HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 11124,
"next": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=7000&ordering=sequence_number",
"previous": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=6800&ordering=sequence_number",
"results": [
{
"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": 745,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1375,
"topic": "igwn.gwalert",
"uuid": "413cd9e4-e44e-46c7-ad13-d9def4d8e221",
"title": "S230720n - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230720n/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230720n/view/"
},
"event": {
"far": 2.28205e-05,
"time": "2023-07-20T05:08:08.736Z",
"group": "Burst",
"search": "AllSky",
"area_50": 484.2724332868433,
"area_90": 1837.2137893672445,
"duration": 0.007463,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "92adcf7ff3617626c008acf671a81cba",
"classification": {},
"skymap_version": 0,
"central_frequency": 68.756355
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-20T05:13:55Z",
"superevent_id": "S230720n",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-20T05:13:55.613820Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-20T05:13:55.613845Z",
"modified": "2023-07-20T05:13:55.618456Z"
}
},
{
"id": 6186,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 145572,
"topic": "igwn.gwalert",
"uuid": "54864726-93c4-480c-96b2-024bc4639bae",
"title": "S241116aq - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241116aq/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241116aq/view/"
},
"event": {
"far": 1.098196156575839e-06,
"time": "2024-11-16T09:42:20.327Z",
"group": "CBC",
"search": "AllSky",
"area_50": 743.4043462457912,
"area_90": 3540.1405955007026,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.059442968908486146,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "101f893719fb82e2992a8ef7e2424b52",
"classification": {
"BBH": 0.6045219711489994,
"BNS": 1.0488581919596961e-15,
"NSBH": 7.569621047839093e-14,
"Terrestrial": 0.39547802885092387
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-16T09:47:23Z",
"superevent_id": "S241116aq",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-16T09:47:24.956880Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-16T09:47:24.956907Z",
"modified": "2024-11-16T09:47:24.963866Z"
}
},
{
"id": 747,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1378,
"topic": "igwn.gwalert",
"uuid": "8a89434c-c4ec-40e5-88c6-c2bb82208d01",
"title": "S230720p - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230720p/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230720p/view/"
},
"event": {
"far": 4.0177151463021e-06,
"time": "2023-07-20T05:55:04.234Z",
"group": "CBC",
"search": "AllSky",
"area_50": 586.4564345913029,
"area_90": 1870.785535175691,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.25727705627705627,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "3579c80b6dbc36f88933d79369df59f8",
"classification": {
"BBH": 0.0,
"BNS": 0.005484247362536659,
"NSBH": 0.0019501906072750908,
"Terrestrial": 0.9925655620301882
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-20T06:00:04Z",
"superevent_id": "S230720p",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-20T06:00:05.455538Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-20T06:00:05.455557Z",
"modified": "2023-07-20T06:00:05.460494Z"
}
},
{
"id": 8752,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 228790,
"topic": "igwn.gwalert",
"uuid": "7d76ffa8-c6cc-46e7-ac85-1d4b47dde6b9",
"title": "S250615ce - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250615ce/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250615ce/view/"
},
"event": {
"far": 5.01671e-06,
"time": "2025-06-15T13:31:59.440Z",
"group": "Burst",
"search": "AllSky",
"area_50": 313.0565296637653,
"area_90": 1498.9784503471444,
"duration": 0.047136,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "e8d81776b6486452ab2a785b365cc0cc",
"classification": {},
"skymap_version": 0,
"central_frequency": 1501.628052
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-15T13:34:38Z",
"superevent_id": "S250615ce",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-15T14:48:37.269188Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-15T14:48:37.269204Z",
"modified": "2025-06-15T14:48:37.275764Z"
}
},
{
"id": 749,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1384,
"topic": "igwn.gwalert",
"uuid": "ea876bb3-2ac4-4671-8b7f-b64b5fbe9338",
"title": "S230720ae - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230720ae/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230720ae/view/"
},
"event": {
"far": 1.157072820713256e-05,
"time": "2023-07-20T08:24:19.785Z",
"group": "CBC",
"search": "AllSky",
"area_50": 544.0721055081391,
"area_90": 2129.2879779007303,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.33521831290925413,
"HasMassGap": 0.8926800519057118,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "e2a2670a8622b8856709f56deecce1ef",
"classification": {
"BBH": 0.000769520085004583,
"BNS": 0.0,
"NSBH": 0.0015451519383564277,
"Terrestrial": 0.997685327976639
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-20T08:29:20Z",
"superevent_id": "S230720ae",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-20T08:29:21.721466Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-20T08:29:21.721525Z",
"modified": "2023-07-20T08:29:21.727950Z"
}
},
{
"id": 6188,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 145601,
"topic": "igwn.gwalert",
"uuid": "693408f9-6edb-4331-a26d-f4fce79ecae9",
"title": "S241116bs - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241116bs/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241116bs/view/"
},
"event": {
"far": 1.639441499842955e-05,
"time": "2024-11-16T12:20:29.535Z",
"group": "CBC",
"search": "AllSky",
"area_50": 227.50103370505195,
"area_90": 9534.375809598858,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.018157865123382366,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "b20af49c514785085144aaebca8684f2",
"classification": {
"BBH": 0.0695433195261357,
"BNS": 1.359581551689003e-15,
"NSBH": 1.0443405507448122e-13,
"Terrestrial": 0.9304566804737585
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-16T12:25:29Z",
"superevent_id": "S241116bs",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-16T12:25:31.260491Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-16T12:25:31.260517Z",
"modified": "2024-11-16T12:25:31.276766Z"
}
},
{
"id": 751,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1387,
"topic": "igwn.gwalert",
"uuid": "77a37650-ce78-4a5e-9541-1f8a4a2265b6",
"title": "S230720af - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230720af/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230720af/view/"
},
"event": {
"far": 8.68826e-06,
"time": "2023-07-20T08:35:01.105Z",
"group": "Burst",
"search": "BBH",
"area_50": 543.8622820968361,
"area_90": 1949.6791378255407,
"duration": 0.006459,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f50c0219d11591421cba0f585cd1a237",
"classification": {},
"skymap_version": 0,
"central_frequency": 106.493034
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-20T08:43:27Z",
"superevent_id": "S230720af",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-20T08:43:27.846080Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-20T08:43:27.846098Z",
"modified": "2023-07-20T08:43:27.850824Z"
}
},
{
"id": 10012,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5773479,
"topic": "igwn.gwalert",
"uuid": "8bb07781-a898-4215-b37f-92932f735521",
"title": "S250828ek - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250828ek/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250828ek/view/"
},
"event": {
"far": 1.130839464099594e-05,
"time": "2025-08-28T23:26:20.111Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1530.451962042563,
"area_90": 5364.76498018978,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.015682288725766987,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "4bdc2583693f4e3ed59b55a22fcadcc3",
"classification": {
"BBH": 0.130458583788268,
"BNS": 4.707092590891929e-15,
"NSBH": 3.5748703559618024e-13,
"Terrestrial": 0.8695414162113698
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-08-28T23:31:24Z",
"superevent_id": "S250828ek",
"external_coinc": null
},
"message_text": "",
"published": "2025-08-28T23:31:25.193573Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-08-28T23:31:25.193594Z",
"modified": "2025-08-28T23:31:25.205153Z"
}
},
{
"id": 753,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1390,
"topic": "igwn.gwalert",
"uuid": "98ae5b23-34a3-4fc9-873c-0d386a6d2140",
"title": "S230720ah - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230720ah/files/cwb.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230720ah/view/"
},
"event": {
"far": 1.57203e-06,
"time": "2023-07-20T09:08:44.853Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1679.846230890151,
"area_90": 5588.646560049859,
"duration": 0.023236,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "13b3f38d15cd551513fe57da57d71e5a",
"classification": {},
"skymap_version": 1,
"central_frequency": 35.16185
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-20T09:14:31Z",
"superevent_id": "S230720ah",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-20T09:14:32.495735Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-20T09:14:32.495754Z",
"modified": "2023-07-20T09:14:32.500477Z"
}
},
{
"id": 6190,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 145621,
"topic": "igwn.gwalert",
"uuid": "f61844d9-b278-42f2-9d27-7f93142d5fbe",
"title": "S241116cb - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241116cb/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241116cb/view/"
},
"event": {
"far": 1.6487e-05,
"time": "2024-11-16T13:25:54.412Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1469.6031727647535,
"area_90": 6913.261755604382,
"duration": 0.098882,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "29f944904c82370e43f3584c02e6022c",
"classification": {},
"skymap_version": 0,
"central_frequency": 1744.344849
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-16T13:33:24Z",
"superevent_id": "S241116cb",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-16T13:33:25.618617Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-16T13:33:25.618643Z",
"modified": "2024-11-16T13:33:25.626958Z"
}
},
{
"id": 755,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1393,
"topic": "igwn.gwalert",
"uuid": "9267345c-5ee1-437b-a92d-f6e93d394556",
"title": "S230720aj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230720aj/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230720aj/view/"
},
"event": {
"far": 1.05054e-06,
"time": "2023-07-20T09:30:04.648Z",
"group": "Burst",
"search": "BBH",
"area_50": 885.4547956977812,
"area_90": 2924.0990599157058,
"duration": 0.020412,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "d7569da8cddc6edd6ef71f99a82e6a07",
"classification": {},
"skymap_version": 0,
"central_frequency": 58.788136
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-20T09:35:57Z",
"superevent_id": "S230720aj",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-20T09:35:58.628357Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-20T09:35:58.628376Z",
"modified": "2023-07-20T09:35:58.633077Z"
}
},
{
"id": 77,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 243,
"topic": "igwn.gwalert",
"uuid": "702649ed-866a-4646-99e9-c67bd0c59882",
"title": "S230613aw - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230613aw/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230613aw/view/"
},
"event": {
"far": 4.82163e-06,
"time": "2023-06-13T22:16:19.831Z",
"group": "Burst",
"search": "AllSky",
"area_50": 336.55675172967796,
"area_90": 1182.5647461025342,
"duration": 0.008671,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "b9680a9c565161d66aea7b9f2bf540cf",
"classification": {},
"skymap_version": 0,
"central_frequency": 45.103546
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-06-13T22:21:51Z",
"superevent_id": "S230613aw",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-13T22:21:51.495900Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-13T22:21:51.495926Z",
"modified": "2023-06-13T22:21:51.501280Z"
}
},
{
"id": 757,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1396,
"topic": "igwn.gwalert",
"uuid": "b21b0907-7f54-4245-bf3b-f8664d644823",
"title": "S230720aq - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230720aq/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230720aq/view/"
},
"event": {
"far": 1.480240230592327e-05,
"time": "2023-07-20T10:44:58.143Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1049.5367033365642,
"area_90": 4738.651920862249,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.04264138160689884,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "78aa517278caf815e0003cdc6f27e245",
"classification": {
"BBH": 0.1106795965280529,
"BNS": 8.083892916979868e-14,
"NSBH": 5.710252089789934e-12,
"Terrestrial": 0.889320403466156
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-20T10:49:57Z",
"superevent_id": "S230720aq",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-20T10:49:58.009091Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-20T10:49:58.009109Z",
"modified": "2023-07-20T10:49:58.014855Z"
}
},
{
"id": 8754,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 229133,
"topic": "igwn.gwalert",
"uuid": "aac0aa64-6cce-4eea-be94-3fd526823d32",
"title": "S250615cl - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250615cl/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250615cl/view/"
},
"event": {
"far": 2.196132641250677e-05,
"time": "2025-06-15T14:43:44.504Z",
"group": "CBC",
"search": "AllSky",
"area_50": 786.2083221515607,
"area_90": 2935.0098773034506,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "12a3089286883b134f16aa2752cf9308",
"classification": {
"BBH": 0.046621838373268165,
"BNS": 1.490052203075611e-15,
"NSBH": 1.0654774282256812e-13,
"Terrestrial": 0.9533781616266238
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-15T14:48:41Z",
"superevent_id": "S250615cl",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-15T14:48:50.609485Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-15T14:48:50.609500Z",
"modified": "2025-06-15T14:48:50.615427Z"
}
},
{
"id": 759,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1400,
"topic": "igwn.gwalert",
"uuid": "49826120-1244-400f-bec5-034275cddd23",
"title": "S230721g - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230721g/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230721g/view/"
},
"event": {
"far": 1.835283e-05,
"time": "2023-07-21T04:39:52.189Z",
"group": "CBC",
"search": "AllSky",
"area_50": 568.4116212192628,
"area_90": 1887.9910549025203,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 0.1878106995102373
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "2c97fe359ed7d5563f1f7e0299e89f6a",
"classification": {
"BBH": 0.0,
"BNS": 0.0,
"NSBH": 0.00106305,
"Terrestrial": 0.99893695
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-21T04:44:59Z",
"superevent_id": "S230721g",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-21T04:45:01.400435Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-21T04:45:01.400473Z",
"modified": "2023-07-21T04:45:01.407370Z"
}
},
{
"id": 6193,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 145648,
"topic": "igwn.gwalert",
"uuid": "efbfad3e-eac8-4003-bb22-bac5bdf8875b",
"title": "S241116cq - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241116cq/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241116cq/view/"
},
"event": {
"far": 6.968600852936471e-09,
"time": "2024-11-16T15:17:53.684Z",
"group": "CBC",
"search": "AllSky",
"area_50": 578.6929683730997,
"area_90": 2221.610278873959,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": true,
"skymap_hash": "ca220c1bdf7bae80d7cf4e05b648f825",
"classification": {
"BBH": 0.9999170564456038,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 8.29435543961976e-05
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-16T15:23:32Z",
"superevent_id": "S241116cq",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-16T15:23:32.617470Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-16T15:23:32.617495Z",
"modified": "2024-11-16T15:23:32.625161Z"
}
},
{
"id": 761,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1403,
"topic": "igwn.gwalert",
"uuid": "33be6a12-82d1-4085-9997-bc2fbf2a91d6",
"title": "S230721p - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230721p/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230721p/view/"
},
"event": {
"far": 6.998692538437788e-06,
"time": "2023-07-21T06:06:30.702Z",
"group": "CBC",
"search": "AllSky",
"area_50": 382.77035806911783,
"area_90": 1822.9457973986543,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.5851113882021514,
"HasRemnant": 0.9264889454359604
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "427146c4c0e1da71e135c9d6463d9f20",
"classification": {
"BBH": 0.000260658439228393,
"BNS": 0.0,
"NSBH": 0.002633035481317414,
"Terrestrial": 0.9971063060794542
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-21T06:11:36Z",
"superevent_id": "S230721p",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-21T06:11:37.575731Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-21T06:11:37.575763Z",
"modified": "2023-07-21T06:11:37.583377Z"
}
},
{
"id": 763,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1406,
"topic": "igwn.gwalert",
"uuid": "060ab5a3-5a59-4763-92ed-8ef93893f9e7",
"title": "S230721s - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230721s/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230721s/view/"
},
"event": {
"far": 2.09469e-05,
"time": "2023-07-21T07:01:57.738Z",
"group": "Burst",
"search": "BBH",
"area_50": 870.3475100839802,
"area_90": 2806.5979495861425,
"duration": 0.005337,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "0feac087db14a87b4b2fda4935179350",
"classification": {},
"skymap_version": 0,
"central_frequency": 136.406555
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-21T07:07:49Z",
"superevent_id": "S230721s",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-21T07:07:50.156473Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-21T07:07:50.156496Z",
"modified": "2023-07-21T07:07:50.161999Z"
}
},
{
"id": 11031,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5794225,
"topic": "igwn.gwalert",
"uuid": "9db20de5-6959-41fb-b8ed-0a4878e5c870",
"title": "S251110w - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S251110w/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S251110w/view/"
},
"event": {
"far": 1.65630972090931e-06,
"time": "2025-11-10T03:47:20.202Z",
"group": "CBC",
"search": "AllSky",
"area_50": 354.44419754324093,
"area_90": 1374.3433440332858,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.4810206669862866,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "bc4ca4bc1d909b9d1ed553f80697d8e8",
"classification": {
"BBH": 0.0,
"BNS": 0.015987273200644858,
"NSBH": 0.0,
"Terrestrial": 0.9840127267993551
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-11-10T03:52:26Z",
"superevent_id": "S251110w",
"external_coinc": null
},
"message_text": "",
"published": "2025-11-10T03:52:27.654165Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-11-10T03:52:27.654188Z",
"modified": "2025-11-10T03:52:27.659822Z"
}
},
{
"id": 765,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1409,
"topic": "igwn.gwalert",
"uuid": "d2758ac6-0d3d-4b5f-aa6a-565ac232694b",
"title": "S230721u - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230721u/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230721u/view/"
},
"event": {
"far": 7.33825345272633e-06,
"time": "2023-07-21T07:53:21.976Z",
"group": "CBC",
"search": "AllSky",
"area_50": 663.2518031281246,
"area_90": 2421.3621664342168,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.47767357017179335,
"HasRemnant": 0.00024831586877339045
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "5838f3862e6f5a6ed75ac9c2d5852da7",
"classification": {
"BBH": 0.0,
"BNS": 0.0015013154849678734,
"NSBH": 0.0013091450333851677,
"Terrestrial": 0.997189539481647
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-21T07:58:29Z",
"superevent_id": "S230721u",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-21T07:58:30.231512Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-21T07:58:30.231535Z",
"modified": "2023-07-21T07:58:30.237999Z"
}
},
{
"id": 8756,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 230634,
"topic": "igwn.gwalert",
"uuid": "ddfcd051-1203-472c-ac51-9a8c2fda5b0d",
"title": "S250615cy - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250615cy/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250615cy/view/"
},
"event": {
"far": 1.136374841861824e-05,
"time": "2025-06-15T19:23:01.922Z",
"group": "CBC",
"search": "AllSky",
"area_50": 774.0385642959989,
"area_90": 3352.9781126186126,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.020090658134136394,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "4237bf76cdd9c7d2aa35c88e0b7e80f7",
"classification": {
"BBH": 0.09943217673023859,
"BNS": 1.865546713256457e-15,
"NSBH": 1.4814666635702253e-13,
"Terrestrial": 0.9005678232696114
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-15T19:27:59Z",
"superevent_id": "S250615cy",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-15T19:28:01.024831Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-15T19:28:01.024847Z",
"modified": "2025-06-15T19:28:01.030351Z"
}
},
{
"id": 767,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1412,
"topic": "igwn.gwalert",
"uuid": "0537f4fa-973a-41e8-b2ae-db1ab78bf4ff",
"title": "S230721v - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230721v/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230721v/view/"
},
"event": {
"far": 2.287189826309018e-05,
"time": "2023-07-21T08:18:51.224Z",
"group": "CBC",
"search": "AllSky",
"area_50": 603.8717777294346,
"area_90": 1899.7411659354766,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.48863969621709563,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "1093501c2de1dcea5276b5ced13c497c",
"classification": {
"BBH": 0.02410652600416275,
"BNS": 0.0,
"NSBH": 0.00026783908652045765,
"Terrestrial": 0.9756256349093168
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-21T08:23:52Z",
"superevent_id": "S230721v",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-21T08:23:53.903982Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-21T08:23:53.904016Z",
"modified": "2023-07-21T08:23:53.910517Z"
}
},
{
"id": 6197,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 145675,
"topic": "igwn.gwalert",
"uuid": "811b1c4d-0d42-4a13-9fb3-d32562792b81",
"title": "S241116cw - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241116cw/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241116cw/view/"
},
"event": {
"far": 2.031778284708258e-05,
"time": "2024-11-16T16:10:26.423Z",
"group": "CBC",
"search": "AllSky",
"area_50": 717.1764198329422,
"area_90": 2901.438131495004,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "5c4f0382359b011e71a51875c6aa1e6e",
"classification": {
"BBH": 0.05023288525409072,
"BNS": 1.5346107164882368e-15,
"NSBH": 9.959845426051629e-14,
"Terrestrial": 0.9497671147458081
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-16T16:15:26Z",
"superevent_id": "S241116cw",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-16T16:15:28.014362Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-16T16:15:28.014388Z",
"modified": "2024-11-16T16:15:28.019748Z"
}
},
{
"id": 769,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1414,
"topic": "igwn.gwalert",
"uuid": "68d2afa4-abe9-468f-a2d7-7c23d54ccaf5",
"title": "S230721w - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230721w/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230721w/view/"
},
"event": {
"far": 9.300129e-06,
"time": "2023-07-21T08:25:42.542Z",
"group": "CBC",
"search": "AllSky",
"area_50": 896.5754364968292,
"area_90": 3237.994883224682,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.026260429225946468,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "ea62f8b8fe1cab1dbbf9b7c452014156",
"classification": {
"BBH": 0.052231899,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.947768101
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-21T08:30:39Z",
"superevent_id": "S230721w",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-21T08:30:40.914236Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-21T08:30:40.914260Z",
"modified": "2023-07-21T08:30:40.920407Z"
}
},
{
"id": 6198,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 145682,
"topic": "igwn.gwalert",
"uuid": "f3f42426-796e-4b06-a9df-ef8446d7445c",
"title": "S241116cz - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241116cz/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241116cz/view/"
},
"event": {
"far": 2.265840567332294e-05,
"time": "2024-11-16T16:14:12.288Z",
"group": "CBC",
"search": "AllSky",
"area_50": 133.08049861879567,
"area_90": 804.4629589349037,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.4730632327101503,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "a968f3b6538d94ccd428f5c0c1d0648a",
"classification": {
"BBH": 0.0,
"BNS": 0.0013669161581442459,
"NSBH": 9.918564945429523e-05,
"Terrestrial": 0.9985338981924015
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-16T16:19:18Z",
"superevent_id": "S241116cz",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-16T16:19:19.864706Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-16T16:19:19.864744Z",
"modified": "2024-11-16T16:19:19.879232Z"
}
},
{
"id": 771,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1418,
"topic": "igwn.gwalert",
"uuid": "7de292e9-1436-4ce4-825c-553f558a3f9c",
"title": "S230721x - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230721x/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230721x/view/"
},
"event": {
"far": 1.536558374937158e-05,
"time": "2023-07-21T08:55:45.409Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1806.5795713170369,
"area_90": 7222.961110687304,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.45594227994228,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "019a28490ebcb74f04546bfff6b23a03",
"classification": {
"BBH": 0.0,
"BNS": 0.15568001189440062,
"NSBH": 0.0,
"Terrestrial": 0.8443199881055994
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-21T09:00:43Z",
"superevent_id": "S230721x",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-21T09:00:45.190161Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-21T09:00:45.190184Z",
"modified": "2023-07-21T09:00:45.195692Z"
}
},
{
"id": 10014,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5773487,
"topic": "igwn.gwalert",
"uuid": "24ceb01d-4f2a-4ddb-950a-b9e6b30f8275",
"title": "S250828eo - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250828eo/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250828eo/view/"
},
"event": {
"far": 1.3705e-05,
"time": "2025-08-28T23:47:28.711Z",
"group": "CBC",
"search": "BBH",
"area_50": 918.1872478610165,
"area_90": 3082.7255588606167,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "ff3ffac1b53c7193ad2d406f9c0a7181",
"classification": {
"BBH": 0.0011951617767322897,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9988048382232677
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-08-28T23:53:16Z",
"superevent_id": "S250828eo",
"external_coinc": null
},
"message_text": "",
"published": "2025-08-28T23:53:17.229816Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-08-28T23:53:17.229834Z",
"modified": "2025-08-28T23:53:17.243713Z"
}
},
{
"id": 773,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1421,
"topic": "igwn.gwalert",
"uuid": "cb731283-81d6-44b8-a1a0-d018713bf33a",
"title": "S230721aj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230721aj/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230721aj/view/"
},
"event": {
"far": 1.9421e-05,
"time": "2023-07-21T22:26:34.820Z",
"group": "Burst",
"search": "BBH",
"area_50": 1447.7815379892631,
"area_90": 5098.70889465784,
"duration": 0.010487,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "17645cd3f0b7fea4aadfce6a6bc0c76b",
"classification": {},
"skymap_version": 0,
"central_frequency": 55.016563
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-21T22:32:08Z",
"superevent_id": "S230721aj",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-21T22:32:09.537728Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-21T22:32:09.537755Z",
"modified": "2023-07-21T22:32:09.543171Z"
}
},
{
"id": 6200,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 145709,
"topic": "igwn.gwalert",
"uuid": "6b51354e-90c7-4f8b-bdbc-fe3957a3d9de",
"title": "S241116dp - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241116dp/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241116dp/view/"
},
"event": {
"far": 3.637590535089241e-06,
"time": "2024-11-16T17:54:43.674Z",
"group": "CBC",
"search": "AllSky",
"area_50": 788.0967328532857,
"area_90": 3164.9763360913107,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "401da1b8505c1882fbc1f5315c7853d2",
"classification": {
"BBH": 0.3245824080945679,
"BNS": 6.017887703644299e-21,
"NSBH": 4.947057519093561e-19,
"Terrestrial": 0.6754175919054322
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-16T17:59:47Z",
"superevent_id": "S241116dp",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-16T17:59:48.635477Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-16T17:59:48.635503Z",
"modified": "2024-11-16T17:59:48.646739Z"
}
},
{
"id": 775,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1424,
"topic": "igwn.gwalert",
"uuid": "8edc0f9a-fe1e-4ffd-b1df-729a8ba9b817",
"title": "S230721ak - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230721ak/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230721ak/view/"
},
"event": {
"far": 5.75968e-06,
"time": "2023-07-21T22:36:19.582Z",
"group": "Burst",
"search": "BBH",
"area_50": 360.0569737955907,
"area_90": 1121.296310002119,
"duration": 0.02614,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "5d1118dda1b768fc57b1d567c4265f58",
"classification": {},
"skymap_version": 0,
"central_frequency": 131.690659
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-21T22:42:09Z",
"superevent_id": "S230721ak",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-21T22:42:10.140294Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-21T22:42:10.140321Z",
"modified": "2023-07-21T22:42:10.145702Z"
}
},
{
"id": 8758,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 234954,
"topic": "igwn.gwalert",
"uuid": "83f245f9-1104-4856-afb4-65f93d50da86",
"title": "S250616ad - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250616ad/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250616ad/view/"
},
"event": {
"far": 1.497615674212893e-06,
"time": "2025-06-16T11:01:08.302Z",
"group": "CBC",
"search": "AllSky",
"area_50": 313.4761764863709,
"area_90": 1151.0912344071153,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.5218853327614937,
"HasRemnant": 0.15480260835004217
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "07b1e8c8e31293d5e4a5b17bc696af62",
"classification": {
"BBH": 0.003260254251760071,
"BNS": 0.0,
"NSBH": 0.0160794089531359,
"Terrestrial": 0.980660336795104
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-16T11:06:07Z",
"superevent_id": "S250616ad",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-16T11:06:08.758071Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-16T11:06:08.758087Z",
"modified": "2025-06-16T11:06:08.763556Z"
}
},
{
"id": 777,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1427,
"topic": "igwn.gwalert",
"uuid": "6e69afd8-72e2-4e52-9e6f-01a6e2b0971d",
"title": "S230722c - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230722c/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230722c/view/"
},
"event": {
"far": 1.63804e-05,
"time": "2023-07-22T00:44:08.492Z",
"group": "Burst",
"search": "BBH",
"area_50": 387.75366408755923,
"area_90": 1017.2238979959341,
"duration": 0.020667,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f8ff7996ba0c6608cb494e7d1f8b5b43",
"classification": {},
"skymap_version": 0,
"central_frequency": 101.278297
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-22T00:49:40Z",
"superevent_id": "S230722c",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-22T00:49:41.383958Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-22T00:49:41.383984Z",
"modified": "2023-07-22T00:49:41.389845Z"
}
},
{
"id": 6202,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 145796,
"topic": "igwn.gwalert",
"uuid": "5ed8eb5a-d73f-4cf4-8428-f15cc412e86e",
"title": "S241117b - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241117b/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241117b/view/"
},
"event": {
"far": 1.47858e-05,
"time": "2024-11-17T00:10:23.608Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1427.6384905041953,
"area_90": 7452.927569475163,
"duration": 0.006753,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "023ddd375bb1c551b1e57dd002bc141c",
"classification": {},
"skymap_version": 0,
"central_frequency": 1211.584106
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-17T00:17:15Z",
"superevent_id": "S241117b",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-17T00:17:16.986248Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-17T00:17:16.986277Z",
"modified": "2024-11-17T00:17:16.999946Z"
}
},
{
"id": 779,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1430,
"topic": "igwn.gwalert",
"uuid": "a628efef-a09d-4611-b632-5393c2423fac",
"title": "S230722g - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230722g/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230722g/view/"
},
"event": {
"far": 1.76668e-05,
"time": "2023-07-22T00:55:41.289Z",
"group": "Burst",
"search": "BBH",
"area_50": 1215.2971982657698,
"area_90": 4713.473111505913,
"duration": 0.018115,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "359f4c6ac56a32f3144f12f693e37394",
"classification": {},
"skymap_version": 0,
"central_frequency": 50.64748
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-22T01:02:18Z",
"superevent_id": "S230722g",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-22T01:02:19.352132Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-22T01:02:19.352157Z",
"modified": "2023-07-22T01:02:19.357644Z"
}
},
{
"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": 781,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1433,
"topic": "igwn.gwalert",
"uuid": "55ec9c66-f20d-424f-be3a-3ab05a814438",
"title": "S230722h - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230722h/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230722h/view/"
},
"event": {
"far": 1.21795e-05,
"time": "2023-07-22T01:14:00.613Z",
"group": "Burst",
"search": "BBH",
"area_50": 505.25477441712246,
"area_90": 2143.55596986932,
"duration": 0.006221,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "b44228fb2e6e0ed3898660c0a3b1d651",
"classification": {},
"skymap_version": 0,
"central_frequency": 164.340057
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-22T01:19:38Z",
"superevent_id": "S230722h",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-22T01:19:39.823547Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-22T01:19:39.823573Z",
"modified": "2023-07-22T01:19:39.829189Z"
}
},
{
"id": 6204,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 145902,
"topic": "igwn.gwalert",
"uuid": "f8dd17aa-0d59-4139-be24-c492de2712fc",
"title": "S241117aa - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241117aa/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241117aa/view/"
},
"event": {
"far": 1.978987615858691e-05,
"time": "2024-11-17T08:18:39.755Z",
"group": "CBC",
"search": "AllSky",
"area_50": 280.2716216477041,
"area_90": 1013.8667234150896,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "7cd609b37405cf70bd8122917d2b1d01",
"classification": {
"BBH": 0.0,
"BNS": 0.0030253030289116856,
"NSBH": 0.0,
"Terrestrial": 0.9969746969710883
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-17T08:23:44Z",
"superevent_id": "S241117aa",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-17T08:23:45.582150Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-17T08:23:45.582178Z",
"modified": "2024-11-17T08:23:45.593607Z"
}
},
{
"id": 783,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1436,
"topic": "igwn.gwalert",
"uuid": "7e82d1c4-fc2c-4b62-b3f9-07a99705d063",
"title": "S230722w - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230722w/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230722w/view/"
},
"event": {
"far": 1.23306e-05,
"time": "2023-07-22T05:04:58.656Z",
"group": "Burst",
"search": "AllSky",
"area_50": 299.62783134038665,
"area_90": 1065.0636357729709,
"duration": 0.00829,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "2a02f6b9948749dbdf254c3318f37bdf",
"classification": {},
"skymap_version": 0,
"central_frequency": 1204.802856
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-22T05:10:45Z",
"superevent_id": "S230722w",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-22T05:10:46.229847Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-22T05:10:46.229870Z",
"modified": "2023-07-22T05:10:46.235751Z"
}
},
{
"id": 785,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1439,
"topic": "igwn.gwalert",
"uuid": "5fa51062-712a-4d38-bffc-91a99152a864",
"title": "S230722ac - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230722ac/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230722ac/view/"
},
"event": {
"far": 2.15348720963552e-05,
"time": "2023-07-22T06:57:05.722Z",
"group": "CBC",
"search": "AllSky",
"area_50": 375.89864134895146,
"area_90": 5566.195455040459,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.012106583072100312,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "e361e64ec659384d61a9f0b5e4934a92",
"classification": {
"BBH": 0.06594931959371073,
"BNS": 4.0887752166393676e-15,
"NSBH": 2.8321685149224703e-13,
"Terrestrial": 0.9340506804060019
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-22T07:02:02Z",
"superevent_id": "S230722ac",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-22T07:02:04.207357Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-22T07:02:04.207379Z",
"modified": "2023-07-22T07:02:04.213067Z"
}
},
{
"id": 787,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1442,
"topic": "igwn.gwalert",
"uuid": "dccccbdd-2bd6-45bb-9202-814adef7de0c",
"title": "S230722ao - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230722ao/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230722ao/view/"
},
"event": {
"far": 1.389705514992221e-05,
"time": "2023-07-22T10:15:19.032Z",
"group": "CBC",
"search": "AllSky",
"area_50": 449.7564821275341,
"area_90": 1765.8738295242954,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.04112820512820512,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "05a709096157d00b360dc45babfb1643",
"classification": {
"BBH": 0.11663293517005235,
"BNS": 1.9316387316355132e-16,
"NSBH": 1.217397185123014e-14,
"Terrestrial": 0.8833670648299353
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-22T10:20:17Z",
"superevent_id": "S230722ao",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-22T10:20:18.630784Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-22T10:20:18.630804Z",
"modified": "2023-07-22T10:20:18.636112Z"
}
},
{
"id": 789,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1445,
"topic": "igwn.gwalert",
"uuid": "fc72174a-e8ed-4094-9371-ea8bdd5f697e",
"title": "S230722ap - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230722ap/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230722ap/view/"
},
"event": {
"far": 1.31072e-05,
"time": "2023-07-22T10:49:55.430Z",
"group": "Burst",
"search": "BBH",
"area_50": 4890.56407064547,
"area_90": 15698.148340029667,
"duration": 0.060303,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "d195b4fd3ec6dcc3627b2fdfc98d828f",
"classification": {},
"skymap_version": 0,
"central_frequency": 21.317924
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-22T10:56:10Z",
"superevent_id": "S230722ap",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-22T10:56:12.378536Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-22T10:56:12.378557Z",
"modified": "2023-07-22T10:56:12.384028Z"
}
},
{
"id": 8760,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 235271,
"topic": "igwn.gwalert",
"uuid": "b7bdb1a5-59a8-4818-ae39-a2c5d45807e6",
"title": "S250616ak - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250616ak/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250616ak/view/"
},
"event": {
"far": 1.8846e-05,
"time": "2025-06-16T12:10:21.050Z",
"group": "Burst",
"search": "AllSky",
"area_50": 486.7903142224768,
"area_90": 1843.0888448837225,
"duration": 0.009363,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9940c2bf65f4d63d5058212be3a552f7",
"classification": {},
"skymap_version": 0,
"central_frequency": 1537.857422
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-16T12:16:34Z",
"superevent_id": "S250616ak",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-16T12:16:35.011748Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-16T12:16:35.011771Z",
"modified": "2025-06-16T12:16:35.102384Z"
}
},
{
"id": 791,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1449,
"topic": "igwn.gwalert",
"uuid": "175025fc-d4bc-4a83-8dfa-456f018b3f50",
"title": "S230722bn - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230722bn/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230722bn/view/"
},
"event": {
"far": 9.90439e-06,
"time": "2023-07-22T14:29:37.324Z",
"group": "Burst",
"search": "BBH",
"area_50": 2186.3599457750897,
"area_90": 7231.354047139414,
"duration": 0.021895,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "461b1131cb51482e6a6de47cb89bacd7",
"classification": {},
"skymap_version": 0,
"central_frequency": 30.549778
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-22T14:43:16Z",
"superevent_id": "S230722bn",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-22T14:43:17.539941Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-22T14:43:17.539960Z",
"modified": "2023-07-22T14:43:17.545428Z"
}
},
{
"id": 6209,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 145917,
"topic": "igwn.gwalert",
"uuid": "1a7aca33-a5a4-4b23-9f25-b9bde51d5da9",
"title": "S241117ae - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241117ae/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241117ae/view/"
},
"event": {
"far": 3.676887213676662e-06,
"time": "2024-11-17T08:59:09.106Z",
"group": "CBC",
"search": "AllSky",
"area_50": 402.80849384853445,
"area_90": 1717.1947981020476,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "cd37b63de7cc17179171ddf55810be25",
"classification": {
"BBH": 0.0,
"BNS": 0.010979388031538861,
"NSBH": 0.0,
"Terrestrial": 0.9890206119684611
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-17T09:04:14Z",
"superevent_id": "S241117ae",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-17T09:04:15.242506Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-17T09:04:15.242551Z",
"modified": "2024-11-17T09:04:15.254283Z"
}
},
{
"id": 793,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1452,
"topic": "igwn.gwalert",
"uuid": "ba19aec0-5327-4ec8-9f46-fff727a1b063",
"title": "S230722bv - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230722bv/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230722bv/view/"
},
"event": {
"far": 2.097137075774386e-05,
"time": "2023-07-22T21:10:02.843Z",
"group": "CBC",
"search": "AllSky",
"area_50": 571.5589723888048,
"area_90": 2199.7886440984685,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6814b2bbaefe7a9ea845dd7e82d1be3f",
"classification": {
"BBH": 0.0,
"BNS": 0.002304294696671288,
"NSBH": 0.0,
"Terrestrial": 0.9976957053033287
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-22T21:15:05Z",
"superevent_id": "S230722bv",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-22T21:15:06.511668Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-22T21:15:06.511699Z",
"modified": "2023-07-22T21:15:06.517564Z"
}
},
{
"id": 10016,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5773494,
"topic": "igwn.gwalert",
"uuid": "ac4136be-077d-474c-8d1b-2bfe99b7ce21",
"title": "S250829d - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250829d/view/"
},
"event": {
"far": 2.3101284654381837e-05,
"time": "2025-08-29T00:23:33.415Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7107.977881293374,
"area_90": 22647.499722378132,
"duration": 0.21875,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "05a50d98e18e5af48c4d9fd35b7a769e",
"classification": {},
"skymap_version": 0,
"central_frequency": 328.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-08-29T00:29:07Z",
"superevent_id": "S250829d",
"external_coinc": null
},
"message_text": "",
"published": "2025-08-29T00:29:08.424958Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-08-29T00:29:08.424975Z",
"modified": "2025-08-29T00:29:08.437819Z"
}
},
{
"id": 795,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1455,
"topic": "igwn.gwalert",
"uuid": "59d658ac-3283-448c-95d8-d5852f9a162d",
"title": "S230723g - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230723g/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230723g/view/"
},
"event": {
"far": 1.987001506839567e-05,
"time": "2023-07-23T03:21:53.409Z",
"group": "CBC",
"search": "AllSky",
"area_50": 555.8222165410953,
"area_90": 2151.948906321432,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.9714578823495671,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "5a97f67f2d821c3c176d7d72080d6cfc",
"classification": {
"BBH": 2.965633113506569e-06,
"BNS": 8.661205649328323e-06,
"NSBH": 0.0010139001986872495,
"Terrestrial": 0.9989744729625499
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-23T03:26:56Z",
"superevent_id": "S230723g",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-23T03:26:58.178286Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-23T03:26:58.178316Z",
"modified": "2023-07-23T03:26:58.183763Z"
}
},
{
"id": 6211,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 145919,
"topic": "igwn.gwalert",
"uuid": "771e38d5-3858-4df7-9006-fc321de6b9d9",
"title": "S241117af - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241117af/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241117af/view/"
},
"event": {
"far": 2.11132e-05,
"time": "2024-11-17T09:01:21.470Z",
"group": "Burst",
"search": "AllSky",
"area_50": 542.1836948064139,
"area_90": 3007.1891307916117,
"duration": 0.129199,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "01afac7313c335c327c0cd2633966803",
"classification": {},
"skymap_version": 0,
"central_frequency": 1001.413696
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-17T09:10:31Z",
"superevent_id": "S241117af",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-17T09:10:31.725943Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-17T09:10:31.725999Z",
"modified": "2024-11-17T09:10:31.752319Z"
}
},
{
"id": 797,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1458,
"topic": "igwn.gwalert",
"uuid": "808a010e-5ae1-4e29-a7df-73adc99990df",
"title": "S230723i - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230723i/files/olib.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230723i/view/"
},
"event": {
"far": 2.008242108719702e-06,
"time": "2023-07-23T04:04:13.594Z",
"group": "Burst",
"search": "AllSky",
"area_50": 3311.852724003265,
"area_90": 18981.46508009575,
"duration": 0.004520229986316915,
"pipeline": "oLIB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f55d2cecfcf1f428c19749d6222edb6c",
"classification": {},
"skymap_version": 0,
"central_frequency": 795.7204644756005
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-23T04:23:40Z",
"superevent_id": "S230723i",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-23T04:23:41.981465Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-23T04:23:41.981486Z",
"modified": "2023-07-23T04:23:41.995265Z"
}
},
{
"id": 8762,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 237686,
"topic": "igwn.gwalert",
"uuid": "64d3e99a-4846-4296-a92e-1adb79323ee9",
"title": "S250616ax - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250616ax/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250616ax/view/"
},
"event": {
"far": 1.624224819105673e-05,
"time": "2025-06-16T21:12:05.045Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1114.7917842517327,
"area_90": 12921.764961671126,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.016757324800803063,
"HasRemnant": 0.0
},
"instruments": [
"L1",
"V1"
],
"significant": false,
"skymap_hash": "ab0aa52e98ce3d428bcec26cbf79c7e9",
"classification": {
"BBH": 0.0675630323638685,
"BNS": 4.889024215879666e-15,
"NSBH": 3.5118772199899913e-13,
"Terrestrial": 0.9324369676357754
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-16T21:17:09Z",
"superevent_id": "S250616ax",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-16T21:17:10.478869Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-16T21:17:10.478889Z",
"modified": "2025-06-16T21:17:10.482785Z"
}
},
{
"id": 799,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1462,
"topic": "igwn.gwalert",
"uuid": "95ae3246-ff0b-4c5d-bb27-e328136b9af7",
"title": "S230723k - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230723k/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230723k/view/"
},
"event": {
"far": 1.00794e-05,
"time": "2023-07-23T05:10:43.992Z",
"group": "Burst",
"search": "BBH",
"area_50": 4830.974221835477,
"area_90": 15129.107248576496,
"duration": 0.054078,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "59cf392c4dc41c73b2e7fe7dc4a3a27e",
"classification": {},
"skymap_version": 0,
"central_frequency": 21.07539
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-23T05:17:23Z",
"superevent_id": "S230723k",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-23T05:17:23.777248Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-23T05:17:23.777269Z",
"modified": "2023-07-23T05:17:23.783480Z"
}
},
{
"id": 6213,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 145928,
"topic": "igwn.gwalert",
"uuid": "2d3b7921-cfd1-4602-9143-1f85a072f2a5",
"title": "S241117aj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241117aj/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241117aj/view/"
},
"event": {
"far": 1.37236e-05,
"time": "2024-11-17T09:31:46.340Z",
"group": "Burst",
"search": "AllSky",
"area_50": 464.96867944698647,
"area_90": 3702.1242690264576,
"duration": 0.069819,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "cb156e91d5df8e5c405b0e28dab13633",
"classification": {},
"skymap_version": 0,
"central_frequency": 1223.016479
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-17T09:39:41Z",
"superevent_id": "S241117aj",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-17T09:39:42.311590Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-17T09:39:42.311615Z",
"modified": "2024-11-17T09:39:42.323418Z"
}
},
{
"id": 801,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1465,
"topic": "igwn.gwalert",
"uuid": "c7a8d790-9daf-445a-955a-c03e535d6eca",
"title": "S230723y - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230723y/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230723y/view/"
},
"event": {
"far": 1.225447e-05,
"time": "2023-07-23T08:27:21.187Z",
"group": "CBC",
"search": "AllSky",
"area_50": 372.0169082398498,
"area_90": 1448.4110082231714,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.08383160055375334,
"HasMassGap": 0.20007763934464698,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "599cb0e40274262d2d49e912457b417b",
"classification": {
"BBH": 0.040521787,
"BNS": 0.0,
"NSBH": 5.0854e-05,
"Terrestrial": 0.959427359
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-23T08:32:26Z",
"superevent_id": "S230723y",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-23T08:32:27.787403Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-23T08:32:27.787422Z",
"modified": "2023-07-23T08:32:27.793819Z"
}
},
{
"id": 10893,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5786324,
"topic": "igwn.gwalert",
"uuid": "c61bac90-19de-4459-b553-c745c12042e1",
"title": "S251009db - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S251009db/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S251009db/view/"
},
"event": {
"far": 1.399579707487723e-05,
"time": "2025-10-09T22:25:59.958Z",
"group": "CBC",
"search": "AllSky",
"area_50": 687.8011422505513,
"area_90": 3612.3198489888628,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.08995330865191414,
"HasMassGap": 0.030886006576543657,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "153858aaa35bd8e873e0e0d11452843d",
"classification": {
"BBH": 0.08389174551719343,
"BNS": 1.7298611623712522e-14,
"NSBH": 1.3138151700355982e-12,
"Terrestrial": 0.9161082544814755
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-10-09T22:31:04Z",
"superevent_id": "S251009db",
"external_coinc": null
},
"message_text": "",
"published": "2025-10-09T22:31:05.300279Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-10-09T22:31:05.300303Z",
"modified": "2025-10-09T22:31:05.312491Z"
}
},
{
"id": 803,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1468,
"topic": "igwn.gwalert",
"uuid": "43393d93-5dfb-48cf-981c-cb183fd87d7b",
"title": "S230723z - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230723z/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230723z/view/"
},
"event": {
"far": 1.289863575948402e-06,
"time": "2023-07-23T08:48:20.433Z",
"group": "CBC",
"search": "AllSky",
"area_50": 840.9722325015892,
"area_90": 3957.2695371706527,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.02726042922594647,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f16584dc9df45ecacd990b2c6cd8906a",
"classification": {
"BBH": 0.5059307968593705,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.4940692031406295
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-23T08:53:17Z",
"superevent_id": "S230723z",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-23T08:53:19.329745Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-23T08:53:19.329783Z",
"modified": "2023-07-23T08:53:19.336650Z"
}
},
{
"id": 6215,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 146149,
"topic": "igwn.gwalert",
"uuid": "90268f88-083c-4480-ba62-12a1ec3ad414",
"title": "S241118c - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241118c/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241118c/view/"
},
"event": {
"far": 1.274219e-05,
"time": "2024-11-18T01:39:56.067Z",
"group": "CBC",
"search": "AllSky",
"area_50": 6147.825951171798,
"area_90": 17043.536053303167,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.37263497600076256,
"HasRemnant": 0.5083887699185246
},
"instruments": [
"L1",
"V1"
],
"significant": false,
"skymap_hash": "36556f591527284e3ae4623bff48a32c",
"classification": {
"BBH": 0.0,
"BNS": 0.000213339,
"NSBH": 0.000746685,
"Terrestrial": 0.999039976
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-18T01:45:05Z",
"superevent_id": "S241118c",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-18T01:45:05.474615Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-18T01:45:05.474652Z",
"modified": "2024-11-18T01:45:05.486094Z"
}
},
{
"id": 805,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1471,
"topic": "igwn.gwalert",
"uuid": "751de37e-7af8-4be4-8b41-d7d55dc0bfa0",
"title": "S230723ac - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230723ac/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230723ac/view/"
},
"event": {
"far": 5.330244e-08,
"time": "2023-07-23T10:18:34.451Z",
"group": "CBC",
"search": "AllSky",
"area_50": 290.39560124306377,
"area_90": 1281.1817494148463,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "fdbee0ae0cabe6290f54bdec87713b11",
"classification": {
"BBH": 0.867174107,
"BNS": 0.0,
"NSBH": 1.6473e-05,
"Terrestrial": 0.132809417
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-23T10:23:38Z",
"superevent_id": "S230723ac",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-23T10:23:40.035580Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-23T10:23:40.035606Z",
"modified": "2023-07-23T10:23:40.041746Z"
}
},
{
"id": 8764,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 240884,
"topic": "igwn.gwalert",
"uuid": "daf97ecb-8e42-4997-a09d-8c1de9bac694",
"title": "S250617ba - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250617ba/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250617ba/view/"
},
"event": {
"far": 6.7671e-06,
"time": "2025-06-17T08:53:43.746Z",
"group": "Burst",
"search": "AllSky",
"area_50": 746.1320505927275,
"area_90": 3381.514096555791,
"duration": 0.019038,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "b8b98bbddaf9c26bb37c7a32fd0b0cb6",
"classification": {},
"skymap_version": 0,
"central_frequency": 241.652405
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-17T09:00:00Z",
"superevent_id": "S250617ba",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-17T09:00:01.210828Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-17T09:00:01.210851Z",
"modified": "2025-06-17T09:00:01.216631Z"
}
},
{
"id": 808,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1477,
"topic": "igwn.gwalert",
"uuid": "acefb7f9-b008-4550-9062-ef3f0d410083",
"title": "S230723an - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230723an/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230723an/view/"
},
"event": {
"far": 1.0472116066745e-05,
"time": "2023-07-23T12:55:31.792Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1470.4424664099647,
"area_90": 5400.015313288648,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.012106583072100312,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "cd21647452a3e872bedca37fe027617c",
"classification": {
"BBH": 0.15640014832586227,
"BNS": 1.500662566622029e-13,
"NSBH": 1.021867415774092e-11,
"Terrestrial": 0.8435998516637689
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-23T13:00:31Z",
"superevent_id": "S230723an",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-23T13:00:32.484027Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-23T13:00:32.484057Z",
"modified": "2023-07-23T13:00:32.490660Z"
}
},
{
"id": 6217,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 146152,
"topic": "igwn.gwalert",
"uuid": "8d9b3f10-b3a8-4b11-a582-10c3642e3e91",
"title": "S241118d - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241118d/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241118d/view/"
},
"event": {
"far": 2.026545553235337e-05,
"time": "2024-11-18T01:50:16.899Z",
"group": "CBC",
"search": "AllSky",
"area_50": 9223.837160870726,
"area_90": 24678.590343789154,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.004262913125818415,
"HasMassGap": 0.11524143072942372,
"HasRemnant": 0.0
},
"instruments": [
"L1",
"V1"
],
"significant": false,
"skymap_hash": "a3927c5379003224a851e52fefd33b9f",
"classification": {
"BBH": 0.18414256932987333,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.8158574306701267
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-18T01:55:19Z",
"superevent_id": "S241118d",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-18T01:55:20.104419Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-18T01:55:20.104457Z",
"modified": "2024-11-18T01:55:20.124244Z"
}
},
{
"id": 810,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1483,
"topic": "igwn.gwalert",
"uuid": "d9c7547b-6cf6-4ff6-b5cb-ae078faa14a1",
"title": "S230723ar - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230723ar/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230723ar/view/"
},
"event": {
"far": 1.800044810806867e-05,
"time": "2023-07-23T16:08:19.215Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1530.24213863126,
"area_90": 5055.9049187520695,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.5919246312357993,
"HasRemnant": 0.9621288863931656
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "2feacb5b03071f8bc6b7308cb0b63ae6",
"classification": {
"BBH": 0.0,
"BNS": 0.024869473647131265,
"NSBH": 0.06703519718257266,
"Terrestrial": 0.9080953291702961
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-23T16:13:17Z",
"superevent_id": "S230723ar",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-23T16:13:18.600665Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-23T16:13:18.600686Z",
"modified": "2023-07-23T16:13:18.606691Z"
}
},
{
"id": 10018,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5773498,
"topic": "igwn.gwalert",
"uuid": "2d154ceb-d134-4a3b-b4c2-0514798ecb89",
"title": "S250829g - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250829g/view/"
},
"event": {
"far": 5.986910018732542e-07,
"time": "2025-08-29T00:31:44.899Z",
"group": "Burst",
"search": "AllSky",
"area_50": 6904.868819152271,
"area_90": 22231.210074353392,
"duration": 0.1875,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "3ae6554ad8cea7d0708c2b81ba9eef2a",
"classification": {},
"skymap_version": 0,
"central_frequency": 104.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-08-29T00:37:05Z",
"superevent_id": "S250829g",
"external_coinc": null
},
"message_text": "",
"published": "2025-08-29T00:37:05.808927Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-08-29T00:37:05.808947Z",
"modified": "2025-08-29T00:37:05.818155Z"
}
},
{
"id": 6219,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 146171,
"topic": "igwn.gwalert",
"uuid": "45031615-ff6d-4458-9cd9-dff8b59b89b5",
"title": "S241118f - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241118f/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241118f/view/"
},
"event": {
"far": 6.509315426228568e-06,
"time": "2024-11-18T02:39:42.710Z",
"group": "CBC",
"search": "AllSky",
"area_50": 12209.204656886845,
"area_90": 31688.370868592814,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.29394461514842035,
"HasRemnant": 0.609953354364722
},
"instruments": [
"L1",
"V1"
],
"significant": false,
"skymap_hash": "1e0d6a4ec2e1ac990617974cfa9ec778",
"classification": {
"BBH": 0.0,
"BNS": 0.0005202105956641688,
"NSBH": 0.007511111688395312,
"Terrestrial": 0.9919686777159405
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-18T02:44:56Z",
"superevent_id": "S241118f",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-18T02:44:57.083117Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-18T02:44:57.083162Z",
"modified": "2024-11-18T02:44:57.098352Z"
}
},
{
"id": 813,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1487,
"topic": "igwn.gwalert",
"uuid": "3fff515d-1167-453e-a84c-b73b7db3ade3",
"title": "S230723at - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230723at/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230723at/view/"
},
"event": {
"far": 4.38578e-06,
"time": "2023-07-23T16:46:58.170Z",
"group": "Burst",
"search": "AllSky",
"area_50": 17.6251665494345,
"area_90": 67.98278526210453,
"duration": 0.004976,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "089388a30fd50cf9ea6d1b78c026c1b1",
"classification": {},
"skymap_version": 0,
"central_frequency": 1863.904297
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-23T16:52:34Z",
"superevent_id": "S230723at",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-23T16:52:35.916807Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-23T16:52:35.916826Z",
"modified": "2023-07-23T16:52:35.922647Z"
}
},
{
"id": 814,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1488,
"topic": "igwn.gwalert",
"uuid": "ccab9d71-1cce-4c0d-975e-3ae0ef9e4efa",
"title": "S230723au - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230723au/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230723au/view/"
},
"event": {
"far": 3.51988e-06,
"time": "2023-07-23T16:48:54.485Z",
"group": "Burst",
"search": "AllSky",
"area_50": 831.1105321703583,
"area_90": 3333.044888544847,
"duration": 0.014271,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "dcda0d183d95923c76e7e82d6bcdde85",
"classification": {},
"skymap_version": 0,
"central_frequency": 62.257744
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-23T16:55:44Z",
"superevent_id": "S230723au",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-23T16:55:45.346999Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-23T16:55:45.347021Z",
"modified": "2023-07-23T16:55:45.353087Z"
}
},
{
"id": 8766,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 241457,
"topic": "igwn.gwalert",
"uuid": "50c9e9c3-b897-40c4-8b71-aba0d9f1479b",
"title": "S250617bc - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250617bc/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250617bc/view/"
},
"event": {
"far": 5.907472995784781e-06,
"time": "2025-06-17T11:02:47.980Z",
"group": "CBC",
"search": "AllSky",
"area_50": 256.03701764223166,
"area_90": 1012.607782947273,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "03bb55bb7b61522541990fb6d8db180a",
"classification": {
"BBH": 0.0,
"BNS": 0.00552510329394873,
"NSBH": 0.0,
"Terrestrial": 0.9944748967060513
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-17T11:07:52Z",
"superevent_id": "S250617bc",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-17T11:07:53.284642Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-17T11:07:53.284664Z",
"modified": "2025-06-17T11:07:53.464966Z"
}
},
{
"id": 816,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1493,
"topic": "igwn.gwalert",
"uuid": "2c1ad998-2aac-42ea-b60f-e7ea1a9e63f0",
"title": "S230723bl - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230723bl/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230723bl/view/"
},
"event": {
"far": 2.052898707916029e-05,
"time": "2023-07-23T21:00:29.832Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2851.0805127823346,
"area_90": 10121.881361246675,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.45994227994228,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "fe5dd9774c522d8d7a6ac867bcc626d4",
"classification": {
"BBH": 0.0,
"BNS": 0.10706172157086977,
"NSBH": 0.0,
"Terrestrial": 0.8929382784291302
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-23T21:05:29Z",
"superevent_id": "S230723bl",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-23T21:05:30.748573Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-23T21:05:30.748593Z",
"modified": "2023-07-23T21:05:30.755120Z"
}
},
{
"id": 6221,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 146212,
"topic": "igwn.gwalert",
"uuid": "7c01513c-303c-49f3-95d8-56bbd1cf0b05",
"title": "S241118l - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241118l/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241118l/view/"
},
"event": {
"far": 1.119873559218831e-05,
"time": "2024-11-18T05:25:26.709Z",
"group": "CBC",
"search": "AllSky",
"area_50": 9076.121479313559,
"area_90": 29019.417076821304,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.8487257411613506,
"HasMassGap": 0.3330227085301843,
"HasRemnant": 0.0
},
"instruments": [
"L1",
"V1"
],
"significant": false,
"skymap_hash": "cf2067cd9c67f7c118937ed2f04cc0fb",
"classification": {
"BBH": 0.10369099871621697,
"BNS": 0.0,
"NSBH": 0.0031168409057974345,
"Terrestrial": 0.8931921603779855
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-18T05:30:30Z",
"superevent_id": "S241118l",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-18T05:30:31.274417Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-18T05:30:31.274450Z",
"modified": "2024-11-18T05:30:31.282413Z"
}
},
{
"id": 818,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1496,
"topic": "igwn.gwalert",
"uuid": "cd904720-dad5-436a-be98-939ea5ce7d11",
"title": "S230723bm - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230723bm/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230723bm/view/"
},
"event": {
"far": 1.39516e-05,
"time": "2023-07-23T21:18:22.984Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1192.6362698450682,
"area_90": 5075.838142825835,
"duration": 0.018885,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9d0789c3e07d1392073e177ff9160e97",
"classification": {},
"skymap_version": 0,
"central_frequency": 31.524521
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-23T21:25:47Z",
"superevent_id": "S230723bm",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-23T21:25:48.928767Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-23T21:25:48.928788Z",
"modified": "2023-07-23T21:25:48.934618Z"
}
},
{
"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": 821,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1505,
"topic": "igwn.gwalert",
"uuid": "b65c62d3-7b43-4e83-95a0-df00cfefc987",
"title": "S230724d - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230724d/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230724d/view/"
},
"event": {
"far": 2.238295475837609e-05,
"time": "2023-07-24T03:25:50.314Z",
"group": "CBC",
"search": "AllSky",
"area_50": 654.2293964421046,
"area_90": 2333.236333687044,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6428d86784d8b8f897ec9af34a49b2bc",
"classification": {
"BBH": 0.0625364477413746,
"BNS": 3.4523091806171602e-15,
"NSBH": 2.2499925175807886e-13,
"Terrestrial": 0.937463552258397
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-24T03:30:49Z",
"superevent_id": "S230724d",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-24T03:30:50.534658Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-24T03:30:50.534678Z",
"modified": "2023-07-24T03:30:50.541494Z"
}
},
{
"id": 6223,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 146423,
"topic": "igwn.gwalert",
"uuid": "f7bef4ae-efd8-4d3d-a819-fc4c4c1715c8",
"title": "S241118w - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241118w/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241118w/view/"
},
"event": {
"far": 1.999056e-05,
"time": "2024-11-18T12:52:45.334Z",
"group": "CBC",
"search": "AllSky",
"area_50": 613.3138312380603,
"area_90": 2285.396595910008,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "cea460b6d6b62db36c28ad40c3163972",
"classification": {
"BBH": 0.0,
"BNS": 0.000767859,
"NSBH": 0.0,
"Terrestrial": 0.999232141
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-18T12:57:55Z",
"superevent_id": "S241118w",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-18T12:57:56.128174Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-18T12:57:56.128200Z",
"modified": "2024-11-18T12:57:56.134437Z"
}
},
{
"id": 823,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1507,
"topic": "igwn.gwalert",
"uuid": "69d0b70c-dbde-4bd3-a9e7-3d922eea832b",
"title": "S230724h - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230724h/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230724h/view/"
},
"event": {
"far": 1.31444e-05,
"time": "2023-07-24T05:20:33.644Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1184.8728036268649,
"area_90": 5321.541357461404,
"duration": 0.010695,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "a30caf1421f635a74f0b77752999bd32",
"classification": {},
"skymap_version": 0,
"central_frequency": 36.804157
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-24T05:28:38Z",
"superevent_id": "S230724h",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-24T05:28:39.295986Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-24T05:28:39.296006Z",
"modified": "2023-07-24T05:28:39.301903Z"
}
},
{
"id": 8768,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 245375,
"topic": "igwn.gwalert",
"uuid": "89112326-cd99-4ef8-88b3-2e4531d9b575",
"title": "S250618b - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250618b/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250618b/view/"
},
"event": {
"far": 2.159351728679925e-05,
"time": "2025-06-18T00:50:05.458Z",
"group": "CBC",
"search": "AllSky",
"area_50": 561.2776252349679,
"area_90": 2680.703902804467,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "993b34e9624ab5ca2b95bdca29704b1a",
"classification": {
"BBH": 0.04781487239351041,
"BNS": 1.499482959715448e-14,
"NSBH": 9.685392885430007e-13,
"Terrestrial": 0.952185127605506
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-18T01:54:38Z",
"superevent_id": "S250618b",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-18T01:54:39.455722Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-18T01:54:39.455743Z",
"modified": "2025-06-18T01:54:39.461617Z"
}
},
{
"id": 825,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1509,
"topic": "igwn.gwalert",
"uuid": "1aba0881-e639-42bb-8477-f70451ab5d06",
"title": "S230724j - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230724j/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230724j/view/"
},
"event": {
"far": 1.540919322113923e-05,
"time": "2023-07-24T05:56:35.118Z",
"group": "CBC",
"search": "AllSky",
"area_50": 868.2492759709525,
"area_90": 3129.7260029924414,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.026260429225946468,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "1f9cd5799998017d52427128329707fa",
"classification": {
"BBH": 0.09865230763924955,
"BNS": 1.8888670394891736e-13,
"NSBH": 1.3203262123648672e-11,
"Terrestrial": 0.9013476923473583
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-24T06:01:32Z",
"superevent_id": "S230724j",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-24T06:01:33.680976Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-24T06:01:33.680996Z",
"modified": "2023-07-24T06:01:33.687065Z"
}
},
{
"id": 6225,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 146524,
"topic": "igwn.gwalert",
"uuid": "16dcef1e-90d9-4bc0-aee8-8677cf8441ed",
"title": "S241118al - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241118al/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241118al/view/"
},
"event": {
"far": 9.206899e-06,
"time": "2024-11-18T20:13:06.135Z",
"group": "CBC",
"search": "AllSky",
"area_50": 8080.719216093115,
"area_90": 24238.800473698502,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.3749100774612465,
"HasRemnant": 0.010541130889983626
},
"instruments": [
"L1"
],
"significant": false,
"skymap_hash": "c8d01f599fa7a73be7298514e47b0e4f",
"classification": {
"BBH": 0.0,
"BNS": 0.000978284,
"NSBH": 0.000611427,
"Terrestrial": 0.998410289
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-18T20:18:11Z",
"superevent_id": "S241118al",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-18T20:18:11.815731Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-18T20:18:11.815756Z",
"modified": "2024-11-18T20:18:11.825443Z"
}
},
{
"id": 827,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1511,
"topic": "igwn.gwalert",
"uuid": "364512d0-603c-4f54-b036-1882541517fd",
"title": "S230724v - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230724v/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230724v/view/"
},
"event": {
"far": 2.108021726598963e-05,
"time": "2023-07-24T08:24:47.462Z",
"group": "CBC",
"search": "AllSky",
"area_50": 3119.654479249908,
"area_90": 14032.989747930713,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.17525576608896903,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "cfb8a4792bf278a05980773219c7ee4d",
"classification": {
"BBH": 0.04347413941115353,
"BNS": 0.0,
"NSBH": 0.00454970872087613,
"Terrestrial": 0.9519761518679704
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-24T08:29:46Z",
"superevent_id": "S230724v",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-24T08:29:47.291444Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-24T08:29:47.291477Z",
"modified": "2023-07-24T08:29:47.297585Z"
}
},
{
"id": 10020,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5773515,
"topic": "igwn.gwalert",
"uuid": "cb1d3273-8251-4d2f-989d-6e580a031886",
"title": "S250829w - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250829w/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250829w/view/"
},
"event": {
"far": 5.451331e-06,
"time": "2025-08-29T01:57:38.519Z",
"group": "CBC",
"search": "AllSky",
"area_50": 335.66500223164115,
"area_90": 1262.7172892202004,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.49050865800865795,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "1e9b7cc903c994eef42d9ee0cad37ba9",
"classification": {
"BBH": 0.0,
"BNS": 0.002605592,
"NSBH": 0.0,
"Terrestrial": 0.997394408
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-08-29T02:02:46Z",
"superevent_id": "S250829w",
"external_coinc": null
},
"message_text": "",
"published": "2025-08-29T02:02:47.646293Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-08-29T02:02:47.646318Z",
"modified": "2025-08-29T02:02:47.662737Z"
}
},
{
"id": 829,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1515,
"topic": "igwn.gwalert",
"uuid": "596de7e7-ab2d-4060-be0d-4fa9b6f574d9",
"title": "S230724ad - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230724ad/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230724ad/view/"
},
"event": {
"far": 1.214331820282257e-05,
"time": "2023-07-24T10:09:41.548Z",
"group": "CBC",
"search": "AllSky",
"area_50": 369.97112997964757,
"area_90": 2257.699905618039,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "abe83de6ad8ec642432f8940fd2c9c30",
"classification": {
"BBH": 0.0,
"BNS": 1.1176567612520077e-05,
"NSBH": 0.0004582693979956023,
"Terrestrial": 0.9995305540343918
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-24T10:14:42Z",
"superevent_id": "S230724ad",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-24T10:14:44.159723Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-24T10:14:44.159765Z",
"modified": "2023-07-24T10:14:44.166237Z"
}
},
{
"id": 6227,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 146558,
"topic": "igwn.gwalert",
"uuid": "d1553383-d09f-4d1a-ab64-2704099c6503",
"title": "S241118ap - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241118ap/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241118ap/view/"
},
"event": {
"far": 1.677188e-06,
"time": "2024-11-18T22:34:38.201Z",
"group": "CBC",
"search": "AllSky",
"area_50": 8065.611930479316,
"area_90": 24222.01460079428,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.4438052907654819,
"HasRemnant": 0.12839109419774045
},
"instruments": [
"L1"
],
"significant": false,
"skymap_hash": "f6f60496c5043b4d29aee35596af1e50",
"classification": {
"BBH": 0.0,
"BNS": 0.004132178,
"NSBH": 0.00378783,
"Terrestrial": 0.992079992
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-18T22:39:43Z",
"superevent_id": "S241118ap",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-18T22:39:45.196179Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-18T22:39:45.196204Z",
"modified": "2024-11-18T22:39:45.217990Z"
}
},
{
"id": 831,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1525,
"topic": "igwn.gwalert",
"uuid": "0d3fceb7-551c-4351-a0ee-cb8cc040f320",
"title": "S230724ah - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230724ah/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230724ah/view/"
},
"event": {
"far": 6.43381e-06,
"time": "2023-07-24T21:29:35.484Z",
"group": "Burst",
"search": "BBH",
"area_50": 908.9550177636938,
"area_90": 2893.8844886881034,
"duration": 0.008133,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "0e78a4756347a857d219125538811799",
"classification": {},
"skymap_version": 0,
"central_frequency": 142.02504
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-24T21:35:22Z",
"superevent_id": "S230724ah",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-24T21:35:23.245458Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-24T21:35:23.245479Z",
"modified": "2023-07-24T21:35:23.251589Z"
}
},
{
"id": 8770,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 245923,
"topic": "igwn.gwalert",
"uuid": "1fac755a-ecb5-4e25-b6f3-7511723d8b63",
"title": "S250618s - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250618s/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250618s/view/"
},
"event": {
"far": 1.6929e-05,
"time": "2025-06-18T03:54:59.941Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1394.0667446957484,
"area_90": 5353.854162802034,
"duration": 0.02429,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "289dcc02b8ab8e0c64011c214e675181",
"classification": {},
"skymap_version": 0,
"central_frequency": 1330.442627
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-18T04:01:37Z",
"superevent_id": "S250618s",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-18T04:01:37.888819Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-18T04:01:37.888838Z",
"modified": "2025-06-18T04:01:37.900021Z"
}
},
{
"id": 833,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1527,
"topic": "igwn.gwalert",
"uuid": "8803f381-0652-4543-ad35-e3179cd06f1f",
"title": "S230724ak - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230724ak/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230724ak/view/"
},
"event": {
"far": 1.915829125209711e-05,
"time": "2023-07-24T22:02:54.089Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2648.810744286443,
"area_90": 9286.784184261562,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.09027816435843458,
"HasRemnant": 0.8855929223891099
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "bfe31c6db13cd3103f94fa04105adcaf",
"classification": {
"BBH": 0.0,
"BNS": 0.068663141056261,
"NSBH": 0.027481065626174146,
"Terrestrial": 0.9038557933175648
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-24T22:07:54Z",
"superevent_id": "S230724ak",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-24T22:07:54.787325Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-24T22:07:54.787346Z",
"modified": "2023-07-24T22:07:54.793641Z"
}
},
{
"id": 6229,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 146589,
"topic": "igwn.gwalert",
"uuid": "4674d163-e327-4d45-8972-de3fa3365515",
"title": "S241119c - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241119c/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241119c/view/"
},
"event": {
"far": 7.15324e-06,
"time": "2024-11-19T00:39:47.887Z",
"group": "CBC",
"search": "BBH",
"area_50": 1238.7974203316824,
"area_90": 3839.7684268410885,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "0bc7fef568f409898aa012ff7609febf",
"classification": {
"BBH": 0.003981534819562649,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9960184651804374
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-19T00:45:56Z",
"superevent_id": "S241119c",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-19T00:45:56.958304Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-19T00:45:56.958329Z",
"modified": "2024-11-19T00:45:56.964052Z"
}
},
{
"id": 835,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1529,
"topic": "igwn.gwalert",
"uuid": "a2219651-ff39-4311-8725-08c2beeeb1d8",
"title": "S230724al - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230724al/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230724al/view/"
},
"event": {
"far": 1.07496034615906e-05,
"time": "2023-07-24T22:12:42.853Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2197.2707631628346,
"area_90": 13949.060383409595,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.00164266909566374,
"HasMassGap": 0.040646388699020285,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "542f95f383fce23e04f79d6d4b039a4a",
"classification": {
"BBH": 0.10206132884772509,
"BNS": 0.0,
"NSBH": 0.01015762414934438,
"Terrestrial": 0.8877810470029305
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-24T22:17:44Z",
"superevent_id": "S230724al",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-24T22:17:45.842962Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-24T22:17:45.842997Z",
"modified": "2023-07-24T22:17:45.849832Z"
}
},
{
"id": 837,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1531,
"topic": "igwn.gwalert",
"uuid": "56099deb-23d6-493e-ae17-5b1f9a39b131",
"title": "S230725b - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230725b/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230725b/view/"
},
"event": {
"far": 3.056681737765316e-06,
"time": "2023-07-25T04:15:53.062Z",
"group": "CBC",
"search": "AllSky",
"area_50": 890.0709107464426,
"area_90": 3312.6920176484764,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.000689655172413793,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "0260c0aeabdf790830cd0fb5c6d0a279",
"classification": {
"BBH": 0.0021521269581344146,
"BNS": 0.0,
"NSBH": 0.010309834630913731,
"Terrestrial": 0.9875380384109519
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-25T04:20:58Z",
"superevent_id": "S230725b",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-25T04:20:59.911467Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-25T04:20:59.911489Z",
"modified": "2023-07-25T04:20:59.917327Z"
}
},
{
"id": 6231,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 146756,
"topic": "igwn.gwalert",
"uuid": "c36a20e8-c1a0-4625-9b0b-27f1e8376e28",
"title": "S241119bt - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241119bt/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241119bt/view/"
},
"event": {
"far": 6.85005e-06,
"time": "2024-11-19T10:59:21.875Z",
"group": "Burst",
"search": "AllSky",
"area_50": 479.2366714155763,
"area_90": 3172.529978898211,
"duration": 0.027869,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "fddc73c31aa73d0065c2050e7e44ab1a",
"classification": {},
"skymap_version": 0,
"central_frequency": 672.033997
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-19T11:06:28Z",
"superevent_id": "S241119bt",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-19T11:06:28.331322Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-19T11:06:28.331359Z",
"modified": "2024-11-19T11:06:28.340657Z"
}
},
{
"id": 839,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1533,
"topic": "igwn.gwalert",
"uuid": "b5ee609c-fe2a-4b7e-8f86-7b06fa63212e",
"title": "S230725d - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230725d/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230725d/view/"
},
"event": {
"far": 5.468408873965132e-06,
"time": "2023-07-25T04:24:57.792Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2387.79042062577,
"area_90": 8973.727654597798,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.026260429225946468,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "80358ed00f90453f914cf3b1f7103d9a",
"classification": {
"BBH": 0.2794719003024766,
"BNS": 7.654694532810478e-14,
"NSBH": 5.806567655645358e-12,
"Terrestrial": 0.7205280996916403
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-25T04:30:12Z",
"superevent_id": "S230725d",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-25T04:30:13.853835Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-25T04:30:13.853858Z",
"modified": "2023-07-25T04:30:13.860135Z"
}
},
{
"id": 10022,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5773521,
"topic": "igwn.gwalert",
"uuid": "1657a107-b261-4e01-b43a-9864be01ac59",
"title": "S250829z - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250829z/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250829z/view/"
},
"event": {
"far": 2.140930711156989e-05,
"time": "2025-08-29T02:16:14.547Z",
"group": "CBC",
"search": "AllSky",
"area_50": 777.6055622881463,
"area_90": 3187.6372645120123,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.011201769245247507,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "5af600ef0e2a32b8af9db7226ca1d4f0",
"classification": {
"BBH": 0.05531084185737969,
"BNS": 5.662203543509598e-15,
"NSBH": 7.525452292177301e-13,
"Terrestrial": 0.9446891581418622
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-08-29T02:21:13Z",
"superevent_id": "S250829z",
"external_coinc": null
},
"message_text": "",
"published": "2025-08-29T02:21:14.861204Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-08-29T02:21:14.861221Z",
"modified": "2025-08-29T02:21:14.869822Z"
}
},
{
"id": 8773,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 246062,
"topic": "igwn.gwalert",
"uuid": "9f032182-6d4a-4d21-bc6a-6db4b09e0f47",
"title": "S250618x - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250618x/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250618x/view/"
},
"event": {
"far": 5.23157e-06,
"time": "2025-06-18T04:26:59.827Z",
"group": "Burst",
"search": "AllSky",
"area_50": 568.20179780796,
"area_90": 2110.8235177060847,
"duration": 0.078557,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "8fe552da466ddd00a366ad8950ae67a8",
"classification": {},
"skymap_version": 0,
"central_frequency": 579.258179
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-18T04:33:24Z",
"superevent_id": "S250618x",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-18T04:33:24.399502Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-18T04:33:24.399520Z",
"modified": "2025-06-18T04:33:24.407143Z"
}
},
{
"id": 842,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1537,
"topic": "igwn.gwalert",
"uuid": "59651b15-68e9-4358-8997-5554d811a232",
"title": "S230725aa - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230725aa/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230725aa/view/"
},
"event": {
"far": 1.509481e-05,
"time": "2023-07-25T10:52:49.221Z",
"group": "CBC",
"search": "AllSky",
"area_50": 402.6511262900574,
"area_90": 1255.7931166472083,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.09894078227899739,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "4b81b5655fd573da821069edbc24fd4f",
"classification": {
"BBH": 0.033414568,
"BNS": 0.0,
"NSBH": 7.37e-07,
"Terrestrial": 0.966584694
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-25T10:57:57Z",
"superevent_id": "S230725aa",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-25T10:57:59.149749Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-25T10:57:59.149779Z",
"modified": "2023-07-25T10:57:59.156414Z"
}
},
{
"id": 843,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1538,
"topic": "igwn.gwalert",
"uuid": "baa14aef-d69b-43b9-9e5e-63f9c9ac5a4b",
"title": "S230725ab - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230725ab/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230725ab/view/"
},
"event": {
"far": 1.141683424066287e-05,
"time": "2023-07-25T10:53:13.095Z",
"group": "CBC",
"search": "AllSky",
"area_50": 447.5533363088548,
"area_90": 1850.642487690623,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.022579365079365078,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "3bde70076b7f0c13e46a9bd725bd5479",
"classification": {
"BBH": 0.0,
"BNS": 0.09383204132183415,
"NSBH": 0.0,
"Terrestrial": 0.9061679586781659
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-25T10:58:11Z",
"superevent_id": "S230725ab",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-25T10:58:13.218176Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-25T10:58:13.218196Z",
"modified": "2023-07-25T10:58:13.224246Z"
}
},
{
"id": 6234,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 146786,
"topic": "igwn.gwalert",
"uuid": "3a649121-469c-413f-b682-c8afc8ea8fe9",
"title": "S241119by - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241119by/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241119by/view/"
},
"event": {
"far": 5.470351669555131e-07,
"time": "2024-11-19T11:35:05.003Z",
"group": "CBC",
"search": "AllSky",
"area_50": 328.84574136430035,
"area_90": 1139.9705936080675,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.9195575222155986,
"HasRemnant": 0.9886441044209721
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "fcfafdbff9ad41cd73a5f2fcc1b19025",
"classification": {
"BBH": 0.0,
"BNS": 0.015127955606401403,
"NSBH": 0.02503718546082428,
"Terrestrial": 0.9598348589327743
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-19T11:40:08Z",
"superevent_id": "S241119by",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-19T11:40:09.361595Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-19T11:40:09.361621Z",
"modified": "2024-11-19T11:40:09.367170Z"
}
},
{
"id": 845,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1540,
"topic": "igwn.gwalert",
"uuid": "6c8ff1ea-25a2-4916-91fa-c77006660137",
"title": "S230725ad - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230725ad/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230725ad/view/"
},
"event": {
"far": 1.226137e-05,
"time": "2023-07-25T11:00:08.660Z",
"group": "CBC",
"search": "AllSky",
"area_50": 424.2104818014192,
"area_90": 1520.5902617113318,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.3603026041837918,
"HasRemnant": 6.65970157212325e-05
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "ebaa3853390875a0272e44630a8cd1f8",
"classification": {
"BBH": 0.0,
"BNS": 1.3372e-05,
"NSBH": 0.001536718,
"Terrestrial": 0.99844991
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-25T11:05:13Z",
"superevent_id": "S230725ad",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-25T11:05:15.192020Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-25T11:05:15.192042Z",
"modified": "2023-07-25T11:05:15.198260Z"
}
},
{
"id": 6235,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 146790,
"topic": "igwn.gwalert",
"uuid": "4e48351b-1388-4709-b216-67c00e19271d",
"title": "S241119bz - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241119bz/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241119bz/view/"
},
"event": {
"far": 1.293082436725739e-05,
"time": "2024-11-19T11:38:33.634Z",
"group": "CBC",
"search": "AllSky",
"area_50": 242.7656868773301,
"area_90": 915.0398966914747,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.061699633699633695,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "bfc389cd288b1cd535249040d8fcae4c",
"classification": {
"BBH": 0.09302474164776109,
"BNS": 1.0842362694859174e-17,
"NSBH": 6.68493227235592e-16,
"Terrestrial": 0.9069752583522382
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-19T11:43:39Z",
"superevent_id": "S241119bz",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-19T11:43:40.058683Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-19T11:43:40.058727Z",
"modified": "2024-11-19T11:43:40.064635Z"
}
},
{
"id": 847,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1543,
"topic": "igwn.gwalert",
"uuid": "f6250097-c1fc-4031-9f25-bdb4392ee791",
"title": "S230725am - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230725am/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230725am/view/"
},
"event": {
"far": 4.974583e-07,
"time": "2023-07-25T13:16:48.893Z",
"group": "CBC",
"search": "AllSky",
"area_50": 858.8072224623265,
"area_90": 3414.246548719027,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.25605261830400217,
"HasMassGap": 0.09445463282150589,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "248aa69537a3dc34087544d008540fbe",
"classification": {
"BBH": 0.501549467,
"BNS": 0.0,
"NSBH": 0.000629434,
"Terrestrial": 0.497821102
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-25T13:21:51Z",
"superevent_id": "S230725am",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-25T13:21:52.270433Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-25T13:21:52.270455Z",
"modified": "2023-07-25T13:21:52.276800Z"
}
},
{
"id": 8774,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 246072,
"topic": "igwn.gwalert",
"uuid": "6d4f1897-e9c5-465a-b46c-75979a930004",
"title": "S250618z - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250618z/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250618z/view/"
},
"event": {
"far": 5.74624491241457e-06,
"time": "2025-06-18T04:30:17.784Z",
"group": "CBC",
"search": "AllSky",
"area_50": 237.88729256454013,
"area_90": 970.0136304528061,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.7390855298009268,
"HasMassGap": 0.205570325312395,
"HasRemnant": 7.69147011762965e-06
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "41bcd89bf30ae608aa4cf754e8336ec9",
"classification": {
"BBH": 0.0014626471207332856,
"BNS": 0.0,
"NSBH": 0.004896290280850601,
"Terrestrial": 0.9936410625984161
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-18T04:35:26Z",
"superevent_id": "S250618z",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-18T04:35:27.338958Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-18T04:35:27.338978Z",
"modified": "2025-06-18T04:35:27.351705Z"
}
},
{
"id": 849,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1546,
"topic": "igwn.gwalert",
"uuid": "1cdcdef1-ebdd-4641-9f1c-3988f1234289",
"title": "S230725an - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230725an/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230725an/view/"
},
"event": {
"far": 5.54965e-06,
"time": "2023-07-25T13:25:29.559Z",
"group": "Burst",
"search": "BBH",
"area_50": 1750.7665439104942,
"area_90": 9069.407130151869,
"duration": 0.016661,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "e82bf9ef73305169c4223907dc22f574",
"classification": {},
"skymap_version": 0,
"central_frequency": 28.309725
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-25T13:32:54Z",
"superevent_id": "S230725an",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-25T13:32:55.843960Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-25T13:32:55.843982Z",
"modified": "2023-07-25T13:32:55.849995Z"
}
},
{
"id": 6237,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 147870,
"topic": "igwn.gwalert",
"uuid": "27e80b96-c872-45d2-a72a-d3ca57e80f36",
"title": "S241122a - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241122a/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241122a/view/"
},
"event": {
"far": 6.393369008753231e-08,
"time": "2024-11-22T17:51:00.882Z",
"group": "CBC",
"search": "AllSky",
"area_50": 8061.41546225326,
"area_90": 24218.657426213435,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"L1"
],
"significant": true,
"skymap_hash": "38b52efffbe35d78ff04e0eef91c8ddc",
"classification": {
"BBH": 0.9554958751878841,
"BNS": 1.1514513106964048e-22,
"NSBH": 9.752868946537745e-21,
"Terrestrial": 0.04450412481211585
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-22T17:56:17Z",
"superevent_id": "S241122a",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-22T17:56:18.742243Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-22T17:56:18.742280Z",
"modified": "2024-11-22T17:56:18.751882Z"
}
}
]
}