HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 11124,
"next": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=7200&ordering=sequence_number",
"previous": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=7000&ordering=sequence_number",
"results": [
{
"id": 6289,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148497,
"topic": "igwn.gwalert",
"uuid": "2e96b9cd-e02c-43e5-b0be-e457225928d1",
"title": "S241125n - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241125n/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241125n/view/"
},
"event": {
"far": 9.502637526731553e-10,
"time": "2024-11-25T01:01:16.782Z",
"group": "CBC",
"search": "AllSky",
"area_50": 687.8011422505513,
"area_90": 2422.2014600794278,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": true,
"skymap_hash": "ddf80bc69f112cfa586d690e679af569",
"classification": {
"BBH": 0.9999885425895852,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 1.1457410414750235e-05
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-25T01:01:50Z",
"superevent_id": "S241125n",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-25T01:01:50.689925Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-25T01:01:50.689980Z",
"modified": "2024-11-25T01:01:50.694439Z"
}
},
{
"id": 959,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1699,
"topic": "igwn.gwalert",
"uuid": "e15eaf27-7915-4107-babc-2661f99c7d36",
"title": "S230731al - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230731al/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230731al/view/"
},
"event": {
"far": 9.158235e-06,
"time": "2023-07-31T21:43:05.388Z",
"group": "CBC",
"search": "AllSky",
"area_50": 429.50852293681476,
"area_90": 1587.1042830943168,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.006068376068376069,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "5b970646228ae781dc2261dbb16943b2",
"classification": {
"BBH": 0.0,
"BNS": 0.001325529,
"NSBH": 0.000645153,
"Terrestrial": 0.998029318
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-31T21:48:12Z",
"superevent_id": "S230731al",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-31T21:48:15.343461Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-31T21:48:15.343482Z",
"modified": "2023-07-31T21:48:15.349805Z"
}
},
{
"id": 961,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1701,
"topic": "igwn.gwalert",
"uuid": "10a65d43-a59b-4257-b5c1-16680bbd0492",
"title": "S230731an - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230731an/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230731an/view/"
},
"event": {
"far": 3.167545842243851e-10,
"time": "2023-07-31T21:53:07.889Z",
"group": "CBC",
"search": "AllSky",
"area_50": 190.62456916858628,
"area_90": 645.836459989993,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.052964740814740806,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "0ed8007d53d2723da220c5430e31fad2",
"classification": {
"BBH": 0.8139519908482554,
"BNS": 0.0,
"NSBH": 0.1838623882504885,
"Terrestrial": 0.002185620901256069
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-31T21:58:16Z",
"superevent_id": "S230731an",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-31T21:58:18.478739Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-31T21:58:18.478762Z",
"modified": "2023-07-31T21:58:18.484946Z"
}
},
{
"id": 964,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1705,
"topic": "igwn.gwalert",
"uuid": "be3dc109-9023-4fab-be7c-3c91deaf86dd",
"title": "S230731at - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230731at/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230731at/view/"
},
"event": {
"far": 1.50667485532171e-05,
"time": "2023-07-31T22:49:19.315Z",
"group": "CBC",
"search": "AllSky",
"area_50": 436.4851513626325,
"area_90": 1976.5365344722982,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.7235932199831788,
"HasRemnant": 0.003303584433583724
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "943ddc12c47c7cae9deaafc111af3b52",
"classification": {
"BBH": 0.0,
"BNS": 0.000629794632047586,
"NSBH": 0.0008186365117828219,
"Terrestrial": 0.9985515688561696
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-31T22:54:35Z",
"superevent_id": "S230731at",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-31T22:54:37.227316Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-31T22:54:37.227338Z",
"modified": "2023-07-31T22:54:37.233714Z"
}
},
{
"id": 8800,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 259375,
"topic": "igwn.gwalert",
"uuid": "e08da4db-6381-45c4-be74-8ba1492aedec",
"title": "S250620ae - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250620ae/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250620ae/view/"
},
"event": {
"far": 8.642e-06,
"time": "2025-06-20T07:48:28.082Z",
"group": "CBC",
"search": "BBH",
"area_50": 2256.021318327617,
"area_90": 7103.781413067318,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "742d720fbeb4d6536f6bc9a8727a4e29",
"classification": {
"BBH": 0.00225574309746035,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9977442569025397
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-20T07:55:08Z",
"superevent_id": "S250620ae",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-20T07:55:08.719420Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-20T07:55:08.719441Z",
"modified": "2025-06-20T07:55:08.725386Z"
}
},
{
"id": 10897,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5786333,
"topic": "igwn.gwalert",
"uuid": "9e16ffbb-fb58-43bd-a252-7c705e33b44b",
"title": "S251009do - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S251009do/view/"
},
"event": {
"far": 1.1142435299838595e-05,
"time": "2025-10-09T23:20:12.396Z",
"group": "Burst",
"search": "AllSky",
"area_50": 6371.078060797969,
"area_90": 21398.630778303916,
"duration": 0.25,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "320dfab2aee95a85f1aa287288e5f434",
"classification": {},
"skymap_version": 0,
"central_frequency": 96.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-10-09T23:25:27Z",
"superevent_id": "S251009do",
"external_coinc": null
},
"message_text": "",
"published": "2025-10-09T23:25:28.363682Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-10-09T23:25:28.363703Z",
"modified": "2025-10-09T23:25:28.374552Z"
}
},
{
"id": 968,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1712,
"topic": "igwn.gwalert",
"uuid": "24cc8938-1b3f-4138-8690-a5943e693bc3",
"title": "S230801h - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230801h/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230801h/view/"
},
"event": {
"far": 1.15504559137422e-05,
"time": "2023-08-01T01:41:02.087Z",
"group": "CBC",
"search": "AllSky",
"area_50": 661.7830392490051,
"area_90": 2581.6672526695493,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.1149859971862479,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "dad816852aa4936d67fbfa5cc8e78b28",
"classification": {
"BBH": 0.21143964120112815,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.7885603587988719
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-01T01:46:11Z",
"superevent_id": "S230801h",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-01T01:46:12.400721Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-01T01:46:12.400743Z",
"modified": "2023-08-01T01:46:12.407005Z"
}
},
{
"id": 969,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1713,
"topic": "igwn.gwalert",
"uuid": "0f411851-ff95-4508-8628-5c4d03ef3e43",
"title": "S230801i - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230801i/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230801i/view/"
},
"event": {
"far": 2.956904043734635e-06,
"time": "2023-08-01T01:41:33.335Z",
"group": "CBC",
"search": "AllSky",
"area_50": 381.354050042824,
"area_90": 1408.7543834869437,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.05089545247732866,
"HasMassGap": 0.2011642867388762,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "2b411933194b9cb545777c4d3fa77bd7",
"classification": {
"BBH": 0.08446254976119535,
"BNS": 0.0,
"NSBH": 0.060917385992370336,
"Terrestrial": 0.8546200642464343
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-01T01:46:37Z",
"superevent_id": "S230801i",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-01T01:46:38.523168Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-01T01:46:38.523188Z",
"modified": "2023-08-01T01:46:38.528955Z"
}
},
{
"id": 6294,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148786,
"topic": "igwn.gwalert",
"uuid": "fb58d01f-55b0-437e-83ad-e30b330f8623",
"title": "S241125by - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241125by/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241125by/view/"
},
"event": {
"far": 3.188734344353361e-06,
"time": "2024-11-25T12:01:21.668Z",
"group": "CBC",
"search": "AllSky",
"area_50": 15.740034338510982,
"area_90": 71.4448715486006,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "12ec07e05788a1655ab8a7fbd9fe0b56",
"classification": {
"BBH": 0.3057358132221295,
"BNS": 3.0012807278133403e-36,
"NSBH": 1.3896457620525812e-31,
"Terrestrial": 0.6942641867778705
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-25T12:06:23Z",
"superevent_id": "S241125by",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-25T12:06:24.074388Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-25T12:06:24.074414Z",
"modified": "2024-11-25T12:06:24.080565Z"
}
},
{
"id": 971,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1717,
"topic": "igwn.gwalert",
"uuid": "0d68dfc8-b947-4909-80d4-7a7aa72b08b5",
"title": "S230801x - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230801x/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230801x/view/"
},
"event": {
"far": 1.63737e-05,
"time": "2023-08-01T06:39:41.832Z",
"group": "Burst",
"search": "BBH",
"area_50": 2338.272095558311,
"area_90": 8871.333829882036,
"duration": 0.026689,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "79a9cf84529b6bfa71203915ad6a4bfc",
"classification": {},
"skymap_version": 0,
"central_frequency": 30.50102
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-01T06:45:56Z",
"superevent_id": "S230801x",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-01T06:45:57.877406Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-01T06:45:57.877429Z",
"modified": "2023-08-01T06:45:57.884053Z"
}
},
{
"id": 6295,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148787,
"topic": "igwn.gwalert",
"uuid": "025eb314-6b4c-4673-b822-5e1b9ab78d1f",
"title": "S241125bz - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241125bz/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241125bz/view/"
},
"event": {
"far": 1.687889e-05,
"time": "2024-11-25T12:03:36.639Z",
"group": "CBC",
"search": "AllSky",
"area_50": 401.23481826376354,
"area_90": 1805.5304542605231,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.8444621556643646,
"HasMassGap": 0.11883546234952885,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "dddc5111d2bc98d825e155313b6fa559",
"classification": {
"BBH": 0.012031952,
"BNS": 0.0,
"NSBH": 0.000791576,
"Terrestrial": 0.987176472
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-25T12:08:40Z",
"superevent_id": "S241125bz",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-25T12:08:42.420699Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-25T12:08:42.420719Z",
"modified": "2024-11-25T12:08:42.430076Z"
}
},
{
"id": 973,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1720,
"topic": "igwn.gwalert",
"uuid": "b858c57b-ee34-4c01-95f5-6901099227fb",
"title": "S230801ab - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230801ab/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230801ab/view/"
},
"event": {
"far": 2.140585797466747e-05,
"time": "2023-08-01T09:20:52.559Z",
"group": "CBC",
"search": "AllSky",
"area_50": 831.5301789929638,
"area_90": 3863.268648907002,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "18be484b077f04e9b524fbb4fa3debd5",
"classification": {
"BBH": 0.07200054239025262,
"BNS": 1.0645529157407896e-13,
"NSBH": 7.402544506292701e-12,
"Terrestrial": 0.9279994576022383
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-01T09:25:54Z",
"superevent_id": "S230801ab",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-01T09:25:56.136757Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-01T09:25:56.136785Z",
"modified": "2023-08-01T09:25:56.144199Z"
}
},
{
"id": 8802,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 259635,
"topic": "igwn.gwalert",
"uuid": "32ea04a9-6a5e-4874-89bc-f11057583469",
"title": "S250620an - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250620an/view/"
},
"event": {
"far": 5.320120463923534e-06,
"time": "2025-06-20T08:50:09.138Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7002.226881996767,
"area_90": 22415.85467629985,
"duration": 0.09375,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "03e75cd0ff48c942a56d01da7545af43",
"classification": {},
"skymap_version": 0,
"central_frequency": 448.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-20T08:55:30Z",
"superevent_id": "S250620an",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-20T08:55:31.309976Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-20T08:55:31.310012Z",
"modified": "2025-06-20T08:55:31.315989Z"
}
},
{
"id": 975,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1722,
"topic": "igwn.gwalert",
"uuid": "44081181-bfb8-4fa7-bed1-0fb827707d68",
"title": "S230801ad - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230801ad/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230801ad/view/"
},
"event": {
"far": 1.28694e-05,
"time": "2023-08-01T09:35:46.778Z",
"group": "Burst",
"search": "AllSky",
"area_50": 825.2354766538799,
"area_90": 3760.6650007799367,
"duration": 0.007904,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "66023d572372e8b7045256447f4e7f1f",
"classification": {},
"skymap_version": 0,
"central_frequency": 1580.073486
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-01T09:42:44Z",
"superevent_id": "S230801ad",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-01T09:42:46.249101Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-01T09:42:46.249123Z",
"modified": "2023-08-01T09:42:46.255351Z"
}
},
{
"id": 6297,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148796,
"topic": "igwn.gwalert",
"uuid": "1ffd6fb2-dd81-44ae-b278-84eecbb23aed",
"title": "S241125cb - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241125cb/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241125cb/view/"
},
"event": {
"far": 2.749755584606527e-06,
"time": "2024-11-25T12:09:54.329Z",
"group": "CBC",
"search": "AllSky",
"area_50": 425.10223129945604,
"area_90": 2136.00232706242,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "a28578c82f1cdd1983e48af054b66eec",
"classification": {
"BBH": 0.4171813420322324,
"BNS": 6.458286955911763e-16,
"NSBH": 4.6863608116012727e-14,
"Terrestrial": 0.5828186579677201
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-25T12:15:04Z",
"superevent_id": "S241125cb",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-25T12:15:05.681698Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-25T12:15:05.681715Z",
"modified": "2024-11-25T12:15:05.695031Z"
}
},
{
"id": 977,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1724,
"topic": "igwn.gwalert",
"uuid": "c9ac81cd-6730-46e8-9970-1a2272f2e4b1",
"title": "S230801ag - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230801ag/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230801ag/view/"
},
"event": {
"far": 1.830533983593341e-05,
"time": "2023-08-01T10:22:07.398Z",
"group": "CBC",
"search": "AllSky",
"area_50": 662.6223328942162,
"area_90": 2925.7776472061278,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.9109338598381848,
"HasMassGap": 0.40199515392987,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9c263e67f407a255feaab87686b8baf2",
"classification": {
"BBH": 0.02330392609332051,
"BNS": 0.0,
"NSBH": 0.06753957743378754,
"Terrestrial": 0.909156496472892
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-01T10:27:08Z",
"superevent_id": "S230801ag",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-01T10:27:09.302003Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-01T10:27:09.302034Z",
"modified": "2023-08-01T10:27:09.309160Z"
}
},
{
"id": 10037,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5773597,
"topic": "igwn.gwalert",
"uuid": "fb3eb8af-fa3f-45e9-a1b6-c7888fe7bb12",
"title": "S250829ci - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250829ci/view/"
},
"event": {
"far": 1.0536808886605243e-05,
"time": "2025-08-29T07:47:35.212Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7200.300182266602,
"area_90": 22601.338571891516,
"duration": 0.09375,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f803905c177b02e60c412115051292f4",
"classification": {},
"skymap_version": 0,
"central_frequency": 48.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-08-29T07:52:59Z",
"superevent_id": "S250829ci",
"external_coinc": null
},
"message_text": "",
"published": "2025-08-29T07:53:01.117551Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-08-29T07:53:01.117570Z",
"modified": "2025-08-29T07:53:01.120593Z"
}
},
{
"id": 979,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1726,
"topic": "igwn.gwalert",
"uuid": "21630605-df7a-451b-b721-9023685095e1",
"title": "S230801ah - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230801ah/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230801ah/view/"
},
"event": {
"far": 1.4417e-05,
"time": "2023-08-01T10:30:30.500Z",
"group": "Burst",
"search": "BBH",
"area_50": 1091.081738774517,
"area_90": 3514.122492499156,
"duration": 0.018206,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "a5d27b90700ac898ca8ab0f64cd360e5",
"classification": {},
"skymap_version": 0,
"central_frequency": 40.214081
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-01T10:36:36Z",
"superevent_id": "S230801ah",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-01T10:36:37.854593Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-01T10:36:37.854613Z",
"modified": "2023-08-01T10:36:37.860541Z"
}
},
{
"id": 6299,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148800,
"topic": "igwn.gwalert",
"uuid": "f2883abd-5e2f-412a-bc8e-21da414325a9",
"title": "S241125cj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241125cj/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241125cj/view/"
},
"event": {
"far": 1.110996e-05,
"time": "2024-11-25T12:31:15.202Z",
"group": "CBC",
"search": "AllSky",
"area_50": 378.52143399023635,
"area_90": 1410.8526175999716,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.35766821121312714,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "a41a28b9953a9f8afbbe81dfdf17621f",
"classification": {
"BBH": 0.0,
"BNS": 0.000785819,
"NSBH": 0.000546078,
"Terrestrial": 0.998668103
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-25T12:36:22Z",
"superevent_id": "S241125cj",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-25T12:36:23.018183Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-25T12:36:23.018202Z",
"modified": "2024-11-25T12:36:23.025763Z"
}
},
{
"id": 981,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1742,
"topic": "igwn.gwalert",
"uuid": "58fd9623-9bdf-49e9-80ad-23b881c06510",
"title": "S230801am - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230801am/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230801am/view/"
},
"event": {
"far": 1.44293e-05,
"time": "2023-08-01T23:08:12.227Z",
"group": "Burst",
"search": "BBH",
"area_50": 2140.1987952884756,
"area_90": 6202.380038110525,
"duration": 0.024542,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6914dcac0520e3a06a1819a7bff6481e",
"classification": {},
"skymap_version": 0,
"central_frequency": 55.496223
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-01T23:16:10Z",
"superevent_id": "S230801am",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-01T23:16:11.760474Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-01T23:16:11.760495Z",
"modified": "2023-08-01T23:16:11.766659Z"
}
},
{
"id": 8804,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 259984,
"topic": "igwn.gwalert",
"uuid": "036bde6f-a286-40de-9aa5-5776502e2a80",
"title": "S250620az - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250620az/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250620az/view/"
},
"event": {
"far": 2.20067e-05,
"time": "2025-06-20T10:10:35.858Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1299.2265627868867,
"area_90": 4782.29519041323,
"duration": 0.015026,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "12e573f3af5ae41a87390ded3414bb3b",
"classification": {},
"skymap_version": 0,
"central_frequency": 434.904449
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-20T10:16:43Z",
"superevent_id": "S250620az",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-20T10:16:44.376996Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-20T10:16:44.377017Z",
"modified": "2025-06-20T10:16:44.384506Z"
}
},
{
"id": 983,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1747,
"topic": "igwn.gwalert",
"uuid": "d81d3e9c-d650-49c6-a311-27fc66bb41df",
"title": "S230801at - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230801at/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230801at/view/"
},
"event": {
"far": 5.38303e-06,
"time": "2023-08-01T23:58:25.059Z",
"group": "Burst",
"search": "BBH",
"area_50": 1048.2777628687475,
"area_90": 3820.4646730012314,
"duration": 0.007844,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "ede987ca36900ca94ed27caa0588bf2f",
"classification": {},
"skymap_version": 0,
"central_frequency": 101.777153
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-02T00:04:02Z",
"superevent_id": "S230801at",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-02T00:04:02.804168Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-02T00:04:02.804197Z",
"modified": "2023-08-02T00:04:02.812688Z"
}
},
{
"id": 10038,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5773598,
"topic": "igwn.gwalert",
"uuid": "8b758ebb-54b1-454a-a1a9-336c681f6ea1",
"title": "S250829cj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250829cj/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250829cj/view/"
},
"event": {
"far": 1.07049e-05,
"time": "2025-08-29T07:46:48.387Z",
"group": "CBC",
"search": "BBH",
"area_50": 536.3086392899357,
"area_90": 1809.5170990752756,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "da0d03954030c206fc1565072716d419",
"classification": {
"BBH": 0.001712377369974094,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9982876226300259
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-08-29T07:55:18Z",
"superevent_id": "S250829cj",
"external_coinc": null
},
"message_text": "",
"published": "2025-08-29T07:55:19.668137Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-08-29T07:55:19.668153Z",
"modified": "2025-08-29T07:55:19.671242Z"
}
},
{
"id": 985,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1756,
"topic": "igwn.gwalert",
"uuid": "18601f6a-849e-406b-a3c4-50ffd30a0927",
"title": "S230802o - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230802o/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230802o/view/"
},
"event": {
"far": 1.05246e-05,
"time": "2023-08-02T03:35:27.027Z",
"group": "Burst",
"search": "BBH",
"area_50": 2584.185133605183,
"area_90": 8691.724989806846,
"duration": 0.01959,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9e60a7e1dd75a5de08522e7656e6f072",
"classification": {},
"skymap_version": 0,
"central_frequency": 40.063313
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-02T03:42:36Z",
"superevent_id": "S230802o",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-02T03:42:36.714161Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-02T03:42:36.714182Z",
"modified": "2023-08-02T03:42:36.720337Z"
}
},
{
"id": 6302,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148838,
"topic": "igwn.gwalert",
"uuid": "17ba5bd7-3bd1-4f6c-9fa7-5764d0c4bd0b",
"title": "S241125do - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241125do/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241125do/view/"
},
"event": {
"far": 1.94539e-05,
"time": "2024-11-25T15:10:13.352Z",
"group": "CBC",
"search": "BBH",
"area_50": 501.89759983627783,
"area_90": 1596.3365131916398,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "5dbe93faabaac796a5f3c014aa1e8ee3",
"classification": {
"BBH": 0.0008912668175191651,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9991087331824808
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-25T15:18:30Z",
"superevent_id": "S241125do",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-25T15:18:30.794722Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-25T15:18:30.794737Z",
"modified": "2024-11-25T15:18:30.799329Z"
}
},
{
"id": 987,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1759,
"topic": "igwn.gwalert",
"uuid": "78aeebe0-a5e3-4997-b4ac-009f91f22fbc",
"title": "S230802r - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230802r/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230802r/view/"
},
"event": {
"far": 8.814963324380413e-06,
"time": "2023-08-02T04:17:31.194Z",
"group": "CBC",
"search": "AllSky",
"area_50": 517.2147088613816,
"area_90": 1801.333986034467,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.2647196653761191,
"HasRemnant": 0.2750834257512376
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "3b83b2bca46bdde72481bc02bac88ad0",
"classification": {
"BBH": 0.00021732677378883604,
"BNS": 0.0,
"NSBH": 0.0020347467796232315,
"Terrestrial": 0.9977479264465879
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-02T04:22:54Z",
"superevent_id": "S230802r",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-02T04:22:55.310074Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-02T04:22:55.310095Z",
"modified": "2023-08-02T04:22:55.316291Z"
}
},
{
"id": 6303,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148839,
"topic": "igwn.gwalert",
"uuid": "b9e782c5-4308-4343-b751-4bc62427c686",
"title": "S241125dq - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241125dq/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241125dq/view/"
},
"event": {
"far": 1.22667e-05,
"time": "2024-11-25T15:12:28.192Z",
"group": "Burst",
"search": "AllSky",
"area_50": 835.7266472190197,
"area_90": 3257.5084604758417,
"duration": 0.069105,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "8e79a71da14ab814cbe27e408e18e7bc",
"classification": {},
"skymap_version": 0,
"central_frequency": 957.426758
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-25T15:19:15Z",
"superevent_id": "S241125dq",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-25T15:19:16.010613Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-25T15:19:16.010629Z",
"modified": "2024-11-25T15:19:16.015257Z"
}
},
{
"id": 989,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1764,
"topic": "igwn.gwalert",
"uuid": "90096426-7f78-4929-aa16-5c3031f8e664",
"title": "S230802x - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230802x/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230802x/view/"
},
"event": {
"far": 3.192886208981802e-06,
"time": "2023-08-02T05:05:47.057Z",
"group": "CBC",
"search": "AllSky",
"area_50": 434.01972627982474,
"area_90": 1810.356392720487,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.4841043579724783,
"HasRemnant": 0.559630876694722
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6c968bd0de6bcd0822bb2940021a71be",
"classification": {
"BBH": 0.0,
"BNS": 0.001076778310501236,
"NSBH": 0.005850489105446186,
"Terrestrial": 0.9930727325840526
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-02T05:10:49Z",
"superevent_id": "S230802x",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-02T05:10:50.327590Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-02T05:10:50.327635Z",
"modified": "2023-08-02T05:10:50.334162Z"
}
},
{
"id": 8806,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 260033,
"topic": "igwn.gwalert",
"uuid": "8ba1953e-6bc7-4b56-8e4b-ba2fc128cf1f",
"title": "S250620bb - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250620bb/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250620bb/view/"
},
"event": {
"far": 1.57756e-05,
"time": "2025-06-20T10:21:55.566Z",
"group": "CBC",
"search": "BBH",
"area_50": 235.00222065912672,
"area_90": 803.2040184670869,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.05978696303696305,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "1add127b009009f795ad0c28a0dc0999",
"classification": {
"BBH": 0.0014766634003864354,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9985233365996136
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-20T10:27:30Z",
"superevent_id": "S250620bb",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-20T10:27:31.701851Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-20T10:27:31.701894Z",
"modified": "2025-06-20T10:27:31.714015Z"
}
},
{
"id": 991,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1767,
"topic": "igwn.gwalert",
"uuid": "239adc93-e29b-4a45-954e-838bf489e92e",
"title": "S230802ac - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230802ac/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230802ac/view/"
},
"event": {
"far": 1.71289e-05,
"time": "2023-08-02T05:43:10.301Z",
"group": "Burst",
"search": "BBH",
"area_50": 2444.023094854918,
"area_90": 8369.436230045758,
"duration": 0.021837,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "3f9886ec631cc9e7b699208f0929a043",
"classification": {},
"skymap_version": 0,
"central_frequency": 28.730482
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-02T05:50:01Z",
"superevent_id": "S230802ac",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-02T05:50:02.566028Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-02T05:50:02.566053Z",
"modified": "2023-08-02T05:50:02.572505Z"
}
},
{
"id": 6305,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148845,
"topic": "igwn.gwalert",
"uuid": "3d30fd55-438b-49a9-8595-6580705e726b",
"title": "S241125dy - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241125dy/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241125dy/view/"
},
"event": {
"far": 3.685311185108731e-06,
"time": "2024-11-25T15:36:03.887Z",
"group": "CBC",
"search": "AllSky",
"area_50": 822.5077723069437,
"area_90": 4366.844836033701,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.45594227994228,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "584efbcae69152582037bab64dc20013",
"classification": {
"BBH": 0.0,
"BNS": 0.004651792276014469,
"NSBH": 0.0019774177583727196,
"Terrestrial": 0.9933707899656128
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-25T15:41:15Z",
"superevent_id": "S241125dy",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-25T15:41:16.570700Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-25T15:41:16.570718Z",
"modified": "2024-11-25T15:41:16.574897Z"
}
},
{
"id": 993,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1775,
"topic": "igwn.gwalert",
"uuid": "a38be3ec-0ad4-4422-842b-a0b4038778ee",
"title": "S230802ag - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230802ag/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230802ag/view/"
},
"event": {
"far": 1.862012868514284e-05,
"time": "2023-08-02T08:43:44.767Z",
"group": "CBC",
"search": "AllSky",
"area_50": 614.3629482945743,
"area_90": 2123.4129223842524,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.011242979242979243,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "7f978c59264e34d535c8cebf6fe27a7b",
"classification": {
"BBH": 0.03793327246468882,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9620667275353112
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-02T08:49:12Z",
"superevent_id": "S230802ag",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-02T08:49:13.961314Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-02T08:49:13.961343Z",
"modified": "2023-08-02T08:49:13.967420Z"
}
},
{
"id": 10620,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782624,
"topic": "igwn.gwalert",
"uuid": "d05eac89-cafe-4de2-abee-5cb1c8bc2b2e",
"title": "S250928m - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250928m/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250928m/view/"
},
"event": {
"far": 1.837667e-05,
"time": "2025-09-28T01:57:46.507Z",
"group": "CBC",
"search": "AllSky",
"area_50": 424.42030521272204,
"area_90": 2646.2928633508095,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.1374276613686777,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "6bb4b836f7c392916c8d4eef74b4f185",
"classification": {
"BBH": 0.000175282,
"BNS": 0.0,
"NSBH": 0.000508318,
"Terrestrial": 0.9993164
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-28T02:03:20Z",
"superevent_id": "S250928m",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-28T02:03:21.289518Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-28T02:03:21.289536Z",
"modified": "2025-09-28T02:03:21.295362Z"
}
},
{
"id": 995,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1779,
"topic": "igwn.gwalert",
"uuid": "f2510c3b-e926-48a9-95b1-0e4f1386d943",
"title": "S230802aj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230802aj/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230802aj/view/"
},
"event": {
"far": 1.57413e-05,
"time": "2023-08-02T09:36:26.629Z",
"group": "Burst",
"search": "BBH",
"area_50": 1707.1232743595135,
"area_90": 5912.823730512672,
"duration": 0.045547,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "992effdb09cc711e63fb1718f0e3e455",
"classification": {},
"skymap_version": 0,
"central_frequency": 49.89444
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-02T09:42:30Z",
"superevent_id": "S230802aj",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-02T09:42:30.906579Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-02T09:42:30.906640Z",
"modified": "2023-08-02T09:42:30.913390Z"
}
},
{
"id": 6307,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148856,
"topic": "igwn.gwalert",
"uuid": "e2af80b0-19f3-46e1-9a90-a4c8eb9e8486",
"title": "S241125eh - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241125eh/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241125eh/view/"
},
"event": {
"far": 2.257636623600882e-05,
"time": "2024-11-25T16:15:14.910Z",
"group": "CBC",
"search": "AllSky",
"area_50": 200.38135779416615,
"area_90": 975.8886859692842,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "540d71027d07ae6283ad31e56f3c5825",
"classification": {
"BBH": 0.0,
"BNS": 0.0016015125620020276,
"NSBH": 0.0,
"Terrestrial": 0.998398487437998
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-25T16:20:20Z",
"superevent_id": "S241125eh",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-25T16:20:21.923346Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-25T16:20:21.923369Z",
"modified": "2024-11-25T16:20:21.931032Z"
}
},
{
"id": 997,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1783,
"topic": "igwn.gwalert",
"uuid": "44a7b4e4-7dfb-4684-bdd8-e6209d10acf9",
"title": "S230802aq - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230802aq/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230802aq/view/"
},
"event": {
"far": 2.227455849027153e-08,
"time": "2023-08-02T11:33:59.961Z",
"group": "CBC",
"search": "AllSky",
"area_50": 8061.41546225326,
"area_90": 24218.657426213438,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.5718109514772524,
"HasMassGap": 0.6802669108627626,
"HasRemnant": 0.0036135726026186826
},
"instruments": [
"H1"
],
"significant": true,
"skymap_hash": "0a394fdd23715293aab7f9f207fb6c7b",
"classification": {
"BBH": 0.9030120009153612,
"BNS": 3.4911816230730146e-17,
"NSBH": 0.062349231125445236,
"Terrestrial": 0.03463876795919363
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-02T11:39:01Z",
"superevent_id": "S230802aq",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-02T11:39:02.467826Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-02T11:39:02.467855Z",
"modified": "2023-08-02T11:39:02.473826Z"
}
},
{
"id": 1000,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1788,
"topic": "igwn.gwalert",
"uuid": "aa3104ee-f4b4-43cb-bbb2-f3f9744e0cab",
"title": "S230802ar - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230802ar/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230802ar/view/"
},
"event": {
"far": 1.982950489290922e-06,
"time": "2023-08-02T12:50:09.011Z",
"group": "CBC",
"search": "AllSky",
"area_50": 8060.576168608048,
"area_90": 24218.657426213435,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.4640748044021836,
"HasRemnant": 0.9115446518067059
},
"instruments": [
"H1"
],
"significant": false,
"skymap_hash": "d8f6b99aa279dbc728553a6549a574ea",
"classification": {
"BBH": 8.483369080647005e-15,
"BNS": 1.2115042120114238e-15,
"NSBH": 0.04869603585512316,
"Terrestrial": 0.9513039641448672
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-02T12:55:24Z",
"superevent_id": "S230802ar",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-02T12:55:25.691710Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-02T12:55:25.691747Z",
"modified": "2023-08-02T12:55:25.713792Z"
}
},
{
"id": 8808,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 260717,
"topic": "igwn.gwalert",
"uuid": "10c64aa8-6225-49cb-bc53-dc84b72f75b5",
"title": "S250620br - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250620br/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250620br/view/"
},
"event": {
"far": 2.19607e-05,
"time": "2025-06-20T12:57:19.566Z",
"group": "CBC",
"search": "BBH",
"area_50": 1648.372719194732,
"area_90": 5017.297411072356,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "27c77ea5217db2ab69d237a1d1096c6e",
"classification": {
"BBH": 0.0007538363446774055,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9992461636553226
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-20T13:05:42Z",
"superevent_id": "S250620br",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-20T13:05:42.733926Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-20T13:05:42.733958Z",
"modified": "2025-06-20T13:05:42.743392Z"
}
},
{
"id": 1002,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1803,
"topic": "igwn.gwalert",
"uuid": "30512bad-c995-4a54-839c-52440f9a974d",
"title": "S230803d - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230803d/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230803d/view/"
},
"event": {
"far": 1.316182e-05,
"time": "2023-08-03T03:34:12.403Z",
"group": "CBC",
"search": "AllSky",
"area_50": 789.5654967324053,
"area_90": 3436.068183494517,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.007151515151515151,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "cf9c0208718ef55a2122c2e0e2527f6a",
"classification": {
"BBH": 0.037934067,
"BNS": 0.0,
"NSBH": 1.702e-06,
"Terrestrial": 0.962064229
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-03T03:39:14Z",
"superevent_id": "S230803d",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-03T03:39:15.007299Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-03T03:39:15.007324Z",
"modified": "2023-08-03T03:39:15.013903Z"
}
},
{
"id": 6310,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148925,
"topic": "igwn.gwalert",
"uuid": "82abfe48-47db-4b06-bfa8-ece6359be418",
"title": "S241125fb - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241125fb/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241125fb/view/"
},
"event": {
"far": 1.022372650795192e-05,
"time": "2024-11-25T21:37:53.043Z",
"group": "CBC",
"search": "AllSky",
"area_50": 510.92000652229785,
"area_90": 2386.111833335348,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "71bcfc9ced4562ac71feb2faa8d3f648",
"classification": {
"BBH": 0.11712146652514717,
"BNS": 1.4708417538351993e-14,
"NSBH": 1.0339698442354823e-12,
"Terrestrial": 0.8828785334738042
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-25T21:42:55Z",
"superevent_id": "S241125fb",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-25T21:42:55.894642Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-25T21:42:55.894659Z",
"modified": "2024-11-25T21:42:55.899835Z"
}
},
{
"id": 1004,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1810,
"topic": "igwn.gwalert",
"uuid": "101dea40-4620-42c7-9258-8a7c75608ec5",
"title": "S230804b - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230804b/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230804b/view/"
},
"event": {
"far": 1.131470889959019e-05,
"time": "2023-08-04T02:58:20.542Z",
"group": "CBC",
"search": "AllSky",
"area_50": 890.700380980351,
"area_90": 3279.9595654852405,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.01930226774880316,
"HasMassGap": 0.24615904688171514,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "25bc300f13d415b2de45c2a1abbf0c6a",
"classification": {
"BBH": 0.0915168376182428,
"BNS": 0.0,
"NSBH": 0.014984220508529919,
"Terrestrial": 0.8934989418732273
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-04T03:03:25Z",
"superevent_id": "S230804b",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-04T03:03:27.210609Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-04T03:03:27.210636Z",
"modified": "2023-08-04T03:03:27.216789Z"
}
},
{
"id": 10040,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5773603,
"topic": "igwn.gwalert",
"uuid": "3ab62ce7-fa3e-4ac9-a371-093fce42fbb8",
"title": "S250829cl - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250829cl/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250829cl/view/"
},
"event": {
"far": 7.99803e-06,
"time": "2025-08-29T07:59:07.606Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1180.0468651669007,
"area_90": 5244.745988924582,
"duration": 0.011221,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "aa8c96cfce8d68108b70c77f90ddcf44",
"classification": {},
"skymap_version": 0,
"central_frequency": 135.852081
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-08-29T08:05:00Z",
"superevent_id": "S250829cl",
"external_coinc": null
},
"message_text": "",
"published": "2025-08-29T08:05:01.270593Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-08-29T08:05:01.270609Z",
"modified": "2025-08-29T08:05:01.274584Z"
}
},
{
"id": 1006,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1813,
"topic": "igwn.gwalert",
"uuid": "29d770ad-961a-4492-a043-42cb8e6aa60e",
"title": "S230804ai - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230804ai/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230804ai/view/"
},
"event": {
"far": 1.521648e-05,
"time": "2023-08-04T09:49:53.955Z",
"group": "CBC",
"search": "AllSky",
"area_50": 848.5258753084898,
"area_90": 3039.9215829548466,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0391837362684351,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9c86f91e837c2ddf71933f9016c50252",
"classification": {
"BBH": 0.033166889,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.966833111
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-04T09:55:01Z",
"superevent_id": "S230804ai",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-04T09:55:02.924761Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-04T09:55:02.924783Z",
"modified": "2023-08-04T09:55:02.930180Z"
}
},
{
"id": 6312,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148937,
"topic": "igwn.gwalert",
"uuid": "ae338e04-da91-4fc0-a922-e48024879abb",
"title": "S241125ff - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241125ff/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241125ff/view/"
},
"event": {
"far": 2.03316e-05,
"time": "2024-11-25T22:16:40.746Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1182.5647461025342,
"area_90": 4016.020092335433,
"duration": 0.020305,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "ff273966938e0158948919ab36cc6697",
"classification": {},
"skymap_version": 0,
"central_frequency": 1036.563843
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-25T22:25:16Z",
"superevent_id": "S241125ff",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-25T22:25:17.811734Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-25T22:25:17.811750Z",
"modified": "2024-11-25T22:25:17.817696Z"
}
},
{
"id": 1008,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1815,
"topic": "igwn.gwalert",
"uuid": "0ee5a7ae-e87d-4fe0-917b-f8c7fc762fd2",
"title": "S230804al - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230804al/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230804al/view/"
},
"event": {
"far": 2.00426e-05,
"time": "2023-08-04T10:02:57.059Z",
"group": "Burst",
"search": "BBH",
"area_50": 553.0945121941589,
"area_90": 2141.038088933687,
"duration": 0.005746,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "cba728132186ef2f64b97925a250fac4",
"classification": {},
"skymap_version": 0,
"central_frequency": 180.102051
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-04T10:09:50Z",
"superevent_id": "S230804al",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-04T10:09:52.019369Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-04T10:09:52.019402Z",
"modified": "2023-08-04T10:09:52.026501Z"
}
},
{
"id": 8810,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 263286,
"topic": "igwn.gwalert",
"uuid": "a0e44624-a1a0-4a72-bad7-90fee97112f0",
"title": "S250620bz - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250620bz/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250620bz/view/"
},
"event": {
"far": 2.25292e-05,
"time": "2025-06-20T22:54:13.136Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1308.4587928842093,
"area_90": 4947.636038519829,
"duration": 0.018108,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "79211b0fd8e5d97cb3dfaf44ef01e415",
"classification": {},
"skymap_version": 0,
"central_frequency": 767.503723
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-20T23:00:33Z",
"superevent_id": "S250620bz",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-20T23:00:34.644020Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-20T23:00:34.644038Z",
"modified": "2025-06-20T23:00:34.650309Z"
}
},
{
"id": 1010,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1817,
"topic": "igwn.gwalert",
"uuid": "9dd1ee8f-10b1-4acd-aac2-c6e5a9033541",
"title": "S230804ao - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230804ao/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230804ao/view/"
},
"event": {
"far": 1.707622e-06,
"time": "2023-08-04T10:53:56.561Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1677.53817336582,
"area_90": 5198.584838437968,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.7025846001684474,
"HasMassGap": 0.055295052395727365,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "1cb6b477846aebef6845895bd014fa71",
"classification": {
"BBH": 0.225853261,
"BNS": 0.0,
"NSBH": 0.000533985,
"Terrestrial": 0.77361276
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-04T10:59:05Z",
"superevent_id": "S230804ao",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-04T10:59:05.976319Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-04T10:59:05.976352Z",
"modified": "2023-08-04T10:59:05.983060Z"
}
},
{
"id": 6314,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148976,
"topic": "igwn.gwalert",
"uuid": "41af6bc5-dba9-4e41-b89a-fbee902be4d0",
"title": "S241126d - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241126d/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241126d/view/"
},
"event": {
"far": 2.26887e-05,
"time": "2024-11-26T01:40:11.234Z",
"group": "CBC",
"search": "BBH",
"area_50": 836.7757642755337,
"area_90": 2515.3630546978675,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "16ad38bf7be7f4c5891527b9a9d9e5fc",
"classification": {
"BBH": 0.0008578183952906437,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9991421816047094
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-26T01:46:15Z",
"superevent_id": "S241126d",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-26T01:46:16.333529Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-26T01:46:16.333552Z",
"modified": "2024-11-26T01:46:16.341585Z"
}
},
{
"id": 1012,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1822,
"topic": "igwn.gwalert",
"uuid": "336033f0-66f5-46c9-b55e-0aaa8f496fd9",
"title": "S230804av - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230804av/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230804av/view/"
},
"event": {
"far": 1.91626920518277e-05,
"time": "2023-08-04T22:44:18.141Z",
"group": "CBC",
"search": "AllSky",
"area_50": 471.4732051973731,
"area_90": 2151.948906321432,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.03369230769230769,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "bfa12e0faa33c6b7cad1d9551cb07f74",
"classification": {
"BBH": 0.07907856459170236,
"BNS": 1.2478820803773383e-15,
"NSBH": 7.709689189953898e-14,
"Terrestrial": 0.9209214354082194
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-04T22:49:26Z",
"superevent_id": "S230804av",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-04T22:49:27.457311Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-04T22:49:27.457335Z",
"modified": "2023-08-04T22:49:27.460731Z"
}
},
{
"id": 11098,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5795328,
"topic": "igwn.gwalert",
"uuid": "c98aaa36-80ac-445d-8ed4-fae0dfb614e8",
"title": "S251113b - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S251113b/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S251113b/view/"
},
"event": {
"far": 7.57947e-06,
"time": "2025-11-13T00:12:49.244Z",
"group": "Burst",
"search": "AllSky",
"area_50": 768.792979013429,
"area_90": 4351.7375504199,
"duration": 0.061151,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "56424736b71bafec12f2b20efbeeccaf",
"classification": {},
"skymap_version": 0,
"central_frequency": 828.420959
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-11-13T00:19:08Z",
"superevent_id": "S251113b",
"external_coinc": null
},
"message_text": "",
"published": "2025-11-13T00:34:32.249847Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-11-13T00:34:32.249874Z",
"modified": "2025-11-13T00:34:32.255623Z"
}
},
{
"id": 1015,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1826,
"topic": "igwn.gwalert",
"uuid": "1d85fd3e-635f-499d-bd21-0461c42c7624",
"title": "S230805c - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805c/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805c/view/"
},
"event": {
"far": 2.10017791978294e-05,
"time": "2023-08-05T00:03:39.212Z",
"group": "CBC",
"search": "AllSky",
"area_50": 509.4512426431783,
"area_90": 1743.6325479261993,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.45594227994228,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9d256094b7e6da92059de8c95c074467",
"classification": {
"BBH": 0.0,
"BNS": 0.0021589511898702216,
"NSBH": 0.0,
"Terrestrial": 0.9978410488101298
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T00:08:53Z",
"superevent_id": "S230805c",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T00:08:54.847887Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T00:08:54.847920Z",
"modified": "2023-08-05T00:08:54.851434Z"
}
},
{
"id": 6316,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 148989,
"topic": "igwn.gwalert",
"uuid": "3dca8212-02f6-4de7-a572-eff091d099ac",
"title": "S241126o - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241126o/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241126o/view/"
},
"event": {
"far": 1.87309e-05,
"time": "2024-11-26T02:39:55.508Z",
"group": "CBC",
"search": "BBH",
"area_50": 2498.577181793644,
"area_90": 7490.695783509665,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "307289ba653a4e7d31479a9fe7807c14",
"classification": {
"BBH": 0.0015699419640329282,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9984300580359671
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-26T02:45:45Z",
"superevent_id": "S241126o",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-26T02:45:46.283049Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-26T02:45:46.283074Z",
"modified": "2024-11-26T02:45:46.290870Z"
}
},
{
"id": 1017,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1829,
"topic": "igwn.gwalert",
"uuid": "9f1801e1-16c0-4f64-ae68-d1179b5b58f7",
"title": "S230805k - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805k/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805k/view/"
},
"event": {
"far": 1.885659730760381e-05,
"time": "2023-08-05T01:48:51.214Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2694.1326011278456,
"area_90": 9930.522410138527,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "25936b7f46212d8fea98396c42aba74a",
"classification": {
"BBH": 0.0,
"BNS": 0.12201184473226603,
"NSBH": 0.0,
"Terrestrial": 0.877988155267734
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T01:54:07Z",
"superevent_id": "S230805k",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T01:54:08.131691Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T01:54:08.131712Z",
"modified": "2023-08-05T01:54:08.135249Z"
}
},
{
"id": 8812,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 264208,
"topic": "igwn.gwalert",
"uuid": "98961c88-d0d7-418d-8f53-30e32292f897",
"title": "S250621f - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250621f/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250621f/view/"
},
"event": {
"far": 1.21449e-05,
"time": "2025-06-21T02:29:08.074Z",
"group": "CBC",
"search": "BBH",
"area_50": 1885.053527144281,
"area_90": 6153.701006688277,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "eaeeabb9ed70416e409c87fb7241024c",
"classification": {
"BBH": 0.0030984215144327365,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9969015784855673
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-21T02:34:57Z",
"superevent_id": "S250621f",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-21T02:34:57.873686Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-21T02:34:57.873716Z",
"modified": "2025-06-21T02:34:57.880806Z"
}
},
{
"id": 1019,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1831,
"topic": "igwn.gwalert",
"uuid": "f41d737f-7382-4d2a-b5d9-e4898efeea87",
"title": "S230805s - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805s/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805s/view/"
},
"event": {
"far": 1.17836e-05,
"time": "2023-08-05T03:11:51.531Z",
"group": "Burst",
"search": "BBH",
"area_50": 1514.9250296061564,
"area_90": 5896.87715125366,
"duration": 0.017219,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "0fbdbdd48f49a32f2eac4de8f7da9d5c",
"classification": {},
"skymap_version": 0,
"central_frequency": 37.83839
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T03:18:17Z",
"superevent_id": "S230805s",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T03:18:17.872025Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T03:18:17.872045Z",
"modified": "2023-08-05T03:18:17.875383Z"
}
},
{
"id": 6318,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 149013,
"topic": "igwn.gwalert",
"uuid": "f50344fb-234f-4080-ae06-ef3182aebb37",
"title": "S241126s - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241126s/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241126s/view/"
},
"event": {
"far": 2.235415002412143e-05,
"time": "2024-11-26T03:59:46.952Z",
"group": "CBC",
"search": "AllSky",
"area_50": 54.00330048405602,
"area_90": 279.69460726662135,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"L1",
"V1"
],
"significant": false,
"skymap_hash": "fc5f58766ffeca70f12a57859cf0a42a",
"classification": {
"BBH": 0.044890737185580336,
"BNS": 2.1249814315897604e-17,
"NSBH": 1.6696255421543366e-15,
"Terrestrial": 0.955109262814418
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-26T04:04:48Z",
"superevent_id": "S241126s",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-26T04:04:49.715658Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-26T04:04:49.715682Z",
"modified": "2024-11-26T04:04:49.725365Z"
}
},
{
"id": 1021,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1833,
"topic": "igwn.gwalert",
"uuid": "a4917be6-96e3-433e-b182-c7135ab5c22f",
"title": "S230805w - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805w/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805w/view/"
},
"event": {
"far": 1.7508e-05,
"time": "2023-08-05T03:31:20.785Z",
"group": "Burst",
"search": "BBH",
"area_50": 3278.2809781948185,
"area_90": 10347.651351808478,
"duration": 0.036331,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "ea66fee3b8e84232999a334470c5d0d9",
"classification": {},
"skymap_version": 0,
"central_frequency": 23.912739
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T03:37:11Z",
"superevent_id": "S230805w",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T03:37:12.339891Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T03:37:12.339912Z",
"modified": "2023-08-05T03:37:12.343225Z"
}
},
{
"id": 10042,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5773607,
"topic": "igwn.gwalert",
"uuid": "bda75374-24f7-47d0-96ef-3f44169c7b1b",
"title": "S250829cq - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250829cq/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250829cq/view/"
},
"event": {
"far": 1.97402e-05,
"time": "2025-08-29T08:28:38.961Z",
"group": "CBC",
"search": "BBH",
"area_50": 782.2216773368077,
"area_90": 2758.7582118091063,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6efb4acda08b67a29539a497dc251dbd",
"classification": {
"BBH": 0.001692916035086034,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.998307083964914
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-08-29T08:35:39Z",
"superevent_id": "S250829cq",
"external_coinc": null
},
"message_text": "",
"published": "2025-08-29T08:35:40.154792Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-08-29T08:35:40.154811Z",
"modified": "2025-08-29T08:35:40.160559Z"
}
},
{
"id": 1023,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1835,
"topic": "igwn.gwalert",
"uuid": "1c965bdd-af87-4dc3-b09b-3b8d7da438bc",
"title": "S230805x - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805x/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230805x/view/"
},
"event": {
"far": 9.185882942507167e-09,
"time": "2023-08-05T03:42:49.972Z",
"group": "CBC",
"search": "AllSky",
"area_50": 644.3676961108735,
"area_90": 2235.0389771973378,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "acb501ced5a65b8d60bba34ebec0ade2",
"classification": {
"BBH": 0.9997500609143566,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.0002499390856434136
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T03:47:53Z",
"superevent_id": "S230805x",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T03:47:54.232276Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T03:47:54.232296Z",
"modified": "2023-08-05T03:47:54.235857Z"
}
},
{
"id": 6320,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 149025,
"topic": "igwn.gwalert",
"uuid": "809b09e8-75db-42ff-bca7-e6546628d286",
"title": "S241126v - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241126v/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241126v/view/"
},
"event": {
"far": 6.25057e-06,
"time": "2024-11-26T04:36:10.519Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1996.679581957366,
"area_90": 7107.138587648162,
"duration": 0.020066,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "a83dc3657910de9962cf40bdcebba591",
"classification": {},
"skymap_version": 0,
"central_frequency": 1688.70813
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-26T04:42:18Z",
"superevent_id": "S241126v",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-26T04:42:19.763527Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-26T04:42:19.763548Z",
"modified": "2024-11-26T04:42:19.770028Z"
}
},
{
"id": 1025,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1837,
"topic": "igwn.gwalert",
"uuid": "c836a750-5f62-4029-a537-71f070dcdfac",
"title": "S230805z - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805z/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805z/view/"
},
"event": {
"far": 5.854e-06,
"time": "2023-08-05T04:10:13.265Z",
"group": "Burst",
"search": "AllSky",
"area_50": 132.6083959433644,
"area_90": 521.2013536761345,
"duration": 0.00779,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "3d096cbc9adc543c743deb1d3ded9013",
"classification": {},
"skymap_version": 0,
"central_frequency": 279.889465
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T04:16:26Z",
"superevent_id": "S230805z",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T04:16:28.140262Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T04:16:28.140282Z",
"modified": "2023-08-05T04:16:28.143850Z"
}
},
{
"id": 8814,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 264273,
"topic": "igwn.gwalert",
"uuid": "c31a73c8-2430-45d8-9325-707928fc1137",
"title": "S250621i - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250621i/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250621i/view/"
},
"event": {
"far": 8.947369395453239e-06,
"time": "2025-06-21T02:45:04.636Z",
"group": "CBC",
"search": "AllSky",
"area_50": 243.86725978666973,
"area_90": 2385.272539690137,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.011201769245247507,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "e8db2548cf60f00b48110c24df3262f5",
"classification": {
"BBH": 0.1282123282875676,
"BNS": 4.412053788226244e-18,
"NSBH": 3.523272945498596e-16,
"Terrestrial": 0.871787671712432
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-21T02:50:03Z",
"superevent_id": "S250621i",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-21T02:50:04.823047Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-21T02:50:04.823067Z",
"modified": "2025-06-21T02:50:04.834174Z"
}
},
{
"id": 1028,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1841,
"topic": "igwn.gwalert",
"uuid": "ec8f8189-068b-4433-9f6d-685b772704f3",
"title": "S230805ae - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805ae/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805ae/view/"
},
"event": {
"far": 1.67124e-05,
"time": "2023-08-05T04:40:32.926Z",
"group": "Burst",
"search": "BBH",
"area_50": 2975.295972273587,
"area_90": 10523.903017302822,
"duration": 0.029856,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "204089e0445fbd781913c5f265578279",
"classification": {},
"skymap_version": 0,
"central_frequency": 44.042858
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T04:46:17Z",
"superevent_id": "S230805ae",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T04:46:17.919617Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T04:46:17.919635Z",
"modified": "2023-08-05T04:46:17.922991Z"
}
},
{
"id": 6322,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 149091,
"topic": "igwn.gwalert",
"uuid": "55642de2-1a85-4c18-a570-3f3fdfd6a45f",
"title": "S241126an - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241126an/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241126an/view/"
},
"event": {
"far": 9.021889375233951e-06,
"time": "2024-11-26T06:51:00.389Z",
"group": "CBC",
"search": "AllSky",
"area_50": 434.5442848080817,
"area_90": 2804.0800686505086,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.018157865123382366,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "b358c6a45c0618eccfcd6dd06baf660e",
"classification": {
"BBH": 0.1292196307715814,
"BNS": 6.5169579890877136e-15,
"NSBH": 4.651957255115135e-13,
"Terrestrial": 0.8707803692279469
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-26T06:56:06Z",
"superevent_id": "S241126an",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-26T06:56:07.842019Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-26T06:56:07.842042Z",
"modified": "2024-11-26T06:56:07.850987Z"
}
},
{
"id": 1030,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1843,
"topic": "igwn.gwalert",
"uuid": "f66f74f2-2fa2-4558-a1b0-95b3f0b1655f",
"title": "S230805ak - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805ak/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805ak/view/"
},
"event": {
"far": 7.09544e-06,
"time": "2023-08-05T06:04:22.756Z",
"group": "CBC",
"search": "AllSky",
"area_50": 487.6296078676881,
"area_90": 1900.7902829919906,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.24767626746153393,
"HasRemnant": 0.9162386150956999
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "268af1ea25e62880870a5f6bd522a47f",
"classification": {
"BBH": 0.0,
"BNS": 0.0,
"NSBH": 0.00253094,
"Terrestrial": 0.99746906
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T06:09:31Z",
"superevent_id": "S230805ak",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T06:09:32.916601Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T06:09:32.916622Z",
"modified": "2023-08-05T06:09:32.920029Z"
}
},
{
"id": 10622,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782664,
"topic": "igwn.gwalert",
"uuid": "d0580c2e-52e9-4806-9b56-e02c2ce07b05",
"title": "S250928be - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250928be/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250928be/view/"
},
"event": {
"far": 7.119062118544767e-06,
"time": "2025-09-28T07:14:07.612Z",
"group": "CBC",
"search": "AllSky",
"area_50": 541.1345777498999,
"area_90": 2209.8601678410027,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.14146996685231977,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "f7fc7f8c25e0a8c280c93f8849aec4dd",
"classification": {
"BBH": 0.17170332681442796,
"BNS": 1.6453856170766278e-17,
"NSBH": 1.0229734359397066e-15,
"Terrestrial": 0.828296673185571
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-28T07:19:05Z",
"superevent_id": "S250928be",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-28T07:19:06.450892Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-28T07:19:06.450916Z",
"modified": "2025-09-28T07:19:06.462906Z"
}
},
{
"id": 1032,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1846,
"topic": "igwn.gwalert",
"uuid": "d29dafaa-4008-454c-82b5-fe94811245af",
"title": "S230805as - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805as/files/olib.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805as/view/"
},
"event": {
"far": 1.2955038163333733e-06,
"time": "2023-08-05T07:13:19.798Z",
"group": "Burst",
"search": "AllSky",
"area_50": 66.95989613200341,
"area_90": 507.9824787640588,
"duration": 0.001685298069504045,
"pipeline": "oLIB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "850aae21fe62ddc7fa7d8eb9ac40847c",
"classification": {},
"skymap_version": 0,
"central_frequency": 520.5463701612972
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T07:30:49Z",
"superevent_id": "S230805as",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T07:30:49.778686Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T07:30:49.778707Z",
"modified": "2023-08-05T07:30:49.782294Z"
}
},
{
"id": 6324,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 149122,
"topic": "igwn.gwalert",
"uuid": "32baa855-b812-4090-be92-4a2007fa2d32",
"title": "S241126ax - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241126ax/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241126ax/view/"
},
"event": {
"far": 1.66394e-05,
"time": "2024-11-26T08:58:06.222Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1037.3669454810024,
"area_90": 3275.763097259185,
"duration": 0.010546,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "4dc699b7f569dfa54e331d4b3dbd783a",
"classification": {},
"skymap_version": 0,
"central_frequency": 416.075256
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-26T09:04:13Z",
"superevent_id": "S241126ax",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-26T09:04:13.921502Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-26T09:04:13.921528Z",
"modified": "2024-11-26T09:04:13.931263Z"
}
},
{
"id": 1034,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1848,
"topic": "igwn.gwalert",
"uuid": "d62ddc7c-da82-4b4b-ae38-6ccfffcb810a",
"title": "S230805at - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805at/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805at/view/"
},
"event": {
"far": 1.63145232363604e-05,
"time": "2023-08-05T07:36:29.833Z",
"group": "CBC",
"search": "AllSky",
"area_50": 974.419922090165,
"area_90": 3865.786529842635,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.9120434707211886,
"HasMassGap": 0.7973923888532012,
"HasRemnant": 7.750455301920485e-05
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "631ff233b1bf159ee1cd669f8a7caff6",
"classification": {
"BBH": 0.016472657252441864,
"BNS": 0.0001474870359742113,
"NSBH": 0.15038396703595813,
"Terrestrial": 0.8329958886756258
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T07:41:34Z",
"superevent_id": "S230805at",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T07:41:35.322078Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T07:41:35.322101Z",
"modified": "2023-08-05T07:41:35.325805Z"
}
},
{
"id": 8816,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 264551,
"topic": "igwn.gwalert",
"uuid": "81db07ff-f235-4813-9e82-55534acc5e8e",
"title": "S250621p - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250621p/view/"
},
"event": {
"far": 1.2055711663139705e-06,
"time": "2025-06-21T03:49:00.899Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7290.943895949407,
"area_90": 22764.161539062483,
"duration": 0.1875,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "188ea80dcb5c49fc0b790b93719ea0b8",
"classification": {},
"skymap_version": 0,
"central_frequency": 432.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-21T03:54:20Z",
"superevent_id": "S250621p",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-21T03:54:21.727600Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-21T03:54:21.727630Z",
"modified": "2025-06-21T03:54:21.733745Z"
}
},
{
"id": 6326,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 149159,
"topic": "igwn.gwalert",
"uuid": "868f5d88-b07a-41ed-983c-ca302d857a40",
"title": "S241126bi - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241126bi/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241126bi/view/"
},
"event": {
"far": 1.153499146570745e-05,
"time": "2024-11-26T10:02:23.851Z",
"group": "CBC",
"search": "AllSky",
"area_50": 978.196743493615,
"area_90": 4679.062072052256,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.20088211197752057,
"HasMassGap": 0.9406166117661889,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "651a8d4546593a205e354a1da56f05f5",
"classification": {
"BBH": 0.08434733581933858,
"BNS": 4.1861398844431906e-20,
"NSBH": 0.0004620575477512255,
"Terrestrial": 0.9151906066329102
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-26T10:07:26Z",
"superevent_id": "S241126bi",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-26T10:07:27.434476Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-26T10:07:27.434497Z",
"modified": "2024-11-26T10:07:27.442504Z"
}
},
{
"id": 1037,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1851,
"topic": "igwn.gwalert",
"uuid": "cd00cd53-4444-4c19-8519-69a883eb2f19",
"title": "S230805av - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805av/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805av/view/"
},
"event": {
"far": 7.504549609444132e-06,
"time": "2023-08-05T07:58:49.895Z",
"group": "CBC",
"search": "AllSky",
"area_50": 422.5843503638225,
"area_90": 1856.5175432071014,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.1245634360584753,
"HasRemnant": 0.2672544075176723
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "4bc084f868851a7a1ea1a8027721c274",
"classification": {
"BBH": 0.0,
"BNS": 0.00016712862660064835,
"NSBH": 0.002903160541214051,
"Terrestrial": 0.9969297108321853
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T08:03:54Z",
"superevent_id": "S230805av",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T08:03:55.891894Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T08:03:55.891914Z",
"modified": "2023-08-05T08:03:55.895525Z"
}
},
{
"id": 1038,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1852,
"topic": "igwn.gwalert",
"uuid": "b5554179-2e26-413f-ae5e-907d79cc7c85",
"title": "S230805ax - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805ax/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805ax/view/"
},
"event": {
"far": 3.558867774700047e-06,
"time": "2023-08-05T07:59:54.484Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2303.021762459442,
"area_90": 7981.682565958199,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "4bb10048313963f9b17c3a7057b290d3",
"classification": {
"BBH": 0.0788712432894497,
"BNS": 0.0,
"NSBH": 0.20766809429269403,
"Terrestrial": 0.7134606624178563
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T08:05:07Z",
"superevent_id": "S230805ax",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T08:05:09.069243Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T08:05:09.069266Z",
"modified": "2023-08-05T08:05:09.073191Z"
}
},
{
"id": 10044,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5773618,
"topic": "igwn.gwalert",
"uuid": "39fb47a9-5e5f-44ca-8156-3b3ff346ea1a",
"title": "S250829da - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250829da/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250829da/view/"
},
"event": {
"far": 4.659672298974652e-06,
"time": "2025-08-29T09:26:47.642Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1182.98439292514,
"area_90": 5579.624153363838,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.015682288725766987,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "b5e2a8bc5c8380cfc6b2a87d3b4ed4a6",
"classification": {
"BBH": 0.3149149697098072,
"BNS": 3.7991128216537954e-15,
"NSBH": 2.8935917431502036e-13,
"Terrestrial": 0.6850850302898996
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-08-29T09:31:48Z",
"superevent_id": "S250829da",
"external_coinc": null
},
"message_text": "",
"published": "2025-08-29T09:31:50.080091Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-08-29T09:31:50.080120Z",
"modified": "2025-08-29T09:31:50.088413Z"
}
},
{
"id": 1040,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1854,
"topic": "igwn.gwalert",
"uuid": "36d08519-7218-40d5-ba3f-4e24284e128e",
"title": "S230805bg - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805bg/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805bg/view/"
},
"event": {
"far": 4.231099121172271e-06,
"time": "2023-08-05T10:49:14.414Z",
"group": "CBC",
"search": "AllSky",
"area_50": 248.64074239380824,
"area_90": 1255.5832932359056,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.4275621998953919,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "50c9483acbb29810f4d9a4f449a935fc",
"classification": {
"BBH": 3.6691713791320654e-15,
"BNS": 5.239557154251209e-16,
"NSBH": 0.02515865584937958,
"Terrestrial": 0.9748413441506162
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T10:54:16Z",
"superevent_id": "S230805bg",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T10:54:17.839676Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T10:54:17.839697Z",
"modified": "2023-08-05T10:54:17.843153Z"
}
},
{
"id": 6328,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 149186,
"topic": "igwn.gwalert",
"uuid": "af0ce84e-b1bf-4d08-8ec0-a38d2da7f01c",
"title": "S241126bv - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241126bv/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241126bv/view/"
},
"event": {
"far": 5.28379e-06,
"time": "2024-11-26T10:55:55.479Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1489.7462202498216,
"area_90": 6474.311179158944,
"duration": 0.113962,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "e6cdb33bf3994e853aa686565d348c06",
"classification": {},
"skymap_version": 0,
"central_frequency": 828.789124
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-26T11:04:53Z",
"superevent_id": "S241126bv",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-26T11:04:54.258826Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-26T11:04:54.258847Z",
"modified": "2024-11-26T11:04:54.264365Z"
}
},
{
"id": 1042,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1857,
"topic": "igwn.gwalert",
"uuid": "86da4e98-7501-48f0-b63b-7e19fee475f1",
"title": "S230805bm - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805bm/files/cwb.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230805bm/view/"
},
"event": {
"far": 2.73048e-07,
"time": "2023-08-05T11:59:27.816Z",
"group": "Burst",
"search": "AllSky",
"area_50": 3658.69082288678,
"area_90": 11616.873166779065,
"duration": 0.014596,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "281037e3a2b4b38e9f27afc1b2a3db04",
"classification": {},
"skymap_version": 1,
"central_frequency": 1369.0354
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T12:05:41Z",
"superevent_id": "S230805bm",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T12:05:43.038478Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T12:05:43.038500Z",
"modified": "2023-08-05T12:05:43.042205Z"
}
},
{
"id": 8818,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 264980,
"topic": "igwn.gwalert",
"uuid": "a6b345e1-872b-4eac-83e5-98c68cfc1935",
"title": "S250621w - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250621w/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250621w/view/"
},
"event": {
"far": 8.69535e-06,
"time": "2025-06-21T05:27:38.781Z",
"group": "CBC",
"search": "BBH",
"area_50": 838.4543515659559,
"area_90": 2777.2226720037515,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "d1c65f242d9f263093f2b584244de987",
"classification": {
"BBH": 0.0032076095501319957,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.996792390449868
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-21T05:33:56Z",
"superevent_id": "S250621w",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-21T05:33:57.447685Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-21T05:33:57.447703Z",
"modified": "2025-06-21T05:33:57.458074Z"
}
},
{
"id": 1045,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1861,
"topic": "igwn.gwalert",
"uuid": "e05b79e5-f4a1-4eb0-bd25-1f30f0732769",
"title": "S230805bo - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805bo/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805bo/view/"
},
"event": {
"far": 1.803854006241028e-05,
"time": "2023-08-05T13:38:45.945Z",
"group": "CBC",
"search": "AllSky",
"area_50": 474.8303797782177,
"area_90": 1768.3917104599288,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "5f36c35122459f8e917d941965e626b8",
"classification": {
"BBH": 0.0,
"BNS": 0.0028522622834903457,
"NSBH": 0.0,
"Terrestrial": 0.9971477377165097
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T13:43:45Z",
"superevent_id": "S230805bo",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T13:43:47.493032Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T13:43:47.493054Z",
"modified": "2023-08-05T13:43:47.496690Z"
}
},
{
"id": 6330,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 149206,
"topic": "igwn.gwalert",
"uuid": "4f6374d6-3fae-43fb-a621-6ddf68ebce44",
"title": "S241126bz - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241126bz/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S241126bz/view/"
},
"event": {
"far": 1.76315e-05,
"time": "2024-11-26T11:19:09.669Z",
"group": "Burst",
"search": "AllSky",
"area_50": 839.293645211167,
"area_90": 3056.7074558590703,
"duration": 0.022734,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "74bc85fd599b1ce9ecdcedb10f9b2c29",
"classification": {},
"skymap_version": 0,
"central_frequency": 398.457306
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-26T11:27:38Z",
"superevent_id": "S241126bz",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-26T11:27:39.753495Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-26T11:27:39.753517Z",
"modified": "2024-11-26T11:27:39.760845Z"
}
},
{
"id": 1047,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1868,
"topic": "igwn.gwalert",
"uuid": "e09dbad7-4f17-4591-9e1c-3e504ff4dd7b",
"title": "S230805cj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805cj/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805cj/view/"
},
"event": {
"far": 1.213851101056207e-05,
"time": "2023-08-05T22:08:16.212Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2771.3476164872736,
"area_90": 8906.584162980906,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.18364594723877947,
"HasMassGap": 0.12023427955959926,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "0331bc0a95e78d6f39aaa9c3ef54406e",
"classification": {
"BBH": 0.12728848932203887,
"BNS": 0.0,
"NSBH": 0.016100308398196327,
"Terrestrial": 0.8566112022797648
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T22:13:15Z",
"superevent_id": "S230805cj",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T22:13:16.336265Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T22:13:16.336284Z",
"modified": "2023-08-05T22:13:16.341748Z"
}
},
{
"id": 11035,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5794233,
"topic": "igwn.gwalert",
"uuid": "999e9005-69a2-488e-9405-28591b5a0354",
"title": "S251110ah - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S251110ah/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S251110ah/view/"
},
"event": {
"far": 7.43381e-06,
"time": "2025-11-10T04:21:42.125Z",
"group": "CBC",
"search": "BBH",
"area_50": 1636.6226081617758,
"area_90": 5079.405140817983,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "a977545290b6af5f0078118158ca79b8",
"classification": {
"BBH": 0.002864013331177473,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9971359866688225
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-11-10T04:28:11Z",
"superevent_id": "S251110ah",
"external_coinc": null
},
"message_text": "",
"published": "2025-11-10T04:28:12.366996Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-11-10T04:28:12.367020Z",
"modified": "2025-11-10T04:28:12.375604Z"
}
},
{
"id": 1049,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1872,
"topic": "igwn.gwalert",
"uuid": "a5ef3614-437b-4899-b8fa-ba26883df854",
"title": "S230806f - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230806f/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230806f/view/"
},
"event": {
"far": 4.148255356994923e-06,
"time": "2023-08-06T04:06:27.694Z",
"group": "CBC",
"search": "AllSky",
"area_50": 292.9134821786973,
"area_90": 1137.8723594950395,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "299221fb022b3704a793e7ab75ba4e0e",
"classification": {
"BBH": 0.0,
"BNS": 0.16109806447521738,
"NSBH": 0.0,
"Terrestrial": 0.8389019355247826
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-06T04:11:28Z",
"superevent_id": "S230806f",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-06T04:11:28.803983Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-06T04:11:28.804005Z",
"modified": "2023-08-06T04:11:28.809272Z"
}
},
{
"id": 6332,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 149225,
"topic": "igwn.gwalert",
"uuid": "6779cf56-6f08-41ca-b60f-1d363a5a3796",
"title": "S241126cg - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241126cg/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241126cg/view/"
},
"event": {
"far": 3.998311028005305e-06,
"time": "2024-11-26T12:29:14.993Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2657.2036807385543,
"area_90": 9865.057505812056,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "1eee42708cd1637aa1d184fb50a53cf9",
"classification": {
"BBH": 0.30729080601582714,
"BNS": 5.767164418393878e-45,
"NSBH": 1.6627874662760558e-42,
"Terrestrial": 0.6927091939841729
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-26T12:34:19Z",
"superevent_id": "S241126cg",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-26T12:34:19.730173Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-26T12:34:19.730200Z",
"modified": "2024-11-26T12:34:19.735245Z"
}
},
{
"id": 1051,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1874,
"topic": "igwn.gwalert",
"uuid": "fd13736e-ab34-4fc8-b60d-0e9be0312084",
"title": "S230806h - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230806h/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230806h/view/"
},
"event": {
"far": 1.73432e-05,
"time": "2023-08-06T04:44:28.803Z",
"group": "Burst",
"search": "AllSky",
"area_50": 909.7943114089048,
"area_90": 3811.232442903908,
"duration": 0.019742,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "d3a6ff5cca9bb9a1745c05f4064cb914",
"classification": {},
"skymap_version": 0,
"central_frequency": 433.658112
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-06T04:52:15Z",
"superevent_id": "S230806h",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-06T04:52:16.457341Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-06T04:52:16.457363Z",
"modified": "2023-08-06T04:52:16.462514Z"
}
},
{
"id": 8820,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 265085,
"topic": "igwn.gwalert",
"uuid": "58930d2b-5007-403a-a796-b6a124a39606",
"title": "S250621ad - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250621ad/view/"
},
"event": {
"far": 2.107804865448943e-05,
"time": "2025-06-21T05:52:35.135Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7214.568174235192,
"area_90": 22459.497945850828,
"duration": 0.09375,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c1aa180599ce040bd0182344a32ae5b5",
"classification": {},
"skymap_version": 0,
"central_frequency": 232.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-21T05:57:49Z",
"superevent_id": "S250621ad",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-21T05:57:49.433770Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-21T05:57:49.433790Z",
"modified": "2025-06-21T05:57:49.439331Z"
}
},
{
"id": 1053,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1879,
"topic": "igwn.gwalert",
"uuid": "43e87b48-8263-4f98-8433-35f5947d8ac7",
"title": "S230806t - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230806t/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230806t/view/"
},
"event": {
"far": 2.314595258212648e-05,
"time": "2023-08-06T11:21:21.741Z",
"group": "CBC",
"search": "AllSky",
"area_50": 261.3350587776271,
"area_90": 1054.9921120304368,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.006653086158245696,
"HasMassGap": 0.7959038842870342,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "1c0facdbadc8f8c87c7ded089360de4e",
"classification": {
"BBH": 0.009072829914963243,
"BNS": 0.0,
"NSBH": 0.021620062334850084,
"Terrestrial": 0.9693071077501867
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-06T11:26:17Z",
"superevent_id": "S230806t",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-06T11:26:19.135613Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-06T11:26:19.135633Z",
"modified": "2023-08-06T11:26:19.140838Z"
}
},
{
"id": 6334,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 149260,
"topic": "igwn.gwalert",
"uuid": "d1bcdf26-3c40-4294-a1bb-9bdffc71bb78",
"title": "S241126cm - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241126cm/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241126cm/view/"
},
"event": {
"far": 2.260818109291847e-05,
"time": "2024-11-26T13:14:53.807Z",
"group": "CBC",
"search": "AllSky",
"area_50": 571.9786192114103,
"area_90": 2016.822629442434,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.07314049360601083,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "df54b0a078aafd35eca0f33676522aa4",
"classification": {
"BBH": 0.0418907850675336,
"BNS": 3.321887480322894e-15,
"NSBH": 2.0547795835719455e-13,
"Terrestrial": 0.9581092149322576
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-26T13:19:56Z",
"superevent_id": "S241126cm",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-26T13:19:56.512273Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-26T13:19:56.512295Z",
"modified": "2024-11-26T13:19:56.521773Z"
}
},
{
"id": 1055,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1881,
"topic": "igwn.gwalert",
"uuid": "98713637-4b98-4514-8c24-56fc6390508f",
"title": "S230806u - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230806u/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230806u/view/"
},
"event": {
"far": 9.72499924485707e-06,
"time": "2023-08-06T11:35:29.438Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1361.9637627664215,
"area_90": 5195.227663857123,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.05584942834942835,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "7605c1b75c750e78841f63a60dc45178",
"classification": {
"BBH": 0.0008381788751128493,
"BNS": 0.0,
"NSBH": 0.003856470987646243,
"Terrestrial": 0.9953053501372409
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-06T11:40:32Z",
"superevent_id": "S230806u",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-06T11:40:33.929286Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-06T11:40:33.929306Z",
"modified": "2023-08-06T11:40:33.934344Z"
}
},
{
"id": 10046,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5773622,
"topic": "igwn.gwalert",
"uuid": "62f62441-f409-41e3-8962-28cb9caedf84",
"title": "S250829db - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250829db/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250829db/view/"
},
"event": {
"far": 9.354603953144371e-06,
"time": "2025-08-29T09:47:53.069Z",
"group": "CBC",
"search": "AllSky",
"area_50": 711.0915409051613,
"area_90": 2682.382490094889,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "fcc5ac47a2a4ce0b0b1d78b0fbab61e8",
"classification": {
"BBH": 0.12478858786017198,
"BNS": 1.5603621595206423e-15,
"NSBH": 1.0528555074730023e-13,
"Terrestrial": 0.8752114121397212
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-08-29T09:52:51Z",
"superevent_id": "S250829db",
"external_coinc": null
},
"message_text": "",
"published": "2025-08-29T09:52:52.470481Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-08-29T09:52:52.470499Z",
"modified": "2025-08-29T09:52:52.473186Z"
}
},
{
"id": 1057,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1884,
"topic": "igwn.gwalert",
"uuid": "b9fa1bce-263d-4018-a6cb-9ce6e3fb2ff8",
"title": "S230806ak - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230806ak/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230806ak/view/"
},
"event": {
"far": 2.958345677553754e-09,
"time": "2023-08-06T20:40:41.938Z",
"group": "CBC",
"search": "AllSky",
"area_50": 813.6951890322265,
"area_90": 3749.124713158283,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.02944733044733045,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "f9c9a0e5a2c49f09299de1564dcdf042",
"classification": {
"BBH": 0.9974244087713245,
"BNS": 6.68974377854143e-20,
"NSBH": 2.678582929871309e-09,
"Terrestrial": 0.0025755885500925446
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-06T20:45:59Z",
"superevent_id": "S230806ak",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-06T20:46:00.724474Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-06T20:46:00.724508Z",
"modified": "2023-08-06T20:46:00.730160Z"
}
},
{
"id": 6336,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 149429,
"topic": "igwn.gwalert",
"uuid": "69617a1a-bca0-4e44-8b51-0b470347c654",
"title": "S241126dm - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241126dm/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241126dm/view/"
},
"event": {
"far": 7.275252503215815e-12,
"time": "2024-11-26T22:53:01.740Z",
"group": "CBC",
"search": "AllSky",
"area_50": 6.478297823973696,
"area_90": 28.011425408922697,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": true,
"skymap_hash": "36f0397033622a4900e857f5d55ee5e8",
"classification": {
"BBH": 0.9999878764295088,
"BNS": 8.115269536520902e-55,
"NSBH": 8.196557882561418e-53,
"Terrestrial": 1.2123570491184843e-05
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-26T22:58:18Z",
"superevent_id": "S241126dm",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-26T22:58:20.045849Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-26T22:58:20.045874Z",
"modified": "2024-11-26T22:58:20.054932Z"
}
},
{
"id": 1061,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1897,
"topic": "igwn.gwalert",
"uuid": "27dae775-147d-4f16-8f02-906bae527d41",
"title": "S230807f - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230807f/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230807f/view/"
},
"event": {
"far": 7.141757350979996e-08,
"time": "2023-08-07T20:50:45.416Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1932.683441510015,
"area_90": 6087.396808716594,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.04264138160689884,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "a50a800cb00b980d220e91b359ca696b",
"classification": {
"BBH": 0.9531444746139138,
"BNS": 7.709956723248038e-16,
"NSBH": 5.975891496337405e-14,
"Terrestrial": 0.046855525386025665
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-07T20:56:06Z",
"superevent_id": "S230807f",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-07T20:56:07.181801Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-07T20:56:07.181832Z",
"modified": "2023-08-07T20:56:07.187976Z"
}
},
{
"id": 8822,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 265525,
"topic": "igwn.gwalert",
"uuid": "e4e5497b-e62a-42c0-8913-a3430b5708ce",
"title": "S250621al - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250621al/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250621al/view/"
},
"event": {
"far": 1.488588168562498e-05,
"time": "2025-06-21T07:34:44.460Z",
"group": "CBC",
"search": "AllSky",
"area_50": 403.80515505222274,
"area_90": 1835.535202076822,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.013166666666666667,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "6ef7221b9ab5e79e60dbf0d41583373e",
"classification": {
"BBH": 0.0,
"BNS": 0.0015468574819348351,
"NSBH": 0.0005854503797038142,
"Terrestrial": 0.9978676921383614
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-06-21T07:39:44Z",
"superevent_id": "S250621al",
"external_coinc": null
},
"message_text": "",
"published": "2025-06-21T07:39:45.323942Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-06-21T07:39:45.323961Z",
"modified": "2025-06-21T07:39:45.329569Z"
}
},
{
"id": 1064,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1900,
"topic": "igwn.gwalert",
"uuid": "754e5696-6e3d-49e6-baf5-10e3080d647e",
"title": "S230807k - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230807k/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230807k/view/"
},
"event": {
"far": 1.308967875957023e-05,
"time": "2023-08-07T21:16:24.647Z",
"group": "CBC",
"search": "AllSky",
"area_50": 296.00837749541347,
"area_90": 1509.0499740896782,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "36b18a9012dde5750b9824b4dc809e81",
"classification": {
"BBH": 0.0,
"BNS": 0.08114886717471984,
"NSBH": 0.0,
"Terrestrial": 0.9188511328252802
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-07T21:21:30Z",
"superevent_id": "S230807k",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-07T21:21:31.673821Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-07T21:21:31.673842Z",
"modified": "2023-08-07T21:21:31.679718Z"
}
},
{
"id": 6338,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 149431,
"topic": "igwn.gwalert",
"uuid": "101dea33-e77f-4748-883c-2c0f2fc35648",
"title": "S241126dp - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241126dp/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241126dp/view/"
},
"event": {
"far": 9.109861842293316e-06,
"time": "2024-11-26T23:00:47.645Z",
"group": "CBC",
"search": "AllSky",
"area_50": 332.30782765079647,
"area_90": 1592.1400449655835,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.7868279142191354,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "0d76226d1116c3044a62907c150c2bfa",
"classification": {
"BBH": 0.0,
"BNS": 0.0006440823502742844,
"NSBH": 0.001892875330751624,
"Terrestrial": 0.9974630423189741
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-26T23:05:59Z",
"superevent_id": "S241126dp",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-26T23:06:00.204912Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-26T23:06:00.204954Z",
"modified": "2024-11-26T23:06:00.238271Z"
}
},
{
"id": 1066,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1906,
"topic": "igwn.gwalert",
"uuid": "9883804e-391a-426c-a132-e327c7b6ae95",
"title": "S230808b - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230808b/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230808b/view/"
},
"event": {
"far": 5.461165786612623e-06,
"time": "2023-08-08T01:07:48.314Z",
"group": "CBC",
"search": "AllSky",
"area_50": 591.0725496399643,
"area_90": 2843.5268699754333,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.3206388049097414,
"HasMassGap": 0.08033637465120842,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "580b4968286e5c3006bacb85ece94586",
"classification": {
"BBH": 0.0023702561720514003,
"BNS": 0.0,
"NSBH": 0.004087050169594436,
"Terrestrial": 0.9935426936583541
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-08T01:12:48Z",
"superevent_id": "S230808b",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-08T01:12:49.043254Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-08T01:12:49.043275Z",
"modified": "2023-08-08T01:12:49.049375Z"
}
},
{
"id": 1069,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 1911,
"topic": "igwn.gwalert",
"uuid": "24493a23-2a13-4ec5-ba2d-68981fff8c62",
"title": "S230808e - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230808e/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230808e/view/"
},
"event": {
"far": 2.27313e-05,
"time": "2023-08-08T03:57:07.804Z",
"group": "Burst",
"search": "AllSky",
"area_50": 759.9803957387118,
"area_90": 4418.251571802886,
"duration": 0.009485,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "0a084d4ad3f69ee855b7ce7e27f8c1d2",
"classification": {},
"skymap_version": 0,
"central_frequency": 239.287949
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-08T04:03:27Z",
"superevent_id": "S230808e",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-08T04:03:28.313422Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-08T04:03:28.313444Z",
"modified": "2023-08-08T04:03:28.319477Z"
}
},
{
"id": 10624,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5782668,
"topic": "igwn.gwalert",
"uuid": "4fe095bd-2f61-493f-9d60-c15f99fcfcf3",
"title": "S250928bi - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250928bi/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250928bi/view/"
},
"event": {
"far": 1.481751e-05,
"time": "2025-09-28T07:43:08.929Z",
"group": "CBC",
"search": "AllSky",
"area_50": 617.3004760528133,
"area_90": 2128.2388608442166,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.031510622710622715,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "9a7e0ea1887572730952949f5cc30c45",
"classification": {
"BBH": 0.000220377,
"BNS": 0.0,
"NSBH": 0.000613908,
"Terrestrial": 0.999165714
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-28T07:48:24Z",
"superevent_id": "S250928bi",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-28T07:48:25.788691Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-28T07:48:25.788714Z",
"modified": "2025-09-28T07:48:25.796938Z"
}
},
{
"id": 6341,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 149444,
"topic": "igwn.gwalert",
"uuid": "3e8fdc7f-d490-4179-824c-1057af327def",
"title": "S241127c - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S241127c/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S241127c/view/"
},
"event": {
"far": 2.160756417857874e-05,
"time": "2024-11-27T00:07:12.622Z",
"group": "CBC",
"search": "AllSky",
"area_50": 691.5779636540017,
"area_90": 3229.6019467725705,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "3aa27c283fe12e91b28b7e2b70282ada",
"classification": {
"BBH": 0.04365915599812064,
"BNS": 1.798183239076462e-14,
"NSBH": 1.308233537055561e-12,
"Terrestrial": 0.9563408440005532
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2024-11-27T00:12:26Z",
"superevent_id": "S241127c",
"external_coinc": null
},
"message_text": "",
"published": "2024-11-27T00:12:27.458871Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-11-27T00:12:27.458895Z",
"modified": "2024-11-27T00:12:27.467533Z"
}
}
]
}