HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 11122,
"next": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=10600&ordering=id",
"previous": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=10400&ordering=id",
"results": [
{
"id": 10534,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781118,
"topic": "igwn.gwalert",
"uuid": "f699a093-5e54-48fa-b8fc-734b21de2bec",
"title": "S250922bj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250922bj/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250922bj/view/"
},
"event": {
"far": 1.003605224656542e-05,
"time": "2025-09-22T11:01:37.917Z",
"group": "CBC",
"search": "AllSky",
"area_50": 651.5016920951683,
"area_90": 2485.9877771154765,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.42838639049289207,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "4ba02a985c31e3bb4251f78e9aa341dd",
"classification": {
"BBH": 0.0,
"BNS": 0.0012552588328891138,
"NSBH": 0.001563848114811098,
"Terrestrial": 0.9971808930522998
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-22T11:06:37Z",
"superevent_id": "S250922bj",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-22T11:06:38.021773Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-22T11:06:38.021792Z",
"modified": "2025-09-22T11:06:38.034343Z"
}
},
{
"id": 10535,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781139,
"topic": "igwn.gwalert",
"uuid": "c93c415c-ebcb-4ad8-9ab8-32fe521c2e14",
"title": "S250922bz - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250922bz/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250922bz/view/"
},
"event": {
"far": 1.126859845039268e-05,
"time": "2025-09-22T13:22:01.907Z",
"group": "CBC",
"search": "AllSky",
"area_50": 535.0496988221189,
"area_90": 3807.035974677854,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "be0160a3d80371d217a6283db8841559",
"classification": {
"BBH": 0.1306309494073691,
"BNS": 1.9644325375230892e-20,
"NSBH": 1.4666535516098015e-18,
"Terrestrial": 0.8693690505926309
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-22T13:23:01Z",
"superevent_id": "S250922bz",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-22T13:23:03.101130Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-22T13:23:03.101145Z",
"modified": "2025-09-22T13:23:03.106505Z"
}
},
{
"id": 10536,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781140,
"topic": "igwn.gwalert",
"uuid": "96f86992-8957-4a09-a06c-c7d5e0585035",
"title": "S250922cd - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250922cd/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250922cd/view/"
},
"event": {
"far": 3.858359832520364e-06,
"time": "2025-09-22T13:25:15.347Z",
"group": "CBC",
"search": "AllSky",
"area_50": 90.80108124128313,
"area_90": 1336.3653065874805,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.5428827330248233,
"HasRemnant": 0.9897995003100982
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "85b884ffd07fdcb4a8d53d73cf814850",
"classification": {
"BBH": 0.0,
"BNS": 0.0018697045501398382,
"NSBH": 0.0008327247123517049,
"Terrestrial": 0.9972975707375085
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-22T13:25:43Z",
"superevent_id": "S250922cd",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-22T13:25:44.499996Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-22T13:25:44.500011Z",
"modified": "2025-09-22T13:25:44.510858Z"
}
},
{
"id": 10537,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781142,
"topic": "igwn.gwalert",
"uuid": "e0407f54-917d-49e1-af02-f97752b39f47",
"title": "S250922bz - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250922bz/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250922bz/view/"
},
"event": {
"far": 1.126859845039268e-05,
"time": "2025-09-22T13:22:01.901Z",
"group": "CBC",
"search": "AllSky",
"area_50": 505.9367005038566,
"area_90": 3446.9790008822633,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "c1b79393ce2ff0997f064718a4c0596e",
"classification": {
"BBH": 0.1306309494073691,
"BNS": 1.9644325375230892e-20,
"NSBH": 1.4666535516098015e-18,
"Terrestrial": 0.8693690505926309
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-22T13:27:38Z",
"superevent_id": "S250922bz",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-22T13:27:38.765101Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-22T13:27:38.765115Z",
"modified": "2025-09-22T13:27:38.774588Z"
}
},
{
"id": 10538,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781143,
"topic": "igwn.gwalert",
"uuid": "8ff4f844-4da6-4ba7-9265-7a2bba5f4a61",
"title": "S250922cd - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250922cd/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250922cd/view/"
},
"event": {
"far": 3.858359832520364e-06,
"time": "2025-09-22T13:25:15.347Z",
"group": "CBC",
"search": "AllSky",
"area_50": 90.80108124128313,
"area_90": 1336.3653065874805,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.5428827330248233,
"HasRemnant": 0.9897995003100982
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "85b884ffd07fdcb4a8d53d73cf814850",
"classification": {
"BBH": 0.0,
"BNS": 0.0018697045501398382,
"NSBH": 0.0008327247123517049,
"Terrestrial": 0.9972975707375085
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-22T13:30:18Z",
"superevent_id": "S250922cd",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-22T13:30:19.355512Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-22T13:30:19.355527Z",
"modified": "2025-09-22T13:30:19.366296Z"
}
},
{
"id": 10539,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781198,
"topic": "igwn.gwalert",
"uuid": "44088d4c-515a-4e86-bd7d-4996ea6e85d4",
"title": "S250922cv - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250922cv/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250922cv/view/"
},
"event": {
"far": 2.30199e-05,
"time": "2025-09-22T19:04:08.170Z",
"group": "Burst",
"search": "AllSky",
"area_50": 650.4525750386545,
"area_90": 4246.825844768505,
"duration": 0.026027,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f70323676e4ab2c74a8b8db643ad552a",
"classification": {},
"skymap_version": 0,
"central_frequency": 1689.0896
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-22T19:09:23Z",
"superevent_id": "S250922cv",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-22T19:09:24.684460Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-22T19:09:24.684479Z",
"modified": "2025-09-22T19:09:24.695659Z"
}
},
{
"id": 10540,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781200,
"topic": "igwn.gwalert",
"uuid": "d5947169-3596-4ece-90e4-8502a722fc6a",
"title": "S250922cv - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250922cv/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250922cv/view/"
},
"event": {
"far": 2.30199e-05,
"time": "2025-09-22T19:04:08.170Z",
"group": "Burst",
"search": "AllSky",
"area_50": 650.4525750386545,
"area_90": 4246.825844768505,
"duration": 0.026027,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f70323676e4ab2c74a8b8db643ad552a",
"classification": {},
"skymap_version": 0,
"central_frequency": 1689.0896
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-22T19:13:57Z",
"superevent_id": "S250922cv",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-22T19:13:57.700151Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-22T19:13:57.700171Z",
"modified": "2025-09-22T19:13:57.706345Z"
}
},
{
"id": 10541,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781217,
"topic": "igwn.gwalert",
"uuid": "4e3a4761-333a-49b8-90f8-2873f75567f9",
"title": "S250922da - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250922da/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250922da/view/"
},
"event": {
"far": 2.300542089852233e-05,
"time": "2025-09-22T20:53:11.173Z",
"group": "CBC",
"search": "AllSky",
"area_50": 603.2423074955263,
"area_90": 2145.234557159743,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "7a32fdd45d5e08db8f0360ebe298affa",
"classification": {
"BBH": 0.04435001678080948,
"BNS": 6.428288663629804e-16,
"NSBH": 4.350752405021512e-14,
"Terrestrial": 0.9556499832191464
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-22T20:53:34Z",
"superevent_id": "S250922da",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-22T20:53:35.821535Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-22T20:53:35.821559Z",
"modified": "2025-09-22T20:53:35.840455Z"
}
},
{
"id": 10542,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781219,
"topic": "igwn.gwalert",
"uuid": "3453234d-c7f7-4cc6-9e6a-c34dfc3b0979",
"title": "S250922da - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250922da/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250922da/view/"
},
"event": {
"far": 2.300542089852233e-05,
"time": "2025-09-22T20:53:11.173Z",
"group": "CBC",
"search": "AllSky",
"area_50": 587.7153750591197,
"area_90": 2021.858391313701,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "93757b3a3540cc047467a340d2b4dc03",
"classification": {
"BBH": 0.04435001678080948,
"BNS": 6.428288663629804e-16,
"NSBH": 4.350752405021512e-14,
"Terrestrial": 0.9556499832191464
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-22T20:58:08Z",
"superevent_id": "S250922da",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-22T20:58:09.763399Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-22T20:58:09.763420Z",
"modified": "2025-09-22T20:58:09.772327Z"
}
},
{
"id": 10543,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781232,
"topic": "igwn.gwalert",
"uuid": "5a2a8782-0c77-47b3-81b6-ce70c460dcb1",
"title": "S250922dg - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250922dg/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250922dg/view/"
},
"event": {
"far": 7.62516e-06,
"time": "2025-09-22T21:33:35.387Z",
"group": "CBC",
"search": "BBH",
"area_50": 596.7377817451397,
"area_90": 2418.0049918533723,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.001610305958132045,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "7604ee3da207993c3b5db438b8aef0a8",
"classification": {
"BBH": 0.003134155732556043,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.996865844267444
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-22T21:34:44Z",
"superevent_id": "S250922dg",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-22T21:34:45.434906Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-22T21:34:45.434921Z",
"modified": "2025-09-22T21:34:45.456948Z"
}
},
{
"id": 10544,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781233,
"topic": "igwn.gwalert",
"uuid": "6cb76b3d-9d9a-4a91-a7b2-2089e7d6e051",
"title": "S250922dg - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250922dg/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250922dg/view/"
},
"event": {
"far": 7.62516e-06,
"time": "2025-09-22T21:33:35.387Z",
"group": "CBC",
"search": "BBH",
"area_50": 596.7377817451397,
"area_90": 2418.0049918533723,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.001610305958132045,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "7604ee3da207993c3b5db438b8aef0a8",
"classification": {
"BBH": 0.003134155732556043,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.996865844267444
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-22T21:39:19Z",
"superevent_id": "S250922dg",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-22T21:39:20.408798Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-22T21:39:20.408815Z",
"modified": "2025-09-22T21:39:20.436762Z"
}
},
{
"id": 10545,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781234,
"topic": "igwn.gwalert",
"uuid": "55709734-31ce-4254-820e-60125def3300",
"title": "S250922dl - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250922dl/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250922dl/view/"
},
"event": {
"far": 2.06262e-05,
"time": "2025-09-22T21:44:46.766Z",
"group": "CBC",
"search": "BBH",
"area_50": 663.8812733620331,
"area_90": 2196.4314695176236,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c82cc82ace104f15d10b5b5172daa3b4",
"classification": {
"BBH": 0.000934192448478921,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9990658075515211
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-22T21:46:15Z",
"superevent_id": "S250922dl",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-22T21:46:16.710231Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-22T21:46:16.710247Z",
"modified": "2025-09-22T21:46:16.722608Z"
}
},
{
"id": 10546,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781238,
"topic": "igwn.gwalert",
"uuid": "4714279c-799a-42dd-9112-1bdce7ff3435",
"title": "S250922dl - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250922dl/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250922dl/view/"
},
"event": {
"far": 2.06262e-05,
"time": "2025-09-22T21:44:46.766Z",
"group": "CBC",
"search": "BBH",
"area_50": 663.8812733620331,
"area_90": 2196.4314695176236,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c82cc82ace104f15d10b5b5172daa3b4",
"classification": {
"BBH": 0.000934192448478921,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9990658075515211
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-22T21:50:50Z",
"superevent_id": "S250922dl",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-22T21:50:50.678908Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-22T21:50:50.678927Z",
"modified": "2025-09-22T21:50:50.691494Z"
}
},
{
"id": 10547,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781334,
"topic": "igwn.gwalert",
"uuid": "ca9939fd-cd7b-4aa2-ad64-a41ceb04ce74",
"title": "S250923ac - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250923ac/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250923ac/view/"
},
"event": {
"far": 1.356600585305849e-05,
"time": "2025-09-23T05:50:20.846Z",
"group": "CBC",
"search": "AllSky",
"area_50": 435.016387483513,
"area_90": 1709.641155295147,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.06805969030969032,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "3915b8c1068359c213e6aa8d796bb4a0",
"classification": {
"BBH": 0.08632276234835982,
"BNS": 1.1712634165995644e-15,
"NSBH": 7.483471972440172e-14,
"Terrestrial": 0.9136772376515642
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-23T05:50:48Z",
"superevent_id": "S250923ac",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-23T05:50:49.906919Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-23T05:50:49.906936Z",
"modified": "2025-09-23T05:50:49.930213Z"
}
},
{
"id": 10548,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781336,
"topic": "igwn.gwalert",
"uuid": "e466d9f8-5e79-4d24-88fa-ad98ef998e81",
"title": "S250923ac - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250923ac/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250923ac/view/"
},
"event": {
"far": 9.001718023809464e-06,
"time": "2025-09-23T05:50:20.847Z",
"group": "CBC",
"search": "AllSky",
"area_50": 420.90576307340024,
"area_90": 1423.0223754555336,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.06959815184815185,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "eed3052c0fd38df006fb0fd2998c087c",
"classification": {
"BBH": 0.1540122476308658,
"BNS": 9.773423883958855e-16,
"NSBH": 6.491790377624231e-14,
"Terrestrial": 0.8459877523690683
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-23T05:55:24Z",
"superevent_id": "S250923ac",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-23T05:55:25.825473Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-23T05:55:25.825489Z",
"modified": "2025-09-23T05:55:25.838337Z"
}
},
{
"id": 10549,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781444,
"topic": "igwn.gwalert",
"uuid": "ce6443b4-8dad-41ed-a7e3-3bcf93418510",
"title": "S250923bm - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250923bm/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250923bm/view/"
},
"event": {
"far": 2.16732e-05,
"time": "2025-09-23T11:10:08.831Z",
"group": "Burst",
"search": "AllSky",
"area_50": 92.3223009732284,
"area_90": 678.149265330623,
"duration": 0.056295,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "ddeafbff75aa039ee390ad36aa65596c",
"classification": {},
"skymap_version": 0,
"central_frequency": 307.085999
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-23T11:14:43Z",
"superevent_id": "S250923bm",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-23T11:14:44.211837Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-23T11:14:44.211857Z",
"modified": "2025-09-23T11:14:44.229996Z"
}
},
{
"id": 10550,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781445,
"topic": "igwn.gwalert",
"uuid": "79add1c7-7249-45cd-9c46-7abd62c08da5",
"title": "S250923bm - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250923bm/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250923bm/view/"
},
"event": {
"far": 2.16732e-05,
"time": "2025-09-23T11:10:08.831Z",
"group": "Burst",
"search": "AllSky",
"area_50": 92.3223009732284,
"area_90": 678.149265330623,
"duration": 0.056295,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "ddeafbff75aa039ee390ad36aa65596c",
"classification": {},
"skymap_version": 0,
"central_frequency": 307.085999
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-23T11:19:17Z",
"superevent_id": "S250923bm",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-23T11:19:18.122886Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-23T11:19:18.122906Z",
"modified": "2025-09-23T11:19:18.128829Z"
}
},
{
"id": 10551,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781508,
"topic": "igwn.gwalert",
"uuid": "3c56a155-5437-4ba9-b026-ebe68f6e47bc",
"title": "S250923cj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250923cj/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250923cj/view/"
},
"event": {
"far": 9.691534e-06,
"time": "2025-09-23T14:21:55.511Z",
"group": "CBC",
"search": "AllSky",
"area_50": 8070.647692350582,
"area_90": 24228.72894995597,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.07633617162564531,
"HasRemnant": 0.0
},
"instruments": [
"H1"
],
"significant": false,
"skymap_hash": "1460fb78b92679f0493cf56dc00884bf",
"classification": {
"BBH": 0.00019633,
"BNS": 9.0614e-05,
"NSBH": 0.000951443,
"Terrestrial": 0.998761613
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-23T14:22:39Z",
"superevent_id": "S250923cj",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-23T14:22:40.665273Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-23T14:22:40.665287Z",
"modified": "2025-09-23T14:22:40.673929Z"
}
},
{
"id": 10552,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781509,
"topic": "igwn.gwalert",
"uuid": "cf00a23a-e309-4c2e-8b26-9650ff4a779b",
"title": "S250923cj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250923cj/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250923cj/view/"
},
"event": {
"far": 9.691534e-06,
"time": "2025-09-23T14:21:55.511Z",
"group": "CBC",
"search": "AllSky",
"area_50": 8071.4869859957935,
"area_90": 24228.72894995597,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.09314536853095204,
"HasRemnant": 0.0
},
"instruments": [
"H1"
],
"significant": false,
"skymap_hash": "0bb322bf1d1278e6512ecabc47782cd6",
"classification": {
"BBH": 0.0,
"BNS": 0.0,
"NSBH": 0.00123838675714405,
"Terrestrial": 0.998761613242856
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-23T14:27:14Z",
"superevent_id": "S250923cj",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-23T14:27:15.482158Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-23T14:27:15.482181Z",
"modified": "2025-09-23T14:27:15.491718Z"
}
},
{
"id": 10553,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781650,
"topic": "igwn.gwalert",
"uuid": "67411009-dfff-4484-a907-7b63da09fec3",
"title": "S250924r - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250924r/view/"
},
"event": {
"far": 7.944708398727676e-06,
"time": "2025-09-24T03:34:37.685Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7039.155802386057,
"area_90": 22724.71473773756,
"duration": 0.21875,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9b72e96457b5ab9bfd31aa675b6eff70",
"classification": {},
"skymap_version": 0,
"central_frequency": 104.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-24T03:35:25Z",
"superevent_id": "S250924r",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T03:35:25.844394Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T03:35:25.844418Z",
"modified": "2025-09-24T03:35:25.856986Z"
}
},
{
"id": 10554,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781655,
"topic": "igwn.gwalert",
"uuid": "aa54f7e4-7ea6-4915-8b3c-4da3bceca8d7",
"title": "S250924r - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250924r/view/"
},
"event": {
"far": 7.944708398727676e-06,
"time": "2025-09-24T03:34:37.685Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7039.155802386057,
"area_90": 22724.71473773756,
"duration": 0.21875,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9b72e96457b5ab9bfd31aa675b6eff70",
"classification": {},
"skymap_version": 0,
"central_frequency": 104.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-24T03:39:59Z",
"superevent_id": "S250924r",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T03:40:00.255791Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T03:40:00.255818Z",
"modified": "2025-09-24T03:40:00.275594Z"
}
},
{
"id": 10555,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781660,
"topic": "igwn.gwalert",
"uuid": "f9264636-1cda-4d58-9a1f-9c5565af2dcd",
"title": "S250924u - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924u/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250924u/view/"
},
"event": {
"far": 1.025618e-05,
"time": "2025-09-24T04:04:01.573Z",
"group": "CBC",
"search": "AllSky",
"area_50": 876.2225656004583,
"area_90": 2894.723782333315,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.48701734870886026,
"HasRemnant": 0.010357440683582127
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "e293bd639515cdf4dac4759614d35c9c",
"classification": {
"BBH": 0.0,
"BNS": 0.00103102,
"NSBH": 0.000405043,
"Terrestrial": 0.998563937
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-24T04:04:50Z",
"superevent_id": "S250924u",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T04:04:50.767639Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T04:04:50.767726Z",
"modified": "2025-09-24T04:04:50.787459Z"
}
},
{
"id": 10556,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781662,
"topic": "igwn.gwalert",
"uuid": "082ca15a-4ab9-4965-a90d-89c67683e02f",
"title": "S250924u - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924u/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250924u/view/"
},
"event": {
"far": 1.025618e-05,
"time": "2025-09-24T04:04:01.573Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1234.6009521056267,
"area_90": 3525.0333098869014,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.29650795726005885,
"HasRemnant": 0.0008576751071377226
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "df5f3fbfcf4519e13d3234b1f1305f67",
"classification": {
"BBH": 0.0,
"BNS": 0.0001309689531319377,
"NSBH": 0.0013050941294550982,
"Terrestrial": 0.998563936917413
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-24T04:09:26Z",
"superevent_id": "S250924u",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T04:09:26.891827Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T04:09:26.891851Z",
"modified": "2025-09-24T04:09:26.900193Z"
}
},
{
"id": 10557,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781671,
"topic": "igwn.gwalert",
"uuid": "04f1ca56-7bfc-4326-9272-d1e0e9e3ac43",
"title": "S250924aj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924aj/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250924aj/view/"
},
"event": {
"far": 5.310707359106041e-06,
"time": "2025-09-24T05:13:15.308Z",
"group": "CBC",
"search": "AllSky",
"area_50": 437.11462159654087,
"area_90": 1880.8570589182252,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.08758209081777432,
"HasMassGap": 0.28552607350906184,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "b144acd8b6e51976e74da9c62f8f4c97",
"classification": {
"BBH": 0.04691820573913174,
"BNS": 0.0,
"NSBH": 0.05121520740888066,
"Terrestrial": 0.9018665868519876
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-24T05:13:44Z",
"superevent_id": "S250924aj",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T05:13:45.489492Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T05:13:45.489516Z",
"modified": "2025-09-24T05:13:45.501668Z"
}
},
{
"id": 10558,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781673,
"topic": "igwn.gwalert",
"uuid": "21f9ba5c-7fe9-44af-92b8-43dfeae912ba",
"title": "S250924aj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924aj/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250924aj/view/"
},
"event": {
"far": 5.310707359106041e-06,
"time": "2025-09-24T05:13:15.308Z",
"group": "CBC",
"search": "AllSky",
"area_50": 452.43173062164476,
"area_90": 1880.0177652730138,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.018682355325082976,
"HasMassGap": 0.22975217442960588,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "341fd4703366c69450c8f447cd7220fd",
"classification": {
"BBH": 0.04720738108062616,
"BNS": 0.0,
"NSBH": 0.05092603206738623,
"Terrestrial": 0.9018665868519876
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-24T05:18:19Z",
"superevent_id": "S250924aj",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T05:18:19.430052Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T05:18:19.430076Z",
"modified": "2025-09-24T05:18:19.436181Z"
}
},
{
"id": 10559,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781686,
"topic": "igwn.gwalert",
"uuid": "971f6c86-d724-4a0e-a39b-062b4b9447e3",
"title": "S250924ap - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924ap/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250924ap/view/"
},
"event": {
"far": 4.932375e-06,
"time": "2025-09-24T06:46:26.311Z",
"group": "CBC",
"search": "AllSky",
"area_50": 490.3048563617986,
"area_90": 1570.528233601396,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.10553472208619269,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c88a0d0037666b41192d39c2ac07c106",
"classification": {
"BBH": 0.000278677,
"BNS": 0.000325123,
"NSBH": 0.001718509,
"Terrestrial": 0.99767769
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-24T06:47:07Z",
"superevent_id": "S250924ap",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T06:47:08.800323Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T06:47:08.800349Z",
"modified": "2025-09-24T06:47:08.815264Z"
}
},
{
"id": 10560,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781687,
"topic": "igwn.gwalert",
"uuid": "e0e0375b-35bf-4795-a32f-18d8dde8eba1",
"title": "S250924ap - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924ap/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250924ap/view/"
},
"event": {
"far": 4.932375e-06,
"time": "2025-09-24T06:46:26.311Z",
"group": "CBC",
"search": "AllSky",
"area_50": 490.3048563617986,
"area_90": 1570.528233601396,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.10553472208619269,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c88a0d0037666b41192d39c2ac07c106",
"classification": {
"BBH": 0.000278677,
"BNS": 0.000325123,
"NSBH": 0.001718509,
"Terrestrial": 0.99767769
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-24T06:51:44Z",
"superevent_id": "S250924ap",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T06:51:45.876093Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T06:51:45.876119Z",
"modified": "2025-09-24T06:51:45.892660Z"
}
},
{
"id": 10561,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781706,
"topic": "igwn.gwalert",
"uuid": "9a449701-b43d-4c08-bb92-70427c1a4bf4",
"title": "S250924ay - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924ay/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250924ay/view/"
},
"event": {
"far": 1.852976e-05,
"time": "2025-09-24T07:57:15.335Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1241.9447715012243,
"area_90": 4079.806409371483,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.010833333333333332,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "0f9d9003a3325bb258434101c78c0ea8",
"classification": {
"BBH": 0.000278139,
"BNS": 0.0,
"NSBH": 0.000400248,
"Terrestrial": 0.999321613
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-24T07:57:54Z",
"superevent_id": "S250924ay",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T07:57:55.329862Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T07:57:55.329887Z",
"modified": "2025-09-24T07:57:55.342995Z"
}
},
{
"id": 10562,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781707,
"topic": "igwn.gwalert",
"uuid": "c30e5e40-ff2a-4f09-b62d-92ab91a4c2c9",
"title": "S250924ay - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924ay/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250924ay/view/"
},
"event": {
"far": 1.852976e-05,
"time": "2025-09-24T07:57:15.335Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1288.1059219878384,
"area_90": 3990.841282979099,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "739052db6358aaf59726add6fe8bc593",
"classification": {
"BBH": 0.0,
"BNS": 0.0,
"NSBH": 0.000678386943745002,
"Terrestrial": 0.999321613056255
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-24T08:02:29Z",
"superevent_id": "S250924ay",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T08:02:30.468449Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T08:02:30.468472Z",
"modified": "2025-09-24T08:02:30.475342Z"
}
},
{
"id": 10563,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781774,
"topic": "igwn.gwalert",
"uuid": "26b3ad6c-4007-4c37-b815-53b9dc80e91c",
"title": "S250924bf - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924bf/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250924bf/view/"
},
"event": {
"far": 1.05333e-05,
"time": "2025-09-24T09:03:12.332Z",
"group": "Burst",
"search": "AllSky",
"area_50": 770.4715663038514,
"area_90": 3002.9926625655553,
"duration": 0.045514,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "51977b221bd4bbdf2e3d4d9ff05faab7",
"classification": {},
"skymap_version": 0,
"central_frequency": 60.749531
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-24T09:06:55Z",
"superevent_id": "S250924bf",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T09:06:56.560378Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T09:06:56.560403Z",
"modified": "2025-09-24T09:06:56.577326Z"
}
},
{
"id": 10564,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781777,
"topic": "igwn.gwalert",
"uuid": "5c3250d4-1140-4ace-9844-851bd038c59f",
"title": "S250924bf - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924bf/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250924bf/view/"
},
"event": {
"far": 1.05333e-05,
"time": "2025-09-24T09:03:12.332Z",
"group": "Burst",
"search": "AllSky",
"area_50": 770.4715663038514,
"area_90": 3002.9926625655553,
"duration": 0.045514,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "51977b221bd4bbdf2e3d4d9ff05faab7",
"classification": {},
"skymap_version": 0,
"central_frequency": 60.749531
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-24T09:11:29Z",
"superevent_id": "S250924bf",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T09:11:30.941643Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T09:11:30.941668Z",
"modified": "2025-09-24T09:11:30.958567Z"
}
},
{
"id": 10565,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781817,
"topic": "igwn.gwalert",
"uuid": "0a784bac-d983-4e4b-8bed-2a3954ac21d3",
"title": "S250924bs - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924bs/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250924bs/view/"
},
"event": {
"far": 4.889759566140128e-06,
"time": "2025-09-24T11:57:35.228Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1279.2933387131216,
"area_90": 5524.230772779901,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.7814099036103711,
"HasRemnant": 0.052921124127335316
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6e8085e0c03b3a0d07c6c2bd801b36ad",
"classification": {
"BBH": 0.0,
"BNS": 0.0016512434610172256,
"NSBH": 0.006114829779144818,
"Terrestrial": 0.9922339267598379
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-24T11:58:01Z",
"superevent_id": "S250924bs",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T11:58:01.641770Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T11:58:01.641794Z",
"modified": "2025-09-24T11:58:01.657598Z"
}
},
{
"id": 10566,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781819,
"topic": "igwn.gwalert",
"uuid": "d9da4497-8136-4a3d-b007-1da21e61236b",
"title": "S250924bs - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924bs/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250924bs/view/"
},
"event": {
"far": 4.889759566140128e-06,
"time": "2025-09-24T11:57:35.228Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1279.2933387131216,
"area_90": 5524.230772779901,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.7814099036103711,
"HasRemnant": 0.052921124127335316
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6e8085e0c03b3a0d07c6c2bd801b36ad",
"classification": {
"BBH": 0.0,
"BNS": 0.0016512434610172256,
"NSBH": 0.006114829779144818,
"Terrestrial": 0.9922339267598379
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-24T12:02:36Z",
"superevent_id": "S250924bs",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T12:02:37.360069Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T12:02:37.360102Z",
"modified": "2025-09-24T12:02:37.366272Z"
}
},
{
"id": 10567,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781837,
"topic": "igwn.gwalert",
"uuid": "5a35f7bf-76bf-4c9f-9c3d-87c0d6d82615",
"title": "S250924cb - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250924cb/view/"
},
"event": {
"far": 7.036331581513745e-07,
"time": "2025-09-24T13:24:11.088Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2394.5047697874593,
"area_90": 10383.740978552556,
"duration": null,
"pipeline": "aframe",
"properties": {
"HasNS": 0.0,
"HasSSM": 0.0,
"HasMassGap": 0.002301380828497098,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "d2982d535b22d71d6248e3c554378f32",
"classification": {
"BBH": 0.17991651248544258,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.8200834875145574
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-24T13:24:31Z",
"superevent_id": "S250924cb",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T13:24:32.672840Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T13:24:32.672876Z",
"modified": "2025-09-24T13:24:32.698131Z"
}
},
{
"id": 10568,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781839,
"topic": "igwn.gwalert",
"uuid": "ffab80cf-8649-4896-9fb6-9a7d7052f5fc",
"title": "S250924cb - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250924cb/view/"
},
"event": {
"far": 7.036331581513745e-07,
"time": "2025-09-24T13:24:11.088Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2638.7392205439087,
"area_90": 11394.250527386803,
"duration": null,
"pipeline": "aframe",
"properties": {
"HasNS": 0.0,
"HasSSM": 0.0,
"HasMassGap": 0.002301380828497098,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "e4de8f1d950027418a74f275da095af4",
"classification": {
"BBH": 0.17991651248544258,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.8200834875145574
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-24T13:29:05Z",
"superevent_id": "S250924cb",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T13:29:07.215129Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T13:29:07.215152Z",
"modified": "2025-09-24T13:29:07.230640Z"
}
},
{
"id": 10569,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781884,
"topic": "igwn.gwalert",
"uuid": "4caa7974-de33-4230-90ef-3ff58fdc6042",
"title": "S250924cp - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924cp/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250924cp/view/"
},
"event": {
"far": 1.13182e-05,
"time": "2025-09-24T16:08:34.504Z",
"group": "CBC",
"search": "BBH",
"area_50": 486.7903142224768,
"area_90": 2094.0376448018615,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.003581395576459595,
"HasMassGap": 0.06271925716623426,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "d2c429b47ca1b68c1f7ef00acc7a4b4f",
"classification": {
"BBH": 0.0021986753071879805,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.997801324692812
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-24T16:09:59Z",
"superevent_id": "S250924cp",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T16:09:59.754323Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T16:09:59.754342Z",
"modified": "2025-09-24T16:09:59.769828Z"
}
},
{
"id": 10570,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781885,
"topic": "igwn.gwalert",
"uuid": "38c49ba9-cff6-41df-9afd-5282722b3688",
"title": "S250924cp - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924cp/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250924cp/view/"
},
"event": {
"far": 1.13182e-05,
"time": "2025-09-24T16:08:34.504Z",
"group": "CBC",
"search": "BBH",
"area_50": 486.7903142224768,
"area_90": 2094.0376448018615,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.003581395576459595,
"HasMassGap": 0.06271925716623426,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "d2c429b47ca1b68c1f7ef00acc7a4b4f",
"classification": {
"BBH": 0.0021986753071879805,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.997801324692812
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-24T16:14:33Z",
"superevent_id": "S250924cp",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T16:14:34.032245Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T16:14:34.032267Z",
"modified": "2025-09-24T16:14:34.046460Z"
}
},
{
"id": 10571,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781889,
"topic": "igwn.gwalert",
"uuid": "fd63a28c-1b90-4369-9f03-929cafaaf0ee",
"title": "S250924ct - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924ct/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250924ct/view/"
},
"event": {
"far": 1.826423915594035e-05,
"time": "2025-09-24T16:45:18.494Z",
"group": "CBC",
"search": "AllSky",
"area_50": 763.9670405534647,
"area_90": 2960.188686659786,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "7f411c960409ac1ff1d8f72485198256",
"classification": {
"BBH": 0.07175368446875924,
"BNS": 9.791040505983715e-14,
"NSBH": 6.864184100690753e-12,
"Terrestrial": 0.9282463155242786
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-24T16:45:40Z",
"superevent_id": "S250924ct",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T16:45:41.271055Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T16:45:41.271076Z",
"modified": "2025-09-24T16:45:41.279518Z"
}
},
{
"id": 10572,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781892,
"topic": "igwn.gwalert",
"uuid": "1d3fcf8c-46b3-4835-8906-0edea9351e50",
"title": "S250924ct - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924ct/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250924ct/view/"
},
"event": {
"far": 1.797145473994282e-05,
"time": "2025-09-24T16:45:18.490Z",
"group": "CBC",
"search": "AllSky",
"area_50": 760.8196893839229,
"area_90": 3059.2253367947037,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "5c334b9a9249ca110e90bf6893df150f",
"classification": {
"BBH": 0.06140408763274598,
"BNS": 6.953764046622371e-14,
"NSBH": 4.87006025934736e-12,
"Terrestrial": 0.9385959123623144
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-24T16:50:15Z",
"superevent_id": "S250924ct",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T16:50:16.370174Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T16:50:16.370199Z",
"modified": "2025-09-24T16:50:16.373908Z"
}
},
{
"id": 10573,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781897,
"topic": "igwn.gwalert",
"uuid": "38c10f35-1d64-4249-9871-140ad197b1d5",
"title": "S250924cy - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924cy/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250924cy/view/"
},
"event": {
"far": 1.635150514683121e-05,
"time": "2025-09-24T17:15:06.935Z",
"group": "CBC",
"search": "AllSky",
"area_50": 635.1354660135506,
"area_90": 2347.504325655634,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.990437129764384,
"HasRemnant": 0.06167445424813352
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "1774bfc89a867a0dfdd9dd85c6dbeb84",
"classification": {
"BBH": 0.0,
"BNS": 0.0006180664648416683,
"NSBH": 0.001035713858450658,
"Terrestrial": 0.9983462196767077
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-24T17:15:37Z",
"superevent_id": "S250924cy",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T17:15:38.086049Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T17:15:38.086068Z",
"modified": "2025-09-24T17:15:38.097034Z"
}
},
{
"id": 10574,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781898,
"topic": "igwn.gwalert",
"uuid": "ca598b2d-a3fe-4e7d-9fd6-46f2329db054",
"title": "S250924cy - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924cy/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250924cy/view/"
},
"event": {
"far": 1.635150514683121e-05,
"time": "2025-09-24T17:15:06.936Z",
"group": "CBC",
"search": "AllSky",
"area_50": 552.4650419602507,
"area_90": 1916.1073920170943,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.980511654522778,
"HasRemnant": 0.053613102366323266
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f6b762b17703e404cf37bc30a92e0948",
"classification": {
"BBH": 0.0,
"BNS": 0.0006161475721903428,
"NSBH": 0.0010376327511019883,
"Terrestrial": 0.9983462196767077
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-24T17:20:12Z",
"superevent_id": "S250924cy",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T17:20:13.546428Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T17:20:13.546457Z",
"modified": "2025-09-24T17:20:13.564760Z"
}
},
{
"id": 10575,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781909,
"topic": "igwn.gwalert",
"uuid": "6a7bf402-f96b-4435-90b8-4a87d09d9450",
"title": "S250924di - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924di/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250924di/view/"
},
"event": {
"far": 6.423782968070529e-07,
"time": "2025-09-24T18:33:21.601Z",
"group": "CBC",
"search": "AllSky",
"area_50": 438.79320888696327,
"area_90": 1833.8566147863999,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.14933355533355536,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9114c50a2f98253335803f714e6468c8",
"classification": {
"BBH": 0.0,
"BNS": 0.025414805146259125,
"NSBH": 0.011604681851107993,
"Terrestrial": 0.9629805130026329
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-24T18:33:45Z",
"superevent_id": "S250924di",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T18:33:46.887641Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T18:33:46.887660Z",
"modified": "2025-09-24T18:33:46.909521Z"
}
},
{
"id": 10576,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781912,
"topic": "igwn.gwalert",
"uuid": "daa2a12f-90a7-4087-a556-4f55b572ed8a",
"title": "S250924di - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250924di/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250924di/view/"
},
"event": {
"far": 6.423782968070529e-07,
"time": "2025-09-24T18:33:21.602Z",
"group": "CBC",
"search": "AllSky",
"area_50": 361.94538449731573,
"area_90": 1484.2908115559487,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.2133564850182497,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "8ef87cd61b4237369739ee6fed62f1c9",
"classification": {
"BBH": 0.0,
"BNS": 0.025327544790758324,
"NSBH": 0.011691942206608802,
"Terrestrial": 0.9629805130026329
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-24T18:38:21Z",
"superevent_id": "S250924di",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-24T18:38:22.145501Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-24T18:38:22.145521Z",
"modified": "2025-09-24T18:38:22.153455Z"
}
},
{
"id": 10577,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781992,
"topic": "igwn.gwalert",
"uuid": "c35e30a5-76b2-4087-80d2-da02aaa329f0",
"title": "S250925p - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250925p/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250925p/view/"
},
"event": {
"far": 1.510535853464687e-05,
"time": "2025-09-25T03:27:08.600Z",
"group": "CBC",
"search": "AllSky",
"area_50": 824.8158298312744,
"area_90": 3146.5118758966646,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "8f58089545ffdc27ad5ee5740f562c23",
"classification": {
"BBH": 0.07667032614571294,
"BNS": 1.5376504448506105e-13,
"NSBH": 1.0653197949424434e-11,
"Terrestrial": 0.9233296738434801
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-25T03:27:41Z",
"superevent_id": "S250925p",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-25T03:27:41.825009Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-25T03:27:41.825029Z",
"modified": "2025-09-25T03:27:41.844099Z"
}
},
{
"id": 10578,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5781993,
"topic": "igwn.gwalert",
"uuid": "0c28b2c2-17a6-4f81-8f22-8a05cb0c3668",
"title": "S250925p - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250925p/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250925p/view/"
},
"event": {
"far": 7.150243529920167e-06,
"time": "2025-09-25T03:27:08.595Z",
"group": "CBC",
"search": "AllSky",
"area_50": 750.7481656413889,
"area_90": 2908.9917743019046,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "dfaf5e7ea926f690ca610448a8e2c779",
"classification": {
"BBH": 0.19409475313610325,
"BNS": 1.4894650850280942e-13,
"NSBH": 1.0369388541452867e-11,
"Terrestrial": 0.8059052468533784
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-25T03:32:16Z",
"superevent_id": "S250925p",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-25T03:32:16.822119Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-25T03:32:16.822138Z",
"modified": "2025-09-25T03:32:16.830826Z"
}
},
{
"id": 10579,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782031,
"topic": "igwn.gwalert",
"uuid": "c28bc49d-d3e0-4767-a9fa-b5e0f4c4893c",
"title": "S250925u - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250925u/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250925u/view/"
},
"event": {
"far": 2.177709e-05,
"time": "2025-09-25T07:03:53.179Z",
"group": "CBC",
"search": "AllSky",
"area_50": 8076.5227478670595,
"area_90": 24235.443299117658,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.1348848401054283,
"HasRemnant": 0.4247005930090394
},
"instruments": [
"H1"
],
"significant": false,
"skymap_hash": "ed1253865d91b516b592d259372c436d",
"classification": {
"BBH": 0.0,
"BNS": 0.00012213,
"NSBH": 0.000462348,
"Terrestrial": 0.999415522
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-25T07:04:29Z",
"superevent_id": "S250925u",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-25T07:04:30.038072Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-25T07:04:30.038095Z",
"modified": "2025-09-25T07:04:30.054758Z"
}
},
{
"id": 10580,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782032,
"topic": "igwn.gwalert",
"uuid": "c9fabea1-fc16-4d6d-ab33-dd512f747f6c",
"title": "S250925u - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250925u/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250925u/view/"
},
"event": {
"far": 2.177709e-05,
"time": "2025-09-25T07:03:53.179Z",
"group": "CBC",
"search": "AllSky",
"area_50": 8076.5227478670595,
"area_90": 24235.443299117658,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.1348848401054283,
"HasRemnant": 0.4247005930090394
},
"instruments": [
"H1"
],
"significant": false,
"skymap_hash": "ed1253865d91b516b592d259372c436d",
"classification": {
"BBH": 0.0,
"BNS": 0.00012213,
"NSBH": 0.000462348,
"Terrestrial": 0.999415522
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-25T07:09:03Z",
"superevent_id": "S250925u",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-25T07:09:04.198060Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-25T07:09:04.198079Z",
"modified": "2025-09-25T07:09:04.204343Z"
}
},
{
"id": 10581,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782162,
"topic": "igwn.gwalert",
"uuid": "81656a89-e118-4690-824d-583cf475aeca",
"title": "S250925au - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250925au/view/"
},
"event": {
"far": 1.2512419669658816e-05,
"time": "2025-09-25T20:37:42.702Z",
"group": "Burst",
"search": "AllSky",
"area_50": 6951.869263284096,
"area_90": 22268.978288387894,
"duration": 0.09375,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c3c3cdb5de06a0f6eadc4aa68da877fe",
"classification": {},
"skymap_version": 0,
"central_frequency": 56.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-25T20:38:24Z",
"superevent_id": "S250925au",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-25T20:38:25.933311Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-25T20:38:25.933345Z",
"modified": "2025-09-25T20:38:25.946265Z"
}
},
{
"id": 10582,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782165,
"topic": "igwn.gwalert",
"uuid": "7600b81e-e27a-48d2-9431-f89557073508",
"title": "S250925au - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250925au/view/"
},
"event": {
"far": 1.2512419669658816e-05,
"time": "2025-09-25T20:37:42.702Z",
"group": "Burst",
"search": "AllSky",
"area_50": 6951.869263284096,
"area_90": 22268.978288387894,
"duration": 0.09375,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c3c3cdb5de06a0f6eadc4aa68da877fe",
"classification": {},
"skymap_version": 0,
"central_frequency": 56.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-25T20:42:58Z",
"superevent_id": "S250925au",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-25T20:42:59.404748Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-25T20:42:59.404791Z",
"modified": "2025-09-25T20:42:59.426664Z"
}
},
{
"id": 10583,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782178,
"topic": "igwn.gwalert",
"uuid": "d78c16ac-e286-4acf-9208-a43551652fe0",
"title": "S250925bd - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250925bd/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250925bd/view/"
},
"event": {
"far": 2.245702853542753e-05,
"time": "2025-09-25T21:58:51.842Z",
"group": "CBC",
"search": "AllSky",
"area_50": 4762.152142928161,
"area_90": 14375.42155517687,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "83eef25817cf7934529e0c7faf3657f1",
"classification": {
"BBH": 0.025059163340699103,
"BNS": 0.0,
"NSBH": 0.001596546756081821,
"Terrestrial": 0.9733442899032191
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-25T21:59:17Z",
"superevent_id": "S250925bd",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-25T21:59:18.731857Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-25T21:59:18.731884Z",
"modified": "2025-09-25T21:59:18.740659Z"
}
},
{
"id": 10584,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782179,
"topic": "igwn.gwalert",
"uuid": "3c08557e-63bf-4d75-977d-eb2dea869b66",
"title": "S250925bd - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250925bd/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250925bd/view/"
},
"event": {
"far": 2.245702853542753e-05,
"time": "2025-09-25T21:58:51.842Z",
"group": "CBC",
"search": "AllSky",
"area_50": 4762.152142928161,
"area_90": 14375.42155517687,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "83eef25817cf7934529e0c7faf3657f1",
"classification": {
"BBH": 0.025059163340699103,
"BNS": 0.0,
"NSBH": 0.001596546756081821,
"Terrestrial": 0.9733442899032191
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-25T22:03:51Z",
"superevent_id": "S250925bd",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-25T22:03:52.806134Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-25T22:03:52.806154Z",
"modified": "2025-09-25T22:03:52.818032Z"
}
},
{
"id": 10585,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782224,
"topic": "igwn.gwalert",
"uuid": "073fe127-bee2-4a74-8f4a-3076aefe02c1",
"title": "S250926s - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250926s/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250926s/view/"
},
"event": {
"far": 5.504742081489087e-06,
"time": "2025-09-26T02:11:11.962Z",
"group": "CBC",
"search": "AllSky",
"area_50": 872.6555676083108,
"area_90": 3361.371049070724,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.015682288725766987,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "b1ae84ede7f8933439855d842fbe59b1",
"classification": {
"BBH": 0.22566236748804666,
"BNS": 3.204779614140207e-17,
"NSBH": 2.366759646137749e-15,
"Terrestrial": 0.774337632511951
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-26T02:11:35Z",
"superevent_id": "S250926s",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-26T02:11:36.236457Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-26T02:11:36.236478Z",
"modified": "2025-09-26T02:11:36.252518Z"
}
},
{
"id": 10586,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782226,
"topic": "igwn.gwalert",
"uuid": "faabebba-aeaa-40f3-bf22-ef8a3d9e47e8",
"title": "S250926t - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250926t/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250926t/view/"
},
"event": {
"far": 1.0426e-05,
"time": "2025-09-26T02:14:15.143Z",
"group": "Burst",
"search": "AllSky",
"area_50": 114.98322939392985,
"area_90": 421.3254098960059,
"duration": 0.014451,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "69478a64c4af88df5ca7b5837bc6a408",
"classification": {},
"skymap_version": 0,
"central_frequency": 1068.788086
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-26T02:15:34Z",
"superevent_id": "S250926t",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-26T02:15:34.947980Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-26T02:15:34.948000Z",
"modified": "2025-09-26T02:15:34.961065Z"
}
},
{
"id": 10587,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782227,
"topic": "igwn.gwalert",
"uuid": "eb979fe9-13b4-48de-99c9-1e9d51b95c21",
"title": "S250926s - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250926s/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250926s/view/"
},
"event": {
"far": 1.399479186913378e-07,
"time": "2025-09-26T02:11:11.967Z",
"group": "CBC",
"search": "AllSky",
"area_50": 747.3909910605441,
"area_90": 2974.456678628376,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.015682288725766987,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "230bbac8bf959572b11a0cb1b4750ae6",
"classification": {
"BBH": 0.90630306152342,
"BNS": 9.794879387381763e-18,
"NSBH": 7.323071338372311e-16,
"Terrestrial": 0.09369693847657923
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-26T02:16:11Z",
"superevent_id": "S250926s",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-26T02:16:12.223423Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-26T02:16:12.223442Z",
"modified": "2025-09-26T02:16:12.230754Z"
}
},
{
"id": 10588,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782228,
"topic": "igwn.gwalert",
"uuid": "b27ee937-fd5b-45f2-9461-ca9ea58a9f80",
"title": "S250926t - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250926t/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250926t/view/"
},
"event": {
"far": 1.0426e-05,
"time": "2025-09-26T02:14:15.143Z",
"group": "Burst",
"search": "AllSky",
"area_50": 114.98322939392985,
"area_90": 421.3254098960059,
"duration": 0.014451,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "69478a64c4af88df5ca7b5837bc6a408",
"classification": {},
"skymap_version": 0,
"central_frequency": 1068.788086
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-26T02:20:08Z",
"superevent_id": "S250926t",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-26T02:20:08.825905Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-26T02:20:08.825925Z",
"modified": "2025-09-26T02:20:08.837468Z"
}
},
{
"id": 10589,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782233,
"topic": "igwn.gwalert",
"uuid": "a43e9d4f-4dcc-4c60-91ba-8e2ca12e9d70",
"title": "S250926w - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250926w/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250926w/view/"
},
"event": {
"far": 1.17270083137555e-05,
"time": "2025-09-26T03:00:41.936Z",
"group": "CBC",
"search": "AllSky",
"area_50": 11826.486754670552,
"area_90": 30926.29223874108,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.5428827330248233,
"HasRemnant": 1.0
},
"instruments": [
"L1",
"V1"
],
"significant": false,
"skymap_hash": "e8fe8673afa191b69da7584bebd8a666",
"classification": {
"BBH": 0.0,
"BNS": 0.005573437444084814,
"NSBH": 0.0005818828446936009,
"Terrestrial": 0.9938446797112216
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-26T03:01:07Z",
"superevent_id": "S250926w",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-26T03:01:09.099385Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-26T03:01:09.099406Z",
"modified": "2025-09-26T03:01:09.116226Z"
}
},
{
"id": 10590,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782234,
"topic": "igwn.gwalert",
"uuid": "b1015b76-eb3c-4680-a777-824807dcbe50",
"title": "S250926w - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250926w/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250926w/view/"
},
"event": {
"far": 1.17270083137555e-05,
"time": "2025-09-26T03:00:41.936Z",
"group": "CBC",
"search": "AllSky",
"area_50": 11826.486754670552,
"area_90": 30926.29223874108,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.5428827330248233,
"HasRemnant": 1.0
},
"instruments": [
"L1",
"V1"
],
"significant": false,
"skymap_hash": "e8fe8673afa191b69da7584bebd8a666",
"classification": {
"BBH": 0.0,
"BNS": 0.005573437444084814,
"NSBH": 0.0005818828446936009,
"Terrestrial": 0.9938446797112216
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-26T03:05:42Z",
"superevent_id": "S250926w",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-26T03:05:42.972121Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-26T03:05:42.972141Z",
"modified": "2025-09-26T03:05:42.982262Z"
}
},
{
"id": 10591,
"sequence_number": 0,
"sequence_type": "INITIAL",
"message": {
"id": 5782287,
"topic": "gcn.classic.text.ICECUBE_ASTROTRACK_BRONZE",
"uuid": "5fa28535-4650-4260-8266-599cee330293",
"title": "GCN/AMON NOTICE",
"submitter": "",
"authors": "",
"data": {
"far": "3.2659 [yr^-1]",
"urls": {
"gcn": "https://gcn.gsfc.nasa.gov/notices_amon_g_b/141390_64842455.amon"
},
"title": "GCN/AMON NOTICE",
"energy": "1.0651e+02 [TeV]",
"src_ra": "131.0322d {+08h 44m 08s} (J2000),\n131.3811d {+08h 45m 31s} (current),\n130.3537d {+08h 41m 25s} (1950)",
"stream": "25",
"run_num": "141390",
"src_dec": "+10.1019d {+10d 06' 07\"} (J2000),\n+10.0075d {+10d 00' 27\"} (current),\n+10.2834d {+10d 17' 00\"} (1950)",
"comments": "IceCube Bronze event.\nThe position error is statistical only, there is no systematic added.",
"revision": "0",
"sun_dist": "53.00 [deg] Sun_angle= 3.5 [hr] (West of Sun)",
"event_num": "64842455",
"moon_dist": "103.66 [deg]",
"src_error": "59.19 [arcmin radius, stat-only, 90% containment]",
"sun_postn": "183.37d {+12h 13m 29s} -1.46d {-01d 27' 36\"}",
"ecl_coords": "130.71, -7.73 [deg] ecliptic lon,lat of the event",
"gal_coords": "216.61, 29.58 [deg] galactic lon,lat of the event",
"moon_postn": "231.99d {+15h 27m 59s} -23.89d {-23d 53' 27\"}",
"signalness": "2.7874e-01 [dn]",
"notice_date": "Fri 26 Sep 25 12:29:53 UT",
"notice_type": "ICECUBE Astrotrack Bronze",
"src_error50": "23.06 [arcmin radius, stat-only, 50% containment]",
"discovery_date": "20944 TJD; 269 DOY; 25/09/26 (yy/mm/dd)",
"discovery_time": "44935 SOD {12:28:55.17} UT"
},
"message_text": "TITLE: GCN/AMON NOTICE\nNOTICE_DATE: Fri 26 Sep 25 12:29:53 UT\nNOTICE_TYPE: ICECUBE Astrotrack Bronze \nSTREAM: 25\nRUN_NUM: 141390\nEVENT_NUM: 64842455\nSRC_RA: 131.0322d {+08h 44m 08s} (J2000),\n 131.3811d {+08h 45m 31s} (current),\n 130.3537d {+08h 41m 25s} (1950)\nSRC_DEC: +10.1019d {+10d 06' 07\"} (J2000),\n +10.0075d {+10d 00' 27\"} (current),\n +10.2834d {+10d 17' 00\"} (1950)\nSRC_ERROR: 59.19 [arcmin radius, stat-only, 90% containment]\nSRC_ERROR50: 23.06 [arcmin radius, stat-only, 50% containment]\nDISCOVERY_DATE: 20944 TJD; 269 DOY; 25/09/26 (yy/mm/dd)\nDISCOVERY_TIME: 44935 SOD {12:28:55.17} UT\nREVISION: 0\nENERGY: 1.0651e+02 [TeV]\nSIGNALNESS: 2.7874e-01 [dn]\nFAR: 3.2659 [yr^-1]\nSUN_POSTN: 183.37d {+12h 13m 29s} -1.46d {-01d 27' 36\"}\nSUN_DIST: 53.00 [deg] Sun_angle= 3.5 [hr] (West of Sun)\nMOON_POSTN: 231.99d {+15h 27m 59s} -23.89d {-23d 53' 27\"}\nMOON_DIST: 103.66 [deg]\nGAL_COORDS: 216.61, 29.58 [deg] galactic lon,lat of the event\nECL_COORDS: 130.71, -7.73 [deg] ecliptic lon,lat of the event\nCOMMENTS: IceCube Bronze event. \nCOMMENTS: The position error is statistical only, there is no systematic added. \n",
"published": "2025-09-26T12:29:53Z",
"message_parser": "Icecube Notice Plaintext Parser v1",
"retracted": false,
"created": "2025-09-26T12:29:56.583621Z",
"modified": "2025-09-26T12:29:56.605647Z"
}
},
{
"id": 10592,
"sequence_number": 1,
"sequence_type": "UPDATE",
"message": {
"id": 5782300,
"topic": "gcn.classic.text.ICECUBE_ASTROTRACK_BRONZE",
"uuid": "ec51a67a-313c-4abe-bf4f-3b97ba609079",
"title": "GCN/AMON NOTICE",
"submitter": "",
"authors": "",
"data": {
"far": "3.2659 [yr^-1]",
"urls": {
"gcn": "https://gcn.gsfc.nasa.gov/notices_amon_g_b/141390_64842455.amon"
},
"title": "GCN/AMON NOTICE",
"energy": "1.0651e+02 [TeV]",
"src_ra": "131.0000d {+08h 44m 00s} (J2000),\n131.3486d {+08h 45m 24s} (current),\n130.3220d {+08h 41m 17s} (1950)",
"stream": "25",
"run_num": "141390",
"src_dec": "+9.9700d {+09d 58' 12\"} (J2000),\n+9.8757d {+09d 52' 32\"} (current),\n+10.1514d {+10d 09' 05\"} (1950)",
"comments": "IceCube Bronze event.\nThe position error is statistical only, there is no systematic added.",
"revision": "1",
"sun_dist": "53.06 [deg] Sun_angle= 3.5 [hr] (West of Sun)",
"event_num": "64842455",
"moon_dist": "104.23 [deg]",
"src_error": "36.59 [arcmin radius, stat-only, 90% containment]",
"sun_postn": "183.42d {+12h 13m 40s} -1.48d {-01d 28' 47\"}",
"ecl_coords": "130.71, -7.86 [deg] ecliptic lon,lat of the event",
"gal_coords": "216.73, 29.50 [deg] galactic lon,lat of the event",
"moon_postn": "232.62d {+15h 30m 29s} -24.06d {-24d 03' 21\"}",
"signalness": "2.7874e-01 [dn]",
"notice_date": "Fri 26 Sep 25 13:42:22 UT",
"notice_type": "ICECUBE Astrotrack Bronze",
"src_error50": "20.40 [arcmin radius, stat-only, 50% containment]",
"discovery_date": "20944 TJD; 269 DOY; 25/09/26 (yy/mm/dd)",
"discovery_time": "44935 SOD {12:28:55.17} UT"
},
"message_text": "TITLE: GCN/AMON NOTICE\nNOTICE_DATE: Fri 26 Sep 25 13:42:22 UT\nNOTICE_TYPE: ICECUBE Astrotrack Bronze \nSTREAM: 25\nRUN_NUM: 141390\nEVENT_NUM: 64842455\nSRC_RA: 131.0000d {+08h 44m 00s} (J2000),\n 131.3486d {+08h 45m 24s} (current),\n 130.3220d {+08h 41m 17s} (1950)\nSRC_DEC: +9.9700d {+09d 58' 12\"} (J2000),\n +9.8757d {+09d 52' 32\"} (current),\n +10.1514d {+10d 09' 05\"} (1950)\nSRC_ERROR: 36.59 [arcmin radius, stat-only, 90% containment]\nSRC_ERROR50: 20.40 [arcmin radius, stat-only, 50% containment]\nDISCOVERY_DATE: 20944 TJD; 269 DOY; 25/09/26 (yy/mm/dd)\nDISCOVERY_TIME: 44935 SOD {12:28:55.17} UT\nREVISION: 1\nENERGY: 1.0651e+02 [TeV]\nSIGNALNESS: 2.7874e-01 [dn]\nFAR: 3.2659 [yr^-1]\nSUN_POSTN: 183.42d {+12h 13m 40s} -1.48d {-01d 28' 47\"}\nSUN_DIST: 53.06 [deg] Sun_angle= 3.5 [hr] (West of Sun)\nMOON_POSTN: 232.62d {+15h 30m 29s} -24.06d {-24d 03' 21\"}\nMOON_DIST: 104.23 [deg]\nGAL_COORDS: 216.73, 29.50 [deg] galactic lon,lat of the event\nECL_COORDS: 130.71, -7.86 [deg] ecliptic lon,lat of the event\nCOMMENTS: IceCube Bronze event. \nCOMMENTS: The position error is statistical only, there is no systematic added. \n",
"published": "2025-09-26T13:42:22Z",
"message_parser": "Icecube Notice Plaintext Parser v1",
"retracted": false,
"created": "2025-09-26T13:42:23.472542Z",
"modified": "2025-09-26T13:42:23.483034Z"
}
},
{
"id": 10593,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782318,
"topic": "igwn.gwalert",
"uuid": "2b07ef6f-496c-4848-bd8f-413b8b98fad4",
"title": "S250926be - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250926be/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250926be/view/"
},
"event": {
"far": 1.17129e-05,
"time": "2025-09-26T16:33:06.137Z",
"group": "CBC",
"search": "BBH",
"area_50": 2328.200571815777,
"area_90": 7336.265752790811,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.015682288725766987,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "2e40c7ef91d4865f9fb009e4bb99c87c",
"classification": {
"BBH": 0.003544962263048679,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9964550377369513
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-26T16:34:13Z",
"superevent_id": "S250926be",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-26T16:34:13.788139Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-26T16:34:13.788159Z",
"modified": "2025-09-26T16:34:13.793777Z"
}
},
{
"id": 10594,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782319,
"topic": "igwn.gwalert",
"uuid": "547deb31-3a53-4566-95a2-758874739e03",
"title": "S250926be - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250926be/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250926be/view/"
},
"event": {
"far": 1.17129e-05,
"time": "2025-09-26T16:33:06.137Z",
"group": "CBC",
"search": "BBH",
"area_50": 2328.200571815777,
"area_90": 7336.265752790811,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.015682288725766987,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "2e40c7ef91d4865f9fb009e4bb99c87c",
"classification": {
"BBH": 0.003544962263048679,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9964550377369513
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-26T16:38:49Z",
"superevent_id": "S250926be",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-26T16:38:49.865778Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-26T16:38:49.865799Z",
"modified": "2025-09-26T16:38:49.877731Z"
}
},
{
"id": 10595,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782336,
"topic": "igwn.gwalert",
"uuid": "9b58ef87-eca2-4788-b9c5-3b2a4000f698",
"title": "S250926cb - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250926cb/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250926cb/view/"
},
"event": {
"far": 8.738656021008478e-06,
"time": "2025-09-26T19:38:01.305Z",
"group": "CBC",
"search": "AllSky",
"area_50": 781.8020305142021,
"area_90": 4721.026754312815,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.015682288725766987,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "dfff6c959d114d4151eb157ea42f8517",
"classification": {
"BBH": 0.15923581352359115,
"BNS": 1.0329962908939682e-15,
"NSBH": 7.894836445763193e-14,
"Terrestrial": 0.8407641864763289
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-26T19:38:28Z",
"superevent_id": "S250926cb",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-26T19:38:29.337755Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-26T19:38:29.337776Z",
"modified": "2025-09-26T19:38:29.352812Z"
}
},
{
"id": 10596,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782338,
"topic": "igwn.gwalert",
"uuid": "4e95bc9f-7977-4d92-91b7-2cb1070ff0b0",
"title": "S250926cb - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250926cb/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250926cb/view/"
},
"event": {
"far": 7.301404412282582e-06,
"time": "2025-09-26T19:38:01.302Z",
"group": "CBC",
"search": "AllSky",
"area_50": 760.1902191500146,
"area_90": 4493.578176460588,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.015682288725766987,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "c87a261a3b0577ecc003ed2fd2acbde4",
"classification": {
"BBH": 0.16793815584340302,
"BNS": 8.63513536952964e-16,
"NSBH": 6.607919084438347e-14,
"Terrestrial": 0.8320618441565301
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-26T19:43:03Z",
"superevent_id": "S250926cb",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-26T19:43:04.434063Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-26T19:43:04.434085Z",
"modified": "2025-09-26T19:43:04.441674Z"
}
},
{
"id": 10597,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782357,
"topic": "igwn.gwalert",
"uuid": "7bfa6ce5-6566-484c-b2f2-227e90066112",
"title": "S250926cg - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250926cg/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250926cg/view/"
},
"event": {
"far": 1.23985e-05,
"time": "2025-09-26T20:34:12.240Z",
"group": "Burst",
"search": "AllSky",
"area_50": 261.85961730588406,
"area_90": 1649.2120128399433,
"duration": 0.090628,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "8fc4e0169f6fcf59f3393e476ee35522",
"classification": {},
"skymap_version": 0,
"central_frequency": 838.428284
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-26T20:37:30Z",
"superevent_id": "S250926cg",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-26T20:37:31.534599Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-26T20:37:31.534619Z",
"modified": "2025-09-26T20:37:31.543800Z"
}
},
{
"id": 10598,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782359,
"topic": "igwn.gwalert",
"uuid": "ec47b995-7528-4176-a9ff-8537d0a9d242",
"title": "S250926cg - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250926cg/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250926cg/view/"
},
"event": {
"far": 1.23985e-05,
"time": "2025-09-26T20:34:12.240Z",
"group": "Burst",
"search": "AllSky",
"area_50": 261.85961730588406,
"area_90": 1649.2120128399433,
"duration": 0.090628,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "8fc4e0169f6fcf59f3393e476ee35522",
"classification": {},
"skymap_version": 0,
"central_frequency": 838.428284
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-26T20:42:06Z",
"superevent_id": "S250926cg",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-26T20:42:06.601214Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-26T20:42:06.601233Z",
"modified": "2025-09-26T20:42:06.612347Z"
}
},
{
"id": 10599,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782374,
"topic": "igwn.gwalert",
"uuid": "94afa29d-bd9a-4617-aa22-6be935028453",
"title": "S250926cs - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250926cs/view/"
},
"event": {
"far": 5.1806358183258e-06,
"time": "2025-09-26T21:56:48.352Z",
"group": "Burst",
"search": "AllSky",
"area_50": 5376.515091222736,
"area_90": 20758.24972700779,
"duration": 0.125,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6799aaace25c0f9cb63d3570c2af9650",
"classification": {},
"skymap_version": 0,
"central_frequency": 384.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-26T21:57:28Z",
"superevent_id": "S250926cs",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-26T21:57:29.277858Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-26T21:57:29.277878Z",
"modified": "2025-09-26T21:57:29.291822Z"
}
},
{
"id": 10600,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782375,
"topic": "igwn.gwalert",
"uuid": "479d5ed1-f4d3-425c-ba36-7463f73924c0",
"title": "S250926cs - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250926cs/view/"
},
"event": {
"far": 5.1806358183258e-06,
"time": "2025-09-26T21:56:48.352Z",
"group": "Burst",
"search": "AllSky",
"area_50": 5376.515091222736,
"area_90": 20758.24972700779,
"duration": 0.125,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6799aaace25c0f9cb63d3570c2af9650",
"classification": {},
"skymap_version": 0,
"central_frequency": 384.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-26T22:02:02Z",
"superevent_id": "S250926cs",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-26T22:02:04.195486Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-26T22:02:04.195505Z",
"modified": "2025-09-26T22:02:04.205424Z"
}
},
{
"id": 10601,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782393,
"topic": "igwn.gwalert",
"uuid": "1390ccae-9246-4cd4-90ba-35432b3b6c19",
"title": "S250927c - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250927c/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250927c/view/"
},
"event": {
"far": 1.83546e-05,
"time": "2025-09-27T00:13:44.669Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1496.460569411511,
"area_90": 5701.321731919457,
"duration": 0.018205,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "82d48ba85c159fa037adc819fe7799cf",
"classification": {},
"skymap_version": 0,
"central_frequency": 313.252441
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-27T00:15:59Z",
"superevent_id": "S250927c",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-27T00:16:00.712566Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-27T00:16:00.712588Z",
"modified": "2025-09-27T00:16:00.726102Z"
}
},
{
"id": 10602,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782394,
"topic": "igwn.gwalert",
"uuid": "6bd731a6-347f-4034-82d6-9cdc42f25974",
"title": "S250927c - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250927c/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250927c/view/"
},
"event": {
"far": 1.83546e-05,
"time": "2025-09-27T00:13:44.669Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1496.460569411511,
"area_90": 5701.321731919457,
"duration": 0.018205,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "82d48ba85c159fa037adc819fe7799cf",
"classification": {},
"skymap_version": 0,
"central_frequency": 313.252441
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-27T00:20:34Z",
"superevent_id": "S250927c",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-27T00:20:34.849470Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-27T00:20:34.849488Z",
"modified": "2025-09-27T00:20:34.856600Z"
}
},
{
"id": 10603,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782487,
"topic": "igwn.gwalert",
"uuid": "ce0e288e-8613-4bbd-9761-e0380623a4da",
"title": "S250927bi - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250927bi/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250927bi/view/"
},
"event": {
"far": 1.04334e-05,
"time": "2025-09-27T12:18:02.281Z",
"group": "CBC",
"search": "BBH",
"area_50": 1484.7104583785547,
"area_90": 4988.761427135176,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "2cd1db18968166cc6f9f40be524745b2",
"classification": {
"BBH": 0.002542819025482035,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.997457180974518
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-27T12:20:11Z",
"superevent_id": "S250927bi",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-27T12:20:12.740569Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-27T12:20:12.740586Z",
"modified": "2025-09-27T12:20:12.752598Z"
}
},
{
"id": 10604,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782489,
"topic": "igwn.gwalert",
"uuid": "21b27ad0-6950-4cf2-9822-440394ca4c8f",
"title": "S250927bi - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250927bi/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250927bi/view/"
},
"event": {
"far": 1.04334e-05,
"time": "2025-09-27T12:18:02.281Z",
"group": "CBC",
"search": "BBH",
"area_50": 1484.7104583785547,
"area_90": 4988.761427135176,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "2cd1db18968166cc6f9f40be524745b2",
"classification": {
"BBH": 0.002542819025482035,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.997457180974518
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-27T12:24:45Z",
"superevent_id": "S250927bi",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-27T12:24:46.759616Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-27T12:24:46.759635Z",
"modified": "2025-09-27T12:24:46.774138Z"
}
},
{
"id": 10605,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782490,
"topic": "igwn.gwalert",
"uuid": "6d61d345-6ef4-4ea9-a875-7d7111c9bc18",
"title": "S250927bl - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250927bl/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250927bl/view/"
},
"event": {
"far": 1.60492e-05,
"time": "2025-09-27T12:30:04.368Z",
"group": "Burst",
"search": "AllSky",
"area_50": 361.73556108601304,
"area_90": 2112.502104996507,
"duration": 0.070577,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "4fd6481b510cfd15f11d47ad590bc3d4",
"classification": {},
"skymap_version": 0,
"central_frequency": 303.593597
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-27T12:31:52Z",
"superevent_id": "S250927bl",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-27T12:31:53.195666Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-27T12:31:53.195684Z",
"modified": "2025-09-27T12:31:53.209322Z"
}
},
{
"id": 10606,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782491,
"topic": "igwn.gwalert",
"uuid": "9e14a350-40a9-412f-9d5b-b0776a53fb2a",
"title": "S250927bl - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250927bl/files/cwb.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250927bl/view/"
},
"event": {
"far": 6.99296e-06,
"time": "2025-09-27T12:30:04.228Z",
"group": "Burst",
"search": "AllSky",
"area_50": 79.7328962950609,
"area_90": 484.2724332868433,
"duration": 0.17474,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "36621c03734983efe47a41ef6abd3ae5",
"classification": {},
"skymap_version": 1,
"central_frequency": 299.75177
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-27T12:36:26Z",
"superevent_id": "S250927bl",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-27T12:36:27.126015Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-27T12:36:27.126115Z",
"modified": "2025-09-27T12:36:27.134858Z"
}
},
{
"id": 10607,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782502,
"topic": "igwn.gwalert",
"uuid": "bc55ac9b-9dc3-4543-bf68-b93ba1fdb391",
"title": "S250927cc - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250927cc/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250927cc/view/"
},
"event": {
"far": 5.03192e-06,
"time": "2025-09-27T13:52:23.758Z",
"group": "Burst",
"search": "AllSky",
"area_50": 602.6128372616179,
"area_90": 4017.698679625855,
"duration": 0.005611,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "e09c42334fe3c3da62c7e4c02d5c250b",
"classification": {},
"skymap_version": 0,
"central_frequency": 314.150482
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-27T13:54:49Z",
"superevent_id": "S250927cc",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-27T13:54:50.355013Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-27T13:54:50.355035Z",
"modified": "2025-09-27T13:54:50.370979Z"
}
},
{
"id": 10608,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782503,
"topic": "igwn.gwalert",
"uuid": "bacdaa35-ecb5-4c73-97b9-e7f4ce531bed",
"title": "S250927cc - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250927cc/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250927cc/view/"
},
"event": {
"far": 5.03192e-06,
"time": "2025-09-27T13:52:23.758Z",
"group": "Burst",
"search": "AllSky",
"area_50": 602.6128372616179,
"area_90": 4017.698679625855,
"duration": 0.005611,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "e09c42334fe3c3da62c7e4c02d5c250b",
"classification": {},
"skymap_version": 0,
"central_frequency": 314.150482
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-27T13:59:23Z",
"superevent_id": "S250927cc",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-27T13:59:23.311936Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-27T13:59:23.311955Z",
"modified": "2025-09-27T13:59:23.317255Z"
}
},
{
"id": 10609,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782520,
"topic": "igwn.gwalert",
"uuid": "cca33cea-bec3-484a-b021-1337bd4eb1eb",
"title": "S250927ck - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250927ck/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250927ck/view/"
},
"event": {
"far": 3.138739852245421e-08,
"time": "2025-09-27T15:24:48.955Z",
"group": "CBC",
"search": "AllSky",
"area_50": 48.45609404773847,
"area_90": 263.957851418912,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": true,
"skymap_hash": "5d374dd43fa1c2ed98d401626ad9b671",
"classification": {
"BBH": 0.9776052835939173,
"BNS": 1.0976416804438567e-22,
"NSBH": 1.2259793104432407e-20,
"Terrestrial": 0.022394716406082704
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-27T15:25:15Z",
"superevent_id": "S250927ck",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-27T15:25:16.521099Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-27T15:25:16.521116Z",
"modified": "2025-09-27T15:25:16.536177Z"
}
},
{
"id": 10610,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782521,
"topic": "igwn.gwalert",
"uuid": "6515d2f7-cb4c-4dbb-b8ed-38d6270c298a",
"title": "S250927ck - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250927ck/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250927ck/view/"
},
"event": {
"far": 3.138739852245421e-08,
"time": "2025-09-27T15:24:48.939Z",
"group": "CBC",
"search": "AllSky",
"area_50": 37.492820807167604,
"area_90": 177.4056942565104,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": true,
"skymap_hash": "85a50e0fad5d3c171a953aa8eb7c9d1e",
"classification": {
"BBH": 0.9776052835939173,
"BNS": 1.0976416804438567e-22,
"NSBH": 1.2259793104432407e-20,
"Terrestrial": 0.022394716406082704
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-27T15:29:51Z",
"superevent_id": "S250927ck",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-27T15:29:51.587951Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-27T15:29:51.587969Z",
"modified": "2025-09-27T15:29:51.600320Z"
}
},
{
"id": 10611,
"sequence_number": 3,
"sequence_type": "INITIAL",
"message": {
"id": 5782529,
"topic": "igwn.gwalert",
"uuid": "3c4cf7a6-fa11-4c00-b76d-ab375f865d5e",
"title": "S250927ck - INITIAL",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250927ck/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250927ck/view/"
},
"event": {
"far": 3.138739852245421e-08,
"time": "2025-09-27T15:24:48.939Z",
"group": "CBC",
"search": "AllSky",
"area_50": 37.492820807167604,
"area_90": 177.4056942565104,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": true,
"skymap_hash": "85a50e0fad5d3c171a953aa8eb7c9d1e",
"classification": {
"BBH": 0.9776052835939173,
"BNS": 1.0976416804438567e-22,
"NSBH": 1.2259793104432407e-20,
"Terrestrial": 0.022394716406082704
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "INITIAL",
"sequence_num": 3,
"time_created": "2025-09-27T16:11:19Z",
"superevent_id": "S250927ck",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-27T16:11:21.044500Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-27T16:11:21.044527Z",
"modified": "2025-09-27T16:11:21.051075Z"
}
},
{
"id": 10612,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782531,
"topic": "igwn.gwalert",
"uuid": "d5c67e90-3c2a-4394-9e6c-8b655874c7b3",
"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": 1,
"time_created": "2025-09-27T16:15:49Z",
"superevent_id": "S250927cn",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-27T16:15:50.988779Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-27T16:15:50.988800Z",
"modified": "2025-09-27T16:15:50.996902Z"
}
},
{
"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": 10614,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782542,
"topic": "igwn.gwalert",
"uuid": "0c450b3b-cddd-4a84-8f21-b5cc457d0694",
"title": "S250927cu - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250927cu/files/bayestar.multiorder.fits,0",
"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": 268.25923135061925,
"area_90": 1292.512213625197,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "719326f5ace39ac1f62409fd0149f8d4",
"classification": {
"BBH": 0.037999683,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.962000317
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-27T17:07:06Z",
"superevent_id": "S250927cu",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-27T17:07:07.572449Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-27T17:07:07.572488Z",
"modified": "2025-09-27T17:07:07.577518Z"
}
},
{
"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": 10616,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782545,
"topic": "igwn.gwalert",
"uuid": "d5c6bb92-e18d-46c5-91b5-a84a94b4e984",
"title": "S250927cy - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250927cy/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250927cy/view/"
},
"event": {
"far": 5.313349233749549e-08,
"time": "2025-09-27T17:30:41.680Z",
"group": "CBC",
"search": "AllSky",
"area_50": 409.1556520404439,
"area_90": 2259.3784929084613,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": true,
"skymap_hash": "1cdd0e8528a775ed0720e8aad51aadfb",
"classification": {
"BBH": 0.9615186932535197,
"BNS": 9.11377121582436e-21,
"NSBH": 6.810545383144578e-19,
"Terrestrial": 0.038481306746480315
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-27T17:31:10Z",
"superevent_id": "S250927cy",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-27T17:31:11.682519Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-27T17:31:11.682539Z",
"modified": "2025-09-27T17:31:11.693804Z"
}
},
{
"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": 10618,
"sequence_number": 3,
"sequence_type": "INITIAL",
"message": {
"id": 5782554,
"topic": "igwn.gwalert",
"uuid": "818d8cad-5817-4c43-9835-1ed3ce3ef375",
"title": "S250927cy - INITIAL",
"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": "INITIAL",
"sequence_num": 3,
"time_created": "2025-09-27T18:00:55Z",
"superevent_id": "S250927cy",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-27T18:00:56.797987Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-27T18:00:56.798014Z",
"modified": "2025-09-27T18:00:56.802872Z"
}
},
{
"id": 10619,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782622,
"topic": "igwn.gwalert",
"uuid": "72a91d75-00e5-4c34-bee0-4b2849859cab",
"title": "S250928m - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250928m/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250928m/view/"
},
"event": {
"far": 1.837667e-05,
"time": "2025-09-28T01:57:46.507Z",
"group": "CBC",
"search": "AllSky",
"area_50": 424.42030521272204,
"area_90": 2646.2928633508095,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.1374276613686777,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "6bb4b836f7c392916c8d4eef74b4f185",
"classification": {
"BBH": 0.000175282,
"BNS": 0.0,
"NSBH": 0.000508318,
"Terrestrial": 0.9993164
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-28T01:58:45Z",
"superevent_id": "S250928m",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-28T01:58:45.975777Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-28T01:58:45.975795Z",
"modified": "2025-09-28T01:58:45.986167Z"
}
},
{
"id": 10620,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782624,
"topic": "igwn.gwalert",
"uuid": "d05eac89-cafe-4de2-abee-5cb1c8bc2b2e",
"title": "S250928m - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250928m/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250928m/view/"
},
"event": {
"far": 1.837667e-05,
"time": "2025-09-28T01:57:46.507Z",
"group": "CBC",
"search": "AllSky",
"area_50": 424.42030521272204,
"area_90": 2646.2928633508095,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.1374276613686777,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "6bb4b836f7c392916c8d4eef74b4f185",
"classification": {
"BBH": 0.000175282,
"BNS": 0.0,
"NSBH": 0.000508318,
"Terrestrial": 0.9993164
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-28T02:03:20Z",
"superevent_id": "S250928m",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-28T02:03:21.289518Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-28T02:03:21.289536Z",
"modified": "2025-09-28T02:03:21.295362Z"
}
},
{
"id": 10621,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782663,
"topic": "igwn.gwalert",
"uuid": "cdf970f4-b8a1-46d9-beca-63f40247a103",
"title": "S250928be - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250928be/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250928be/view/"
},
"event": {
"far": 7.119062118544767e-06,
"time": "2025-09-28T07:14:07.612Z",
"group": "CBC",
"search": "AllSky",
"area_50": 541.1345777498999,
"area_90": 2209.8601678410027,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.14146996685231977,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "f7fc7f8c25e0a8c280c93f8849aec4dd",
"classification": {
"BBH": 0.17170332681442796,
"BNS": 1.6453856170766278e-17,
"NSBH": 1.0229734359397066e-15,
"Terrestrial": 0.828296673185571
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-28T07:14:29Z",
"superevent_id": "S250928be",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-28T07:14:30.442610Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-28T07:14:30.442632Z",
"modified": "2025-09-28T07:14:30.461095Z"
}
},
{
"id": 10622,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782664,
"topic": "igwn.gwalert",
"uuid": "d0580c2e-52e9-4806-9b56-e02c2ce07b05",
"title": "S250928be - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250928be/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250928be/view/"
},
"event": {
"far": 7.119062118544767e-06,
"time": "2025-09-28T07:14:07.612Z",
"group": "CBC",
"search": "AllSky",
"area_50": 541.1345777498999,
"area_90": 2209.8601678410027,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.14146996685231977,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "f7fc7f8c25e0a8c280c93f8849aec4dd",
"classification": {
"BBH": 0.17170332681442796,
"BNS": 1.6453856170766278e-17,
"NSBH": 1.0229734359397066e-15,
"Terrestrial": 0.828296673185571
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-28T07:19:05Z",
"superevent_id": "S250928be",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-28T07:19:06.450892Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-28T07:19:06.450916Z",
"modified": "2025-09-28T07:19:06.462906Z"
}
},
{
"id": 10623,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782667,
"topic": "igwn.gwalert",
"uuid": "e94c053d-8518-4b4e-b43f-7a910e2011f1",
"title": "S250928bi - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250928bi/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250928bi/view/"
},
"event": {
"far": 1.481751e-05,
"time": "2025-09-28T07:43:08.929Z",
"group": "CBC",
"search": "AllSky",
"area_50": 617.3004760528133,
"area_90": 2128.2388608442166,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.031510622710622715,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "9a7e0ea1887572730952949f5cc30c45",
"classification": {
"BBH": 0.000220377,
"BNS": 0.0,
"NSBH": 0.000613908,
"Terrestrial": 0.999165714
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-28T07:43:50Z",
"superevent_id": "S250928bi",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-28T07:43:51.012602Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-28T07:43:51.012623Z",
"modified": "2025-09-28T07:43:51.016356Z"
}
},
{
"id": 10624,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782668,
"topic": "igwn.gwalert",
"uuid": "4fe095bd-2f61-493f-9d60-c15f99fcfcf3",
"title": "S250928bi - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250928bi/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250928bi/view/"
},
"event": {
"far": 1.481751e-05,
"time": "2025-09-28T07:43:08.929Z",
"group": "CBC",
"search": "AllSky",
"area_50": 617.3004760528133,
"area_90": 2128.2388608442166,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.031510622710622715,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "9a7e0ea1887572730952949f5cc30c45",
"classification": {
"BBH": 0.000220377,
"BNS": 0.0,
"NSBH": 0.000613908,
"Terrestrial": 0.999165714
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-28T07:48:24Z",
"superevent_id": "S250928bi",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-28T07:48:25.788691Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-28T07:48:25.788714Z",
"modified": "2025-09-28T07:48:25.796938Z"
}
},
{
"id": 10625,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782671,
"topic": "igwn.gwalert",
"uuid": "e3a4d268-7517-4338-a422-66831d0b1b56",
"title": "S250928bn - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250928bn/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250928bn/view/"
},
"event": {
"far": 3.94125e-06,
"time": "2025-09-28T08:03:31.050Z",
"group": "Burst",
"search": "AllSky",
"area_50": 666.3991542976667,
"area_90": 2614.399704832785,
"duration": 0.033185,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "1754309b663f74dfc0adaa52b11d00bf",
"classification": {},
"skymap_version": 0,
"central_frequency": 58.844296
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-28T08:06:49Z",
"superevent_id": "S250928bn",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-28T08:06:50.309384Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-28T08:06:50.309406Z",
"modified": "2025-09-28T08:06:50.321379Z"
}
},
{
"id": 10626,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782672,
"topic": "igwn.gwalert",
"uuid": "13d5f290-7159-4946-84e3-283e43d81398",
"title": "S250928bp - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250928bp/view/"
},
"event": {
"far": 1.660792273017501e-05,
"time": "2025-09-28T08:09:44.969Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7309.408356144053,
"area_90": 22668.48206350841,
"duration": 0.0625,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "94346be73826bd95d77046857584ca16",
"classification": {},
"skymap_version": 0,
"central_frequency": 152.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-28T08:10:27Z",
"superevent_id": "S250928bp",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-28T08:10:28.994386Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-28T08:10:28.994406Z",
"modified": "2025-09-28T08:10:29.007486Z"
}
},
{
"id": 10627,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782673,
"topic": "igwn.gwalert",
"uuid": "4b94eabc-f3cb-4490-ba78-1faf7c235c7c",
"title": "S250928bn - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250928bn/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250928bn/view/"
},
"event": {
"far": 3.94125e-06,
"time": "2025-09-28T08:03:31.050Z",
"group": "Burst",
"search": "AllSky",
"area_50": 666.3991542976667,
"area_90": 2614.399704832785,
"duration": 0.033185,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "1754309b663f74dfc0adaa52b11d00bf",
"classification": {},
"skymap_version": 0,
"central_frequency": 58.844296
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-28T08:11:24Z",
"superevent_id": "S250928bn",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-28T08:11:25.184326Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-28T08:11:25.184347Z",
"modified": "2025-09-28T08:11:25.191359Z"
}
},
{
"id": 10628,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782676,
"topic": "igwn.gwalert",
"uuid": "07d7bc2a-df95-4659-a560-8bdf80cc53b7",
"title": "S250928bp - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250928bp/view/"
},
"event": {
"far": 1.660792273017501e-05,
"time": "2025-09-28T08:09:44.969Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7309.408356144053,
"area_90": 22668.48206350841,
"duration": 0.0625,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "94346be73826bd95d77046857584ca16",
"classification": {},
"skymap_version": 0,
"central_frequency": 152.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-28T08:15:02Z",
"superevent_id": "S250928bp",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-28T08:15:02.900826Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-28T08:15:02.900848Z",
"modified": "2025-09-28T08:15:02.907807Z"
}
},
{
"id": 10629,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782685,
"topic": "igwn.gwalert",
"uuid": "dc28762c-4af9-4d6b-8086-84c43db638bb",
"title": "S250928bu - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250928bu/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250928bu/view/"
},
"event": {
"far": 1.317261515924003e-05,
"time": "2025-09-28T08:37:42.636Z",
"group": "CBC",
"search": "AllSky",
"area_50": 421.01067477905167,
"area_90": 1808.6778054300646,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.15257834170562365,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "6f057f6f5d39fca818f17dbe3483d037",
"classification": {
"BBH": 0.0898975204651274,
"BNS": 9.047541538702261e-17,
"NSBH": 5.7136720302950924e-15,
"Terrestrial": 0.9101024795348668
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-28T08:38:11Z",
"superevent_id": "S250928bu",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-28T08:38:12.418528Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-28T08:38:12.418550Z",
"modified": "2025-09-28T08:38:12.422671Z"
}
},
{
"id": 10630,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782689,
"topic": "igwn.gwalert",
"uuid": "b11b081c-fcb4-4b5c-a46b-2305950c22c7",
"title": "S250928bu - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250928bu/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250928bu/view/"
},
"event": {
"far": 1.536553927369434e-05,
"time": "2025-09-28T08:37:42.643Z",
"group": "CBC",
"search": "AllSky",
"area_50": 433.967270426999,
"area_90": 1933.7325585665285,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.14409349322077517,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "13b7f06fb2444901b7b22267d9cbaf04",
"classification": {
"BBH": 0.090711980769106,
"BNS": 8.565586904693728e-17,
"NSBH": 5.402872787402935e-15,
"Terrestrial": 0.9092880192308885
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-28T08:42:46Z",
"superevent_id": "S250928bu",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-28T08:42:47.326172Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-28T08:42:47.326200Z",
"modified": "2025-09-28T08:42:47.330489Z"
}
},
{
"id": 10631,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782690,
"topic": "igwn.gwalert",
"uuid": "7e072db8-0ca5-4101-a328-8e715a653fb1",
"title": "S250928bw - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250928bw/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250928bw/view/"
},
"event": {
"far": 1.71941e-05,
"time": "2025-09-28T08:48:32.726Z",
"group": "Burst",
"search": "AllSky",
"area_50": 387.75366408755923,
"area_90": 1798.6062816875308,
"duration": 0.066557,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "3af0181e1c48b9f51cc83e8bd98e094b",
"classification": {},
"skymap_version": 0,
"central_frequency": 400.104523
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-28T08:51:13Z",
"superevent_id": "S250928bw",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-28T08:51:14.954060Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-28T08:51:14.954081Z",
"modified": "2025-09-28T08:51:14.966184Z"
}
},
{
"id": 10632,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782693,
"topic": "igwn.gwalert",
"uuid": "708192d8-37f4-43ca-8305-ceea46132c3a",
"title": "S250928bw - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250928bw/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250928bw/view/"
},
"event": {
"far": 1.71941e-05,
"time": "2025-09-28T08:48:32.726Z",
"group": "Burst",
"search": "AllSky",
"area_50": 387.75366408755923,
"area_90": 1798.6062816875308,
"duration": 0.066557,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "3af0181e1c48b9f51cc83e8bd98e094b",
"classification": {},
"skymap_version": 0,
"central_frequency": 400.104523
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-28T08:55:49Z",
"superevent_id": "S250928bw",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-28T08:55:49.837863Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-28T08:55:49.837883Z",
"modified": "2025-09-28T08:55:49.843595Z"
}
},
{
"id": 10633,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782760,
"topic": "igwn.gwalert",
"uuid": "1bd5f99c-17fc-4671-a189-1227d453d2a1",
"title": "S250928dt - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250928dt/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250928dt/view/"
},
"event": {
"far": 2.274279108472769e-05,
"time": "2025-09-28T17:00:04.303Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1176.8995139973588,
"area_90": 4199.82540063668,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.012110860154338415,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "2ce5c85fcbec061b411ba0befc695854",
"classification": {
"BBH": 0.04656927412944303,
"BNS": 2.690062208547452e-13,
"NSBH": 2.075146821877453e-11,
"Terrestrial": 0.9534307258495365
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-09-28T17:00:30Z",
"superevent_id": "S250928dt",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-28T17:00:31.694820Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-28T17:00:31.694849Z",
"modified": "2025-09-28T17:00:31.715296Z"
}
}
]
}