GET /api/v0/nonlocalizedeventsequence/?format=api&offset=7100&ordering=-id
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 11124,
    "next": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=7200&ordering=-id",
    "previous": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=7000&ordering=-id",
    "results": [
        {
            "id": 4024,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7083,
                "topic": "igwn.gwalert",
                "uuid": "ebdd0d0b-afa6-4772-b3aa-157eceb0286a",
                "title": "S240429ih - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429ih/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429ih/view/"
                    },
                    "event": {
                        "far": 5.31221e-06,
                        "time": "2024-04-29T23:49:50.311Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 809.0790739835651,
                        "area_90": 4545.61438246368,
                        "duration": 0.043523,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "952598bc4ddbf83cf1fcdf2fa54c83f1",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 777.936462
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T23:52:04Z",
                    "superevent_id": "S240429ih",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T23:52:05.526203Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T23:52:05.526221Z",
                "modified": "2024-04-29T23:52:05.535253Z"
            }
        },
        {
            "id": 4023,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7082,
                "topic": "igwn.gwalert",
                "uuid": "b5d48914-97c4-4149-8ee9-78b09376f5b4",
                "title": "S240429hq - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429hq/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429hq/view/"
                    },
                    "event": {
                        "far": 9.77164e-06,
                        "time": "2024-04-29T22:10:14.613Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 205.62694307673598,
                        "area_90": 694.9351382348464,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "f89c6d15e7c819e7358fea13fc41dabe",
                        "classification": {
                            "BBH": 0.0021357828986177108,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9978642171013823
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T22:18:48Z",
                    "superevent_id": "S240429hq",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T22:18:49.496527Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T22:18:49.496546Z",
                "modified": "2024-04-29T22:18:49.503238Z"
            }
        },
        {
            "id": 4022,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7081,
                "topic": "igwn.gwalert",
                "uuid": "14e84ab1-0842-4f40-8302-b07e29c843ed",
                "title": "S240429hq - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429hq/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429hq/view/"
                    },
                    "event": {
                        "far": 9.77164e-06,
                        "time": "2024-04-29T22:10:14.613Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 205.62694307673598,
                        "area_90": 694.9351382348464,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "f89c6d15e7c819e7358fea13fc41dabe",
                        "classification": {
                            "BBH": 0.0021357828986177108,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9978642171013823
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T22:14:11Z",
                    "superevent_id": "S240429hq",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T22:14:12.665534Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T22:14:12.665559Z",
                "modified": "2024-04-29T22:14:12.676172Z"
            }
        },
        {
            "id": 4021,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7078,
                "topic": "igwn.gwalert",
                "uuid": "b1a00160-3e03-43a3-80df-2cf5b9c25bbb",
                "title": "S240429hg - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429hg/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429hg/view/"
                    },
                    "event": {
                        "far": 1.89634e-05,
                        "time": "2024-04-29T18:50:17.074Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 785.5788519176524,
                        "area_90": 2577.470784443494,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "936d654254defe04ac03bfbcc126be92",
                        "classification": {
                            "BBH": 0.0006848900493496846,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9993151099506503
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T18:56:25Z",
                    "superevent_id": "S240429hg",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T18:56:26.397469Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T18:56:26.397487Z",
                "modified": "2024-04-29T18:56:26.404681Z"
            }
        },
        {
            "id": 4020,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7077,
                "topic": "igwn.gwalert",
                "uuid": "df42ce3e-64e5-4322-a298-657afc70f5e8",
                "title": "S240429hg - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429hg/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429hg/view/"
                    },
                    "event": {
                        "far": 1.89634e-05,
                        "time": "2024-04-29T18:50:17.074Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 785.5788519176524,
                        "area_90": 2577.470784443494,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "936d654254defe04ac03bfbcc126be92",
                        "classification": {
                            "BBH": 0.0006848900493496846,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9993151099506503
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T18:51:49Z",
                    "superevent_id": "S240429hg",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T18:51:49.927952Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T18:51:49.927974Z",
                "modified": "2024-04-29T18:51:49.937022Z"
            }
        },
        {
            "id": 4019,
            "sequence_number": 4,
            "sequence_type": "UPDATE",
            "message": {
                "id": 7075,
                "topic": "igwn.gwalert",
                "uuid": "ba62c0f0-6780-45fe-b5ca-3b3c1bbd76fc",
                "title": "S240426s - UPDATE",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426s/files/bayestar.multiorder.fits,2",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426s/view/"
                    },
                    "event": {
                        "far": 7.602110021385242e-09,
                        "time": "2024-04-26T03:14:51.975Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 766.2750980777955,
                        "area_90": 3049.153813052169,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "9807ec77bf49d8e9632e61303979b00b",
                        "classification": {
                            "BBH": 0.9826443572277064,
                            "BNS": 0.0,
                            "NSBH": 6.275663561630672e-11,
                            "Terrestrial": 0.017355642709536934
                        },
                        "skymap_version": 2,
                        "central_frequency": null
                    },
                    "alert_type": "UPDATE",
                    "sequence_num": 4,
                    "time_created": "2024-04-29T18:22:06Z",
                    "superevent_id": "S240426s",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T18:22:07.744072Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T18:22:07.744098Z",
                "modified": "2024-04-29T18:22:07.752939Z"
            }
        },
        {
            "id": 4018,
            "sequence_number": 5,
            "sequence_type": "UPDATE",
            "message": {
                "id": 7072,
                "topic": "igwn.gwalert",
                "uuid": "b081d058-12b7-4020-8513-511508f5af78",
                "title": "S240426dl - UPDATE",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426dl/files/cwb.multiorder.fits,2",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426dl/view/"
                    },
                    "event": {
                        "far": 5.15328e-08,
                        "time": "2024-04-26T15:18:03.773Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 683.6046740244955,
                        "area_90": 3468.8006356577525,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "ae9864bb258eab70f959b6e5916e4ba4",
                        "classification": {
                            "BBH": 0.30076378558368555,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.6992362144163144
                        },
                        "skymap_version": 2,
                        "central_frequency": null
                    },
                    "alert_type": "UPDATE",
                    "sequence_num": 5,
                    "time_created": "2024-04-29T17:46:53Z",
                    "superevent_id": "S240426dl",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T17:46:54.450146Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T17:46:54.450162Z",
                "modified": "2024-04-29T17:46:54.458517Z"
            }
        },
        {
            "id": 4017,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7071,
                "topic": "igwn.gwalert",
                "uuid": "d68367b2-729f-4c61-ad5e-1d50788b0af9",
                "title": "S240429gk - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429gk/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429gk/view/"
                    },
                    "event": {
                        "far": 1.784245141228559e-05,
                        "time": "2024-04-29T16:19:25.112Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 861.1152799866574,
                        "area_90": 4775.580841251541,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.002857142857142857,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "624456d2c224c2e297819c5331a07007",
                        "classification": {
                            "BBH": 0.06103383317144703,
                            "BNS": 2.3070754835187816e-14,
                            "NSBH": 1.6823722586854561e-12,
                            "Terrestrial": 0.9389661668268475
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T16:24:31Z",
                    "superevent_id": "S240429gk",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T16:24:32.140596Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T16:24:32.140619Z",
                "modified": "2024-04-29T16:24:32.148110Z"
            }
        },
        {
            "id": 4016,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7070,
                "topic": "igwn.gwalert",
                "uuid": "23587608-0f7c-4ccb-947f-3b1c7566619a",
                "title": "S240429gk - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429gk/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429gk/view/"
                    },
                    "event": {
                        "far": 1.784245141228559e-05,
                        "time": "2024-04-29T16:19:26.115Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1413.790145358211,
                        "area_90": 5134.798521401919,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d061c9b5b6ba52a560e55040ba28c118",
                        "classification": {
                            "BBH": 0.06103383317144703,
                            "BNS": 2.3070754835187816e-14,
                            "NSBH": 1.6823722586854561e-12,
                            "Terrestrial": 0.9389661668268475
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T16:19:52Z",
                    "superevent_id": "S240429gk",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T16:19:53.539355Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T16:19:53.539372Z",
                "modified": "2024-04-29T16:19:53.547314Z"
            }
        },
        {
            "id": 4015,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7069,
                "topic": "igwn.gwalert",
                "uuid": "a3c52a72-4e40-4d17-9453-cc81dc1ca6f3",
                "title": "S240429gc - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429gc/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429gc/view/"
                    },
                    "event": {
                        "far": 1.958787020807763e-05,
                        "time": "2024-04-29T15:55:40.483Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 451.74980453491065,
                        "area_90": 2355.8972621077455,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.03369230769230769,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "dce252b0edaa2aec70eb0b61d4433dfb",
                        "classification": {
                            "BBH": 0.055070740291000474,
                            "BNS": 2.2410493284770462e-17,
                            "NSBH": 1.421166011823061e-15,
                            "Terrestrial": 0.9449292597089981
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T16:00:49Z",
                    "superevent_id": "S240429gc",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T16:00:49.843758Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T16:00:49.843775Z",
                "modified": "2024-04-29T16:00:49.849960Z"
            }
        },
        {
            "id": 4014,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7068,
                "topic": "igwn.gwalert",
                "uuid": "59289a49-b420-4c96-b43f-7334ce9659bb",
                "title": "S240429gc - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429gc/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429gc/view/"
                    },
                    "event": {
                        "far": 1.958787020807763e-05,
                        "time": "2024-04-29T15:55:40.492Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 640.5908747074233,
                        "area_90": 2606.8460620258847,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.03369230769230769,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "195c1b14da45505bd0964acca1c2564c",
                        "classification": {
                            "BBH": 0.055070740291000474,
                            "BNS": 2.2410493284770462e-17,
                            "NSBH": 1.421166011823061e-15,
                            "Terrestrial": 0.9449292597089981
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T15:56:08Z",
                    "superevent_id": "S240429gc",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T15:56:09.269060Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T15:56:09.269081Z",
                "modified": "2024-04-29T15:56:09.280736Z"
            }
        },
        {
            "id": 4013,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7067,
                "topic": "igwn.gwalert",
                "uuid": "b7b63466-c606-4764-8af5-2eda1b174604",
                "title": "S240429fv - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429fv/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429fv/view/"
                    },
                    "event": {
                        "far": 1.36972e-05,
                        "time": "2024-04-29T15:17:51.310Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1214.4579046205588,
                        "area_90": 4554.007318915792,
                        "duration": 0.013593,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "edccda1e21acc0a18d9281f9e1850b46",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 198.612946
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T15:24:12Z",
                    "superevent_id": "S240429fv",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T15:24:13.163829Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T15:24:13.163856Z",
                "modified": "2024-04-29T15:24:13.170289Z"
            }
        },
        {
            "id": 4012,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7066,
                "topic": "igwn.gwalert",
                "uuid": "0d2b07a5-faeb-4e87-b70a-a919f883de61",
                "title": "S240429fu - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429fu/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429fu/view/"
                    },
                    "event": {
                        "far": 1.24466e-05,
                        "time": "2024-04-29T15:14:26.277Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 289.5563075978526,
                        "area_90": 991.2057949943882,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.08365417915417915,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "064c232102450279276dd61da7803bd8",
                        "classification": {
                            "BBH": 0.0008534900247607613,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9991465099752392
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T15:22:18Z",
                    "superevent_id": "S240429fu",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T15:22:18.980660Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T15:22:18.980680Z",
                "modified": "2024-04-29T15:22:18.987107Z"
            }
        },
        {
            "id": 4011,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7065,
                "topic": "igwn.gwalert",
                "uuid": "aa1d3f44-466b-4195-b693-0eefaa8cab37",
                "title": "S240429ft - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429ft/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429ft/view/"
                    },
                    "event": {
                        "far": 1.38604e-05,
                        "time": "2024-04-29T15:15:16.967Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1320.2089039171656,
                        "area_90": 4367.684129678912,
                        "duration": 0.014816,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7cbbce19a20ddef7845575cf2ea4eca6",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 72.058861
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T15:21:09Z",
                    "superevent_id": "S240429ft",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T15:21:10.118307Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T15:21:10.118332Z",
                "modified": "2024-04-29T15:21:10.125062Z"
            }
        },
        {
            "id": 4010,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7064,
                "topic": "igwn.gwalert",
                "uuid": "e7dfbad7-97b5-47ed-a50e-a707e8786961",
                "title": "S240429fv - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429fv/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429fv/view/"
                    },
                    "event": {
                        "far": 1.36972e-05,
                        "time": "2024-04-29T15:17:51.310Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1214.4579046205588,
                        "area_90": 4554.007318915792,
                        "duration": 0.013593,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "edccda1e21acc0a18d9281f9e1850b46",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 198.612946
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T15:19:37Z",
                    "superevent_id": "S240429fv",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T15:19:37.930162Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T15:19:37.930194Z",
                "modified": "2024-04-29T15:19:37.937078Z"
            }
        },
        {
            "id": 4009,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7063,
                "topic": "igwn.gwalert",
                "uuid": "f4f5a06f-a749-43f7-8df3-467cadf114dc",
                "title": "S240429fu - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429fu/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429fu/view/"
                    },
                    "event": {
                        "far": 1.24466e-05,
                        "time": "2024-04-29T15:14:26.277Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 289.5563075978526,
                        "area_90": 991.2057949943882,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.08365417915417915,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "064c232102450279276dd61da7803bd8",
                        "classification": {
                            "BBH": 0.0008534900247607613,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9991465099752392
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T15:17:42Z",
                    "superevent_id": "S240429fu",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T15:17:43.680331Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T15:17:43.680358Z",
                "modified": "2024-04-29T15:17:43.686812Z"
            }
        },
        {
            "id": 4008,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7062,
                "topic": "igwn.gwalert",
                "uuid": "f2b5e50c-6380-4ce2-a0f2-db6ded1fe00f",
                "title": "S240429ft - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429ft/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429ft/view/"
                    },
                    "event": {
                        "far": 1.38604e-05,
                        "time": "2024-04-29T15:15:16.967Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1320.2089039171656,
                        "area_90": 4367.684129678912,
                        "duration": 0.014816,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7cbbce19a20ddef7845575cf2ea4eca6",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 72.058861
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T15:16:33Z",
                    "superevent_id": "S240429ft",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T15:16:34.486280Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T15:16:34.486302Z",
                "modified": "2024-04-29T15:16:34.494771Z"
            }
        },
        {
            "id": 4007,
            "sequence_number": 4,
            "sequence_type": "UPDATE",
            "message": {
                "id": 7059,
                "topic": "igwn.gwalert",
                "uuid": "811ef6e4-0454-4ca7-91b8-dcb6d11ee583",
                "title": "S240428dr - UPDATE",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240428dr/files/bayestar.multiorder.fits,2",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240428dr/view/"
                    },
                    "event": {
                        "far": 2.109208462752245e-14,
                        "time": "2024-04-28T22:54:40.077Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 37.42725099113548,
                        "area_90": 185.4314397388422,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0013333333333333333,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "V1"
                        ],
                        "significant": true,
                        "skymap_hash": "5cbfaff5db02ea1cb90fc8477eb5fc7e",
                        "classification": {
                            "BBH": 0.999999899063289,
                            "BNS": 1.5321871564450037e-43,
                            "NSBH": 1.1475700461137866e-41,
                            "Terrestrial": 1.0093671098942991e-07
                        },
                        "skymap_version": 2,
                        "central_frequency": null
                    },
                    "alert_type": "UPDATE",
                    "sequence_num": 4,
                    "time_created": "2024-04-29T13:25:39Z",
                    "superevent_id": "S240428dr",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T13:25:40.196375Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T13:25:40.196393Z",
                "modified": "2024-04-29T13:25:40.205073Z"
            }
        },
        {
            "id": 4006,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7057,
                "topic": "igwn.gwalert",
                "uuid": "f1204a4b-0322-410e-96e8-f8f79985203e",
                "title": "S240429ei - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429ei/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429ei/view/"
                    },
                    "event": {
                        "far": 9.14875e-06,
                        "time": "2024-04-29T12:04:43.273Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 233.32363336870444,
                        "area_90": 793.971788369764,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "5661b186e2e910b1193c94bf1cb219fa",
                        "classification": {
                            "BBH": 0.002044566625587718,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9979554333744123
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T12:12:01Z",
                    "superevent_id": "S240429ei",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T12:12:01.887030Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T12:12:01.887046Z",
                "modified": "2024-04-29T12:12:01.893425Z"
            }
        },
        {
            "id": 4005,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7056,
                "topic": "igwn.gwalert",
                "uuid": "df43448f-1c2c-4d2b-9689-af1d10ff30be",
                "title": "S240429ei - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429ei/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429ei/view/"
                    },
                    "event": {
                        "far": 9.14875e-06,
                        "time": "2024-04-29T12:04:43.273Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 233.32363336870444,
                        "area_90": 793.971788369764,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "5661b186e2e910b1193c94bf1cb219fa",
                        "classification": {
                            "BBH": 0.002044566625587718,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9979554333744123
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T12:07:24Z",
                    "superevent_id": "S240429ei",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T12:07:25.196099Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T12:07:25.196116Z",
                "modified": "2024-04-29T12:07:25.202613Z"
            }
        },
        {
            "id": 4004,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7055,
                "topic": "igwn.gwalert",
                "uuid": "b5b2a90b-8925-4c05-948a-670bad9f9f17",
                "title": "S240429ef - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429ef/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429ef/view/"
                    },
                    "event": {
                        "far": 1.87727e-05,
                        "time": "2024-04-29T11:50:31.340Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 982.8128585422763,
                        "area_90": 3761.7141178364504,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d8b6bdf044ae815d3c6d91616ab6bdfd",
                        "classification": {
                            "BBH": 0.0006848900493496846,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9993151099506503
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T11:56:40Z",
                    "superevent_id": "S240429ef",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T11:56:41.943076Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T11:56:41.943093Z",
                "modified": "2024-04-29T11:56:41.949912Z"
            }
        },
        {
            "id": 4003,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7054,
                "topic": "igwn.gwalert",
                "uuid": "6cda9f77-e445-43a2-98a9-8d87d9f36e0c",
                "title": "S240429ef - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429ef/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429ef/view/"
                    },
                    "event": {
                        "far": 1.87727e-05,
                        "time": "2024-04-29T11:50:31.340Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 982.8128585422763,
                        "area_90": 3761.7141178364504,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d8b6bdf044ae815d3c6d91616ab6bdfd",
                        "classification": {
                            "BBH": 0.0006848900493496846,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9993151099506503
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T11:52:04Z",
                    "superevent_id": "S240429ef",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T11:52:05.339343Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T11:52:05.339361Z",
                "modified": "2024-04-29T11:52:05.345390Z"
            }
        },
        {
            "id": 4002,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7053,
                "topic": "igwn.gwalert",
                "uuid": "3d365eca-6f3a-466c-9ef6-2d748f37d238",
                "title": "S240429ea - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429ea/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429ea/view/"
                    },
                    "event": {
                        "far": 2.274936128829375e-05,
                        "time": "2024-04-29T11:41:04.955Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 623.1755315692915,
                        "area_90": 2742.8116325500937,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.018157865123382366,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "e39f7ff29186bc6ab1479c20cdcd1e41",
                        "classification": {
                            "BBH": 0.038441712134311364,
                            "BNS": 1.0465934125826718e-13,
                            "NSBH": 6.55809575649476e-11,
                            "Terrestrial": 0.9615582878000031
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T11:46:08Z",
                    "superevent_id": "S240429ea",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T11:46:09.447656Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T11:46:09.447680Z",
                "modified": "2024-04-29T11:46:09.455583Z"
            }
        },
        {
            "id": 4001,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7052,
                "topic": "igwn.gwalert",
                "uuid": "9df68bc3-5f29-49a2-a213-48de2ae0abed",
                "title": "S240429ea - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429ea/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429ea/view/"
                    },
                    "event": {
                        "far": 1.980927199495932e-05,
                        "time": "2024-04-29T11:41:04.958Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1345.1778898621978,
                        "area_90": 5534.302296522435,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.09434688144603322,
                            "HasMassGap": 0.026260429225946468,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9e62a82cddec1d2beee3fe158f5e68db",
                        "classification": {
                            "BBH": 0.05423888955744744,
                            "BNS": 8.150236983498232e-14,
                            "NSBH": 6.513889608636928e-11,
                            "Terrestrial": 0.9457611103773321
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T11:41:30Z",
                    "superevent_id": "S240429ea",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T11:41:31.855346Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T11:41:31.855362Z",
                "modified": "2024-04-29T11:41:31.865654Z"
            }
        },
        {
            "id": 4000,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7051,
                "topic": "igwn.gwalert",
                "uuid": "2c1f6fb5-ee73-4fd7-9cda-916185b8a2ca",
                "title": "S240429dh - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429dh/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429dh/view/"
                    },
                    "event": {
                        "far": 2.036859e-05,
                        "time": "2024-04-29T09:32:21.190Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1112.9033735500072,
                        "area_90": 3794.4465699996863,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.15639057963594136,
                            "HasMassGap": 0.0858496845689742,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "5ddaf1593fa263c2edbc03f9bed25f47",
                        "classification": {
                            "BBH": 0.032423014,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.967576986
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T09:37:31Z",
                    "superevent_id": "S240429dh",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T09:37:32.912917Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T09:37:32.912941Z",
                "modified": "2024-04-29T09:37:32.920395Z"
            }
        },
        {
            "id": 3999,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7050,
                "topic": "igwn.gwalert",
                "uuid": "2fd3f664-ad88-43b6-83a1-30f4d42ee7c8",
                "title": "S240429dh - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429dh/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429dh/view/"
                    },
                    "event": {
                        "far": 2.036859e-05,
                        "time": "2024-04-29T09:32:21.190Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1112.9033735500072,
                        "area_90": 3794.4465699996863,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.15639057963594136,
                            "HasMassGap": 0.0858496845689742,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "5ddaf1593fa263c2edbc03f9bed25f47",
                        "classification": {
                            "BBH": 0.032423014,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.967576986
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T09:32:55Z",
                    "superevent_id": "S240429dh",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T09:32:56.246886Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T09:32:56.246904Z",
                "modified": "2024-04-29T09:32:56.257267Z"
            }
        },
        {
            "id": 3998,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7049,
                "topic": "igwn.gwalert",
                "uuid": "4556ca39-bd19-4828-a625-c45e3947971e",
                "title": "S240429db - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429db/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429db/view/"
                    },
                    "event": {
                        "far": 8.53701e-06,
                        "time": "2024-04-29T08:59:23.203Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 384.39648950671454,
                        "area_90": 1333.6376022405443,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a5d6c7eed09bba4207197223e116de5a",
                        "classification": {
                            "BBH": 0.0023433887633591555,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9976566112366408
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T09:06:06Z",
                    "superevent_id": "S240429db",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T09:06:07.699934Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T09:06:07.699950Z",
                "modified": "2024-04-29T09:06:07.706113Z"
            }
        },
        {
            "id": 3997,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7048,
                "topic": "igwn.gwalert",
                "uuid": "6630199f-027b-4ac2-ae70-c12cce766c8f",
                "title": "S240429db - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429db/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429db/view/"
                    },
                    "event": {
                        "far": 8.53701e-06,
                        "time": "2024-04-29T08:59:23.203Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 384.39648950671454,
                        "area_90": 1333.6376022405443,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a5d6c7eed09bba4207197223e116de5a",
                        "classification": {
                            "BBH": 0.0023433887633591555,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9976566112366408
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T09:01:29Z",
                    "superevent_id": "S240429db",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T09:01:30.064627Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T09:01:30.064645Z",
                "modified": "2024-04-29T09:01:30.075470Z"
            }
        },
        {
            "id": 3996,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7046,
                "topic": "igwn.gwalert",
                "uuid": "51e15fe7-aadc-49f5-b320-9b26c1e8a63d",
                "title": "S240429ch - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429ch/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429ch/view/"
                    },
                    "event": {
                        "far": 1.58513496583409e-05,
                        "time": "2024-04-29T07:06:26.083Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 492.7702814446064,
                        "area_90": 2238.396151778182,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "cf29d77f53075362ac14b534d5d1a347",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.003076241674461744,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9969237583255383
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T07:11:42Z",
                    "superevent_id": "S240429ch",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T07:11:43.480342Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T07:11:43.480359Z",
                "modified": "2024-04-29T07:11:43.487968Z"
            }
        },
        {
            "id": 3995,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7045,
                "topic": "igwn.gwalert",
                "uuid": "ca0e2374-a72b-4aac-9a59-192e2f1dd637",
                "title": "S240429ch - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429ch/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429ch/view/"
                    },
                    "event": {
                        "far": 1.58513496583409e-05,
                        "time": "2024-04-29T07:06:26.084Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 638.7024640056981,
                        "area_90": 2459.1303804687195,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "1dad4f86a2de6ed77eb305f663bfc95c",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.003076241674461767,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9969237583255383
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T07:07:00Z",
                    "superevent_id": "S240429ch",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T07:07:01.908467Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T07:07:01.908493Z",
                "modified": "2024-04-29T07:07:01.919167Z"
            }
        },
        {
            "id": 3994,
            "sequence_number": 2,
            "sequence_type": "RETRACTION",
            "message": {
                "id": 7043,
                "topic": "igwn.gwalert",
                "uuid": "6bb5d663-de59-4f93-8857-3123f1c8172f",
                "title": "S240429an - RETRACTION",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429an/view/"
                    },
                    "event": null,
                    "alert_type": "RETRACTION",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T05:58:21Z",
                    "superevent_id": "S240429an",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T05:58:22.023612Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T05:58:22.023635Z",
                "modified": "2024-04-29T05:58:22.034187Z"
            }
        },
        {
            "id": 3993,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7042,
                "topic": "igwn.gwalert",
                "uuid": "d6e2cd68-b85a-4273-81e9-c56ae362a42e",
                "title": "S240429ai - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429ai/files/cwb.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429ai/view/"
                    },
                    "event": {
                        "far": 6.91403e-06,
                        "time": "2024-04-29T05:15:20.727Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 529.5942901282464,
                        "area_90": 3582.1052777612604,
                        "duration": 0.007245,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "df4e2f5ade820d677239d920b30d4f52",
                        "classification": {},
                        "skymap_version": 1,
                        "central_frequency": 102.57032
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T05:24:00Z",
                    "superevent_id": "S240429ai",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T05:24:01.137414Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T05:24:01.137436Z",
                "modified": "2024-04-29T05:24:01.145088Z"
            }
        },
        {
            "id": 3992,
            "sequence_number": 1,
            "sequence_type": "EARLY_WARNING",
            "message": {
                "id": 7041,
                "topic": "igwn.gwalert",
                "uuid": "1c1570a3-402a-4f16-8416-b0866b7a9697",
                "title": "S240429an - EARLYWARNING",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429an/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429an/view/"
                    },
                    "event": {
                        "far": 2.867864e-09,
                        "time": "2024-04-29T05:23:03.633Z",
                        "group": "CBC",
                        "search": "EarlyWarning",
                        "area_50": 28.10322315136767,
                        "area_90": 390.4813684344954,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "e0f4e912e3b181c27580ffeedb116676",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.018556208,
                            "NSBH": 0.0,
                            "Terrestrial": 0.981443792
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "EARLYWARNING",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T05:23:04Z",
                    "superevent_id": "S240429an",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T05:23:05.023372Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T05:23:05.023388Z",
                "modified": "2024-04-29T05:23:05.029874Z"
            }
        },
        {
            "id": 3991,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7040,
                "topic": "igwn.gwalert",
                "uuid": "11094005-22aa-4365-9ff5-3c0395e1e919",
                "title": "S240429ai - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429ai/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429ai/view/"
                    },
                    "event": {
                        "far": 7.57799e-06,
                        "time": "2024-04-29T05:15:20.728Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 548.8980439681033,
                        "area_90": 1763.3559485886617,
                        "duration": 0.010284,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "73c9ef0e20fa0be88f7c77e7a762d889",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 93.969818
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T05:19:21Z",
                    "superevent_id": "S240429ai",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T05:19:22.516201Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T05:19:22.516218Z",
                "modified": "2024-04-29T05:19:22.522212Z"
            }
        },
        {
            "id": 3990,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7039,
                "topic": "igwn.gwalert",
                "uuid": "200ac54e-6e70-483e-ba2b-65160008e23a",
                "title": "S240429af - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429af/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429af/view/"
                    },
                    "event": {
                        "far": 1.703852299334295e-05,
                        "time": "2024-04-29T05:12:56.031Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 3723.9459038019477,
                        "area_90": 12452.599813998084,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.35406781256028264,
                            "HasMassGap": 0.30551404627287176,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "ee8623b69a1c7f04722dbe1baa960126",
                        "classification": {
                            "BBH": 0.04055796163065224,
                            "BNS": 2.312879463676482e-15,
                            "NSBH": 0.0013560494982569563,
                            "Terrestrial": 0.9580859888710885
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T05:18:01Z",
                    "superevent_id": "S240429af",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T05:18:02.379975Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T05:18:02.380000Z",
                "modified": "2024-04-29T05:18:02.388889Z"
            }
        },
        {
            "id": 3989,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7038,
                "topic": "igwn.gwalert",
                "uuid": "dc8b48f7-fe17-49db-83a0-fed4b2de5e24",
                "title": "S240429af - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429af/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429af/view/"
                    },
                    "event": {
                        "far": 1.703852299334295e-05,
                        "time": "2024-04-29T05:12:56.031Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 8068.96910506016,
                        "area_90": 24228.72894995597,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.38893115452107035,
                            "HasMassGap": 0.30551404627287176,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1"
                        ],
                        "significant": false,
                        "skymap_hash": "698d96f787ae2ca1a2c9fe02e49d7839",
                        "classification": {
                            "BBH": 0.04055796163065224,
                            "BNS": 2.312879463676482e-15,
                            "NSBH": 0.0013560494982569563,
                            "Terrestrial": 0.9580859888710885
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T05:13:24Z",
                    "superevent_id": "S240429af",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T05:13:25.553281Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T05:13:25.553299Z",
                "modified": "2024-04-29T05:13:25.564520Z"
            }
        },
        {
            "id": 3988,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7037,
                "topic": "igwn.gwalert",
                "uuid": "64d5e7b3-b482-46a0-a955-fb1ffc1cbd35",
                "title": "S240429m - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429m/files/cwb.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429m/view/"
                    },
                    "event": {
                        "far": 2.03937e-06,
                        "time": "2024-04-29T01:50:59.059Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1184.2433333929564,
                        "area_90": 5226.281528729937,
                        "duration": 0.026801,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "908da9977a1d86f8a7d42409cb62beb1",
                        "classification": {},
                        "skymap_version": 1,
                        "central_frequency": 516.601196
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T01:57:17Z",
                    "superevent_id": "S240429m",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T01:57:18.710824Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T01:57:18.710845Z",
                "modified": "2024-04-29T01:57:18.717011Z"
            }
        },
        {
            "id": 3987,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7036,
                "topic": "igwn.gwalert",
                "uuid": "72a5d122-650f-48b1-ab26-4e650593aa60",
                "title": "S240429m - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429m/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429m/view/"
                    },
                    "event": {
                        "far": 8.14699e-06,
                        "time": "2024-04-29T01:50:59.056Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1760.8380676530282,
                        "area_90": 6785.689121532285,
                        "duration": 0.023985,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "f9d70ca8a105fff6288a1f9631b8491f",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 516.604004
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T01:52:41Z",
                    "superevent_id": "S240429m",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T01:52:41.816273Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T01:52:41.816289Z",
                "modified": "2024-04-29T01:52:41.822589Z"
            }
        },
        {
            "id": 3986,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7035,
                "topic": "igwn.gwalert",
                "uuid": "e04388a6-6cee-4c3f-b864-0a3e610b485e",
                "title": "S240429i - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429i/files/cwb.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429i/view/"
                    },
                    "event": {
                        "far": 4.47746e-07,
                        "time": "2024-04-29T01:39:15.699Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 448.1828065427632,
                        "area_90": 2015.1440421520113,
                        "duration": 0.018821,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "af766d00d1cb59c27c754bbeac7311ca",
                        "classification": {},
                        "skymap_version": 1,
                        "central_frequency": 239.439178
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T01:45:43Z",
                    "superevent_id": "S240429i",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T01:45:43.749016Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T01:45:43.749052Z",
                "modified": "2024-04-29T01:45:43.755896Z"
            }
        },
        {
            "id": 3985,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7034,
                "topic": "igwn.gwalert",
                "uuid": "c34528c6-5d80-4114-a9cf-708d22a2252d",
                "title": "S240429i - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429i/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429i/view/"
                    },
                    "event": {
                        "far": 1.72261e-05,
                        "time": "2024-04-29T01:39:15.730Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 76.37572171421621,
                        "area_90": 245.07374440166075,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.3636056269165539,
                            "HasMassGap": 0.5779324655738054,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "2df69bb74d64aa060ecd2787936d8540",
                        "classification": {
                            "BBH": 0.0005325946001415449,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9994674053998585
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T01:41:00Z",
                    "superevent_id": "S240429i",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T01:41:00.947152Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T01:41:00.947168Z",
                "modified": "2024-04-29T01:41:00.956541Z"
            }
        },
        {
            "id": 3984,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7033,
                "topic": "igwn.gwalert",
                "uuid": "a30bdb6e-735d-4a26-99a7-6ea0ede41114",
                "title": "S240429a - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429a/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429a/view/"
                    },
                    "event": {
                        "far": 9.894696488011821e-06,
                        "time": "2024-04-29T00:59:52.898Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 622.9657081579886,
                        "area_90": 2955.152924788519,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.026260429225946468,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "8921fe83aae569d31d5b8dfbdeafaf33",
                        "classification": {
                            "BBH": 0.1433729559213105,
                            "BNS": 5.420235502773341e-14,
                            "NSBH": 3.80965857895512e-12,
                            "Terrestrial": 0.8566270440748256
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-29T01:05:00Z",
                    "superevent_id": "S240429a",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T01:05:01.441233Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T01:05:01.441251Z",
                "modified": "2024-04-29T01:05:01.447703Z"
            }
        },
        {
            "id": 3983,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7032,
                "topic": "igwn.gwalert",
                "uuid": "90aab773-90a5-4812-97e6-c58ccd43eb75",
                "title": "S240429a - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240429a/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240429a/view/"
                    },
                    "event": {
                        "far": 7.861319301026288e-06,
                        "time": "2024-04-29T00:59:52.913Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 949.6607595564354,
                        "area_90": 4100.7887505017625,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.026260429225946468,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "8e55de28a49840e2c1196a14a3acf06f",
                        "classification": {
                            "BBH": 0.17321830839136432,
                            "BNS": 5.282416797086648e-14,
                            "NSBH": 3.723787016428328e-12,
                            "Terrestrial": 0.826781691604859
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-29T01:00:21Z",
                    "superevent_id": "S240429a",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T01:00:21.805849Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T01:00:21.805874Z",
                "modified": "2024-04-29T01:00:21.813889Z"
            }
        },
        {
            "id": 3982,
            "sequence_number": 3,
            "sequence_type": "INITIAL",
            "message": {
                "id": 7029,
                "topic": "igwn.gwalert",
                "uuid": "d607ac89-0525-4b9d-95de-99c0d4259419",
                "title": "S240428dr - INITIAL",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240428dr/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240428dr/view/"
                    },
                    "event": {
                        "far": 2.109208462752245e-14,
                        "time": "2024-04-28T22:54:40.077Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 61.07172665231882,
                        "area_90": 285.4122952246224,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "V1"
                        ],
                        "significant": true,
                        "skymap_hash": "33dd15cca4b94f5883eaf38975f8194f",
                        "classification": {
                            "BBH": 0.9999999258817915,
                            "BNS": 2.711908630778151e-43,
                            "NSBH": 2.0281371328437758e-41,
                            "Terrestrial": 7.411820845959483e-08
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "INITIAL",
                    "sequence_num": 3,
                    "time_created": "2024-04-29T00:05:27Z",
                    "superevent_id": "S240428dr",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-29T00:05:28.627214Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-29T00:05:28.627233Z",
                "modified": "2024-04-29T00:05:28.638160Z"
            }
        },
        {
            "id": 3981,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7028,
                "topic": "igwn.gwalert",
                "uuid": "8daa3327-4d5d-4574-9ae3-245735b92780",
                "title": "S240428dr - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240428dr/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240428dr/view/"
                    },
                    "event": {
                        "far": 2.109208462752245e-14,
                        "time": "2024-04-28T22:54:40.077Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 61.07172665231882,
                        "area_90": 285.4122952246224,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "V1"
                        ],
                        "significant": true,
                        "skymap_hash": "33dd15cca4b94f5883eaf38975f8194f",
                        "classification": {
                            "BBH": 0.9999999258817915,
                            "BNS": 2.711908630778151e-43,
                            "NSBH": 2.0281371328437758e-41,
                            "Terrestrial": 7.411820845959483e-08
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-28T22:59:50Z",
                    "superevent_id": "S240428dr",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-28T22:59:51.329804Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-28T22:59:51.329826Z",
                "modified": "2024-04-28T22:59:51.335592Z"
            }
        },
        {
            "id": 3980,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7027,
                "topic": "igwn.gwalert",
                "uuid": "cf007420-48d0-4ede-89c9-f79acd6636cc",
                "title": "S240428dr - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240428dr/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240428dr/view/"
                    },
                    "event": {
                        "far": 3.325159390653484e-14,
                        "time": "2024-04-28T22:54:40.077Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 8060.576168608048,
                        "area_90": 24218.657426213435,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0013333333333333333,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1"
                        ],
                        "significant": true,
                        "skymap_hash": "4ccb3c9b31d0416d8f6371756164aa62",
                        "classification": {
                            "BBH": 0.999999899063289,
                            "BNS": 1.5321871564450037e-43,
                            "NSBH": 1.1475700461137866e-41,
                            "Terrestrial": 1.0093671098942991e-07
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-28T22:55:10Z",
                    "superevent_id": "S240428dr",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-28T22:55:11.655334Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-28T22:55:11.655352Z",
                "modified": "2024-04-28T22:55:11.668110Z"
            }
        },
        {
            "id": 3979,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7024,
                "topic": "igwn.gwalert",
                "uuid": "a9aa09d8-2ec4-4c47-821a-cd1cb43dfa47",
                "title": "S240428ct - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240428ct/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240428ct/view/"
                    },
                    "event": {
                        "far": 3.02537092270543e-06,
                        "time": "2024-04-28T14:12:53.719Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 907.0666070619689,
                        "area_90": 3765.9105860625064,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "ca0763d507b9d564caffd6bcc2c7f5b3",
                        "classification": {
                            "BBH": 0.4107254047098163,
                            "BNS": 3.1480281460736907e-13,
                            "NSBH": 2.147075148315272e-11,
                            "Terrestrial": 0.5892745952683982
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-28T14:17:59Z",
                    "superevent_id": "S240428ct",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-28T14:17:59.662992Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-28T14:17:59.663013Z",
                "modified": "2024-04-28T14:17:59.669127Z"
            }
        },
        {
            "id": 3978,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7023,
                "topic": "igwn.gwalert",
                "uuid": "41dfd202-9102-42aa-843c-d664ea0dc779",
                "title": "S240428ct - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240428ct/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240428ct/view/"
                    },
                    "event": {
                        "far": 3.561793065405073e-06,
                        "time": "2024-04-28T14:12:53.721Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1281.391572826149,
                        "area_90": 5624.10671656003,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "5d760dfef4c109b951bafcefdd193640",
                        "classification": {
                            "BBH": 0.37203132206402434,
                            "BNS": 2.801631178855963e-13,
                            "NSBH": 1.911022718524911e-11,
                            "Terrestrial": 0.6279686779165853
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-28T14:13:20Z",
                    "superevent_id": "S240428ct",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-28T14:13:21.012498Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-28T14:13:21.012538Z",
                "modified": "2024-04-28T14:13:21.024682Z"
            }
        },
        {
            "id": 3977,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7022,
                "topic": "igwn.gwalert",
                "uuid": "612162e0-a18a-4ff4-82f7-b43c16b9c096",
                "title": "S240428cm - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240428cm/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240428cm/view/"
                    },
                    "event": {
                        "far": 2.30177e-05,
                        "time": "2024-04-28T13:49:38.328Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1537.585958026858,
                        "area_90": 5809.590612151697,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "0bc146cf237aee133d9072ba98a9c714",
                        "classification": {
                            "BBH": 0.0010012329564932365,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9989987670435068
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-28T13:56:43Z",
                    "superevent_id": "S240428cm",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-28T13:56:43.414085Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-28T13:56:43.414100Z",
                "modified": "2024-04-28T13:56:43.420393Z"
            }
        },
        {
            "id": 3976,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7021,
                "topic": "igwn.gwalert",
                "uuid": "34fa7a7a-2807-46f2-99e2-5848822acc63",
                "title": "S240428cm - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240428cm/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240428cm/view/"
                    },
                    "event": {
                        "far": 2.30177e-05,
                        "time": "2024-04-28T13:49:38.328Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1537.585958026858,
                        "area_90": 5809.590612151697,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "0bc146cf237aee133d9072ba98a9c714",
                        "classification": {
                            "BBH": 0.0010012329564932365,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9989987670435068
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-28T13:52:06Z",
                    "superevent_id": "S240428cm",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-28T13:52:07.430798Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-28T13:52:07.430823Z",
                "modified": "2024-04-28T13:52:07.442369Z"
            }
        },
        {
            "id": 3975,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7020,
                "topic": "igwn.gwalert",
                "uuid": "25edd231-fda9-4221-a838-3085e475be3e",
                "title": "S240428bm - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240428bm/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240428bm/view/"
                    },
                    "event": {
                        "far": 9.920573e-06,
                        "time": "2024-04-28T10:48:32.038Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1267.1235808575595,
                        "area_90": 4727.741103474504,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.0017018150273299191,
                            "HasMassGap": 0.34792176629799454,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "54c562428baa84de7160c9e88780e5bd",
                        "classification": {
                            "BBH": 0.078960897,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.921039103
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-28T10:53:39Z",
                    "superevent_id": "S240428bm",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-28T10:53:40.343233Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-28T10:53:40.343255Z",
                "modified": "2024-04-28T10:53:40.349161Z"
            }
        },
        {
            "id": 3974,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7019,
                "topic": "igwn.gwalert",
                "uuid": "61750fe8-4992-418d-8d45-aabd24612c82",
                "title": "S240428bm - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240428bm/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240428bm/view/"
                    },
                    "event": {
                        "far": 9.920573e-06,
                        "time": "2024-04-28T10:48:32.038Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1267.1235808575595,
                        "area_90": 4727.741103474504,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.0017018150273299191,
                            "HasMassGap": 0.34792176629799454,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "54c562428baa84de7160c9e88780e5bd",
                        "classification": {
                            "BBH": 0.078960897,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.921039103
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-28T10:49:03Z",
                    "superevent_id": "S240428bm",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-28T10:49:04.505370Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-28T10:49:04.505390Z",
                "modified": "2024-04-28T10:49:04.517142Z"
            }
        },
        {
            "id": 3973,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7018,
                "topic": "igwn.gwalert",
                "uuid": "460971ae-4619-4215-b8f2-392f3f35f116",
                "title": "S240428ao - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240428ao/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240428ao/view/"
                    },
                    "event": {
                        "far": 3.52453e-06,
                        "time": "2024-04-28T07:02:44.363Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 355.02121192432367,
                        "area_90": 1238.7974203316824,
                        "duration": 0.004594,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "97ff5cb0be85a594204f3a2a693df7f3",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 158.704208
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-28T07:09:30Z",
                    "superevent_id": "S240428ao",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-28T07:09:31.060845Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-28T07:09:31.060869Z",
                "modified": "2024-04-28T07:09:31.067237Z"
            }
        },
        {
            "id": 3972,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7017,
                "topic": "igwn.gwalert",
                "uuid": "c1f878fe-16cb-44a4-995e-0ed1f376e8dd",
                "title": "S240428ao - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240428ao/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240428ao/view/"
                    },
                    "event": {
                        "far": 3.52453e-06,
                        "time": "2024-04-28T07:02:44.363Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 355.02121192432367,
                        "area_90": 1238.7974203316824,
                        "duration": 0.004594,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "97ff5cb0be85a594204f3a2a693df7f3",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 158.704208
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-28T07:04:56Z",
                    "superevent_id": "S240428ao",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-28T07:04:57.501945Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-28T07:04:57.501971Z",
                "modified": "2024-04-28T07:04:57.512914Z"
            }
        },
        {
            "id": 3971,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7016,
                "topic": "igwn.gwalert",
                "uuid": "495a8e83-8f01-43c8-854e-864af4df0e8e",
                "title": "S240428aj - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240428aj/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240428aj/view/"
                    },
                    "event": {
                        "far": 1.94458e-05,
                        "time": "2024-04-28T06:17:37.707Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1555.2111245762926,
                        "area_90": 4815.866936221676,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.03369230769230769,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "f85c9a0bff6515e7296edd67b2071a21",
                        "classification": {
                            "BBH": 0.0007819332932107459,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9992180667067893
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-28T06:23:46Z",
                    "superevent_id": "S240428aj",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-28T06:23:46.625616Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-28T06:23:46.625636Z",
                "modified": "2024-04-28T06:23:46.631434Z"
            }
        },
        {
            "id": 3970,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7015,
                "topic": "igwn.gwalert",
                "uuid": "192e039e-9475-4d76-9279-7a72ee60a570",
                "title": "S240428aj - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240428aj/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240428aj/view/"
                    },
                    "event": {
                        "far": 1.94458e-05,
                        "time": "2024-04-28T06:17:37.707Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1555.2111245762926,
                        "area_90": 4815.866936221676,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.03369230769230769,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "f85c9a0bff6515e7296edd67b2071a21",
                        "classification": {
                            "BBH": 0.0007819332932107459,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9992180667067893
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-28T06:19:10Z",
                    "superevent_id": "S240428aj",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-28T06:19:11.662982Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-28T06:19:11.663005Z",
                "modified": "2024-04-28T06:19:11.678844Z"
            }
        },
        {
            "id": 3969,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7013,
                "topic": "igwn.gwalert",
                "uuid": "a0b74124-e33d-49a6-823f-525386c11b52",
                "title": "S240428t - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240428t/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240428t/view/"
                    },
                    "event": {
                        "far": 3.05112e-06,
                        "time": "2024-04-28T04:08:17.315Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1039.0455327714246,
                        "area_90": 3679.463340605756,
                        "duration": 0.06676,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9924518bb5585bab4aefb3b26f205b85",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 54.871292
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-28T04:15:35Z",
                    "superevent_id": "S240428t",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-28T04:15:36.056260Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-28T04:15:36.056283Z",
                "modified": "2024-04-28T04:15:36.063221Z"
            }
        },
        {
            "id": 3968,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7012,
                "topic": "igwn.gwalert",
                "uuid": "65ad6107-88c8-42e9-b335-4393a237b662",
                "title": "S240428t - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240428t/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240428t/view/"
                    },
                    "event": {
                        "far": 3.05112e-06,
                        "time": "2024-04-28T04:08:17.315Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1039.0455327714246,
                        "area_90": 3679.463340605756,
                        "duration": 0.06676,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9924518bb5585bab4aefb3b26f205b85",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 54.871292
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-28T04:10:59Z",
                    "superevent_id": "S240428t",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-28T04:11:00.561791Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-28T04:11:00.561809Z",
                "modified": "2024-04-28T04:11:00.571396Z"
            }
        },
        {
            "id": 3967,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7004,
                "topic": "igwn.gwalert",
                "uuid": "7638410a-0e0b-47a0-b27a-93becdfb0e2e",
                "title": "S240427am - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240427am/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240427am/view/"
                    },
                    "event": {
                        "far": 6.993983e-07,
                        "time": "2024-04-27T06:33:04.694Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 457.415036640086,
                        "area_90": 2211.5387551314248,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.006392773892773892,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "0cac37d17e889189f77e9da8ebc224e9",
                        "classification": {
                            "BBH": 0.639491021,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.360508979
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-27T06:38:13Z",
                    "superevent_id": "S240427am",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-27T06:38:14.530088Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-27T06:38:14.530108Z",
                "modified": "2024-04-27T06:38:14.533677Z"
            }
        },
        {
            "id": 3966,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7003,
                "topic": "igwn.gwalert",
                "uuid": "1d81dda5-21c4-4275-bb80-46354e61e537",
                "title": "S240427am - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240427am/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240427am/view/"
                    },
                    "event": {
                        "far": 6.993983e-07,
                        "time": "2024-04-27T06:33:04.694Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 457.415036640086,
                        "area_90": 2211.5387551314248,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.006392773892773892,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "0cac37d17e889189f77e9da8ebc224e9",
                        "classification": {
                            "BBH": 0.639491021,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.360508979
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-27T06:33:36Z",
                    "superevent_id": "S240427am",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-27T06:33:37.692052Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-27T06:33:37.692070Z",
                "modified": "2024-04-27T06:33:37.697644Z"
            }
        },
        {
            "id": 3965,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7002,
                "topic": "igwn.gwalert",
                "uuid": "89a60c9f-c0e7-4f0b-a843-c24042a42559",
                "title": "S240427ad - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240427ad/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240427ad/view/"
                    },
                    "event": {
                        "far": 2.09842e-05,
                        "time": "2024-04-27T05:53:05.520Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 59.58984880999288,
                        "area_90": 249.27021262771657,
                        "duration": 0.008124,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "20b6f2c3f1f3970694ece4db2d6253fd",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 763.736328
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-27T05:59:36Z",
                    "superevent_id": "S240427ad",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-27T05:59:37.230713Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-27T05:59:37.230731Z",
                "modified": "2024-04-27T05:59:37.234387Z"
            }
        },
        {
            "id": 3964,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 7001,
                "topic": "igwn.gwalert",
                "uuid": "815b8dfb-b092-4cdb-b083-6da32cebb8ab",
                "title": "S240427ad - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240427ad/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240427ad/view/"
                    },
                    "event": {
                        "far": 2.09842e-05,
                        "time": "2024-04-27T05:53:05.520Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 59.58984880999288,
                        "area_90": 249.27021262771657,
                        "duration": 0.008124,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "20b6f2c3f1f3970694ece4db2d6253fd",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 763.736328
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-27T05:55:01Z",
                    "superevent_id": "S240427ad",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-27T05:55:02.500566Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-27T05:55:02.500585Z",
                "modified": "2024-04-27T05:55:02.513152Z"
            }
        },
        {
            "id": 3963,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6999,
                "topic": "igwn.gwalert",
                "uuid": "b3db1ee1-5b70-4938-8fb1-f807b91b116b",
                "title": "S240427l - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240427l/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240427l/view/"
                    },
                    "event": {
                        "far": 1.05435e-05,
                        "time": "2024-04-27T04:01:05.125Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1106.189024388318,
                        "area_90": 4729.419690764926,
                        "duration": 0.024402,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "2a23d384613135e72bdd5bb12b75eaae",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 722.780029
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-27T04:08:20Z",
                    "superevent_id": "S240427l",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-27T04:08:21.958992Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-27T04:08:21.959019Z",
                "modified": "2024-04-27T04:08:21.963078Z"
            }
        },
        {
            "id": 3962,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6998,
                "topic": "igwn.gwalert",
                "uuid": "a605571d-02c3-484f-bdc7-e5f871fa0b88",
                "title": "S240427l - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240427l/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240427l/view/"
                    },
                    "event": {
                        "far": 1.05435e-05,
                        "time": "2024-04-27T04:01:05.125Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1106.189024388318,
                        "area_90": 4729.419690764926,
                        "duration": 0.024402,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "2a23d384613135e72bdd5bb12b75eaae",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 722.780029
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-27T04:03:45Z",
                    "superevent_id": "S240427l",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-27T04:03:46.154406Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-27T04:03:46.154425Z",
                "modified": "2024-04-27T04:03:46.161541Z"
            }
        },
        {
            "id": 3961,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6995,
                "topic": "igwn.gwalert",
                "uuid": "2d182ce4-8c01-4185-8d73-7f6b22179496",
                "title": "S240426ea - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426ea/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426ea/view/"
                    },
                    "event": {
                        "far": 1.78163e-05,
                        "time": "2024-04-26T21:42:00.883Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1010.5095488342449,
                        "area_90": 3434.389596204095,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7e1209e70cb37df3b9931341aacab891",
                        "classification": {
                            "BBH": 0.0015566043913272098,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9984433956086728
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-26T21:50:43Z",
                    "superevent_id": "S240426ea",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T21:50:43.984346Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T21:50:43.984373Z",
                "modified": "2024-04-26T21:50:43.988591Z"
            }
        },
        {
            "id": 3960,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6994,
                "topic": "igwn.gwalert",
                "uuid": "06394bdf-75dd-444a-a7a5-49ea2e91f119",
                "title": "S240426ea - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426ea/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426ea/view/"
                    },
                    "event": {
                        "far": 1.78163e-05,
                        "time": "2024-04-26T21:42:00.883Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1010.5095488342449,
                        "area_90": 3434.389596204095,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7e1209e70cb37df3b9931341aacab891",
                        "classification": {
                            "BBH": 0.0015566043913272098,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9984433956086728
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-26T21:46:07Z",
                    "superevent_id": "S240426ea",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T21:46:08.127088Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T21:46:08.127118Z",
                "modified": "2024-04-26T21:46:08.131183Z"
            }
        },
        {
            "id": 3959,
            "sequence_number": 4,
            "sequence_type": "INITIAL",
            "message": {
                "id": 6985,
                "topic": "igwn.gwalert",
                "uuid": "d57f7219-1c24-457c-bb7b-5acbfa467fee",
                "title": "S240426dl - INITIAL",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426dl/files/cwb.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426dl/view/"
                    },
                    "event": {
                        "far": 5.15328e-08,
                        "time": "2024-04-26T15:18:03.773Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 617.7201228754188,
                        "area_90": 2024.376272249334,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "6c0465abbf9b342f3b8150702375354a",
                        "classification": {
                            "BBH": 0.30076378558368555,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.6992362144163144
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "INITIAL",
                    "sequence_num": 4,
                    "time_created": "2024-04-26T16:05:53Z",
                    "superevent_id": "S240426dl",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T16:05:54.504534Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T16:05:54.504555Z",
                "modified": "2024-04-26T16:05:54.508648Z"
            }
        },
        {
            "id": 3958,
            "sequence_number": 3,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6980,
                "topic": "igwn.gwalert",
                "uuid": "77a78182-f87c-4bc1-bb6b-a13484a66fc6",
                "title": "S240426dl - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426dl/files/cwb.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426dl/view/"
                    },
                    "event": {
                        "far": 5.15328e-08,
                        "time": "2024-04-26T15:18:03.773Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 617.7201228754188,
                        "area_90": 2024.376272249334,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "6c0465abbf9b342f3b8150702375354a",
                        "classification": {
                            "BBH": 0.30076378558368555,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.6992362144163144
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 3,
                    "time_created": "2024-04-26T15:25:05Z",
                    "superevent_id": "S240426dl",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T15:25:05.895669Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T15:25:05.895689Z",
                "modified": "2024-04-26T15:25:05.899458Z"
            }
        },
        {
            "id": 3957,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6979,
                "topic": "igwn.gwalert",
                "uuid": "5e526703-b420-46e2-9d25-742586e0afcd",
                "title": "S240426dl - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426dl/files/cwb.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426dl/view/"
                    },
                    "event": {
                        "far": 5.15328e-08,
                        "time": "2024-04-26T15:18:03.773Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 617.7201228754188,
                        "area_90": 2024.376272249334,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "6c0465abbf9b342f3b8150702375354a",
                        "classification": {
                            "BBH": 0.30076378558368555,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.6992362144163144
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-26T15:20:26Z",
                    "superevent_id": "S240426dl",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T15:20:27.087009Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T15:20:27.087041Z",
                "modified": "2024-04-26T15:20:27.091383Z"
            }
        },
        {
            "id": 3956,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6978,
                "topic": "igwn.gwalert",
                "uuid": "5e139516-906f-4cc4-a09a-1860f5fd3f8f",
                "title": "S240426dl - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426dl/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426dl/view/"
                    },
                    "event": {
                        "far": 7.16890660811181e-06,
                        "time": "2024-04-26T15:18:03.762Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1202.4979701762995,
                        "area_90": 5456.247987517797,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.059442968908486146,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "761ab47c1874922ce983557d26d8b3a6",
                        "classification": {
                            "BBH": 0.20364453972716653,
                            "BNS": 2.166586388188836e-14,
                            "NSBH": 1.4967360093677264e-12,
                            "Terrestrial": 0.796355460271315
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-26T15:18:29Z",
                    "superevent_id": "S240426dl",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T15:18:30.817379Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T15:18:30.817401Z",
                "modified": "2024-04-26T15:18:30.822358Z"
            }
        },
        {
            "id": 3955,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6975,
                "topic": "igwn.gwalert",
                "uuid": "a0411283-b45b-4492-ab2c-3bcbb75e05be",
                "title": "S240426cx - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426cx/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426cx/view/"
                    },
                    "event": {
                        "far": 9.010258e-06,
                        "time": "2024-04-26T13:52:54.899Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 128.35947186448286,
                        "area_90": 488.25907810159634,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.03888772357400966,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "b12ce40746fae2131eb3753e947d7581",
                        "classification": {
                            "BBH": 0.087801056,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.912198944
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-26T13:57:59Z",
                    "superevent_id": "S240426cx",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T13:58:01.434636Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T13:58:01.434656Z",
                "modified": "2024-04-26T13:58:01.438731Z"
            }
        },
        {
            "id": 3954,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6974,
                "topic": "igwn.gwalert",
                "uuid": "27d1eec6-02e7-4932-8119-b61dfc2889aa",
                "title": "S240426cx - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426cx/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426cx/view/"
                    },
                    "event": {
                        "far": 1.602359014742973e-05,
                        "time": "2024-04-26T13:52:54.919Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 193.0375383985684,
                        "area_90": 609.1173630120044,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.13766542576851415,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9132e12027c24b65366bde6fcc5bd438",
                        "classification": {
                            "BBH": 0.07172075228078875,
                            "BNS": 3.064460206209454e-16,
                            "NSBH": 1.9035070408740387e-14,
                            "Terrestrial": 0.9282792477191919
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-26T13:53:18Z",
                    "superevent_id": "S240426cx",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T13:53:19.700054Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T13:53:19.700077Z",
                "modified": "2024-04-26T13:53:19.707140Z"
            }
        },
        {
            "id": 3953,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6972,
                "topic": "igwn.gwalert",
                "uuid": "c82a3c18-de18-4376-bb68-585d9ee4af66",
                "title": "S240426co - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426co/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426co/view/"
                    },
                    "event": {
                        "far": 1.031395e-05,
                        "time": "2024-04-26T12:12:41.670Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 390.32400087601843,
                        "area_90": 1822.9457973986543,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.2648877377723984,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "409f4fc40546e240269ba091171fb723",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.000492088,
                            "NSBH": 0.000676621,
                            "Terrestrial": 0.99883129
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-26T12:17:50Z",
                    "superevent_id": "S240426co",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T12:17:52.357114Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T12:17:52.357133Z",
                "modified": "2024-04-26T12:17:52.362964Z"
            }
        },
        {
            "id": 3952,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6971,
                "topic": "igwn.gwalert",
                "uuid": "cf3ae1e3-7e82-455f-a44d-a6953d604736",
                "title": "S240426co - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426co/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426co/view/"
                    },
                    "event": {
                        "far": 1.031395e-05,
                        "time": "2024-04-26T12:12:41.670Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 390.32400087601843,
                        "area_90": 1822.9457973986543,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.2648877377723984,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "409f4fc40546e240269ba091171fb723",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.000492088,
                            "NSBH": 0.000676621,
                            "Terrestrial": 0.99883129
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-26T12:13:14Z",
                    "superevent_id": "S240426co",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T12:13:15.529613Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T12:13:15.529634Z",
                "modified": "2024-04-26T12:13:15.538855Z"
            }
        },
        {
            "id": 3951,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6970,
                "topic": "igwn.gwalert",
                "uuid": "9f60a864-b19e-4009-8105-92d3656dd649",
                "title": "S240426ci - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426ci/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426ci/view/"
                    },
                    "event": {
                        "far": 1.366796030928221e-06,
                        "time": "2024-04-26T11:43:06.078Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 655.4883369099214,
                        "area_90": 2384.2234226336227,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "733df8c778966807ea161fb0ef415e63",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.02782618018804639,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9721738198119536
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-26T11:48:15Z",
                    "superevent_id": "S240426ci",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T11:48:17.151077Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T11:48:17.151095Z",
                "modified": "2024-04-26T11:48:17.156609Z"
            }
        },
        {
            "id": 3950,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6969,
                "topic": "igwn.gwalert",
                "uuid": "63cb804e-da10-48ff-9d32-633fa02a5431",
                "title": "S240426ci - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426ci/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426ci/view/"
                    },
                    "event": {
                        "far": 1.366796030928221e-06,
                        "time": "2024-04-26T11:43:06.077Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 521.2013536761347,
                        "area_90": 2108.305636770451,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.3311659451659451,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "fac6a93ae8b2d81ef6297d15bfa67287",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.027826180188046355,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9721738198119536
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-26T11:43:38Z",
                    "superevent_id": "S240426ci",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T11:43:39.150588Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T11:43:39.150606Z",
                "modified": "2024-04-26T11:43:39.159751Z"
            }
        },
        {
            "id": 3949,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6967,
                "topic": "igwn.gwalert",
                "uuid": "a258e848-c4a3-4821-90c4-44922cbc7adb",
                "title": "S240426bz - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426bz/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426bz/view/"
                    },
                    "event": {
                        "far": 4.929993e-06,
                        "time": "2024-04-26T10:07:22.583Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 857.9679288171155,
                        "area_90": 3206.9410183518685,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.05603082549634273,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "f02eb288fb84eb8818f37535b21681d5",
                        "classification": {
                            "BBH": 0.161304881,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.838695119
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-26T10:12:32Z",
                    "superevent_id": "S240426bz",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T10:12:33.336865Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T10:12:33.336892Z",
                "modified": "2024-04-26T10:12:33.343541Z"
            }
        },
        {
            "id": 3948,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6966,
                "topic": "igwn.gwalert",
                "uuid": "d1826a1c-3fad-484c-8c49-9b65af9bc3ca",
                "title": "S240426bz - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426bz/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426bz/view/"
                    },
                    "event": {
                        "far": 8.387493035974489e-06,
                        "time": "2024-04-26T10:07:22.586Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1382.3166336627921,
                        "area_90": 4897.2784198071595,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "8e4a6fbe81f253c710f420fb81c75f7b",
                        "classification": {
                            "BBH": 0.16729439545474425,
                            "BNS": 4.9454598977312536e-14,
                            "NSBH": 3.3990313000078468e-12,
                            "Terrestrial": 0.8327056045418073
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-26T10:07:49Z",
                    "superevent_id": "S240426bz",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T10:07:50.677720Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T10:07:50.677741Z",
                "modified": "2024-04-26T10:07:50.686711Z"
            }
        },
        {
            "id": 3947,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6965,
                "topic": "igwn.gwalert",
                "uuid": "0753619c-c995-400e-a644-fd9289c3da94",
                "title": "S240426bs - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426bs/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426bs/view/"
                    },
                    "event": {
                        "far": 5.870649573585529e-06,
                        "time": "2024-04-26T08:58:02.902Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 661.7830392490052,
                        "area_90": 4559.043080787059,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "23e4c0e3ee51f1886b1b85b0974a68bf",
                        "classification": {
                            "BBH": 0.24750886480711262,
                            "BNS": 9.240812502201665e-14,
                            "NSBH": 6.531787902590912e-12,
                            "Terrestrial": 0.7524911351862632
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-26T09:03:22Z",
                    "superevent_id": "S240426bs",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T09:03:23.911783Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T09:03:23.911800Z",
                "modified": "2024-04-26T09:03:23.917450Z"
            }
        },
        {
            "id": 3946,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6964,
                "topic": "igwn.gwalert",
                "uuid": "9c77eb64-7bbf-4966-afee-b9a6d68e30b4",
                "title": "S240426bs - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426bs/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426bs/view/"
                    },
                    "event": {
                        "far": 1.689723972286383e-05,
                        "time": "2024-04-26T08:58:02.905Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1134.5151849141948,
                        "area_90": 5718.107604823681,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "4605bc92d42471f0aeef54b2ff189892",
                        "classification": {
                            "BBH": 0.06715525943844342,
                            "BNS": 9.244827380928868e-15,
                            "NSBH": 2.0768379992005052e-12,
                            "Terrestrial": 0.9328447405594705
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-26T08:58:27Z",
                    "superevent_id": "S240426bs",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T08:58:28.161307Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T08:58:28.161333Z",
                "modified": "2024-04-26T08:58:28.170331Z"
            }
        },
        {
            "id": 3945,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6962,
                "topic": "igwn.gwalert",
                "uuid": "c76f72b8-733a-4ab8-a468-800d2196c8ea",
                "title": "S240426bd - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426bd/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426bd/view/"
                    },
                    "event": {
                        "far": 1.43983e-05,
                        "time": "2024-04-26T06:42:11.904Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 668.9170352333001,
                        "area_90": 3846.482776002778,
                        "duration": 0.004049,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "1c8b3022beb2b031a493e289750e3248",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1600.536133
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-26T06:49:37Z",
                    "superevent_id": "S240426bd",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T06:49:38.879507Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T06:49:38.879524Z",
                "modified": "2024-04-26T06:49:38.885570Z"
            }
        },
        {
            "id": 3944,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6961,
                "topic": "igwn.gwalert",
                "uuid": "115992ce-10eb-4976-9119-c5d308b0a03a",
                "title": "S240426bd - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426bd/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426bd/view/"
                    },
                    "event": {
                        "far": 1.43983e-05,
                        "time": "2024-04-26T06:42:11.904Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 668.9170352333001,
                        "area_90": 3846.482776002778,
                        "duration": 0.004049,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "1c8b3022beb2b031a493e289750e3248",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1600.536133
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-26T06:44:57Z",
                    "superevent_id": "S240426bd",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T06:44:57.287374Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T06:44:57.287396Z",
                "modified": "2024-04-26T06:44:57.296592Z"
            }
        },
        {
            "id": 3943,
            "sequence_number": 3,
            "sequence_type": "INITIAL",
            "message": {
                "id": 6959,
                "topic": "igwn.gwalert",
                "uuid": "8ab1f709-1a81-4624-9961-a48c627e2649",
                "title": "S240426s - INITIAL",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426s/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426s/view/"
                    },
                    "event": {
                        "far": 7.602110021385242e-09,
                        "time": "2024-04-26T03:14:51.975Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1390.499746703601,
                        "area_90": 4388.666470809192,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.029943639291465377,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "a73166d2a0e5c597ab36f2ded7d40dce",
                        "classification": {
                            "BBH": 0.9826443572277064,
                            "BNS": 0.0,
                            "NSBH": 6.275663561630672e-11,
                            "Terrestrial": 0.017355642709536934
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "INITIAL",
                    "sequence_num": 3,
                    "time_created": "2024-04-26T03:45:03Z",
                    "superevent_id": "S240426s",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T03:45:03.863506Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T03:45:03.863524Z",
                "modified": "2024-04-26T03:45:03.869189Z"
            }
        },
        {
            "id": 3942,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6958,
                "topic": "igwn.gwalert",
                "uuid": "a5db06fd-eb34-43e8-87ef-48a076568e06",
                "title": "S240426s - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426s/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426s/view/"
                    },
                    "event": {
                        "far": 7.602110021385242e-09,
                        "time": "2024-04-26T03:14:51.975Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1390.499746703601,
                        "area_90": 4388.666470809192,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.029943639291465377,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "a73166d2a0e5c597ab36f2ded7d40dce",
                        "classification": {
                            "BBH": 0.9826443572904631,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.017355642709536934
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-26T03:20:14Z",
                    "superevent_id": "S240426s",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T03:20:15.771481Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T03:20:15.771499Z",
                "modified": "2024-04-26T03:20:15.777173Z"
            }
        },
        {
            "id": 3941,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6957,
                "topic": "igwn.gwalert",
                "uuid": "14447239-a881-4c5f-96a6-5605a0aff717",
                "title": "S240426s - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426s/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426s/view/"
                    },
                    "event": {
                        "far": 2.223207637589946e-09,
                        "time": "2024-04-26T03:14:51.982Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 996.8710270995635,
                        "area_90": 3831.3754903889767,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "51cdba697622911f62bb86c03517e0ec",
                        "classification": {
                            "BBH": 0.9980935356169508,
                            "BNS": 4.941234359646728e-21,
                            "NSBH": 3.9404811996825475e-19,
                            "Terrestrial": 0.0019064643830492
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-26T03:15:25Z",
                    "superevent_id": "S240426s",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T03:15:26.215831Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T03:15:26.215851Z",
                "modified": "2024-04-26T03:15:26.224258Z"
            }
        },
        {
            "id": 3940,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6954,
                "topic": "igwn.gwalert",
                "uuid": "6bbe9dc0-1e28-4f48-a2d3-e89da5bfd710",
                "title": "S240426a - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426a/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426a/view/"
                    },
                    "event": {
                        "far": 1.467675290002293e-05,
                        "time": "2024-04-26T00:07:23.490Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 457.51994834573736,
                        "area_90": 2396.1833570778817,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.9079005649893415,
                            "HasMassGap": 0.06822519098834888,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "d7315d6b6f6198ed20cff9b877d94738",
                        "classification": {
                            "BBH": 0.00042319528121303313,
                            "BNS": 0.0,
                            "NSBH": 0.002442839781195312,
                            "Terrestrial": 0.9971339649375917
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-26T00:12:34Z",
                    "superevent_id": "S240426a",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T00:12:34.953753Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T00:12:34.953770Z",
                "modified": "2024-04-26T00:12:34.959358Z"
            }
        },
        {
            "id": 3939,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6953,
                "topic": "igwn.gwalert",
                "uuid": "cf4c1622-f182-4e74-8e4a-b93112aa88bd",
                "title": "S240426a - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240426a/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240426a/view/"
                    },
                    "event": {
                        "far": 1.467675290002293e-05,
                        "time": "2024-04-26T00:07:23.490Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 474.3058212499608,
                        "area_90": 2313.9325798471873,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 0.9100715361665372,
                            "HasMassGap": 0.07087058243228841,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "931be6eda6e4522c6a44693134662cb9",
                        "classification": {
                            "BBH": 0.000425233521642494,
                            "BNS": 0.0,
                            "NSBH": 0.002440801540765902,
                            "Terrestrial": 0.9971339649375917
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-26T00:07:56Z",
                    "superevent_id": "S240426a",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-26T00:07:58.244775Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-26T00:07:58.244801Z",
                "modified": "2024-04-26T00:07:58.255548Z"
            }
        },
        {
            "id": 3938,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6952,
                "topic": "igwn.gwalert",
                "uuid": "3c0c03e7-aead-4e15-b6b8-baf88f8da6c2",
                "title": "S240425cg - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240425cg/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240425cg/view/"
                    },
                    "event": {
                        "far": 1.82592e-05,
                        "time": "2024-04-25T22:25:02.910Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 694.0958445896351,
                        "area_90": 2270.289310296207,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.031025641025641024,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d6fb44eba3d8825c5db5f402df266cec",
                        "classification": {
                            "BBH": 0.0014974532807926488,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9985025467192074
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-25T22:31:20Z",
                    "superevent_id": "S240425cg",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-25T22:31:21.820491Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-25T22:31:21.820509Z",
                "modified": "2024-04-25T22:31:21.826413Z"
            }
        },
        {
            "id": 3937,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6951,
                "topic": "igwn.gwalert",
                "uuid": "9b0eba46-0fb9-41a2-be31-b5e8e0c613e9",
                "title": "S240425cg - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240425cg/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240425cg/view/"
                    },
                    "event": {
                        "far": 1.82592e-05,
                        "time": "2024-04-25T22:25:02.910Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 694.0958445896351,
                        "area_90": 2270.289310296207,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.031025641025641024,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d6fb44eba3d8825c5db5f402df266cec",
                        "classification": {
                            "BBH": 0.0014974532807926488,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9985025467192074
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-25T22:26:45Z",
                    "superevent_id": "S240425cg",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-25T22:26:46.174981Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-25T22:26:46.174997Z",
                "modified": "2024-04-25T22:26:46.182927Z"
            }
        },
        {
            "id": 3936,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6950,
                "topic": "igwn.gwalert",
                "uuid": "e3775008-548f-410e-9997-2fd9a88814c7",
                "title": "S240425cb - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240425cb/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240425cb/view/"
                    },
                    "event": {
                        "far": 1.7032e-05,
                        "time": "2024-04-25T21:35:37.616Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1230.4044838795708,
                        "area_90": 5208.656362180503,
                        "duration": 0.108773,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a9a977b177f704004b6dfe213252f8e1",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 215.565063
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-25T21:44:56Z",
                    "superevent_id": "S240425cb",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-25T21:44:56.783204Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-25T21:44:56.783225Z",
                "modified": "2024-04-25T21:44:56.789078Z"
            }
        },
        {
            "id": 3935,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6949,
                "topic": "igwn.gwalert",
                "uuid": "bb8073b5-9cf0-4bde-be53-809b05c16390",
                "title": "S240425cb - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240425cb/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240425cb/view/"
                    },
                    "event": {
                        "far": 1.7032e-05,
                        "time": "2024-04-25T21:35:37.616Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1230.4044838795708,
                        "area_90": 5208.656362180503,
                        "duration": 0.108773,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a9a977b177f704004b6dfe213252f8e1",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 215.565063
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-25T21:40:20Z",
                    "superevent_id": "S240425cb",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-25T21:40:22.123245Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-25T21:40:22.123268Z",
                "modified": "2024-04-25T21:40:22.128877Z"
            }
        },
        {
            "id": 3934,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6948,
                "topic": "igwn.gwalert",
                "uuid": "e15297fb-1075-487e-a311-5eb60e7ccc63",
                "title": "S240425ca - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240425ca/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240425ca/view/"
                    },
                    "event": {
                        "far": 1.240022588370172e-05,
                        "time": "2024-04-25T21:34:20.569Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1216.1364919109808,
                        "area_90": 9829.807172713188,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.8066775044825288,
                            "HasRemnant": 0.25299316331011784
                        },
                        "instruments": [
                            "H1",
                            "L1",
                            "V1"
                        ],
                        "significant": false,
                        "skymap_hash": "a699dc027d490df30f08a31e80f54bc8",
                        "classification": {
                            "BBH": 2.634312361250094e-13,
                            "BNS": 0.0007568895597500087,
                            "NSBH": 0.0054343840705823425,
                            "Terrestrial": 0.9938087263694042
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-25T21:39:24Z",
                    "superevent_id": "S240425ca",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-25T21:39:25.837020Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-25T21:39:25.837044Z",
                "modified": "2024-04-25T21:39:25.843086Z"
            }
        },
        {
            "id": 3933,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6947,
                "topic": "igwn.gwalert",
                "uuid": "c07fe78e-b176-48ad-8072-a79c549b6c01",
                "title": "S240425ca - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240425ca/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240425ca/view/"
                    },
                    "event": {
                        "far": 1.240022588370172e-05,
                        "time": "2024-04-25T21:34:20.569Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1213.1989641527418,
                        "area_90": 10229.310947833705,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.8066775044825288,
                            "HasRemnant": 0.2689800772400955
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "be106ec8ccc486d74682f506c9ce2ad6",
                        "classification": {
                            "BBH": 2.634312361250094e-13,
                            "BNS": 0.0007568895597500087,
                            "NSBH": 0.0054343840705823425,
                            "Terrestrial": 0.9938087263694042
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-25T21:34:43Z",
                    "superevent_id": "S240425ca",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-25T21:34:44.953935Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-25T21:34:44.953964Z",
                "modified": "2024-04-25T21:34:44.964375Z"
            }
        },
        {
            "id": 3932,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6935,
                "topic": "igwn.gwalert",
                "uuid": "188b71c9-de68-4ad5-a0e4-fd14904bd3c8",
                "title": "S240425bp - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240425bp/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240425bp/view/"
                    },
                    "event": {
                        "far": 1.4167e-05,
                        "time": "2024-04-25T08:11:10.207Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1819.5886228178097,
                        "area_90": 6025.289078970968,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7cba1b29d2c06dbf4d4ed07cc6c53ba4",
                        "classification": {
                            "BBH": 0.0018784794582259456,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.998121520541774
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-25T08:17:27Z",
                    "superevent_id": "S240425bp",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-25T08:17:28.222366Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-25T08:17:28.222382Z",
                "modified": "2024-04-25T08:17:28.227820Z"
            }
        },
        {
            "id": 3931,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6934,
                "topic": "igwn.gwalert",
                "uuid": "d501d6a2-f8dd-4c65-8095-2178941c3598",
                "title": "S240425bp - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240425bp/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240425bp/view/"
                    },
                    "event": {
                        "far": 1.4167e-05,
                        "time": "2024-04-25T08:11:10.207Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1819.5886228178097,
                        "area_90": 6025.289078970968,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "7cba1b29d2c06dbf4d4ed07cc6c53ba4",
                        "classification": {
                            "BBH": 0.0018784794582259456,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.998121520541774
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-25T08:12:51Z",
                    "superevent_id": "S240425bp",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-25T08:12:52.704087Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-25T08:12:52.704102Z",
                "modified": "2024-04-25T08:12:52.712077Z"
            }
        },
        {
            "id": 3930,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6933,
                "topic": "igwn.gwalert",
                "uuid": "b9edced7-2cc0-489f-b6b3-a8994ab69df5",
                "title": "S240425be - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240425be/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240425be/view/"
                    },
                    "event": {
                        "far": 8.06488e-06,
                        "time": "2024-04-25T07:36:11.281Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1494.7819821210885,
                        "area_90": 4945.118157584196,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d8e2425af56f916eb6ed21af6c4f3fd8",
                        "classification": {
                            "BBH": 0.00305611439643938,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9969438856035606
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-25T07:43:16Z",
                    "superevent_id": "S240425be",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-25T07:43:16.824193Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-25T07:43:16.824209Z",
                "modified": "2024-04-25T07:43:16.829631Z"
            }
        },
        {
            "id": 3929,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6932,
                "topic": "igwn.gwalert",
                "uuid": "f349575a-413d-4981-bc15-d2790e8933eb",
                "title": "S240425be - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240425be/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240425be/view/"
                    },
                    "event": {
                        "far": 8.06488e-06,
                        "time": "2024-04-25T07:36:11.281Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 1494.7819821210885,
                        "area_90": 4945.118157584196,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d8e2425af56f916eb6ed21af6c4f3fd8",
                        "classification": {
                            "BBH": 0.00305611439643938,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9969438856035606
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-25T07:38:41Z",
                    "superevent_id": "S240425be",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-25T07:38:42.073436Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-25T07:38:42.073455Z",
                "modified": "2024-04-25T07:38:42.086143Z"
            }
        },
        {
            "id": 3928,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6931,
                "topic": "igwn.gwalert",
                "uuid": "7d52a0c2-10ff-49ad-b4b8-59afad0ee66b",
                "title": "S240425ai - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240425ai/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240425ai/view/"
                    },
                    "event": {
                        "far": 8.35711e-06,
                        "time": "2024-04-25T06:06:24.000Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1119.6177227116966,
                        "area_90": 4323.20156648272,
                        "duration": 0.019422,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a0577258cef6531bd3afcc3e6a35f6b8",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1746.318726
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-25T06:12:49Z",
                    "superevent_id": "S240425ai",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-25T06:12:50.525481Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-25T06:12:50.525506Z",
                "modified": "2024-04-25T06:12:50.531103Z"
            }
        },
        {
            "id": 3927,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6930,
                "topic": "igwn.gwalert",
                "uuid": "53aa708d-9ea6-495e-a46a-19994fafe394",
                "title": "S240425ai - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240425ai/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240425ai/view/"
                    },
                    "event": {
                        "far": 8.35711e-06,
                        "time": "2024-04-25T06:06:24.000Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1119.6177227116966,
                        "area_90": 4323.20156648272,
                        "duration": 0.019422,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a0577258cef6531bd3afcc3e6a35f6b8",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1746.318726
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-25T06:08:14Z",
                    "superevent_id": "S240425ai",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-25T06:08:16.042303Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-25T06:08:16.042320Z",
                "modified": "2024-04-25T06:08:16.051652Z"
            }
        },
        {
            "id": 3926,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6929,
                "topic": "igwn.gwalert",
                "uuid": "fa2f0e15-862d-4c57-8ff1-239aaf00edc6",
                "title": "S240425y - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240425y/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240425y/view/"
                    },
                    "event": {
                        "far": 1.12546e-05,
                        "time": "2024-04-25T05:00:13.508Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 2322.325516299299,
                        "area_90": 7201.139475911812,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "3532eaaa717fd0f4f3a84e019fc83da2",
                        "classification": {
                            "BBH": 0.0015670630284292386,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9984329369715708
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2024-04-25T05:06:59Z",
                    "superevent_id": "S240425y",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-25T05:07:00.186318Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-25T05:07:00.186339Z",
                "modified": "2024-04-25T05:07:00.198365Z"
            }
        },
        {
            "id": 3925,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 6928,
                "topic": "igwn.gwalert",
                "uuid": "b320eea4-ea32-4841-af75-81b2c4f5732c",
                "title": "S240425y - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S240425y/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S240425y/view/"
                    },
                    "event": {
                        "far": 1.12546e-05,
                        "time": "2024-04-25T05:00:13.508Z",
                        "group": "CBC",
                        "search": "BBH",
                        "area_50": 2322.325516299299,
                        "area_90": 7201.139475911812,
                        "duration": null,
                        "pipeline": "CWB",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "3532eaaa717fd0f4f3a84e019fc83da2",
                        "classification": {
                            "BBH": 0.0015670630284292386,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9984329369715708
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2024-04-25T05:02:23Z",
                    "superevent_id": "S240425y",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2024-04-25T05:02:24.612963Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2024-04-25T05:02:24.612980Z",
                "modified": "2024-04-25T05:02:24.620710Z"
            }
        }
    ]
}