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=7100&ordering=sequence_number",
"previous": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=6900&ordering=sequence_number",
"results": [
{
"id": 851,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1554,
"topic": "igwn.gwalert",
"uuid": "ff988211-7140-4f6d-9e01-c7280f0a10ab",
"title": "S230726a - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230726a/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230726a/view/"
},
"event": {
"far": 3.832054318795527e-14,
"time": "2023-07-26T00:29:40.060Z",
"group": "CBC",
"search": "AllSky",
"area_50": 8060.576168608048,
"area_90": 24218.657426213435,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"L1"
],
"significant": true,
"skymap_hash": "0adca293d2175c2d095c85f21127595d",
"classification": {
"BBH": 0.9999998589269592,
"BNS": 3.8818043107879957e-25,
"NSBH": 3.038812522528842e-23,
"Terrestrial": 1.4107304080468452e-07
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-26T00:34:47Z",
"superevent_id": "S230726a",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-26T00:34:48.523908Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-26T00:34:48.523927Z",
"modified": "2023-07-26T00:34:48.530629Z"
}
},
{
"id": 11183,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5800267,
"topic": "igwn.gwalert",
"uuid": "bf043ebf-4665-4f14-b581-68c0d17b73a7",
"title": "S251117bq - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S251117bq/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S251117bq/view/"
},
"event": {
"far": 1.323749082932128e-05,
"time": "2025-11-17T10:54:30.991Z",
"group": "CBC",
"search": "AllSky",
"area_50": 511.9691235788119,
"area_90": 1968.9828916653976,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.9211277001873509,
"HasMassGap": 0.08879576646712196,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "e0630db20f96f05fab937371483627e1",
"classification": {
"BBH": 6.278132953732941e-05,
"BNS": 0.0,
"NSBH": 0.0019394685863731408,
"Terrestrial": 0.9979977500840895
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-11-17T10:59:35Z",
"superevent_id": "S251117bq",
"external_coinc": null
},
"message_text": "",
"published": "2025-11-17T10:59:36.859953Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-11-17T10:59:36.859975Z",
"modified": "2025-11-17T10:59:36.877199Z"
}
},
{
"id": 853,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1556,
"topic": "igwn.gwalert",
"uuid": "fda73e65-a9f5-4d8c-8668-87d702443ec9",
"title": "S230726b - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230726b/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230726b/view/"
},
"event": {
"far": 2.875145128200529e-06,
"time": "2023-07-26T01:15:07.790Z",
"group": "CBC",
"search": "AllSky",
"area_50": 390.48136843449544,
"area_90": 3375.6390410393133,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.32685759270869064,
"HasMassGap": 0.25437784261392393,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "a328baea17425a3c0c8f823c3b48c46d",
"classification": {
"BBH": 0.2915235893883321,
"BNS": 0.0,
"NSBH": 0.013677308150390075,
"Terrestrial": 0.6947991024612779
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-26T01:20:05Z",
"superevent_id": "S230726b",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-26T01:20:06.939631Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-26T01:20:06.939660Z",
"modified": "2023-07-26T01:20:06.945967Z"
}
},
{
"id": 6239,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 147877,
"topic": "igwn.gwalert",
"uuid": "f04851b0-987e-4631-af36-f386e67bbe78",
"title": "S241122b - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241122b/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241122b/view/"
},
"event": {
"far": 7.70174e-06,
"time": "2024-11-22T18:25:57.514Z",
"group": "CBC",
"search": "AllSky",
"area_50": 8089.112152545226,
"area_90": 24248.871997441038,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.36752917466171775,
"HasRemnant": 0.087961672902693
},
"instruments": [
"L1"
],
"significant": false,
"skymap_hash": "080e1ac4d25772cc5d175b08d96c8e20",
"classification": {
"BBH": 0.0,
"BNS": 0.000852087,
"NSBH": 0.00068167,
"Terrestrial": 0.998466243
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-22T18:31:04Z",
"superevent_id": "S241122b",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-22T18:31:05.776106Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-22T18:31:05.776130Z",
"modified": "2024-11-22T18:31:05.789232Z"
}
},
{
"id": 856,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1561,
"topic": "igwn.gwalert",
"uuid": "5cbfffeb-592e-40db-b1e6-44817c5fd0f0",
"title": "S230726f - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230726f/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230726f/view/"
},
"event": {
"far": 2.038079406376086e-05,
"time": "2023-07-26T01:53:41.483Z",
"group": "CBC",
"search": "AllSky",
"area_50": 811.5969549191985,
"area_90": 3069.296860537238,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.007345713506882921,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "3cdee355d3916c82b469629966a83b66",
"classification": {
"BBH": 0.06980420322145638,
"BNS": 5.290337438441645e-15,
"NSBH": 3.7636895836411496e-13,
"Terrestrial": 0.930195796778162
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-26T01:58:40Z",
"superevent_id": "S230726f",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-26T01:58:41.352921Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-26T01:58:41.352950Z",
"modified": "2023-07-26T01:58:41.359426Z"
}
},
{
"id": 858,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1563,
"topic": "igwn.gwalert",
"uuid": "67fe1dd5-68e8-4e97-b9da-8bbad838114a",
"title": "S230726k - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230726k/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230726k/view/"
},
"event": {
"far": 1.789593443390913e-05,
"time": "2023-07-26T02:28:26.964Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2402.05841259436,
"area_90": 8006.861375314535,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 7.094344529165021e-05,
"HasMassGap": 0.4542341525588239,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "d60e3824d7a065adfa44dc1e5cf8552e",
"classification": {
"BBH": 0.1847159480053646,
"BNS": 0.0,
"NSBH": 0.0014382043980931708,
"Terrestrial": 0.8138458475965422
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-26T02:33:25Z",
"superevent_id": "S230726k",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-26T02:33:25.862221Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-26T02:33:25.862241Z",
"modified": "2023-07-26T02:33:25.868429Z"
}
},
{
"id": 860,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1565,
"topic": "igwn.gwalert",
"uuid": "c3e07852-1552-406e-91ee-8b080739121b",
"title": "S230726o - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230726o/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230726o/view/"
},
"event": {
"far": 1.53035e-05,
"time": "2023-07-26T03:52:30.695Z",
"group": "Burst",
"search": "BBH",
"area_50": 1186.76121432859,
"area_90": 3724.7851974471587,
"duration": 0.033226,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "631b1f808e793847d04eb1bce1c84baa",
"classification": {},
"skymap_version": 0,
"central_frequency": 35.914936
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-26T03:58:18Z",
"superevent_id": "S230726o",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-26T03:58:18.900605Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-26T03:58:18.900623Z",
"modified": "2023-07-26T03:58:18.906844Z"
}
},
{
"id": 8776,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 246262,
"topic": "igwn.gwalert",
"uuid": "d0bb1858-297d-4df3-b8f1-46f956079aa1",
"title": "S250618ae - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250618ae/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250618ae/view/"
},
"event": {
"far": 2.315162073328275e-06,
"time": "2025-06-18T05:14:12.010Z",
"group": "CBC",
"search": "AllSky",
"area_50": 113.88165648459021,
"area_90": 525.1879984908877,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.09188707373138379,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "fa21b6653ffe2d59250cf2a0c83df8c8",
"classification": {
"BBH": 0.4416054948507416,
"BNS": 1.2635976248774316e-45,
"NSBH": 1.1442588209732741e-43,
"Terrestrial": 0.5583945051492585
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-18T05:19:11Z",
"superevent_id": "S250618ae",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-18T05:19:12.851028Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-18T05:19:12.851048Z",
"modified": "2025-06-18T05:19:12.858605Z"
}
},
{
"id": 862,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1567,
"topic": "igwn.gwalert",
"uuid": "8a6d0eac-f3ea-4880-bddf-7f1989c3841d",
"title": "S230726q - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230726q/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230726q/view/"
},
"event": {
"far": 1.919405639944385e-05,
"time": "2023-07-26T04:06:13.812Z",
"group": "CBC",
"search": "AllSky",
"area_50": 530.0139369508519,
"area_90": 1867.4283605948465,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.014712917913729274,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "43ce0fabbde489da34799534718f1090",
"classification": {
"BBH": 0.10779236465595828,
"BNS": 2.290801522602201e-15,
"NSBH": 1.5517200823795395e-13,
"Terrestrial": 0.8922076353438843
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-26T04:11:14Z",
"superevent_id": "S230726q",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-26T04:11:16.011804Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-26T04:11:16.011822Z",
"modified": "2023-07-26T04:11:16.018142Z"
}
},
{
"id": 6243,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148080,
"topic": "igwn.gwalert",
"uuid": "6bee409c-7480-41d1-8299-9321f2d228ad",
"title": "S241123y - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241123y/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241123y/view/"
},
"event": {
"far": 2.100621e-06,
"time": "2024-11-23T12:39:15.264Z",
"group": "CBC",
"search": "AllSky",
"area_50": 385.865253385834,
"area_90": 2090.680470221017,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.2938505243032885,
"HasRemnant": 0.005536301327962613
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "344691cba0549a125dd01835f15e694b",
"classification": {
"BBH": 0.0,
"BNS": 0.002148284,
"NSBH": 0.00295389,
"Terrestrial": 0.994897826
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-23T12:44:22Z",
"superevent_id": "S241123y",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-23T12:44:23.076310Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-23T12:44:23.076331Z",
"modified": "2024-11-23T12:44:23.082608Z"
}
},
{
"id": 864,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1571,
"topic": "igwn.gwalert",
"uuid": "d08ad3dd-3d4c-4f18-91c5-d8b19acfdec6",
"title": "S230726ag - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230726ag/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230726ag/view/"
},
"event": {
"far": 1.312801396124996e-05,
"time": "2023-07-26T07:08:53.262Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1631.7966697018114,
"area_90": 6342.542076860789,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 6.897505015054467e-05,
"HasMassGap": 0.5011714477944447,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "69125b6873a97dd36c16e734305682b2",
"classification": {
"BBH": 0.20702331630035883,
"BNS": 0.0,
"NSBH": 0.012630558620452837,
"Terrestrial": 0.7803461250791883
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-26T07:13:54Z",
"superevent_id": "S230726ag",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-26T07:13:55.726692Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-26T07:13:55.726722Z",
"modified": "2023-07-26T07:13:55.733248Z"
}
},
{
"id": 10613,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782532,
"topic": "igwn.gwalert",
"uuid": "2bb24e91-67c5-4cbf-a035-f8c5319fe7fb",
"title": "S250927cn - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250927cn/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250927cn/view/"
},
"event": {
"far": 1.356254e-05,
"time": "2025-09-27T16:15:08.840Z",
"group": "CBC",
"search": "AllSky",
"area_50": 823.9765361860632,
"area_90": 3381.514096555791,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.17879489301548127,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "bc6d83c029606a43db95cfe63a9449c3",
"classification": {
"BBH": 0.05553905,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.94446095
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-27T16:20:26Z",
"superevent_id": "S250927cn",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-27T16:20:26.940197Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-27T16:20:26.940215Z",
"modified": "2025-09-27T16:20:26.948221Z"
}
},
{
"id": 866,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1573,
"topic": "igwn.gwalert",
"uuid": "6d068a20-930d-4755-915d-a375503f84a3",
"title": "S230726al - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230726al/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230726al/view/"
},
"event": {
"far": 1.126682673202595e-05,
"time": "2023-07-26T08:16:44.074Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2407.0941744656266,
"area_90": 10084.952440857382,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.6154552108497213,
"HasMassGap": 0.019569327731092434,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "ea91b278cc45537ff36656a5a2ae0ef6",
"classification": {
"BBH": 0.09352820536426389,
"BNS": 0.0,
"NSBH": 0.14290907809738437,
"Terrestrial": 0.7635627165383517
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-26T08:21:43Z",
"superevent_id": "S230726al",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-26T08:21:44.139959Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-26T08:21:44.139990Z",
"modified": "2023-07-26T08:21:44.146156Z"
}
},
{
"id": 6245,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148110,
"topic": "igwn.gwalert",
"uuid": "61a35b54-b8c2-48e5-9102-8385d4335633",
"title": "S241123as - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241123as/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241123as/view/"
},
"event": {
"far": 2.03487e-05,
"time": "2024-11-23T15:24:02.704Z",
"group": "Burst",
"search": "AllSky",
"area_50": 357.5390928599571,
"area_90": 1281.601396237452,
"duration": 0.00982,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "5b34456c874b77c3a14fcdacafb2eb39",
"classification": {},
"skymap_version": 0,
"central_frequency": 1621.883301
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-23T15:30:18Z",
"superevent_id": "S241123as",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-23T15:30:19.814030Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-23T15:30:19.814052Z",
"modified": "2024-11-23T15:30:19.823093Z"
}
},
{
"id": 868,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1575,
"topic": "igwn.gwalert",
"uuid": "f7e58255-8434-4a2a-b5b0-719892a79776",
"title": "S230726ar - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230726ar/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230726ar/view/"
},
"event": {
"far": 1.611618149473108e-05,
"time": "2023-07-26T08:40:50.446Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1305.3114417146674,
"area_90": 9463.875143401117,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.8007322359360801,
"HasMassGap": 0.9345178399829581,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "4c67d870b40beaa2997474b31cf94220",
"classification": {
"BBH": 0.032728258169574045,
"BNS": 7.773518901865963e-18,
"NSBH": 0.0032905335123128592,
"Terrestrial": 0.9639812083181131
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-26T08:45:50Z",
"superevent_id": "S230726ar",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-26T08:45:51.388008Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-26T08:45:51.388030Z",
"modified": "2023-07-26T08:45:51.394162Z"
}
},
{
"id": 8778,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 246537,
"topic": "igwn.gwalert",
"uuid": "f85459fb-eb3f-454b-8a09-c28da7b11b49",
"title": "S250618ao - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250618ao/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250618ao/view/"
},
"event": {
"far": 8.30055387960001e-06,
"time": "2025-06-18T06:16:55.722Z",
"group": "CBC",
"search": "AllSky",
"area_50": 384.8685921821458,
"area_90": 1467.5049386517253,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0022222222222222222,
"HasRemnant": 0.4129323188345689
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "2b0a096a214ff54ac4e7780e8c0b7079",
"classification": {
"BBH": 0.0001675460311078503,
"BNS": 0.0,
"NSBH": 0.002302413293687124,
"Terrestrial": 0.997530040675205
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-18T06:22:00Z",
"superevent_id": "S250618ao",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-18T06:22:00.697789Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-18T06:22:00.697809Z",
"modified": "2025-06-18T06:22:00.706163Z"
}
},
{
"id": 870,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1577,
"topic": "igwn.gwalert",
"uuid": "c375a30f-c340-418f-a2d1-c6e42bff2555",
"title": "S230726at - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230726at/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230726at/view/"
},
"event": {
"far": 1.31413e-05,
"time": "2023-07-26T09:31:29.832Z",
"group": "Burst",
"search": "BBH",
"area_50": 460.7722112209306,
"area_90": 1415.8883794712387,
"duration": 0.006133,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "2ed82ee256ba4a810212b52674c02f27",
"classification": {},
"skymap_version": 0,
"central_frequency": 157.344788
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-26T09:37:14Z",
"superevent_id": "S230726at",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-26T09:37:15.302066Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-26T09:37:15.302087Z",
"modified": "2023-07-26T09:37:15.308138Z"
}
},
{
"id": 6247,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148117,
"topic": "igwn.gwalert",
"uuid": "8c4ab86f-56f4-4593-9ae1-f6a026e3e152",
"title": "S241123av - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241123av/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241123av/view/"
},
"event": {
"far": 1.021494e-05,
"time": "2024-11-23T15:57:04.939Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1680.8953479466645,
"area_90": 7382.426903277425,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.023602339181286548,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f66b02b5ae12f13b964ad880d4876c79",
"classification": {
"BBH": 0.076455731,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.923544269
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-23T16:02:08Z",
"superevent_id": "S241123av",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-23T16:02:09.362823Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-23T16:02:09.362846Z",
"modified": "2024-11-23T16:02:09.375895Z"
}
},
{
"id": 873,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1589,
"topic": "igwn.gwalert",
"uuid": "624fbad9-fa69-435c-a1a0-cd2d4e0a0a8b",
"title": "S230728b - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230728b/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230728b/view/"
},
"event": {
"far": 2.270252933287646e-05,
"time": "2023-07-28T00:16:26.584Z",
"group": "CBC",
"search": "AllSky",
"area_50": 353.8671831621583,
"area_90": 3094.4756698935735,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "b05cd8bdb80fb7498df1028586f1a996",
"classification": {
"BBH": 0.06494524382429355,
"BNS": 3.764133243094051e-15,
"NSBH": 2.646069894769005e-13,
"Terrestrial": 0.9350547561754381
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-28T00:21:36Z",
"superevent_id": "S230728b",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-28T00:21:37.747735Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-28T00:21:37.747756Z",
"modified": "2023-07-28T00:21:37.753741Z"
}
},
{
"id": 10025,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5773548,
"topic": "igwn.gwalert",
"uuid": "a6cb6c31-b94a-4e3f-a751-4570df9784a6",
"title": "S250829aw - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250829aw/view/"
},
"event": {
"far": 1.9651300881542607e-05,
"time": "2025-08-29T04:37:35.811Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7264.925792947861,
"area_90": 22682.750055476998,
"duration": 0.15625,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9298c2813ccd05d89a40cf90bd58f4b7",
"classification": {},
"skymap_version": 0,
"central_frequency": 264.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-08-29T04:42:59Z",
"superevent_id": "S250829aw",
"external_coinc": null
},
"message_text": "",
"published": "2025-08-29T04:43:01.021631Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-08-29T04:43:01.021649Z",
"modified": "2025-08-29T04:43:01.026558Z"
}
},
{
"id": 875,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1591,
"topic": "igwn.gwalert",
"uuid": "57ae21f3-44b7-40fd-b465-c5029668fe79",
"title": "S230728d - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230728d/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230728d/view/"
},
"event": {
"far": 9.74124871909898e-06,
"time": "2023-07-28T00:24:23.727Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1330.0706042483969,
"area_90": 6676.580947654833,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.026260429225946468,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "97f27fe28d15d9accb9a2d07c07ce3cc",
"classification": {
"BBH": 0.19508455751749215,
"BNS": 8.733007588062513e-15,
"NSBH": 6.687457018065712e-13,
"Terrestrial": 0.8049154424818303
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-28T00:29:23Z",
"superevent_id": "S230728d",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-28T00:29:24.742790Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-28T00:29:24.742813Z",
"modified": "2023-07-28T00:29:24.748899Z"
}
},
{
"id": 6249,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148129,
"topic": "igwn.gwalert",
"uuid": "fcae8f5b-d0ae-4fcb-a89a-be2dafb27960",
"title": "S241123ba - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241123ba/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241123ba/view/"
},
"event": {
"far": 5.207772762115401e-06,
"time": "2024-11-23T16:57:44.695Z",
"group": "CBC",
"search": "AllSky",
"area_50": 347.7298483815516,
"area_90": 2318.968341718454,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.018157865123382366,
"HasRemnant": 0.0
},
"instruments": [
"L1",
"V1"
],
"significant": false,
"skymap_hash": "cc24f93c0bd0d51737d396f7cd15488c",
"classification": {
"BBH": 0.2012112641202848,
"BNS": 6.380437516656553e-15,
"NSBH": 4.895929216685495e-13,
"Terrestrial": 0.7987887358792192
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-23T17:02:57Z",
"superevent_id": "S241123ba",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-23T17:02:58.455904Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-23T17:02:58.455938Z",
"modified": "2024-11-23T17:02:58.462744Z"
}
},
{
"id": 877,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1596,
"topic": "igwn.gwalert",
"uuid": "805e814c-dc2c-4e4c-a3aa-9c83979067c4",
"title": "S230728ac - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230728ac/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230728ac/view/"
},
"event": {
"far": 1.881228159040418e-05,
"time": "2023-07-28T05:36:16.021Z",
"group": "CBC",
"search": "AllSky",
"area_50": 563.166035936693,
"area_90": 1865.749773304424,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "cd5792b2d8c4ee47bc644bc9c07887dc",
"classification": {
"BBH": 0.08334905414007275,
"BNS": 9.78238581709683e-16,
"NSBH": 6.434610322109553e-14,
"Terrestrial": 0.916650945859862
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-28T05:41:14Z",
"superevent_id": "S230728ac",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-28T05:41:16.459714Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-28T05:41:16.459735Z",
"modified": "2023-07-28T05:41:16.465873Z"
}
},
{
"id": 8780,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 250631,
"topic": "igwn.gwalert",
"uuid": "a97c0829-9e85-45d2-9c0b-dc0a6ec2f7ea",
"title": "S250618bw - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250618bw/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250618bw/view/"
},
"event": {
"far": 2.267743e-05,
"time": "2025-06-18T22:07:43.820Z",
"group": "CBC",
"search": "AllSky",
"area_50": 5138.155695982765,
"area_90": 15966.72230649724,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.43293435420616544,
"HasRemnant": 0.687142686129222
},
"instruments": [
"L1",
"V1"
],
"significant": false,
"skymap_hash": "c5508ac535e808eab0b89c93b5b98a24",
"classification": {
"BBH": 0.0,
"BNS": 0.000312796,
"NSBH": 0.000250237,
"Terrestrial": 0.999436967
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-18T22:12:48Z",
"superevent_id": "S250618bw",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-18T22:12:49.640186Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-18T22:12:49.640208Z",
"modified": "2025-06-18T22:12:49.660115Z"
}
},
{
"id": 879,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1598,
"topic": "igwn.gwalert",
"uuid": "0ae80950-00a1-4d1f-bbbf-2e3dcedd16fb",
"title": "S230728ak - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230728ak/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230728ak/view/"
},
"event": {
"far": 1.16606242954731e-05,
"time": "2023-07-28T06:34:36.693Z",
"group": "CBC",
"search": "AllSky",
"area_50": 558.1302740654262,
"area_90": 2519.5595229239234,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.9850688881185541,
"HasRemnant": 0.004404138398940275
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "124272da5761cf6d61daab112ef3cefd",
"classification": {
"BBH": 0.0,
"BNS": 0.0284163209751564,
"NSBH": 0.05969406337421812,
"Terrestrial": 0.9118896156506255
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-28T06:39:35Z",
"superevent_id": "S230728ak",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-28T06:39:37.394816Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-28T06:39:37.394837Z",
"modified": "2023-07-28T06:39:37.400576Z"
}
},
{
"id": 6251,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148193,
"topic": "igwn.gwalert",
"uuid": "a56c3f6d-c1c0-4c7e-a25a-837fd0b8a9f3",
"title": "S241123cl - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241123cl/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241123cl/view/"
},
"event": {
"far": 1.936957112922001e-05,
"time": "2024-11-23T23:40:43.562Z",
"group": "CBC",
"search": "AllSky",
"area_50": 15.002373908149607,
"area_90": 75.48397221617934,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "03c92cb776a8491a34bdcbc9c6f6510d",
"classification": {
"BBH": 0.053081960568583,
"BNS": 2.3009653791016114e-90,
"NSBH": 2.6546857188668486e-88,
"Terrestrial": 0.946918039431417
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-23T23:45:51Z",
"superevent_id": "S241123cl",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-23T23:45:51.773628Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-23T23:45:51.773650Z",
"modified": "2024-11-23T23:45:51.781390Z"
}
},
{
"id": 881,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1601,
"topic": "igwn.gwalert",
"uuid": "db0b14f7-9407-464d-9dc1-35b158aa7037",
"title": "S230728ap - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230728ap/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230728ap/view/"
},
"event": {
"far": 1.025821224223146e-07,
"time": "2023-07-28T08:36:28.884Z",
"group": "CBC",
"search": "AllSky",
"area_50": 593.1707837529923,
"area_90": 3494.818738659299,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "8302f29820aaa7df1e5352238f785763",
"classification": {
"BBH": 0.9402063109317683,
"BNS": 1.0260122836667803e-38,
"NSBH": 1.9387341332654792e-32,
"Terrestrial": 0.05979368906823168
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-28T08:41:30Z",
"superevent_id": "S230728ap",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-28T08:41:31.231541Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-28T08:41:31.231563Z",
"modified": "2023-07-28T08:41:31.236532Z"
}
},
{
"id": 10026,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5773549,
"topic": "igwn.gwalert",
"uuid": "2061ec22-b05e-4aef-9261-8908a3143842",
"title": "S250829ax - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250829ax/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250829ax/view/"
},
"event": {
"far": 1.55673e-05,
"time": "2025-08-29T04:40:41.430Z",
"group": "CBC",
"search": "BBH",
"area_50": 1604.7294496437514,
"area_90": 5692.9287954673455,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9b4e457be2b245908801bf8300b7de3d",
"classification": {
"BBH": 0.002280135218653001,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.997719864781347
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-08-29T04:46:48Z",
"superevent_id": "S250829ax",
"external_coinc": null
},
"message_text": "",
"published": "2025-08-29T04:46:48.688691Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-08-29T04:46:48.688709Z",
"modified": "2025-08-29T04:46:48.698160Z"
}
},
{
"id": 883,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1611,
"topic": "igwn.gwalert",
"uuid": "3c029c81-3da4-4718-ba6f-22c5052b1eb6",
"title": "S230728ax - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230728ax/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230728ax/view/"
},
"event": {
"far": 5.97544e-06,
"time": "2023-07-28T20:29:31.469Z",
"group": "Burst",
"search": "BBH",
"area_50": 2737.775870678827,
"area_90": 8907.423456626115,
"duration": 0.067701,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "fd9873a01c3b0eb5c7bd51649b1024ec",
"classification": {},
"skymap_version": 0,
"central_frequency": 20.550705
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-28T20:35:24Z",
"superevent_id": "S230728ax",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-28T20:35:24.977382Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-28T20:35:24.977402Z",
"modified": "2023-07-28T20:35:24.980880Z"
}
},
{
"id": 6253,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148203,
"topic": "igwn.gwalert",
"uuid": "1dc87682-bf1b-487e-9ff8-51aa6c44b37d",
"title": "S241124j - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241124j/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241124j/view/"
},
"event": {
"far": 2.13744e-05,
"time": "2024-11-24T00:52:39.902Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1057.5099929660703,
"area_90": 3850.679244228834,
"duration": 0.024186,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f2588fc03e07064eae01afaf8100e286",
"classification": {},
"skymap_version": 0,
"central_frequency": 1641.393677
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-24T00:58:37Z",
"superevent_id": "S241124j",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-24T00:58:39.127136Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-24T00:58:39.127175Z",
"modified": "2024-11-24T00:58:39.136322Z"
}
},
{
"id": 885,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1613,
"topic": "igwn.gwalert",
"uuid": "a7582717-edcb-43e3-8e84-83de1373c6ab",
"title": "S230729a - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729a/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729a/view/"
},
"event": {
"far": 1.0494e-05,
"time": "2023-07-29T02:49:26.555Z",
"group": "Burst",
"search": "BBH",
"area_50": 48.67903142224767,
"area_90": 636.1845830700646,
"duration": 0.020431,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "350a4e947b4c4f7a0e885c74221aef24",
"classification": {},
"skymap_version": 0,
"central_frequency": 56.576756
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T02:57:34Z",
"superevent_id": "S230729a",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T02:57:35.332597Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T02:57:35.332619Z",
"modified": "2023-07-29T02:57:35.338274Z"
}
},
{
"id": 8782,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 251572,
"topic": "igwn.gwalert",
"uuid": "b3233384-2661-4e9b-9485-262fd3cabed4",
"title": "S250619c - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250619c/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250619c/view/"
},
"event": {
"far": 1.10124e-05,
"time": "2025-06-19T01:44:58.617Z",
"group": "CBC",
"search": "BBH",
"area_50": 981.1342712518542,
"area_90": 3997.555632140788,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "cfc51843f9f3d673dd9d983e6dc373c6",
"classification": {
"BBH": 0.0018714130735699719,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.99812858692643
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-19T01:52:30Z",
"superevent_id": "S250619c",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-19T01:52:31.625294Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-19T01:52:31.625309Z",
"modified": "2025-06-19T01:52:31.630331Z"
}
},
{
"id": 887,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1615,
"topic": "igwn.gwalert",
"uuid": "84935cc5-4ca3-4df5-99cf-1561836e212e",
"title": "S230729c - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729c/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230729c/view/"
},
"event": {
"far": 2.009072521409061e-06,
"time": "2023-07-29T02:57:44.664Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1252.0162952437583,
"area_90": 5961.502761934919,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.5598723981974468,
"HasMassGap": 0.7036993640025925,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "654fa5161ca28e38a8edc21eddde371f",
"classification": {
"BBH": 0.45201566652522845,
"BNS": 2.932292663539182e-17,
"NSBH": 0.005373719613355583,
"Terrestrial": 0.542610613861416
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T03:02:51Z",
"superevent_id": "S230729c",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T03:02:53.047374Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T03:02:53.047395Z",
"modified": "2023-07-29T03:02:53.052964Z"
}
},
{
"id": 6255,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148228,
"topic": "igwn.gwalert",
"uuid": "dc5e302c-73ad-42f7-93de-c19a10bf3232",
"title": "S241124w - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241124w/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241124w/view/"
},
"event": {
"far": 1.277238764202069e-07,
"time": "2024-11-24T02:49:14.353Z",
"group": "CBC",
"search": "AllSky",
"area_50": 867.619805737044,
"area_90": 2979.4924404996427,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "1ca7d80016ac4472f028b2d71ca7c9a9",
"classification": {
"BBH": 0.9127522579079302,
"BNS": 6.574247830493903e-17,
"NSBH": 4.721372304758144e-15,
"Terrestrial": 0.08724774209206487
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-24T02:54:18Z",
"superevent_id": "S241124w",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-24T02:54:19.700965Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-24T02:54:19.701004Z",
"modified": "2024-11-24T02:54:19.712996Z"
}
},
{
"id": 889,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1618,
"topic": "igwn.gwalert",
"uuid": "416c753a-4766-4763-a728-d962a1f90315",
"title": "S230729p - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729p/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729p/view/"
},
"event": {
"far": 2.121827947121346e-06,
"time": "2023-07-29T05:12:23.473Z",
"group": "CBC",
"search": "AllSky",
"area_50": 764.8063341986759,
"area_90": 2791.4906639723413,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.45594227994228,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "b3a06306e66ad424455d6608f38be091",
"classification": {
"BBH": 0.0,
"BNS": 0.40628406452565347,
"NSBH": 0.0,
"Terrestrial": 0.5937159354743465
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T05:17:23Z",
"superevent_id": "S230729p",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T05:17:24.731626Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T05:17:24.731646Z",
"modified": "2023-07-29T05:17:24.737184Z"
}
},
{
"id": 10895,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5786331,
"topic": "igwn.gwalert",
"uuid": "0de436e2-ff9e-4d1e-a553-5f69554b75eb",
"title": "S251009dk - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S251009dk/view/"
},
"event": {
"far": 1.38098193801121e-05,
"time": "2025-10-09T23:09:17.324Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7118.8886986811185,
"area_90": 22326.050256262253,
"duration": 0.15625,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "b29b1e920661eb6570493514280dfd86",
"classification": {},
"skymap_version": 0,
"central_frequency": 120.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-10-09T23:14:42Z",
"superevent_id": "S251009dk",
"external_coinc": null
},
"message_text": "",
"published": "2025-10-09T23:14:43.646002Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-10-09T23:14:43.646023Z",
"modified": "2025-10-09T23:14:43.655250Z"
}
},
{
"id": 891,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1620,
"topic": "igwn.gwalert",
"uuid": "129974e8-7322-4bbf-bc59-e78e68ff3023",
"title": "S230729q - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729q/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729q/view/"
},
"event": {
"far": 8.796531980166534e-06,
"time": "2023-07-29T05:28:44.765Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1423.2321988668364,
"area_90": 5098.708894657839,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.018157865123382366,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c0d495c312eaa69c0592b99ccf7f0dbe",
"classification": {
"BBH": 0.19064457035584403,
"BNS": 2.6434913496231514e-12,
"NSBH": 1.9775604570039772e-10,
"Terrestrial": 0.8093554294437564
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T05:33:43Z",
"superevent_id": "S230729q",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T05:33:44.165996Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T05:33:44.166017Z",
"modified": "2023-07-29T05:33:44.171577Z"
}
},
{
"id": 6257,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148242,
"topic": "igwn.gwalert",
"uuid": "11d99806-6bec-47f5-b6f2-13609ab7d322",
"title": "S241124aj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241124aj/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241124aj/view/"
},
"event": {
"far": 1.12065e-05,
"time": "2024-11-24T03:48:16.390Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1582.9078148682613,
"area_90": 5626.624597495664,
"duration": 0.010632,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "8326b4b6fcb829367569617530076fa8",
"classification": {},
"skymap_version": 0,
"central_frequency": 1427.396362
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-24T03:54:08Z",
"superevent_id": "S241124aj",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-24T03:54:09.207869Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-24T03:54:09.207893Z",
"modified": "2024-11-24T03:54:09.214619Z"
}
},
{
"id": 893,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1622,
"topic": "igwn.gwalert",
"uuid": "09125e7b-d638-41a9-8603-79d7b032fd13",
"title": "S230729t - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729t/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729t/view/"
},
"event": {
"far": 3.18993e-06,
"time": "2023-07-29T06:54:38.466Z",
"group": "Burst",
"search": "AllSky",
"area_50": 2259.588316319764,
"area_90": 8074.0048669314265,
"duration": 0.018608,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "636928ccaf44366a8d481f99a9bd0b97",
"classification": {},
"skymap_version": 0,
"central_frequency": 30.696079
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T07:01:00Z",
"superevent_id": "S230729t",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T07:01:01.493535Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T07:01:01.493557Z",
"modified": "2023-07-29T07:01:01.497430Z"
}
},
{
"id": 8784,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 253097,
"topic": "igwn.gwalert",
"uuid": "be498f3f-0c75-4cf6-af51-3833354f7900",
"title": "S250619s - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250619s/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250619s/view/"
},
"event": {
"far": 1.810702e-05,
"time": "2025-06-19T07:39:26.327Z",
"group": "CBC",
"search": "AllSky",
"area_50": 8079.879922447904,
"area_90": 24238.800473698502,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.33350888175725113,
"HasRemnant": 0.820957246167546
},
"instruments": [
"H1"
],
"significant": false,
"skymap_hash": "53a5301f799929a8f6baef62f13e1de2",
"classification": {
"BBH": 0.0,
"BNS": 0.000666954,
"NSBH": 0.000175514,
"Terrestrial": 0.999157531
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-19T07:44:30Z",
"superevent_id": "S250619s",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-19T07:44:31.456074Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-19T07:44:31.456094Z",
"modified": "2025-06-19T07:44:31.465230Z"
}
},
{
"id": 895,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1624,
"topic": "igwn.gwalert",
"uuid": "f260edf6-92eb-499e-a3c7-6168c2cb1f3f",
"title": "S230729w - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729w/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729w/view/"
},
"event": {
"far": 2.217662195071765e-05,
"time": "2023-07-29T07:53:16.683Z",
"group": "CBC",
"search": "AllSky",
"area_50": 271.8262293427667,
"area_90": 897.4147301420404,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.45594227994228,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "def296616999a6d7cca75f2ccd203e8d",
"classification": {
"BBH": 0.0,
"BNS": 0.001714500507082945,
"NSBH": 0.0,
"Terrestrial": 0.998285499492917
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T07:58:34Z",
"superevent_id": "S230729w",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T07:58:35.959169Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T07:58:35.959190Z",
"modified": "2023-07-29T07:58:35.962700Z"
}
},
{
"id": 6259,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148261,
"topic": "igwn.gwalert",
"uuid": "fe3acccc-6e1f-4a56-a7bd-71133b096010",
"title": "S241124bb - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241124bb/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241124bb/view/"
},
"event": {
"far": 9.19762e-06,
"time": "2024-11-24T05:42:30.332Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1758.3201867173948,
"area_90": 6060.539412069837,
"duration": 0.011369,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "de0c0f7815bb6107472899ae4eca139c",
"classification": {},
"skymap_version": 0,
"central_frequency": 1233.128052
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-24T05:48:35Z",
"superevent_id": "S241124bb",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-24T05:48:35.977062Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-24T05:48:35.977092Z",
"modified": "2024-11-24T05:48:35.983314Z"
}
},
{
"id": 10028,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5773552,
"topic": "igwn.gwalert",
"uuid": "c81eee2a-b4f6-43a6-95f0-c0515be870c1",
"title": "S250829az - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250829az/view/"
},
"event": {
"far": 1.8848059361911664e-05,
"time": "2025-08-29T04:53:46.944Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7280.0330785616625,
"area_90": 22749.05425344868,
"duration": 0.09375,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "29c569eb9ed6bf8b06d2419f50f25c40",
"classification": {},
"skymap_version": 0,
"central_frequency": 312.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-08-29T04:59:31Z",
"superevent_id": "S250829az",
"external_coinc": null
},
"message_text": "",
"published": "2025-08-29T04:59:31.933718Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-08-29T04:59:31.933735Z",
"modified": "2025-08-29T04:59:31.937239Z"
}
},
{
"id": 898,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1627,
"topic": "igwn.gwalert",
"uuid": "7b82dc7e-8ebe-4aa5-8fb8-efaa44eb754c",
"title": "S230729y - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729y/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729y/view/"
},
"event": {
"far": 5.797020548925502e-06,
"time": "2023-07-29T08:23:14.492Z",
"group": "CBC",
"search": "AllSky",
"area_50": 51.878838444615255,
"area_90": 260.3908534267645,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f2e8b5b22ef1120e10f6d76fd4c149d7",
"classification": {
"BBH": 0.12878453863164932,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.8712154613683507
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T08:28:24Z",
"superevent_id": "S230729y",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T08:28:25.922958Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T08:28:25.922978Z",
"modified": "2023-07-29T08:28:25.927093Z"
}
},
{
"id": 899,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1628,
"topic": "igwn.gwalert",
"uuid": "217c4604-caa7-48f2-86a1-f401f805fb5a",
"title": "S230729z - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729z/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729z/view/"
},
"event": {
"far": 3.393122427937458e-09,
"time": "2023-07-29T08:23:17.201Z",
"group": "CBC",
"search": "AllSky",
"area_50": 391.32066207970666,
"area_90": 1427.428667092892,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.05507240955925167,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "69c05d3318fb5d62f793a60eb142cfdc",
"classification": {
"BBH": 0.9970115962123625,
"BNS": 1.686900110238534e-19,
"NSBH": 1.0474726072022376e-17,
"Terrestrial": 0.002988403787637539
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T08:28:30Z",
"superevent_id": "S230729z",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T08:28:30.972821Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T08:28:30.972840Z",
"modified": "2023-07-29T08:28:30.977084Z"
}
},
{
"id": 6261,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148271,
"topic": "igwn.gwalert",
"uuid": "302a43d0-2f0e-45b7-aad4-936b9a30aa6f",
"title": "S241124bn - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241124bn/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241124bn/view/"
},
"event": {
"far": 5.10569e-06,
"time": "2024-11-24T06:47:15.676Z",
"group": "CBC",
"search": "BBH",
"area_50": 564.0053295819042,
"area_90": 1965.6257170845527,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "26ac89bf5fb7cd6b8126a3be0a7588e2",
"classification": {
"BBH": 0.007515928967314789,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9924840710326852
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-24T06:55:56Z",
"superevent_id": "S241124bn",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-24T06:55:57.691948Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-24T06:55:57.691972Z",
"modified": "2024-11-24T06:55:57.698820Z"
}
},
{
"id": 901,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1630,
"topic": "igwn.gwalert",
"uuid": "22b4f199-a686-48f7-a2b2-99ef20220049",
"title": "S230729ae - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729ae/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729ae/view/"
},
"event": {
"far": 1.535458977741655e-05,
"time": "2023-07-29T10:26:04.268Z",
"group": "CBC",
"search": "AllSky",
"area_50": 679.8278526210453,
"area_90": 2686.5789583209457,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.022579365079365078,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "593f5a61495bfc3c76594d296df5b4b3",
"classification": {
"BBH": 0.0,
"BNS": 0.11360381618560782,
"NSBH": 1.6522508001289545e-05,
"Terrestrial": 0.8863796613063909
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T10:31:06Z",
"superevent_id": "S230729ae",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T10:31:07.306972Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T10:31:07.306993Z",
"modified": "2023-07-29T10:31:07.310661Z"
}
},
{
"id": 8786,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 253331,
"topic": "igwn.gwalert",
"uuid": "80aa5bd1-6d6f-4ed9-b58d-df073a270b08",
"title": "S250619y - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250619y/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250619y/view/"
},
"event": {
"far": 9.829172462049513e-06,
"time": "2025-06-19T08:32:52.051Z",
"group": "CBC",
"search": "AllSky",
"area_50": 875.5930953665501,
"area_90": 3019.7785354697785,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.019888637932116194,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "3926660cf67bebbe91624cfc610c9638",
"classification": {
"BBH": 0.11708509267136605,
"BNS": 6.908242677051497e-15,
"NSBH": 4.962870318767764e-13,
"Terrestrial": 0.8829149073281307
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-19T08:37:48Z",
"superevent_id": "S250619y",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-19T08:37:49.163304Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-19T08:37:49.163324Z",
"modified": "2025-06-19T08:37:49.185886Z"
}
},
{
"id": 904,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1634,
"topic": "igwn.gwalert",
"uuid": "5ab99b3a-c9f8-4a8d-a02d-a3c6ec3a4699",
"title": "S230729ak - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729ak/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729ak/view/"
},
"event": {
"far": 3.31314e-06,
"time": "2023-07-29T11:54:38.244Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1087.934387604975,
"area_90": 4150.516898980523,
"duration": 0.036639,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "b3d4e36e2a2f5adc9b98c186e75610a7",
"classification": {},
"skymap_version": 0,
"central_frequency": 61.734062
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T12:02:00Z",
"superevent_id": "S230729ak",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T12:02:01.320380Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T12:02:01.320399Z",
"modified": "2023-07-29T12:02:01.324621Z"
}
},
{
"id": 6263,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148305,
"topic": "igwn.gwalert",
"uuid": "4d7acaba-e6d1-4ca2-ac2a-20f08f33f249",
"title": "S241124ci - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241124ci/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241124ci/view/"
},
"event": {
"far": 1.518477e-05,
"time": "2024-11-24T09:02:10.609Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1266.0744638010456,
"area_90": 4645.490326243808,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.6441422414668423,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "7cd16150852dd9b81eaa41006a58136c",
"classification": {
"BBH": 0.047826707,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.952173293
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-24T09:07:16Z",
"superevent_id": "S241124ci",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-24T09:07:18.113162Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-24T09:07:18.113198Z",
"modified": "2024-11-24T09:07:18.130739Z"
}
},
{
"id": 906,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1636,
"topic": "igwn.gwalert",
"uuid": "8efb0667-afb7-4de8-a080-1edd279147c3",
"title": "S230729ap - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729ap/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729ap/view/"
},
"event": {
"far": 8.24826e-06,
"time": "2023-07-29T13:46:20.316Z",
"group": "Burst",
"search": "BBH",
"area_50": 1496.460569411511,
"area_90": 5979.127928484354,
"duration": 0.033073,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "0ee11689aec52505cf3061208669cb83",
"classification": {},
"skymap_version": 0,
"central_frequency": 31.877329
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T13:52:09Z",
"superevent_id": "S230729ap",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T13:52:10.973041Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T13:52:10.973061Z",
"modified": "2023-07-29T13:52:10.977010Z"
}
},
{
"id": 10615,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782543,
"topic": "igwn.gwalert",
"uuid": "1c3be0ff-7651-4614-83d5-77aba1170341",
"title": "S250927cu - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250927cu/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250927cu/view/"
},
"event": {
"far": 1.806747e-05,
"time": "2025-09-27T17:06:25.468Z",
"group": "CBC",
"search": "AllSky",
"area_50": 195.8701544511561,
"area_90": 1393.2274510505372,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "f35750d9898953c87bdab8d1f072486a",
"classification": {
"BBH": 0.037999683239029365,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9620003167609706
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-27T17:11:43Z",
"superevent_id": "S250927cu",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-27T17:11:43.500225Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-27T17:11:43.500244Z",
"modified": "2025-09-27T17:11:43.507320Z"
}
},
{
"id": 908,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1638,
"topic": "igwn.gwalert",
"uuid": "02072bd6-3f64-4652-8e72-27df40c65282",
"title": "S230729au - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729au/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729au/view/"
},
"event": {
"far": 1.836282353906427e-05,
"time": "2023-07-29T15:13:57.840Z",
"group": "CBC",
"search": "AllSky",
"area_50": 483.48559549445787,
"area_90": 2429.7551028863286,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.5815017487710125,
"HasMassGap": 0.7847053872400501,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "005204ee59fc1a61120a376799c9089a",
"classification": {
"BBH": 0.01980083783892013,
"BNS": 0.0,
"NSBH": 0.05216717295503163,
"Terrestrial": 0.9280319892060482
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T15:18:58Z",
"superevent_id": "S230729au",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T15:18:59.274224Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T15:18:59.274244Z",
"modified": "2023-07-29T15:18:59.278022Z"
}
},
{
"id": 6265,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148307,
"topic": "igwn.gwalert",
"uuid": "813794a2-b39b-48a5-a757-3bd86dabdc25",
"title": "S241124cj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241124cj/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241124cj/view/"
},
"event": {
"far": 2.04261e-05,
"time": "2024-11-24T09:08:36.544Z",
"group": "Burst",
"search": "AllSky",
"area_50": 93.16159461843957,
"area_90": 369.2892038929135,
"duration": 0.007282,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f81d7a383864013b2fb252d5ca59bd57",
"classification": {},
"skymap_version": 0,
"central_frequency": 1019.670532
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-24T09:14:30Z",
"superevent_id": "S241124cj",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-24T09:14:30.827775Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-24T09:14:30.827822Z",
"modified": "2024-11-24T09:14:30.834675Z"
}
},
{
"id": 910,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1641,
"topic": "igwn.gwalert",
"uuid": "103bd66e-53a4-40c6-97de-497c0b22af91",
"title": "S230729ax - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729ax/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729ax/view/"
},
"event": {
"far": 1.899796e-05,
"time": "2023-07-29T16:26:45.206Z",
"group": "CBC",
"search": "AllSky",
"area_50": 530.6434071847603,
"area_90": 2122.5736287390414,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.5213539472443225,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "4c3ec94fddea547a75607e98923ddbad",
"classification": {
"BBH": 0.0,
"BNS": 0.000680539,
"NSBH": 6.0159e-05,
"Terrestrial": 0.999259301
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T16:32:01Z",
"superevent_id": "S230729ax",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T16:32:02.200500Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T16:32:02.200521Z",
"modified": "2023-07-29T16:32:02.205018Z"
}
},
{
"id": 8788,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 254794,
"topic": "igwn.gwalert",
"uuid": "45e92fed-4248-4e25-9cfe-22544a7f491a",
"title": "S250619bh - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250619bh/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250619bh/view/"
},
"event": {
"far": 1.240094197238467e-05,
"time": "2025-06-19T14:12:22.096Z",
"group": "CBC",
"search": "AllSky",
"area_50": 667.6580947654833,
"area_90": 2082.497357180208,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.8412310128866071,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6ee1bf81f121d4cbb98c415d55faf940",
"classification": {
"BBH": 0.0,
"BNS": 0.0005953062542300161,
"NSBH": 0.0014457532351044018,
"Terrestrial": 0.9979589405106656
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-19T14:17:28Z",
"superevent_id": "S250619bh",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-19T14:17:29.068311Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-19T14:17:29.068337Z",
"modified": "2025-06-19T14:17:29.073401Z"
}
},
{
"id": 912,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1643,
"topic": "igwn.gwalert",
"uuid": "10fe4ae1-14c7-4a0e-b308-f78bc6b5cd7e",
"title": "S230729bc - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729bc/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729bc/view/"
},
"event": {
"far": 6.150107007300661e-06,
"time": "2023-07-29T17:11:55.722Z",
"group": "CBC",
"search": "AllSky",
"area_50": 581.0010258974303,
"area_90": 2313.9325798471878,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.4908114635841918,
"HasRemnant": 0.969040205096963
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "eb7f112d34e3a1774105b7d6973aa566",
"classification": {
"BBH": 0.0,
"BNS": 0.0024285358382081282,
"NSBH": 0.0014020123497865934,
"Terrestrial": 0.9961694518120052
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T17:16:59Z",
"superevent_id": "S230729bc",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T17:17:00.685447Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T17:17:00.685466Z",
"modified": "2023-07-29T17:17:00.689081Z"
}
},
{
"id": 6267,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148312,
"topic": "igwn.gwalert",
"uuid": "d008a93c-79a0-49fc-bb53-fb1117dd8c5e",
"title": "S241124co - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241124co/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241124co/view/"
},
"event": {
"far": 1.571623e-05,
"time": "2024-11-24T09:30:54.899Z",
"group": "CBC",
"search": "AllSky",
"area_50": 654.858866676013,
"area_90": 2382.754658754503,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0586038961038961,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "91102dd37e5611fa0b49075294079f1c",
"classification": {
"BBH": 0.00017459,
"BNS": 1.6628e-05,
"NSBH": 0.000598593,
"Terrestrial": 0.99921019
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-24T09:36:02Z",
"superevent_id": "S241124co",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-24T09:36:02.645053Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-24T09:36:02.645093Z",
"modified": "2024-11-24T09:36:02.664021Z"
}
},
{
"id": 914,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1645,
"topic": "igwn.gwalert",
"uuid": "c6f45b7f-97bf-4acb-87db-11928df7bd69",
"title": "S230729be - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729be/files/olib.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729be/view/"
},
"event": {
"far": 1.037057344551089e-06,
"time": "2023-07-29T17:13:36.291Z",
"group": "Burst",
"search": "AllSky",
"area_50": 2471.7197851468873,
"area_90": 13959.131907152128,
"duration": 0.012632780968646298,
"pipeline": "oLIB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "3cce201868931676a7d3e7f4ee6f862b",
"classification": {},
"skymap_version": 0,
"central_frequency": 426.24815449540137
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T17:27:08Z",
"superevent_id": "S230729be",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T17:27:09.281265Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T17:27:09.281285Z",
"modified": "2023-07-29T17:27:09.284959Z"
}
},
{
"id": 10030,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5773578,
"topic": "igwn.gwalert",
"uuid": "e8b17158-b2ec-440c-a0d5-1caeec05aa75",
"title": "S250829bj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250829bj/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250829bj/view/"
},
"event": {
"far": 1.655494922011637e-05,
"time": "2025-08-29T06:27:53.251Z",
"group": "CBC",
"search": "AllSky",
"area_50": 548.058750322892,
"area_90": 1935.4111458569512,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "d0e0fb743b8acdb2b485fd48b0c6ce71",
"classification": {
"BBH": 0.06631317166104309,
"BNS": 2.647770199600753e-15,
"NSBH": 1.7399980836777513e-13,
"Terrestrial": 0.9336868283387803
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-08-29T06:33:00Z",
"superevent_id": "S250829bj",
"external_coinc": null
},
"message_text": "",
"published": "2025-08-29T06:33:02.451554Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-08-29T06:33:02.451572Z",
"modified": "2025-08-29T06:33:02.458648Z"
}
},
{
"id": 916,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1647,
"topic": "igwn.gwalert",
"uuid": "d94c807a-f33b-4949-b44d-307d164e0213",
"title": "S230729bl - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729bl/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729bl/view/"
},
"event": {
"far": 2.280655644426588e-05,
"time": "2023-07-29T17:53:06.242Z",
"group": "CBC",
"search": "AllSky",
"area_50": 7933.842828181161,
"area_90": 27377.75870678827,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.06453060796164245,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "aa12b4631a825c18983c5dfc85d644ee",
"classification": {
"BBH": 0.0,
"BNS": 0.025273633723692512,
"NSBH": 0.1711737383136456,
"Terrestrial": 0.8035526279626619
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T17:58:04Z",
"superevent_id": "S230729bl",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T17:58:05.711022Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T17:58:05.711042Z",
"modified": "2023-07-29T17:58:05.714887Z"
}
},
{
"id": 6269,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148320,
"topic": "igwn.gwalert",
"uuid": "6e07fe27-5a6a-4f5c-a94a-6b4f81b5fb5e",
"title": "S241124cx - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241124cx/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241124cx/view/"
},
"event": {
"far": 2.191609e-05,
"time": "2024-11-24T10:16:29.307Z",
"group": "CBC",
"search": "AllSky",
"area_50": 677.9394419193201,
"area_90": 2447.380269435763,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.3273212980048468,
"HasRemnant": 0.010987319060122593
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "dcb85fc34dac72dd1581ad45b2ed6d3e",
"classification": {
"BBH": 0.0,
"BNS": 0.000310565,
"NSBH": 0.000270492,
"Terrestrial": 0.999418943
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-24T10:21:36Z",
"superevent_id": "S241124cx",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-24T10:21:37.265301Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-24T10:21:37.265322Z",
"modified": "2024-11-24T10:21:37.274086Z"
}
},
{
"id": 918,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1649,
"topic": "igwn.gwalert",
"uuid": "d8c73e78-2081-44e2-9dfe-552beb33999f",
"title": "S230729bv - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729bv/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729bv/view/"
},
"event": {
"far": 1.222921582666459e-05,
"time": "2023-07-29T20:06:20.955Z",
"group": "CBC",
"search": "AllSky",
"area_50": 3113.7794237334297,
"area_90": 16426.655224072958,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.45594227994228,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6e5820921c0ecc01bfea616ac3ebff76",
"classification": {
"BBH": 0.0,
"BNS": 0.20156599349420992,
"NSBH": 0.0,
"Terrestrial": 0.7984340065057901
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T20:11:21Z",
"superevent_id": "S230729bv",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T20:11:21.858193Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T20:11:21.858221Z",
"modified": "2023-07-29T20:11:21.862033Z"
}
},
{
"id": 8790,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 255727,
"topic": "igwn.gwalert",
"uuid": "2832e82a-abaf-4577-b27e-c31d69a36a84",
"title": "S250619bt - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250619bt/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250619bt/view/"
},
"event": {
"far": 1.82757e-05,
"time": "2025-06-19T17:44:14.383Z",
"group": "CBC",
"search": "BBH",
"area_50": 641.2203449413315,
"area_90": 1976.5365344722982,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.015682288725766987,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "7bbeef772ba2f6698c7bda5f34f553b1",
"classification": {
"BBH": 0.0012662047902893825,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9987337952097106
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-19T17:52:49Z",
"superevent_id": "S250619bt",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-19T17:52:50.520562Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-19T17:52:50.520582Z",
"modified": "2025-06-19T17:52:50.542574Z"
}
},
{
"id": 920,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1651,
"topic": "igwn.gwalert",
"uuid": "62e97116-7728-4fef-bd9c-473c5eb96b8c",
"title": "S230729ce - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729ce/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729ce/view/"
},
"event": {
"far": 1.7037e-05,
"time": "2023-07-29T22:02:45.691Z",
"group": "Burst",
"search": "BBH",
"area_50": 1432.674252375462,
"area_90": 4110.860274244295,
"duration": 0.026575,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "72257c4cda76c3945de60d1b3d75183e",
"classification": {},
"skymap_version": 0,
"central_frequency": 39.816708
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T22:11:07Z",
"superevent_id": "S230729ce",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T22:11:08.905473Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T22:11:08.905493Z",
"modified": "2023-07-29T22:11:08.909334Z"
}
},
{
"id": 6271,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148326,
"topic": "igwn.gwalert",
"uuid": "0ddc7ece-0457-47a6-8ef3-08db8ad8bfbc",
"title": "S241124cy - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241124cy/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241124cy/view/"
},
"event": {
"far": 1.061241470026075e-05,
"time": "2024-11-24T10:24:53.681Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2449.4785035487907,
"area_90": 7667.786742649221,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.007396639592291767,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "738721944759bc7cf7bff4736ae44318",
"classification": {
"BBH": 0.0992940508603576,
"BNS": 3.4515230451860527e-20,
"NSBH": 7.241463358119247e-12,
"Terrestrial": 0.900705949132401
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-24T10:29:57Z",
"superevent_id": "S241124cy",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-24T10:29:58.242184Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-24T10:29:58.242228Z",
"modified": "2024-11-24T10:29:58.280777Z"
}
},
{
"id": 922,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1653,
"topic": "igwn.gwalert",
"uuid": "54f458c6-8c0b-4d8f-9c7c-5298641982be",
"title": "S230729cf - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729cf/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729cf/view/"
},
"event": {
"far": 1.392324611515505e-05,
"time": "2023-07-29T22:39:23.000Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1471.281760055176,
"area_90": 6234.273196628548,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.3773631369339375,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6bbd164b91bbc445c7e296a4bff8b34b",
"classification": {
"BBH": 0.0,
"BNS": 0.03987869333208739,
"NSBH": 0.1734610772668599,
"Terrestrial": 0.7866602294010527
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T22:44:23Z",
"superevent_id": "S230729cf",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T22:44:25.747724Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T22:44:25.747744Z",
"modified": "2023-07-29T22:44:25.751588Z"
}
},
{
"id": 11033,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5794230,
"topic": "igwn.gwalert",
"uuid": "5585bdb3-5e60-42cc-bdc5-caa4814053f9",
"title": "S251110ad - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S251110ad/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S251110ad/view/"
},
"event": {
"far": 1.38690994702647e-05,
"time": "2025-11-10T04:14:20.452Z",
"group": "CBC",
"search": "AllSky",
"area_50": 351.40175807935054,
"area_90": 1404.7677386721907,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.39550208941385406,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "1e51ce8d2656498b38e5d1de862f79ae",
"classification": {
"BBH": 0.0,
"BNS": 0.0024922360737000826,
"NSBH": 0.0,
"Terrestrial": 0.9975077639262999
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-11-10T04:19:21Z",
"superevent_id": "S251110ad",
"external_coinc": null
},
"message_text": "",
"published": "2025-11-10T04:19:21.928011Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-11-10T04:19:21.928037Z",
"modified": "2025-11-10T04:19:21.941774Z"
}
},
{
"id": 924,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1655,
"topic": "igwn.gwalert",
"uuid": "52330646-3195-496d-939c-337d2885aa67",
"title": "S230729cj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729cj/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729cj/view/"
},
"event": {
"far": 1.211501556650622e-07,
"time": "2023-07-29T23:13:05.577Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1116.4703715421547,
"area_90": 4983.725665263909,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.8586819220076252,
"HasRemnant": 8.219187339624366e-06
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "2639ce99b8519c6c76ce3bdcf56ba619",
"classification": {
"BBH": 7.21796777013973e-14,
"BNS": 1.0307164512344512e-14,
"NSBH": 0.3874413073258088,
"Terrestrial": 0.6125586926741087
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T23:18:05Z",
"superevent_id": "S230729cj",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T23:18:06.156218Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T23:18:06.156240Z",
"modified": "2023-07-29T23:18:06.160063Z"
}
},
{
"id": 6273,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148347,
"topic": "igwn.gwalert",
"uuid": "aa0f886a-a95d-40e6-aee4-5d484b149b40",
"title": "S241124dk - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241124dk/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241124dk/view/"
},
"event": {
"far": 2.274118785772488e-05,
"time": "2024-11-24T12:12:55.906Z",
"group": "CBC",
"search": "AllSky",
"area_50": 11.612414419288882,
"area_90": 57.439158844139236,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.08520494722861055,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "2921f6268a23a1a6972f07940dc506da",
"classification": {
"BBH": 0.04280243776848374,
"BNS": 5.72044178933833e-18,
"NSBH": 4.0824923359813848e-16,
"Terrestrial": 0.9571975622315159
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-24T12:17:58Z",
"superevent_id": "S241124dk",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-24T12:17:59.781937Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-24T12:17:59.781961Z",
"modified": "2024-11-24T12:17:59.787552Z"
}
},
{
"id": 926,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1657,
"topic": "igwn.gwalert",
"uuid": "466e63a5-3d3b-4f94-8d23-9ee10b435a0d",
"title": "S230730a - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230730a/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230730a/view/"
},
"event": {
"far": 1.140565834797309e-05,
"time": "2023-07-30T00:04:23.111Z",
"group": "CBC",
"search": "AllSky",
"area_50": 938.3302953460848,
"area_90": 3662.677467701533,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "1fb5d270d74ab42bb6874587a880092e",
"classification": {
"BBH": 0.14627060288287747,
"BNS": 1.5268855458761663e-13,
"NSBH": 1.0527256765664067e-10,
"Terrestrial": 0.8537293970116973
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-30T00:09:24Z",
"superevent_id": "S230730a",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-30T00:09:25.247856Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-30T00:09:25.247904Z",
"modified": "2023-07-30T00:09:25.251574Z"
}
},
{
"id": 8792,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 256445,
"topic": "igwn.gwalert",
"uuid": "d911abfb-1e17-41c4-a4de-d7beed022778",
"title": "S250619ca - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250619ca/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250619ca/view/"
},
"event": {
"far": 4.160978880775925e-07,
"time": "2025-06-19T20:33:53.796Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2611.0425302519407,
"area_90": 14643.995521644443,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.012110860154338415,
"HasRemnant": 0.0
},
"instruments": [
"L1",
"V1"
],
"significant": false,
"skymap_hash": "53f6b538f828d30b94c35db4f42326cf",
"classification": {
"BBH": 0.7874650374274655,
"BNS": 5.7783039251665476e-15,
"NSBH": 4.468783822221049e-13,
"Terrestrial": 0.21253496257208182
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-19T20:38:50Z",
"superevent_id": "S250619ca",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-19T20:38:51.142777Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-19T20:38:51.142797Z",
"modified": "2025-06-19T20:38:51.150337Z"
}
},
{
"id": 928,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1659,
"topic": "igwn.gwalert",
"uuid": "51e63617-f032-4b40-bd02-9d2111302f6b",
"title": "S230730r - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230730r/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230730r/view/"
},
"event": {
"far": 1.888550328961427e-05,
"time": "2023-07-30T05:06:06.449Z",
"group": "CBC",
"search": "AllSky",
"area_50": 805.7218994027203,
"area_90": 2953.4743374980962,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "bef4a1d07d55c8916dc98d8e77c2cc2b",
"classification": {
"BBH": 0.08358032465143772,
"BNS": 4.1675807453621586e-14,
"NSBH": 2.821812135913759e-12,
"Terrestrial": 0.9164196753456988
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-30T05:11:08Z",
"superevent_id": "S230730r",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-30T05:11:09.906290Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-30T05:11:09.906313Z",
"modified": "2023-07-30T05:11:09.910019Z"
}
},
{
"id": 6275,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148353,
"topic": "igwn.gwalert",
"uuid": "11503f57-dd98-4036-9427-164d3de1e3c4",
"title": "S241124dl - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241124dl/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241124dl/view/"
},
"event": {
"far": 1.878327863434446e-05,
"time": "2024-11-24T12:32:52.602Z",
"group": "CBC",
"search": "AllSky",
"area_50": 518.054002506593,
"area_90": 2714.275648612914,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "1bfb0298501653501e2cd13c900cf348",
"classification": {
"BBH": 0.049804883928379534,
"BNS": 4.0969200220923927e-16,
"NSBH": 2.6970511889492663e-14,
"Terrestrial": 0.9501951160715931
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-24T12:37:56Z",
"superevent_id": "S241124dl",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-24T12:37:57.482279Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-24T12:37:57.482306Z",
"modified": "2024-11-24T12:37:57.487309Z"
}
},
{
"id": 930,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1662,
"topic": "igwn.gwalert",
"uuid": "86e78f2d-b957-4e12-8113-e68bda8c9c38",
"title": "S230730ap - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230730ap/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230730ap/view/"
},
"event": {
"far": 2.20797e-05,
"time": "2023-07-30T11:44:13.621Z",
"group": "Burst",
"search": "BBH",
"area_50": 2275.325072167474,
"area_90": 6930.886922153817,
"duration": 0.012446,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9af266518f8fda17d5386d11301b1dfb",
"classification": {},
"skymap_version": 0,
"central_frequency": 48.941967
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-30T11:51:36Z",
"superevent_id": "S230730ap",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-30T11:51:36.904015Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-30T11:51:36.904035Z",
"modified": "2023-07-30T11:51:36.907639Z"
}
},
{
"id": 10032,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5773581,
"topic": "igwn.gwalert",
"uuid": "a2713a3c-6dfe-4859-b6f6-0c6801da96f7",
"title": "S250829bo - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250829bo/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250829bo/view/"
},
"event": {
"far": 1.963183741581139e-05,
"time": "2025-08-29T06:47:06.321Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1052.893877917409,
"area_90": 3108.7436618621628,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "dc14dc7ff7ab57f27d049d5cafbab105",
"classification": {
"BBH": 0.06257352129135718,
"BNS": 4.643001746181319e-14,
"NSBH": 3.228930373411224e-12,
"Terrestrial": 0.9374264787053674
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-08-29T06:52:05Z",
"superevent_id": "S250829bo",
"external_coinc": null
},
"message_text": "",
"published": "2025-08-29T06:52:05.825301Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-08-29T06:52:05.825319Z",
"modified": "2025-08-29T06:52:05.832183Z"
}
},
{
"id": 932,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1664,
"topic": "igwn.gwalert",
"uuid": "4ab34172-813a-4567-a649-9d9489c2c5d7",
"title": "S230730au - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230730au/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230730au/view/"
},
"event": {
"far": 3.59787e-06,
"time": "2023-07-30T12:06:21.309Z",
"group": "Burst",
"search": "BBH",
"area_50": 441.46845738107385,
"area_90": 1443.5850697632072,
"duration": 0.006423,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "b4a6bfde14dec531c482e6767df5e29f",
"classification": {},
"skymap_version": 0,
"central_frequency": 165.571732
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-30T12:12:35Z",
"superevent_id": "S230730au",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-30T12:12:36.993611Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-30T12:12:36.993643Z",
"modified": "2023-07-30T12:12:36.997498Z"
}
},
{
"id": 6277,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148425,
"topic": "igwn.gwalert",
"uuid": "b7b07d4a-7976-4ba0-97cf-2848b21da423",
"title": "S241124er - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241124er/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241124er/view/"
},
"event": {
"far": 1.872689005300778e-05,
"time": "2024-11-24T18:56:37.040Z",
"group": "CBC",
"search": "AllSky",
"area_50": 277.17672633098795,
"area_90": 1042.612530763572,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.9557185966090509,
"HasRemnant": 0.925829254007967
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "e1ed3d351ae073019c0cf84196163f50",
"classification": {
"BBH": 0.0,
"BNS": 0.0004064111076475431,
"NSBH": 0.0009317297842246873,
"Terrestrial": 0.9986618591081278
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-24T19:01:37Z",
"superevent_id": "S241124er",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-24T19:01:38.106647Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-24T19:01:38.106679Z",
"modified": "2024-11-24T19:01:38.110451Z"
}
},
{
"id": 934,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1667,
"topic": "igwn.gwalert",
"uuid": "77638857-d064-405f-99f1-d60ccf50bded",
"title": "S230730av - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230730av/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230730av/view/"
},
"event": {
"far": 2.20463662117254e-05,
"time": "2023-07-30T12:33:23.104Z",
"group": "CBC",
"search": "AllSky",
"area_50": 3638.3379519904092,
"area_90": 13586.485528678373,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.911389044341086,
"HasMassGap": 0.092516095016095,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "abf53860e012d2ed95b6da68f7c249ac",
"classification": {
"BBH": 0.04997276271206542,
"BNS": 0.0,
"NSBH": 0.10579754710896867,
"Terrestrial": 0.8442296901789659
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-30T12:38:25Z",
"superevent_id": "S230730av",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-30T12:38:25.676856Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-30T12:38:25.676878Z",
"modified": "2023-07-30T12:38:25.682772Z"
}
},
{
"id": 8794,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 258165,
"topic": "igwn.gwalert",
"uuid": "69b4c5b2-680a-4804-9baa-12570e6b2028",
"title": "S250620f - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250620f/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250620f/view/"
},
"event": {
"far": 1.023229773729794e-05,
"time": "2025-06-20T03:10:49.647Z",
"group": "CBC",
"search": "AllSky",
"area_50": 996.2415568656553,
"area_90": 4898.9570070975815,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "959421f4adf3966e11b2025e8ad638cd",
"classification": {
"BBH": 0.1170840435403767,
"BNS": 2.5059244583134062e-14,
"NSBH": 1.7527583244611344e-12,
"Terrestrial": 0.8829159564578455
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-20T03:15:52Z",
"superevent_id": "S250620f",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-20T03:15:53.532613Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-20T03:15:53.532634Z",
"modified": "2025-06-20T03:15:53.538397Z"
}
},
{
"id": 936,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1670,
"topic": "igwn.gwalert",
"uuid": "02359266-4f36-4c94-b6e7-6a46af39fba8",
"title": "S230730bq - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230730bq/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230730bq/view/"
},
"event": {
"far": 2.15695945371408e-05,
"time": "2023-07-30T17:30:14.891Z",
"group": "CBC",
"search": "AllSky",
"area_50": 3220.369716675247,
"area_90": 9071.925011087505,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.3841607395270577,
"HasMassGap": 0.2962611020840178,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "cd18fdf17729e093f56930469d2e91f0",
"classification": {
"BBH": 0.07218351793455147,
"BNS": 0.0,
"NSBH": 0.010844224676349887,
"Terrestrial": 0.9169722573890986
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-30T17:35:18Z",
"superevent_id": "S230730bq",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-30T17:35:19.869357Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-30T17:35:19.869380Z",
"modified": "2023-07-30T17:35:19.872943Z"
}
},
{
"id": 6279,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148429,
"topic": "igwn.gwalert",
"uuid": "d8c623f9-b04f-40f3-a928-2fb04b03f043",
"title": "S241124ez - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241124ez/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241124ez/view/"
},
"event": {
"far": 1.47559e-05,
"time": "2024-11-24T19:24:30.516Z",
"group": "Burst",
"search": "AllSky",
"area_50": 884.6155020525702,
"area_90": 3342.067295230867,
"duration": 0.01224,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "818b8d89bcaddae13240794cc4c6f64c",
"classification": {},
"skymap_version": 0,
"central_frequency": 569.153809
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-24T19:30:45Z",
"superevent_id": "S241124ez",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-24T19:30:46.872776Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-24T19:30:46.872809Z",
"modified": "2024-11-24T19:30:46.881314Z"
}
},
{
"id": 938,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1672,
"topic": "igwn.gwalert",
"uuid": "28946bd4-2953-47d6-b8d6-d1c4dfc9960e",
"title": "S230730br - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230730br/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230730br/view/"
},
"event": {
"far": 1.970057201106101e-05,
"time": "2023-07-30T17:38:37.596Z",
"group": "CBC",
"search": "AllSky",
"area_50": 3389.907033007903,
"area_90": 15332.216310717598,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "aeea9af3463a59cbea879c7b4f14df29",
"classification": {
"BBH": 0.0,
"BNS": 0.07271965431076956,
"NSBH": 0.007921948730552617,
"Terrestrial": 0.9193583969586778
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-30T17:43:37Z",
"superevent_id": "S230730br",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-30T17:43:38.120786Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-30T17:43:38.120808Z",
"modified": "2023-07-30T17:43:38.124530Z"
}
},
{
"id": 10617,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782548,
"topic": "igwn.gwalert",
"uuid": "85e611d7-f414-41dd-8ff3-1fe059db1dd6",
"title": "S250927cy - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250927cy/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250927cy/view/"
},
"event": {
"far": 5.313349233749549e-08,
"time": "2025-09-27T17:30:41.678Z",
"group": "CBC",
"search": "AllSky",
"area_50": 242.92305443580716,
"area_90": 1550.1753627050252,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": true,
"skymap_hash": "6d65c39256fdd93840e00b1c8f3b5665",
"classification": {
"BBH": 0.9615186932535197,
"BNS": 9.11377121582436e-21,
"NSBH": 6.810545383144578e-19,
"Terrestrial": 0.038481306746480315
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-27T17:35:46Z",
"superevent_id": "S250927cy",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-27T17:35:47.638776Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-27T17:35:47.638794Z",
"modified": "2025-09-27T17:35:47.643415Z"
}
},
{
"id": 940,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1674,
"topic": "igwn.gwalert",
"uuid": "0428442a-f9c7-4f24-a8ba-3740e67af83d",
"title": "S230730bt - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230730bt/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230730bt/view/"
},
"event": {
"far": 2.217231913704146e-05,
"time": "2023-07-30T17:58:17.386Z",
"group": "CBC",
"search": "AllSky",
"area_50": 342.43180724615615,
"area_90": 1528.3537279295351,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "dcbe38e847908bdce771acb58315103f",
"classification": {
"BBH": 0.062239119304607064,
"BNS": 1.6340671405357636e-39,
"NSBH": 2.452576277361763e-37,
"Terrestrial": 0.937760880695393
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-30T18:03:17Z",
"superevent_id": "S230730bt",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-30T18:03:18.083823Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-30T18:03:18.083844Z",
"modified": "2023-07-30T18:03:18.088141Z"
}
},
{
"id": 6281,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148444,
"topic": "igwn.gwalert",
"uuid": "d022fe95-83bd-468c-aa31-1b47dcebf265",
"title": "S241124fi - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241124fi/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241124fi/view/"
},
"event": {
"far": 1.457370751590399e-05,
"time": "2024-11-24T20:35:43.378Z",
"group": "CBC",
"search": "AllSky",
"area_50": 509.24141923187557,
"area_90": 2992.0818451778105,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.012712917913729273,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "8a150919a862c5b33d830a40f36a2ddf",
"classification": {
"BBH": 0.07085144034536371,
"BNS": 5.934762036005501e-16,
"NSBH": 3.911524608359947e-14,
"Terrestrial": 0.9291485596545965
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-24T20:40:42Z",
"superevent_id": "S241124fi",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-24T20:40:43.903327Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-24T20:40:43.903359Z",
"modified": "2024-11-24T20:40:43.908228Z"
}
},
{
"id": 942,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1677,
"topic": "igwn.gwalert",
"uuid": "c50abbf7-22f4-441f-96a1-0503cd1c05fe",
"title": "S230730cd - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230730cd/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230730cd/view/"
},
"event": {
"far": 2.238963300416102e-05,
"time": "2023-07-30T23:58:11.299Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1405.6070323174024,
"area_90": 6369.399473507547,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.026260429225946468,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "d5aad1a6d1d90a2a9487f994145d38f2",
"classification": {
"BBH": 0.08375889566109576,
"BNS": 1.1403127950595415e-13,
"NSBH": 8.638022211572813e-12,
"Terrestrial": 0.9162411043301522
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-31T00:58:42Z",
"superevent_id": "S230730cd",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-31T00:58:43.326263Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-31T00:58:43.326286Z",
"modified": "2023-07-31T00:58:43.332706Z"
}
},
{
"id": 8796,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 259231,
"topic": "igwn.gwalert",
"uuid": "5d0a2145-ad61-44a5-b06f-e1824b8db8f1",
"title": "S250620v - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250620v/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250620v/view/"
},
"event": {
"far": 2.125988671909628e-05,
"time": "2025-06-20T07:18:11.861Z",
"group": "CBC",
"search": "AllSky",
"area_50": 679.1983823871369,
"area_90": 3608.9626744080183,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "221e48918838d6d75e7470813ce0eb22",
"classification": {
"BBH": 0.047884434506631046,
"BNS": 3.39183743516723e-14,
"NSBH": 2.194254261193676e-12,
"Terrestrial": 0.9521155654911407
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-20T07:23:09Z",
"superevent_id": "S250620v",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-20T07:23:10.708950Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-20T07:23:10.708971Z",
"modified": "2025-06-20T07:23:10.717053Z"
}
},
{
"id": 944,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1679,
"topic": "igwn.gwalert",
"uuid": "1eabb708-ed00-43ad-9ff3-daeb1e34877c",
"title": "S230731h - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230731h/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230731h/view/"
},
"event": {
"far": 9.627334708400388e-06,
"time": "2023-07-31T01:44:49.997Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1181.3058056347177,
"area_90": 4378.594947066659,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.026260429225946468,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "d836c0ba690de28101da598ccf0a13e7",
"classification": {
"BBH": 0.17381228507781196,
"BNS": 6.510335267276091e-13,
"NSBH": 4.870558240803351e-11,
"Terrestrial": 0.8261877148728314
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-31T01:49:49Z",
"superevent_id": "S230731h",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-31T01:49:50.812798Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-31T01:49:50.812815Z",
"modified": "2023-07-31T01:49:50.816488Z"
}
},
{
"id": 10034,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5773590,
"topic": "igwn.gwalert",
"uuid": "8560c40e-687e-4814-a531-f095a4659b7e",
"title": "S250829cc - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250829cc/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250829cc/view/"
},
"event": {
"far": 1.45035e-05,
"time": "2025-08-29T07:21:03.523Z",
"group": "CBC",
"search": "BBH",
"area_50": 1202.7077935876023,
"area_90": 4058.824068241203,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.008928487776313863,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "3206a4a99ab08e121a92ff7e69d6cedc",
"classification": {
"BBH": 0.0015109306137832679,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9984890693862167
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-08-29T07:26:50Z",
"superevent_id": "S250829cc",
"external_coinc": null
},
"message_text": "",
"published": "2025-08-29T07:26:51.513404Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-08-29T07:26:51.513420Z",
"modified": "2025-08-29T07:26:51.517567Z"
}
},
{
"id": 946,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1681,
"topic": "igwn.gwalert",
"uuid": "4090e538-3b48-4e0c-8107-f773bcb8d528",
"title": "S230731i - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230731i/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230731i/view/"
},
"event": {
"far": 1.17205e-05,
"time": "2023-07-31T01:51:11.371Z",
"group": "Burst",
"search": "BBH",
"area_50": 1281.601396237452,
"area_90": 4794.0453014461855,
"duration": 0.008763,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "1f2c6d8a648a37f8a77f561f576ff10f",
"classification": {},
"skymap_version": 0,
"central_frequency": 68.981834
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-31T01:56:52Z",
"superevent_id": "S230731i",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-31T01:56:53.370263Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-31T01:56:53.370284Z",
"modified": "2023-07-31T01:56:53.374255Z"
}
},
{
"id": 6284,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148470,
"topic": "igwn.gwalert",
"uuid": "992eae80-a537-404b-b1a4-476c1c06125f",
"title": "S241124gi - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241124gi/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241124gi/view/"
},
"event": {
"far": 1.29621e-05,
"time": "2024-11-24T22:58:55.629Z",
"group": "Burst",
"search": "AllSky",
"area_50": 283.68125208137445,
"area_90": 2241.7533263590267,
"duration": 0.040359,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "ed76604a904096e1c3842da637e34e65",
"classification": {},
"skymap_version": 0,
"central_frequency": 384.747101
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-24T23:07:12Z",
"superevent_id": "S241124gi",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-24T23:07:12.646000Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-24T23:07:12.646030Z",
"modified": "2024-11-24T23:07:12.658996Z"
}
},
{
"id": 948,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1683,
"topic": "igwn.gwalert",
"uuid": "93501078-4997-4980-aafc-1b96ee37684b",
"title": "S230731s - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230731s/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230731s/view/"
},
"event": {
"far": 1.539542717468582e-05,
"time": "2023-07-31T03:39:27.946Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2061.7248394612316,
"area_90": 7627.500647679087,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0875050626723231,
"HasMassGap": 0.04264138160689884,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "aa0b3fa65e68c287e7dbac9b74399aa3",
"classification": {
"BBH": 0.11115053771445282,
"BNS": 1.064666005499107e-18,
"NSBH": 8.482045545459241e-17,
"Terrestrial": 0.8888494622855471
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-31T03:44:37Z",
"superevent_id": "S230731s",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-31T03:44:39.000186Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-31T03:44:39.000204Z",
"modified": "2023-07-31T03:44:39.007242Z"
}
},
{
"id": 6285,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148471,
"topic": "igwn.gwalert",
"uuid": "93d7c805-4812-40fc-b454-7ff78b4c6397",
"title": "S241124gj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241124gj/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241124gj/view/"
},
"event": {
"far": 1.278179640592256e-05,
"time": "2024-11-24T23:04:21.864Z",
"group": "CBC",
"search": "AllSky",
"area_50": 218.42617116620625,
"area_90": 1561.9254737379813,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.03183759310560151,
"HasMassGap": 0.402854880350156,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "47bee0ac3ae9e9ef9d3f787caa68cdbc",
"classification": {
"BBH": 0.08757866521988651,
"BNS": 3.915311609225509e-19,
"NSBH": 0.0002701430105219901,
"Terrestrial": 0.9121511917695915
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-24T23:09:27Z",
"superevent_id": "S241124gj",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-24T23:09:28.187411Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-24T23:09:28.187439Z",
"modified": "2024-11-24T23:09:28.191529Z"
}
},
{
"id": 950,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1685,
"topic": "igwn.gwalert",
"uuid": "ff158ebe-e717-4a9c-82d0-d6700a1ceb4b",
"title": "S230731z - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230731z/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230731z/view/"
},
"event": {
"far": 8.634951e-06,
"time": "2023-07-31T04:41:15.543Z",
"group": "CBC",
"search": "AllSky",
"area_50": 383.81947512563187,
"area_90": 1390.080099880995,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.066626104287869,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "94517e50dd9ef75c2307fa8a22fb7f55",
"classification": {
"BBH": 0.055904643,
"BNS": 0.0,
"NSBH": 4.607e-06,
"Terrestrial": 0.94409075
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-31T04:46:24Z",
"superevent_id": "S230731z",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-31T04:46:25.364050Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-31T04:46:25.364068Z",
"modified": "2023-07-31T04:46:25.368032Z"
}
},
{
"id": 8798,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 259278,
"topic": "igwn.gwalert",
"uuid": "22eea24d-fb2e-46fd-b050-354290bd74dc",
"title": "S250620y - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250620y/view/"
},
"event": {
"far": 1.2746033143118368e-05,
"time": "2025-06-20T07:28:08.568Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7268.282967528707,
"area_90": 22641.62466686165,
"duration": 0.125,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "980e8ed4935ec98ab81804c81c5f457a",
"classification": {},
"skymap_version": 0,
"central_frequency": 96.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-20T07:33:27Z",
"superevent_id": "S250620y",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-20T07:33:28.511020Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-20T07:33:28.511072Z",
"modified": "2025-06-20T07:33:28.518454Z"
}
},
{
"id": 952,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1687,
"topic": "igwn.gwalert",
"uuid": "9356e146-cc4a-4440-9a90-0460efb90321",
"title": "S230731ag - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230731ag/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230731ag/view/"
},
"event": {
"far": 1.27829e-05,
"time": "2023-07-31T10:16:01.560Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1002.1166123821333,
"area_90": 4188.075289603723,
"duration": 0.026973,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "07676497e4bd960e05be6e699c0276ec",
"classification": {},
"skymap_version": 0,
"central_frequency": 560.502197
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-31T10:21:48Z",
"superevent_id": "S230731ag",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-31T10:21:48.734757Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-31T10:21:48.734778Z",
"modified": "2023-07-31T10:21:48.738448Z"
}
},
{
"id": 6287,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148487,
"topic": "igwn.gwalert",
"uuid": "6ccd65a9-d341-479c-988d-0be7536317bd",
"title": "S241125j - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241125j/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241125j/view/"
},
"event": {
"far": 1.65863e-05,
"time": "2024-11-25T00:36:56.986Z",
"group": "Burst",
"search": "AllSky",
"area_50": 612.6843610041518,
"area_90": 2238.3961517781822,
"duration": 0.017547,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "2207084af3409b6db138dc696c227982",
"classification": {},
"skymap_version": 0,
"central_frequency": 1119.286743
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-25T00:43:13Z",
"superevent_id": "S241125j",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-25T00:43:14.171577Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-25T00:43:14.171626Z",
"modified": "2024-11-25T00:43:14.177068Z"
}
},
{
"id": 954,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1689,
"topic": "igwn.gwalert",
"uuid": "0d917faf-1ad5-443e-9757-d58bed44e9e5",
"title": "S230731ai - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230731ai/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230731ai/view/"
},
"event": {
"far": 2.16766529774759e-05,
"time": "2023-07-31T10:27:10.322Z",
"group": "CBC",
"search": "AllSky",
"area_50": 158.52158723925916,
"area_90": 2713.436354967703,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f2b4dd4e837a75107b38459499f52bff",
"classification": {
"BBH": 0.03794103681195798,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9620589631880421
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-31T10:32:09Z",
"superevent_id": "S230731ai",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-31T10:32:11.575829Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-31T10:32:11.575852Z",
"modified": "2023-07-31T10:32:11.579748Z"
}
},
{
"id": 956,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1691,
"topic": "igwn.gwalert",
"uuid": "cd91716a-da52-44e9-a918-1a1bee72a272",
"title": "S230731ak - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230731ak/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230731ak/view/"
},
"event": {
"far": 2.377568405564951e-06,
"time": "2023-07-31T10:41:22.503Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2146.073850804954,
"area_90": 8134.434009386631,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.038534798534798534,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "e6c1e231ab2b1d93462f788b8d51d6b4",
"classification": {
"BBH": 0.4670752249251064,
"BNS": 5.94648781640144e-19,
"NSBH": 4.821880871045735e-17,
"Terrestrial": 0.5329247750748936
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-31T10:46:19Z",
"superevent_id": "S230731ak",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-31T10:46:20.912933Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-31T10:46:20.912952Z",
"modified": "2023-07-31T10:46:20.917288Z"
}
}
]
}