
                            "NSBH": 0.00249086439732096,
                            "Terrestrial": 0.9971237384093573
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-14T17:32:05Z",
                    "superevent_id": "S231214aq",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-14T17:32:07.801597Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-14T17:32:07.801616Z",
                "modified": "2023-12-14T17:32:07.811808Z"
            }
        },
        {
            "id": 3277,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5296,
                "topic": "igwn.gwalert",
                "uuid": "76c1c6af-6874-4977-b814-d68b2e9bfc09",
                "title": "S231214am - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231214am/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231214am/view/"
                    },
                    "event": {
                        "far": 5.787744157714769e-06,
                        "time": "2023-12-14T16:59:26.407Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 69.80562614779754,
                        "area_90": 339.494279487917,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.4734594893037146,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c4091116164f70dc7d6511d2b996ca53",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0031112022730177655,
                            "NSBH": 0.0003663839969368494,
                            "Terrestrial": 0.9965224137300454
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-14T17:04:54Z",
                    "superevent_id": "S231214am",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-14T17:04:55.749614Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-14T17:04:55.749633Z",
                "modified": "2023-12-14T17:04:55.755171Z"
            }
        },
        {
            "id": 3276,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5295,
                "topic": "igwn.gwalert",
                "uuid": "c3e46e09-2ab0-43c5-8b82-f0e063ae940e",
                "title": "S231214am - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231214am/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231214am/view/"
                    },
                    "event": {
                        "far": 5.787744157714769e-06,
                        "time": "2023-12-14T16:59:26.407Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 69.80562614779754,
                        "area_90": 339.494279487917,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.4734594893037146,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c4091116164f70dc7d6511d2b996ca53",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0031112022730177655,
                            "NSBH": 0.0003663839969368494,
                            "Terrestrial": 0.9965224137300454
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-14T17:00:18Z",
                    "superevent_id": "S231214am",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-14T17:00:20.172922Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-14T17:00:20.172942Z",
                "modified": "2023-12-14T17:00:20.182638Z"
            }
        },
        {
            "id": 3275,
            "sequence_number": 4,
            "sequence_type": "UPDATE",
            "message": {
                "id": 5291,
                "topic": "igwn.gwalert",
                "uuid": "c0a95aec-ea3d-4c70-9adc-1bf867c81966",
                "title": "S231213ap - UPDATE",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231213ap/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231213ap/view/"
                    },
                    "event": {
                        "far": 6.335091684487701e-10,
                        "time": "2023-12-13T11:14:17.914Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 355.38840289410354,
                        "area_90": 1468.7638791195423,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "95f75a91cbd53bc604695ab764521b16",
                        "classification": {
                            "BBH": 0.9999780969281209,
                            "BNS": 0.0,
                            "NSBH": 2.0080409287893234e-09,
                            "Terrestrial": 2.1901063838147827e-05
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "UPDATE",
                    "sequence_num": 4,
                    "time_created": "2023-12-13T17:09:10Z",
                    "superevent_id": "S231213ap",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-13T17:09:12.392382Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-13T17:09:12.392401Z",
                "modified": "2023-12-13T17:09:12.401372Z"
            }
        },
        {
            "id": 3274,
            "sequence_number": 3,
            "sequence_type": "INITIAL",
            "message": {
                "id": 5289,
                "topic": "igwn.gwalert",
                "uuid": "40059afb-a666-4007-8bd1-142506c2e476",
                "title": "S231213ap - INITIAL",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231213ap/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231213ap/view/"
                    },
                    "event": {
                        "far": 6.335091684487701e-10,
                        "time": "2023-12-13T11:14:17.914Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 417.6535001982069,
                        "area_90": 2105.7877558348177,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "ea2207233607c06b2f3e58f244ebd617",
                        "classification": {
                            "BBH": 0.9999780989361619,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 2.1901063838147827e-05
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "INITIAL",
                    "sequence_num": 3,
                    "time_created": "2023-12-13T15:48:28Z",
                    "superevent_id": "S231213ap",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-13T15:48:30.197098Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-13T15:48:30.197117Z",
                "modified": "2023-12-13T15:48:30.214270Z"
            }
        },
        {
            "id": 3273,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5288,
                "topic": "igwn.gwalert",
                "uuid": "b3e2ddf7-24c1-4f02-8633-8d87ef2f01c2",
                "title": "S231213av - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231213av/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231213av/view/"
                    },
                    "event": {
                        "far": 1.583678663977659e-05,
                        "time": "2023-12-13T12:46:35.712Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 909.5844879976023,
                        "area_90": 3671.909697798856,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "39f0bbc2a6b5d1fa4a77aa60f5a8aea0",
                        "classification": {
                            "BBH": 0.04807014586168885,
                            "BNS": 2.1717257457415333e-16,
                            "NSBH": 1.5585591157695322e-14,
                            "Terrestrial": 0.9519298541382953
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-13T12:51:34Z",
                    "superevent_id": "S231213av",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-13T12:51:35.919832Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-13T12:51:35.919855Z",
                "modified": "2023-12-13T12:51:35.924641Z"
            }
        },
        {
            "id": 3272,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5287,
                "topic": "igwn.gwalert",
                "uuid": "12bb8ae5-b01b-4238-9e70-1ca2b6cf5a63",
                "title": "S231213av - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231213av/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231213av/view/"
                    },
                    "event": {
                        "far": 1.583678663977659e-05,
                        "time": "2023-12-13T12:46:35.725Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 844.3294070824338,
                        "area_90": 4110.860274244295,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "1c8541c1e75ada2e7e67570ebbfc5208",
                        "classification": {
                            "BBH": 0.04807014586168885,
                            "BNS": 2.1717257457415333e-16,
                            "NSBH": 1.5585591157695322e-14,
                            "Terrestrial": 0.9519298541382953
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-13T12:46:59Z",
                    "superevent_id": "S231213av",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-13T12:47:00.278190Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-13T12:47:00.278208Z",
                "modified": "2023-12-13T12:47:00.338258Z"
            }
        },
        {
            "id": 3271,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5286,
                "topic": "igwn.gwalert",
                "uuid": "49633bbd-5def-4a4b-8af7-14ee611505ba",
                "title": "S231213ap - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231213ap/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231213ap/view/"
                    },
                    "event": {
                        "far": 6.335091684487701e-10,
                        "time": "2023-12-13T11:14:17.914Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 417.6535001982069,
                        "area_90": 2105.7877558348177,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "ea2207233607c06b2f3e58f244ebd617",
                        "classification": {
                            "BBH": 0.9999780989361619,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 2.1901063838147827e-05
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-13T11:19:38Z",
                    "superevent_id": "S231213ap",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-13T11:19:39.770609Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-13T11:19:39.770627Z",
                "modified": "2023-12-13T11:19:39.777382Z"
            }
        },
        {
            "id": 3270,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5285,
                "topic": "igwn.gwalert",
                "uuid": "35b0bdb1-7ad9-49a7-a92f-cad53929913a",
                "title": "S231213ap - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231213ap/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231213ap/view/"
                    },
                    "event": {
                        "far": 6.335091684487701e-10,
                        "time": "2023-12-13T11:14:17.914Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 417.6535001982069,
                        "area_90": 2105.7877558348177,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "ea2207233607c06b2f3e58f244ebd617",
                        "classification": {
                            "BBH": 0.9999780989361619,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 2.1901063838147827e-05
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-13T11:14:58Z",
                    "superevent_id": "S231213ap",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-13T11:14:59.112875Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-13T11:14:59.112904Z",
                "modified": "2023-12-13T11:14:59.129606Z"
            }
        },
        {
            "id": 3269,
            "sequence_number": 1,
            "sequence_type": "UPDATE",
            "message": {
                "id": 5283,
                "topic": "gcn.classic.text.ICECUBE_ASTROTRACK_BRONZE",
                "uuid": "da9aff38-5b61-4f46-b51c-cfa4c12e5916",
                "title": "GCN/AMON NOTICE",
                "submitter": "GCN Classic Over Kafka",
                "authors": "",
                "data": {
                    "far": "3.3007 [yr^-1]",
                    "urls": {
                        "gcn": "https://gcn.gsfc.nasa.gov/notices_amon_g_b/138669_4054005.amon"
                    },
                    "title": "GCN/AMON NOTICE",
                    "energy": "1.0632e+02 [TeV]",
                    "src_ra": "311.4800d {+20h 45m 55s} (J2000), 311.7686d {+20h 47m 04s} (current), 310.8771d {+20h 43m 31s} (1950)",
                    "stream": "25",
                    "run_num": "138669",
                    "src_dec": "+10.2799d {+10d 16' 48\"} (J2000), +10.3684d {+10d 22' 06\"} (current), +10.0966d {+10d 05' 48\"} (1950)",
                    "comments": "IceCube Bronze event.\nThe position error is statistical only, there is no systematic added.",
                    "revision": "1",
                    "sun_dist": "61.06 [deg]   Sun_angle= -3.5 [hr] (East of Sun)",
                    "event_num": "4054005",
                    "moon_dist": "66.19 [deg]",
                    "src_error": "72.45 [arcmin radius, stat-only, 90% containment]",
                    "sun_postn": "259.56d {+17h 18m 14s}  -23.09d {-23d 05' 16\"}",
                    "ecl_coords": "317.11, 27.19 [deg] ecliptic lon,lat of the event",
                    "gal_coords": "56.33,-19.76 [deg] galactic lon,lat of the event",
                    "moon_postn": "255.29d {+17h 01m 09s}  -26.80d {-26d 47' 45\"}",
                    "signalness": "2.7746e-01 [dn]",
                    "notice_date": "Tue 12 Dec 23 17:00:41 UT",
                    "notice_type": "ICECUBE Astrotrack Bronze",
                    "src_error50": "35.99 [arcmin radius, stat-only, 50% containment]",
                    "discovery_date": "20289 TJD;   345 DOY;   23/12/11 (yy/mm/dd)",
                    "discovery_time": "2851 SOD {00:47:31.79} UT"
                },
                "message_text": "TITLE:            GCN/AMON NOTICE\nNOTICE_DATE:      Tue 12 Dec 23 17:00:41 UT\nNOTICE_TYPE:      ICECUBE Astrotrack Bronze \nSTREAM:           25\nRUN_NUM:          138669\nEVENT_NUM:        4054005\nSRC_RA:           311.4800d {+20h 45m 55s} (J2000),\n                  311.7686d {+20h 47m 04s} (current),\n                  310.8771d {+20h 43m 31s} (1950)\nSRC_DEC:          +10.2799d {+10d 16' 48\"} (J2000),\n                  +10.3684d {+10d 22' 06\"} (current),\n                  +10.0966d {+10d 05' 48\"} (1950)\nSRC_ERROR:        72.45 [arcmin radius, stat-only, 90% containment]\nSRC_ERROR50:      35.99 [arcmin radius, stat-only, 50% containment]\nDISCOVERY_DATE:   20289 TJD;   345 DOY;   23/12/11 (yy/mm/dd)\nDISCOVERY_TIME:   2851 SOD {00:47:31.79} UT\nREVISION:         1\nENERGY:           1.0632e+02 [TeV]\nSIGNALNESS:       2.7746e-01 [dn]\nFAR:              3.3007 [yr^-1]\nSUN_POSTN:        259.56d {+17h 18m 14s}  -23.09d {-23d 05' 16\"}\nSUN_DIST:          61.06 [deg]   Sun_angle= -3.5 [hr] (East of Sun)\nMOON_POSTN:       255.29d {+17h 01m 09s}  -26.80d {-26d 47' 45\"}\nMOON_DIST:         66.19 [deg]\nGAL_COORDS:        56.33,-19.76 [deg] galactic lon,lat of the event\nECL_COORDS:       317.11, 27.19 [deg] ecliptic lon,lat of the event\nCOMMENTS:         IceCube Bronze event.  \nCOMMENTS:         The position error is statistical only, there is no systematic added.  \n",
                "published": "2023-12-12T17:00:41Z",
                "message_parser": "Icecube Notice Plaintext Parser v1",
                "retracted": false,
                "created": "2023-12-12T17:00:41.640231Z",
                "modified": "2023-12-12T17:00:41.648338Z"
            }
        },
        {
            "id": 3268,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5281,
                "topic": "igwn.gwalert",
                "uuid": "d29bbd6d-07b0-43e3-93bd-3645de847233",
                "title": "S231212f - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231212f/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231212f/view/"
                    },
                    "event": {
                        "far": 5.61779597774148e-06,
                        "time": "2023-12-12T07:11:23.881Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 5128.08417224023,
                        "area_90": 19626.04259961793,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.1733708207521664,
                            "HasMassGap": 0.029082417582417582,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "3505ef9a38a973c2e4c8d53540f1938b",
                        "classification": {
                            "BBH": 0.3612417014595897,
                            "BNS": 0.0,
                            "NSBH": 0.0017346105023095556,
                            "Terrestrial": 0.6370236880381007
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-12T07:16:21Z",
                    "superevent_id": "S231212f",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-12T07:16:22.230225Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-12T07:16:22.230242Z",
                "modified": "2023-12-12T07:16:22.235143Z"
            }
        },
        {
            "id": 3267,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5280,
                "topic": "igwn.gwalert",
                "uuid": "b4ab89e0-3fd7-477d-ab83-a5ae640ba5fe",
                "title": "S231212f - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231212f/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231212f/view/"
                    },
                    "event": {
                        "far": 5.61779597774148e-06,
                        "time": "2023-12-12T07:11:23.881Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 5128.08417224023,
                        "area_90": 19626.04259961793,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.1733708207521664,
                            "HasMassGap": 0.029082417582417582,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "3505ef9a38a973c2e4c8d53540f1938b",
                        "classification": {
                            "BBH": 0.3612417014595897,
                            "BNS": 0.0,
                            "NSBH": 0.0017346105023095556,
                            "Terrestrial": 0.6370236880381007
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-12T07:11:46Z",
                    "superevent_id": "S231212f",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-12T07:11:47.668301Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-12T07:11:47.668328Z",
                "modified": "2023-12-12T07:11:47.677277Z"
            }
        },
        {
            "id": 3266,
            "sequence_number": 0,
            "sequence_type": "INITIAL",
            "message": {
                "id": 5267,
                "topic": "gcn.classic.text.ICECUBE_ASTROTRACK_BRONZE",
                "uuid": "c091a8f8-a716-4800-a875-61d69d38e57c",
                "title": "GCN/AMON NOTICE",
                "submitter": "GCN Classic Over Kafka",
                "authors": "",
                "data": {
                    "far": "3.3007 [yr^-1]",
                    "urls": {
                        "gcn": "https://gcn.gsfc.nasa.gov/notices_amon_g_b/138669_4054005.amon"
                    },
                    "title": "GCN/AMON NOTICE",
                    "energy": "1.0632e+02 [TeV]",
                    "src_ra": "312.6131d {+20h 50m 27s} (J2000), 312.9024d {+20h 51m 37s} (current), 312.0087d {+20h 48m 02s} (1950)",
                    "stream": "25",
                    "run_num": "138669",
                    "src_dec": "+10.0527d {+10d 03' 10\"} (J2000), +10.1432d {+10d 08' 35\"} (current), +9.8653d {+09d 51' 55\"} (1950)",
                    "comments": "IceCube Bronze event.\nThe position error is statistical only, there is no systematic added.",
                    "revision": "0",
                    "sun_dist": "63.34 [deg]   Sun_angle= -3.7 [hr] (East of Sun)",
                    "event_num": "4054005",
                    "moon_dist": "86.10 [deg]",
                    "src_error": "30.80 [arcmin radius, stat-only, 90% containment]",
                    "sun_postn": "257.71d {+17h 10m 51s}  -22.95d {-22d 57' 16\"}",
                    "ecl_coords": "318.23, 26.64 [deg] ecliptic lon,lat of the event",
                    "gal_coords": "56.80,-20.81 [deg] galactic lon,lat of the event",
                    "moon_postn": "231.18d {+15h 24m 43s}  -21.29d {-21d 17' 14\"}",
                    "signalness": "2.7746e-01 [dn]",
                    "notice_date": "Mon 11 Dec 23 00:48:11 UT",
                    "notice_type": "ICECUBE Astrotrack Bronze",
                    "src_error50": "12.00 [arcmin radius, stat-only, 50% containment]",
                    "discovery_date": "20289 TJD;   345 DOY;   23/12/11 (yy/mm/dd)",
                    "discovery_time": "2851 SOD {00:47:31.79} UT"
                },
                "message_text": "TITLE:            GCN/AMON NOTICE\nNOTICE_DATE:      Mon 11 Dec 23 00:48:11 UT\nNOTICE_TYPE:      ICECUBE Astrotrack Bronze \nSTREAM:           25\nRUN_NUM:          138669\nEVENT_NUM:        4054005\nSRC_RA:           312.6131d {+20h 50m 27s} (J2000),\n                  312.9024d {+20h 51m 37s} (current),\n                  312.0087d {+20h 48m 02s} (1950)\nSRC_DEC:          +10.0527d {+10d 03' 10\"} (J2000),\n                  +10.1432d {+10d 08' 35\"} (current),\n                   +9.8653d {+09d 51' 55\"} (1950)\nSRC_ERROR:        30.80 [arcmin radius, stat-only, 90% containment]\nSRC_ERROR50:      12.00 [arcmin radius, stat-only, 50% containment]\nDISCOVERY_DATE:   20289 TJD;   345 DOY;   23/12/11 (yy/mm/dd)\nDISCOVERY_TIME:   2851 SOD {00:47:31.79} UT\nREVISION:         0\nENERGY:           1.0632e+02 [TeV]\nSIGNALNESS:       2.7746e-01 [dn]\nFAR:              3.3007 [yr^-1]\nSUN_POSTN:        257.71d {+17h 10m 51s}  -22.95d {-22d 57' 16\"}\nSUN_DIST:          63.34 [deg]   Sun_angle= -3.7 [hr] (East of Sun)\nMOON_POSTN:       231.18d {+15h 24m 43s}  -21.29d {-21d 17' 14\"}\nMOON_DIST:         86.10 [deg]\nGAL_COORDS:        56.80,-20.81 [deg] galactic lon,lat of the event\nECL_COORDS:       318.23, 26.64 [deg] ecliptic lon,lat of the event\nCOMMENTS:         IceCube Bronze event.  \nCOMMENTS:         The position error is statistical only, there is no systematic added.  \n",
                "published": "2023-12-11T00:48:11Z",
                "message_parser": "Icecube Notice Plaintext Parser v1",
                "retracted": false,
                "created": "2023-12-11T00:48:11.601666Z",
                "modified": "2023-12-11T00:48:11.610852Z"
            }
        },
        {
            "id": 3265,
            "sequence_number": 4,
            "sequence_type": "UPDATE",
            "message": {
                "id": 5255,
                "topic": "igwn.gwalert",
                "uuid": "a1653d41-133e-46e9-ae23-60ddd3cce66e",
                "title": "S231206ca - UPDATE",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231206ca/files/bayestar.multiorder.fits,2",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231206ca/view/"
                    },
                    "event": {
                        "far": 3.167545842243851e-10,
                        "time": "2023-12-06T23:31:34.528Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 702.4887810417467,
                        "area_90": 2334.7050975661637,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "6f98bd96d60135922fd72560c77605c3",
                        "classification": {
                            "BBH": 0.9999815957562007,
                            "BNS": 2.7712320693090133e-25,
                            "NSBH": 7.97763567194698e-20,
                            "Terrestrial": 1.8404243799285958e-05
                        },
                        "skymap_version": 2,
                        "central_frequency": null
                    },
                    "alert_type": "UPDATE",
                    "sequence_num": 4,
                    "time_created": "2023-12-07T16:29:20Z",
                    "superevent_id": "S231206ca",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-07T16:29:22.472774Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-07T16:29:22.472793Z",
                "modified": "2023-12-07T16:29:22.478521Z"
            }
        },
        {
            "id": 3264,
            "sequence_number": 4,
            "sequence_type": "UPDATE",
            "message": {
                "id": 5250,
                "topic": "igwn.gwalert",
                "uuid": "81b5d1de-bff2-4e85-bb26-92b609c9543d",
                "title": "S231206cc - UPDATE",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231206cc/files/bayestar.multiorder.fits,2",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231206cc/view/"
                    },
                    "event": {
                        "far": 1.931982867404817e-35,
                        "time": "2023-12-06T23:39:01.498Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 89.62082455270493,
                        "area_90": 341.592513600945,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "0fd024b2b00b316c988be65ac4239e13",
                        "classification": {
                            "BBH": 1.0,
                            "BNS": 0.0,
                            "NSBH": 1.1609442144219883e-52,
                            "Terrestrial": 0.0
                        },
                        "skymap_version": 2,
                        "central_frequency": null
                    },
                    "alert_type": "UPDATE",
                    "sequence_num": 4,
                    "time_created": "2023-12-07T12:27:13Z",
                    "superevent_id": "S231206cc",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-07T12:27:15.824785Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-07T12:27:15.824803Z",
                "modified": "2023-12-07T12:27:15.838539Z"
            }
        },
        {
            "id": 3263,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5249,
                "topic": "igwn.gwalert",
                "uuid": "d76472f8-4190-4ffa-815e-5a06b0622e7b",
                "title": "S231207ag - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231207ag/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231207ag/view/"
                    },
                    "event": {
                        "far": 2.310559284524061e-05,
                        "time": "2023-12-07T08:56:52.794Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1237.1188330412604,
                        "area_90": 4477.6315972015755,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.9111729761778472,
                            "HasMassGap": 0.9439054986083808,
                            "HasRemnant": 0.02299446495358445
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "bcc7db28d2e9a7d35feec4edbdfe0b35",
                        "classification": {
                            "BBH": 0.015882102459278197,
                            "BNS": 0.0,
                            "NSBH": 0.0015476175852000152,
                            "Terrestrial": 0.9825702799555218
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-07T09:01:52Z",
                    "superevent_id": "S231207ag",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-07T09:01:54.037140Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-07T09:01:54.037157Z",
                "modified": "2023-12-07T09:01:54.044158Z"
            }
        },
        {
            "id": 3262,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5248,
                "topic": "igwn.gwalert",
                "uuid": "f33f266b-457c-4d4a-91a7-8648b2aadf45",
                "title": "S231207ag - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231207ag/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231207ag/view/"
                    },
                    "event": {
                        "far": 2.310559284524061e-05,
                        "time": "2023-12-07T08:56:52.794Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1237.1188330412604,
                        "area_90": 4477.6315972015755,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.9111729761778472,
                            "HasMassGap": 0.9439054986083808,
                            "HasRemnant": 0.02299446495358445
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "bcc7db28d2e9a7d35feec4edbdfe0b35",
                        "classification": {
                            "BBH": 0.015882102459278197,
                            "BNS": 0.0,
                            "NSBH": 0.0015476175852000152,
                            "Terrestrial": 0.9825702799555218
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-07T08:57:17Z",
                    "superevent_id": "S231207ag",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-07T08:57:19.436443Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-07T08:57:19.436460Z",
                "modified": "2023-12-07T08:57:19.444210Z"
            }
        },
        {
            "id": 3261,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5247,
                "topic": "igwn.gwalert",
                "uuid": "a901a51d-4648-4992-9722-c016ea83e9cc",
                "title": "S231207w - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231207w/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231207w/view/"
                    },
                    "event": {
                        "far": 7.304599015733375e-06,
                        "time": "2023-12-07T06:14:40.660Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 577.4340279052828,
                        "area_90": 3013.06418630809,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.018157865123382366,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "413f5ac2f554463a1efe8e027474d479",
                        "classification": {
                            "BBH": 0.167021845033451,
                            "BNS": 3.862233319521086e-14,
                            "NSBH": 2.750609566535111e-12,
                            "Terrestrial": 0.8329781549637598
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-07T06:19:38Z",
                    "superevent_id": "S231207w",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-07T06:19:39.109360Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-07T06:19:39.109384Z",
                "modified": "2023-12-07T06:19:39.115635Z"
            }
        },
        {
            "id": 3260,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5245,
                "topic": "igwn.gwalert",
                "uuid": "3dfde603-71a7-479a-9346-65c5720d975e",
                "title": "S231207w - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231207w/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231207w/view/"
                    },
                    "event": {
                        "far": 7.304599015733375e-06,
                        "time": "2023-12-07T06:14:40.660Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 577.4340279052828,
                        "area_90": 3013.06418630809,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.018157865123382366,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "413f5ac2f554463a1efe8e027474d479",
                        "classification": {
                            "BBH": 0.167021845033451,
                            "BNS": 3.862233319521086e-14,
                            "NSBH": 2.750609566535111e-12,
                            "Terrestrial": 0.8329781549637598
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-07T06:15:02Z",
                    "superevent_id": "S231207w",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-07T06:15:04.522482Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-07T06:15:04.522500Z",
                "modified": "2023-12-07T06:15:04.534144Z"
            }
        },
        {
            "id": 3259,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5243,
                "topic": "igwn.gwalert",
                "uuid": "f516d07b-362a-4d80-a6d7-b8adc96f7cf5",
                "title": "S231207m - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231207m/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231207m/view/"
                    },
                    "event": {
                        "far": 1.47391e-05,
                        "time": "2023-12-07T02:22:13.609Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 677.3099716854118,
                        "area_90": 2237.556858132971,
                        "duration": 0.010351,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "0b0e73095a7fe1f582d6aa006ab2f382",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 187.00322
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-07T02:29:48Z",
                    "superevent_id": "S231207m",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-07T02:29:49.403187Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-07T02:29:49.403205Z",
                "modified": "2023-12-07T02:29:49.408256Z"
            }
        },
        {
            "id": 3258,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5242,
                "topic": "igwn.gwalert",
                "uuid": "67e67615-d626-42bd-90ee-45352146cf25",
                "title": "S231207m - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231207m/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231207m/view/"
                    },
                    "event": {
                        "far": 1.47391e-05,
                        "time": "2023-12-07T02:22:13.609Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 677.3099716854118,
                        "area_90": 2237.556858132971,
                        "duration": 0.010351,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "0b0e73095a7fe1f582d6aa006ab2f382",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 187.00322
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-07T02:25:14Z",
                    "superevent_id": "S231207m",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-07T02:25:15.889104Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-07T02:25:15.889121Z",
                "modified": "2023-12-07T02:25:15.898494Z"
            }
        },
        {
            "id": 3257,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5241,
                "topic": "igwn.gwalert",
                "uuid": "fad8b76e-b0ca-4019-8c02-c7340a5a44fc",
                "title": "S231207l - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231207l/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231207l/view/"
                    },
                    "event": {
                        "far": 1.18525e-05,
                        "time": "2023-12-07T02:03:23.156Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 992.8843822848105,
                        "area_90": 3081.0469715701943,
                        "duration": 0.005435,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "732f9746e40ba4554bceb8093dce7a6b",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 144.757278
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-07T02:16:37Z",
                    "superevent_id": "S231207l",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-07T02:16:38.929553Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-07T02:16:38.929571Z",
                "modified": "2023-12-07T02:16:38.934566Z"
            }
        },
        {
            "id": 3256,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5240,
                "topic": "igwn.gwalert",
                "uuid": "b6d84e4a-ecf8-4491-9988-03cf11ad0084",
                "title": "S231207l - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231207l/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231207l/view/"
                    },
                    "event": {
                        "far": 1.18525e-05,
                        "time": "2023-12-07T02:03:23.156Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 992.8843822848105,
                        "area_90": 3081.0469715701943,
                        "duration": 0.005435,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "732f9746e40ba4554bceb8093dce7a6b",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 144.757278
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-07T02:11:58Z",
                    "superevent_id": "S231207l",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-07T02:11:59.393868Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-07T02:11:59.393887Z",
                "modified": "2023-12-07T02:11:59.400350Z"
            }
        },
        {
            "id": 3255,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5239,
                "topic": "igwn.gwalert",
                "uuid": "62a9cbd0-7e9c-4a3e-bb6f-4d8a031e1f29",
                "title": "S231207j - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231207j/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231207j/view/"
                    },
                    "event": {
                        "far": 1.53016461586145e-05,
                        "time": "2023-12-07T02:01:40.384Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 625.4835890936223,
                        "area_90": 2595.095950992928,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.018106583072100314,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "e94cdd26ba2e9090ac9ce2db0ec73551",
                        "classification": {
                            "BBH": 0.06112781077218912,
                            "BNS": 3.70272031421946e-14,
                            "NSBH": 2.6074086731026308e-12,
                            "Terrestrial": 0.9388721892251665
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-07T02:06:53Z",
                    "superevent_id": "S231207j",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-07T02:06:54.649218Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-07T02:06:54.649237Z",
                "modified": "2023-12-07T02:06:54.654419Z"
            }
        },
        {
            "id": 3254,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5238,
                "topic": "igwn.gwalert",
                "uuid": "a1180777-aab2-4c61-95bc-04d5c770366f",
                "title": "S231207j - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231207j/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231207j/view/"
                    },
                    "event": {
                        "far": 1.53016461586145e-05,
                        "time": "2023-12-07T02:01:40.395Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 574.9161469696494,
                        "area_90": 2698.3290693539016,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04020487367039092,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a5fb16cb3a8a2eee7854c5f6caa066c4",
                        "classification": {
                            "BBH": 0.06112781077218912,
                            "BNS": 3.70272031421946e-14,
                            "NSBH": 2.6074086731026308e-12,
                            "Terrestrial": 0.9388721892251665
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-07T02:02:05Z",
                    "superevent_id": "S231207j",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-07T02:02:06.905825Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-07T02:02:06.905845Z",
                "modified": "2023-12-07T02:02:06.915887Z"
            }
        },
        {
            "id": 3253,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5237,
                "topic": "igwn.gwalert",
                "uuid": "097d276d-9322-4e22-af19-1b4af41321c6",
                "title": "S231207f - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231207f/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231207f/view/"
                    },
                    "event": {
                        "far": 1.215070585084741e-05,
                        "time": "2023-12-07T01:18:35.293Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 610.586126891124,
                        "area_90": 1877.2900609260778,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.9352919367415086,
                            "HasRemnant": 0.4970928385592842
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "2950f057f2a79098f9858bbee9452b28",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0006419354472531963,
                            "NSBH": 0.0013429341322450986,
                            "Terrestrial": 0.9980151304205017
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-07T01:23:41Z",
                    "superevent_id": "S231207f",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-07T01:23:42.740688Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-07T01:23:42.740706Z",
                "modified": "2023-12-07T01:23:42.745900Z"
            }
        },
        {
            "id": 3252,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5236,
                "topic": "igwn.gwalert",
                "uuid": "b45bad31-077f-4d00-b80c-7bd4e0f8b856",
                "title": "S231207f - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231207f/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231207f/view/"
                    },
                    "event": {
                        "far": 1.215070585084741e-05,
                        "time": "2023-12-07T01:18:35.293Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 610.586126891124,
                        "area_90": 1877.2900609260778,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.9352919367415086,
                            "HasRemnant": 0.4970928385592842
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "2950f057f2a79098f9858bbee9452b28",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0006419354472531963,
                            "NSBH": 0.0013429341322450986,
                            "Terrestrial": 0.9980151304205017
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-07T01:19:06Z",
                    "superevent_id": "S231207f",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-07T01:19:08.109585Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-07T01:19:08.109605Z",
                "modified": "2023-12-07T01:19:08.119699Z"
            }
        },
        {
            "id": 3251,
            "sequence_number": 3,
            "sequence_type": "INITIAL",
            "message": {
                "id": 5234,
                "topic": "igwn.gwalert",
                "uuid": "c93bfbb2-f40c-4224-8bb8-fcae3734cffe",
                "title": "S231206cc - INITIAL",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231206cc/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231206cc/view/"
                    },
                    "event": {
                        "far": 1.931982867404817e-35,
                        "time": "2023-12-06T23:39:01.498Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 117.86830129934324,
                        "area_90": 445.0354553732212,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "aca7076f08449092ea3e6296a6f3d13d",
                        "classification": {
                            "BBH": 1.0,
                            "BNS": 2.449075696447941e-95,
                            "NSBH": 2.5486158233382465e-93,
                            "Terrestrial": 0.0
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "INITIAL",
                    "sequence_num": 3,
                    "time_created": "2023-12-07T00:18:54Z",
                    "superevent_id": "S231206cc",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-07T00:18:55.465795Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-07T00:18:55.465814Z",
                "modified": "2023-12-07T00:18:55.470700Z"
            }
        },
        {
            "id": 3250,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5232,
                "topic": "igwn.gwalert",
                "uuid": "826e7600-2812-485b-b800-c4b939eb8cb6",
                "title": "S231207a - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231207a/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231207a/view/"
                    },
                    "event": {
                        "far": 8.27988e-07,
                        "time": "2023-12-07T00:07:31.287Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 100.71523742534005,
                        "area_90": 312.2172360185541,
                        "duration": 0.005002,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "cde4c1aba5f85f55243a65f80a901411",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 331.904724
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-07T00:13:44Z",
                    "superevent_id": "S231207a",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-07T00:13:45.821841Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-07T00:13:45.821863Z",
                "modified": "2023-12-07T00:13:45.827420Z"
            }
        },
        {
            "id": 3249,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5231,
                "topic": "igwn.gwalert",
                "uuid": "72559ca0-b8bd-454a-95f6-1843da9f0bc2",
                "title": "S231207a - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231207a/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231207a/view/"
                    },
                    "event": {
                        "far": 8.27988e-07,
                        "time": "2023-12-07T00:07:31.287Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 100.71523742534005,
                        "area_90": 312.2172360185541,
                        "duration": 0.005002,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "cde4c1aba5f85f55243a65f80a901411",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 331.904724
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-07T00:09:10Z",
                    "superevent_id": "S231207a",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-07T00:09:11.256427Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-07T00:09:11.256454Z",
                "modified": "2023-12-07T00:09:11.262127Z"
            }
        },
        {
            "id": 3248,
            "sequence_number": 3,
            "sequence_type": "INITIAL",
            "message": {
                "id": 5230,
                "topic": "igwn.gwalert",
                "uuid": "e5803113-326c-4fee-ab04-7ecb2c72b3e9",
                "title": "S231206ca - INITIAL",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231206ca/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231206ca/view/"
                    },
                    "event": {
                        "far": 3.167545842243851e-10,
                        "time": "2023-12-06T23:31:34.528Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 550.5766312585255,
                        "area_90": 1985.768764569621,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "194ea3b183ed52a4c908367ad22e9cf2",
                        "classification": {
                            "BBH": 0.9999815957562007,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 1.8404243799285958e-05
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "INITIAL",
                    "sequence_num": 3,
                    "time_created": "2023-12-07T00:08:00Z",
                    "superevent_id": "S231206ca",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-07T00:08:01.129121Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-07T00:08:01.129141Z",
                "modified": "2023-12-07T00:08:01.136788Z"
            }
        },
        {
            "id": 3247,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5229,
                "topic": "igwn.gwalert",
                "uuid": "3ee10a1c-96d6-4105-84d9-2f771a6f00c3",
                "title": "S231206cc - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231206cc/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231206cc/view/"
                    },
                    "event": {
                        "far": 1.931982867404817e-35,
                        "time": "2023-12-06T23:39:01.498Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 117.86830129934324,
                        "area_90": 445.0354553732212,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "aca7076f08449092ea3e6296a6f3d13d",
                        "classification": {
                            "BBH": 1.0,
                            "BNS": 2.449075696447941e-95,
                            "NSBH": 2.5486158233382465e-93,
                            "Terrestrial": 0.0
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-06T23:44:09Z",
                    "superevent_id": "S231206cc",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-06T23:44:11.140140Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-06T23:44:11.140169Z",
                "modified": "2023-12-06T23:44:11.145832Z"
            }
        },
        {
            "id": 3246,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5228,
                "topic": "igwn.gwalert",
                "uuid": "7a067fb1-da1e-4891-b0fd-704792223687",
                "title": "S231206cc - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231206cc/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231206cc/view/"
                    },
                    "event": {
                        "far": 1.931982867404817e-35,
                        "time": "2023-12-06T23:39:01.493Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 119.65180029541698,
                        "area_90": 461.40168145483904,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "2368590fbe83a2032465c726418eea5a",
                        "classification": {
                            "BBH": 1.0,
                            "BNS": 2.449075696447941e-95,
                            "NSBH": 2.5486158233382465e-93,
                            "Terrestrial": 0.0
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-06T23:39:31Z",
                    "superevent_id": "S231206cc",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-06T23:39:32.555280Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-06T23:39:32.555299Z",
                "modified": "2023-12-06T23:39:32.561232Z"
            }
        },
        {
            "id": 3245,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5227,
                "topic": "igwn.gwalert",
                "uuid": "8c3618c2-14b4-42dc-b1ec-e474a1e6a433",
                "title": "S231206ca - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231206ca/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231206ca/view/"
                    },
                    "event": {
                        "far": 3.167545842243851e-10,
                        "time": "2023-12-06T23:31:34.528Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 550.5766312585255,
                        "area_90": 1985.768764569621,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "194ea3b183ed52a4c908367ad22e9cf2",
                        "classification": {
                            "BBH": 0.9999815957562007,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 1.8404243799285958e-05
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-06T23:36:50Z",
                    "superevent_id": "S231206ca",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-06T23:36:52.157346Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-06T23:36:52.157365Z",
                "modified": "2023-12-06T23:36:52.162602Z"
            }
        },
        {
            "id": 3244,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5226,
                "topic": "igwn.gwalert",
                "uuid": "8480ad1f-c097-41b3-9595-2450d951662b",
                "title": "S231206ca - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231206ca/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231206ca/view/"
                    },
                    "event": {
                        "far": 1.286057649263483e-10,
                        "time": "2023-12-06T23:31:34.528Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 624.0148252145025,
                        "area_90": 2186.35994577509,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "aea5b5bcd83b9c67a0f5b9c9ae6b7df9",
                        "classification": {
                            "BBH": 0.9997691929115371,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.0002308070884629032
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-06T23:32:00Z",
                    "superevent_id": "S231206ca",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-06T23:32:02.583096Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-06T23:32:02.583124Z",
                "modified": "2023-12-06T23:32:02.596658Z"
            }
        },
        {
            "id": 3243,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5217,
                "topic": "igwn.gwalert",
                "uuid": "7c697128-71ae-4890-a223-1a8060ec5c2f",
                "title": "S231206bf - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231206bf/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231206bf/view/"
                    },
                    "event": {
                        "far": 4.47829e-06,
                        "time": "2023-12-06T13:52:29.516Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 4465.88148616862,
                        "area_90": 13279.304054531085,
                        "duration": 0.041798,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "f3df07b75a821af85a056c13b2e35026",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 22.554409
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-06T13:58:40Z",
                    "superevent_id": "S231206bf",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-06T13:58:41.750926Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-06T13:58:41.750951Z",
                "modified": "2023-12-06T13:58:41.758762Z"
            }
        },
        {
            "id": 3242,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5216,
                "topic": "igwn.gwalert",
                "uuid": "f8c32a0b-f075-4176-a5b7-dfeadf119156",
                "title": "S231206bf - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231206bf/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231206bf/view/"
                    },
                    "event": {
                        "far": 4.47829e-06,
                        "time": "2023-12-06T13:52:29.516Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 4465.88148616862,
                        "area_90": 13279.304054531085,
                        "duration": 0.041798,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "f3df07b75a821af85a056c13b2e35026",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 22.554409
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-06T13:54:06Z",
                    "superevent_id": "S231206bf",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-06T13:54:07.192438Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-06T13:54:07.192456Z",
                "modified": "2023-12-06T13:54:07.205506Z"
            }
        },
        {
            "id": 3241,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5208,
                "topic": "igwn.gwalert",
                "uuid": "925a908a-20d9-4fac-a838-24e31996c859",
                "title": "S231206aa - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231206aa/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231206aa/view/"
                    },
                    "event": {
                        "far": 7.436069618638502e-06,
                        "time": "2023-12-06T07:16:40.836Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 759.560748916106,
                        "area_90": 3412.567961428605,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c0227d943c9007eda5a4a19d38926c80",
                        "classification": {
                            "BBH": 0.15838834405272345,
                            "BNS": 1.0291226877349916e-14,
                            "NSBH": 2.8015352555534292e-11,
                            "Terrestrial": 0.8416116559192509
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-06T07:21:40Z",
                    "superevent_id": "S231206aa",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-06T07:21:41.675172Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-06T07:21:41.675191Z",
                "modified": "2023-12-06T07:21:41.686935Z"
            }
        },
        {
            "id": 3240,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5207,
                "topic": "igwn.gwalert",
                "uuid": "b7534c60-ee11-463c-8641-5a071beea518",
                "title": "S231206aa - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231206aa/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231206aa/view/"
                    },
                    "event": {
                        "far": 7.436069618638502e-06,
                        "time": "2023-12-06T07:16:40.829Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 891.3298512142593,
                        "area_90": 3808.714561968276,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "1dc4357f3b85cf1ffc103d5fd469181d",
                        "classification": {
                            "BBH": 0.15838834405272345,
                            "BNS": 1.0291226877349916e-14,
                            "NSBH": 2.8015352555534292e-11,
                            "Terrestrial": 0.8416116559192509
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-06T07:17:05Z",
                    "superevent_id": "S231206aa",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-06T07:17:07.140510Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-06T07:17:07.140536Z",
                "modified": "2023-12-06T07:17:07.151238Z"
            }
        },
        {
            "id": 3239,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5206,
                "topic": "igwn.gwalert",
                "uuid": "54f743d3-8a93-424b-bad2-27c6c3abfd07",
                "title": "S231206y - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231206y/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231206y/view/"
                    },
                    "event": {
                        "far": 1.76599e-06,
                        "time": "2023-12-06T06:41:29.177Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 494.3439570293773,
                        "area_90": 1916.1073920170938,
                        "duration": 0.087252,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "170d648b6cc216555314de67a8014571",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1192.840576
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-06T06:47:26Z",
                    "superevent_id": "S231206y",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-06T06:47:27.726465Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-06T06:47:27.726491Z",
                "modified": "2023-12-06T06:47:27.731503Z"
            }
        },
        {
            "id": 3238,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5204,
                "topic": "igwn.gwalert",
                "uuid": "2d754ded-4659-4669-aa4f-dbf4e29a7c22",
                "title": "S231206y - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231206y/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231206y/view/"
                    },
                    "event": {
                        "far": 1.76599e-06,
                        "time": "2023-12-06T06:41:29.177Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 494.3439570293773,
                        "area_90": 1916.1073920170938,
                        "duration": 0.087252,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "170d648b6cc216555314de67a8014571",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1192.840576
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-06T06:42:52Z",
                    "superevent_id": "S231206y",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-06T06:42:53.186676Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-06T06:42:53.186693Z",
                "modified": "2023-12-06T06:42:53.191802Z"
            }
        },
        {
            "id": 3237,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5198,
                "topic": "igwn.gwalert",
                "uuid": "23809dd6-846d-4a77-a330-9c94a8f73bdf",
                "title": "S231206c - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231206c/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231206c/view/"
                    },
                    "event": {
                        "far": 6.66549075111645e-06,
                        "time": "2023-12-06T01:06:29.190Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1404.3480918495852,
                        "area_90": 5390.783083191326,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "08723fdcddca3e04093c953edd7a5317",
                        "classification": {
                            "BBH": 0.1800171642082051,
                            "BNS": 5.087955439733444e-16,
                            "NSBH": 3.675293427840664e-14,
                            "Terrestrial": 0.8199828357917577
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-06T01:11:30Z",
                    "superevent_id": "S231206c",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-06T01:11:32.053382Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-06T01:11:32.053400Z",
                "modified": "2023-12-06T01:11:32.059393Z"
            }
        },
        {
            "id": 3236,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5197,
                "topic": "igwn.gwalert",
                "uuid": "fb1a0717-e6a1-49c5-8aae-f6a018fdfdb5",
                "title": "S231206c - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231206c/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231206c/view/"
                    },
                    "event": {
                        "far": 6.66549075111645e-06,
                        "time": "2023-12-06T01:06:29.190Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1404.3480918495852,
                        "area_90": 5390.783083191326,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "08723fdcddca3e04093c953edd7a5317",
                        "classification": {
                            "BBH": 0.1800171642082051,
                            "BNS": 5.087955439733444e-16,
                            "NSBH": 3.675293427840664e-14,
                            "Terrestrial": 0.8199828357917577
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-06T01:06:54Z",
                    "superevent_id": "S231206c",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-06T01:06:56.434343Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-06T01:06:56.434363Z",
                "modified": "2023-12-06T01:06:56.444299Z"
            }
        },
        {
            "id": 3235,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5187,
                "topic": "igwn.gwalert",
                "uuid": "00763508-847a-4732-b288-2b1bbe7eeba5",
                "title": "S231205ah - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231205ah/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231205ah/view/"
                    },
                    "event": {
                        "far": 1.203430383611703e-05,
                        "time": "2023-12-05T11:52:34.165Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 7878.449447597224,
                        "area_90": 22798.572578516138,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.559140945521323,
                            "HasRemnant": 0.5848549798868441
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "293842ca760ae89e1e4c1aa6f609d185",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.008253591658996468,
                            "NSBH": 0.0012662260553684384,
                            "Terrestrial": 0.9904801822856351
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-05T11:57:32Z",
                    "superevent_id": "S231205ah",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-05T11:57:33.563941Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-05T11:57:33.563958Z",
                "modified": "2023-12-05T11:57:33.569326Z"
            }
        },
        {
            "id": 3234,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5186,
                "topic": "igwn.gwalert",
                "uuid": "b998b1e9-f5a2-449c-8cd9-0e1c99883d44",
                "title": "S231205ah - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231205ah/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231205ah/view/"
                    },
                    "event": {
                        "far": 1.203430383611703e-05,
                        "time": "2023-12-05T11:52:34.165Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 7878.449447597224,
                        "area_90": 22798.572578516138,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.559140945521323,
                            "HasRemnant": 0.5848549798868441
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "293842ca760ae89e1e4c1aa6f609d185",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.008253591658996468,
                            "NSBH": 0.0012662260553684384,
                            "Terrestrial": 0.9904801822856351
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-05T11:52:58Z",
                    "superevent_id": "S231205ah",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-05T11:52:59.880832Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-05T11:52:59.880849Z",
                "modified": "2023-12-05T11:52:59.889807Z"
            }
        },
        {
            "id": 3233,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5185,
                "topic": "igwn.gwalert",
                "uuid": "238f5325-7f96-4cb9-b7e8-6a3deccdf47f",
                "title": "S231205ac - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231205ac/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231205ac/view/"
                    },
                    "event": {
                        "far": 3.165848966091289e-06,
                        "time": "2023-12-05T10:39:21.527Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 10189.024852863568,
                        "area_90": 30550.288685686482,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "df657e658bfa7f075a26455f401f5f48",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.03664678811930093,
                            "NSBH": 0.00023024585242734818,
                            "Terrestrial": 0.9631229660282717
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-05T10:44:20Z",
                    "superevent_id": "S231205ac",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-05T10:44:22.208885Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-05T10:44:22.208902Z",
                "modified": "2023-12-05T10:44:22.214410Z"
            }
        },
        {
            "id": 3232,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5184,
                "topic": "igwn.gwalert",
                "uuid": "2805e4b6-d7ff-4a2a-9d0c-c44c3540ca96",
                "title": "S231205ac - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231205ac/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231205ac/view/"
                    },
                    "event": {
                        "far": 3.165848966091289e-06,
                        "time": "2023-12-05T10:39:21.527Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 10189.024852863568,
                        "area_90": 30550.288685686482,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "df657e658bfa7f075a26455f401f5f48",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.03664678811930093,
                            "NSBH": 0.00023024585242734818,
                            "Terrestrial": 0.9631229660282717
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-05T10:39:46Z",
                    "superevent_id": "S231205ac",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-05T10:39:47.640147Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-05T10:39:47.640163Z",
                "modified": "2023-12-05T10:39:47.648518Z"
            }
        },
        {
            "id": 3231,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5183,
                "topic": "igwn.gwalert",
                "uuid": "12406af6-28e3-4e9f-bc5f-8107fc61500f",
                "title": "S231205x - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231205x/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231205x/view/"
                    },
                    "event": {
                        "far": 4.89357611847938e-06,
                        "time": "2023-12-05T06:58:49.163Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1689.7079312213816,
                        "area_90": 6556.561956389637,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "2778c5fba44678e94eda4657cc68dac8",
                        "classification": {
                            "BBH": 0.2632422527339422,
                            "BNS": 4.615582889592433e-14,
                            "NSBH": 3.5036023468331954e-12,
                            "Terrestrial": 0.7367577472625081
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-05T07:03:49Z",
                    "superevent_id": "S231205x",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-05T07:03:50.784609Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-05T07:03:50.784627Z",
                "modified": "2023-12-05T07:03:50.789842Z"
            }
        },
        {
            "id": 3230,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5182,
                "topic": "igwn.gwalert",
                "uuid": "2e16127f-b388-4080-9bfd-3f19e7f1c051",
                "title": "S231205x - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231205x/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231205x/view/"
                    },
                    "event": {
                        "far": 4.89357611847938e-06,
                        "time": "2023-12-05T06:58:49.163Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1689.7079312213816,
                        "area_90": 6556.561956389637,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "2778c5fba44678e94eda4657cc68dac8",
                        "classification": {
                            "BBH": 0.2632422527339422,
                            "BNS": 4.615582889592433e-14,
                            "NSBH": 3.5036023468331954e-12,
                            "Terrestrial": 0.7367577472625081
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-05T06:59:14Z",
                    "superevent_id": "S231205x",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-05T06:59:16.211381Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-05T06:59:16.211399Z",
                "modified": "2023-12-05T06:59:16.216950Z"
            }
        },
        {
            "id": 3229,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5181,
                "topic": "igwn.gwalert",
                "uuid": "95ed514f-992c-48df-894b-f36f910a4c5a",
                "title": "S231205v - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231205v/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231205v/view/"
                    },
                    "event": {
                        "far": 2.116413986944711e-05,
                        "time": "2023-12-05T06:36:17.463Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1087.7245641936724,
                        "area_90": 4799.920356962664,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.018157865123382366,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "2e970c11e8fa2d1af5ef4023aa2ca8a1",
                        "classification": {
                            "BBH": 0.032249633821427565,
                            "BNS": 1.940433136929084e-13,
                            "NSBH": 1.4783175454565096e-11,
                            "Terrestrial": 0.9677503661635952
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-05T06:41:13Z",
                    "superevent_id": "S231205v",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-05T06:41:15.203766Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-05T06:41:15.203783Z",
                "modified": "2023-12-05T06:41:15.209236Z"
            }
        },
        {
            "id": 3228,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5180,
                "topic": "igwn.gwalert",
                "uuid": "72b4b727-af46-4e2d-b143-d6996f5fd332",
                "title": "S231205v - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231205v/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231205v/view/"
                    },
                    "event": {
                        "far": 2.116413986944711e-05,
                        "time": "2023-12-05T06:36:17.463Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1087.7245641936724,
                        "area_90": 4799.920356962664,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.018157865123382366,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "2e970c11e8fa2d1af5ef4023aa2ca8a1",
                        "classification": {
                            "BBH": 0.032249633821427565,
                            "BNS": 1.940433136929084e-13,
                            "NSBH": 1.4783175454565096e-11,
                            "Terrestrial": 0.9677503661635952
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-05T06:36:38Z",
                    "superevent_id": "S231205v",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-05T06:36:39.550341Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-05T06:36:39.550359Z",
                "modified": "2023-12-05T06:36:39.561479Z"
            }
        },
        {
            "id": 3227,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5179,
                "topic": "igwn.gwalert",
                "uuid": "6e3b6139-1cda-4b6f-bd2a-5b5bf8c07ed0",
                "title": "S231205h - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231205h/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231205h/view/"
                    },
                    "event": {
                        "far": 1.18187e-05,
                        "time": "2023-12-05T04:00:19.510Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 528.7549964830351,
                        "area_90": 2053.7515498317252,
                        "duration": 0.008089,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "4b38e99047b4ccf5d3f1928c36380abd",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1413.369751
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-05T04:06:06Z",
                    "superevent_id": "S231205h",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-05T04:06:07.677820Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-05T04:06:07.677836Z",
                "modified": "2023-12-05T04:06:07.682864Z"
            }
        },
        {
            "id": 3226,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5178,
                "topic": "igwn.gwalert",
                "uuid": "f56ee963-c61b-4b33-bcd7-00e74bce709a",
                "title": "S231205h - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231205h/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231205h/view/"
                    },
                    "event": {
                        "far": 1.18187e-05,
                        "time": "2023-12-05T04:00:19.510Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 528.7549964830351,
                        "area_90": 2053.7515498317252,
                        "duration": 0.008089,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "4b38e99047b4ccf5d3f1928c36380abd",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1413.369751
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-12-05T04:01:32Z",
                    "superevent_id": "S231205h",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-05T04:01:34.126294Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-05T04:01:34.126311Z",
                "modified": "2023-12-05T04:01:34.138507Z"
            }
        },
        {
            "id": 3225,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 5172,
                "topic": "igwn.gwalert",
                "uuid": "b60e42ae-fcea-438d-a743-710fa2ba9717",
                "title": "S231205c - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S231205c/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S231205c/view/"
                    },
                    "event": {
                        "far": 1.287308542111373e-05,
                        "time": "2023-12-05T00:57:50.155Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 146.9288437647799,
                        "area_90": 481.96437576251265,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.10873561394459229,
                            "HasRemnant": 0.0007029897816598369
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "6051a117f76d3d4ada9d2df03ba08b73",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.000268067708387896,
                            "NSBH": 0.0014150098816515637,
                            "Terrestrial": 0.9983169224099605
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-12-05T01:02:54Z",
                    "superevent_id": "S231205c",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-12-05T01:02:55.268301Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-12-05T01:02:55.268328Z",
                "modified": "2023-12-05T01:02:55.274036Z"
            }
        }
    ]
}