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=2900&ordering=-id",
"previous": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=2700&ordering=-id",
"results": [
{
"id": 8324,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185773,
"topic": "igwn.gwalert",
"uuid": "edfb1892-33ea-45c8-9009-b5f034e29b39",
"title": "S250308em - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250308em/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250308em/view/"
},
"event": {
"far": 7.911654e-06,
"time": "2025-03-08T11:45:02.418Z",
"group": "CBC",
"search": "AllSky",
"area_50": 284.46808987375994,
"area_90": 1071.3583381120545,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.6130865470629786,
"HasRemnant": 0.0052297039651397915
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "69e81632b042316acb10a747eb368718",
"classification": {
"BBH": 0.0,
"BNS": 0.001586872,
"NSBH": 0.000246847,
"Terrestrial": 0.998166282
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-08T11:45:34Z",
"superevent_id": "S250308em",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-08T11:45:35.353168Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-08T11:45:35.353190Z",
"modified": "2025-03-08T11:45:35.369326Z"
}
},
{
"id": 8323,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185772,
"topic": "igwn.gwalert",
"uuid": "6034296c-65b1-4052-947a-15ec7f15e594",
"title": "S250308dw - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250308dw/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250308dw/view/"
},
"event": {
"far": 9.196133e-06,
"time": "2025-03-08T10:58:37.724Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1072.197631757266,
"area_90": 5194.388370211913,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.28688645667584295,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "2bee9b0276140f4d11a9e5fd9c8604e9",
"classification": {
"BBH": 0.08584638,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.91415362
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-08T11:03:47Z",
"superevent_id": "S250308dw",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-08T11:03:48.040736Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-08T11:03:48.040758Z",
"modified": "2025-03-08T11:03:48.053052Z"
}
},
{
"id": 8322,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185771,
"topic": "igwn.gwalert",
"uuid": "9cd3c1b9-a83c-440c-a589-8568c9d6d43b",
"title": "S250308dw - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250308dw/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250308dw/view/"
},
"event": {
"far": 9.196133e-06,
"time": "2025-03-08T10:58:37.724Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1072.197631757266,
"area_90": 5194.388370211913,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.28688645667584295,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "2bee9b0276140f4d11a9e5fd9c8604e9",
"classification": {
"BBH": 0.08584638,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.91415362
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-08T10:59:09Z",
"superevent_id": "S250308dw",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-08T10:59:09.403145Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-08T10:59:09.403162Z",
"modified": "2025-03-08T10:59:09.413281Z"
}
},
{
"id": 8321,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185770,
"topic": "igwn.gwalert",
"uuid": "2ecc6af8-c107-4d26-9e4c-25987979cb00",
"title": "S250308dn - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250308dn/view/"
},
"event": {
"far": 2.148861180232826e-05,
"time": "2025-03-08T10:30:30.643Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7386.6233715034805,
"area_90": 22796.89399122572,
"duration": 0.1875,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "586cc08d5f4681db1eda8ef331219518",
"classification": {},
"skymap_version": 0,
"central_frequency": 80.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-08T10:35:47Z",
"superevent_id": "S250308dn",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-08T10:35:48.582809Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-08T10:35:48.582832Z",
"modified": "2025-03-08T10:35:48.592287Z"
}
},
{
"id": 8320,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185769,
"topic": "igwn.gwalert",
"uuid": "d1ed41c6-2f01-4a37-9888-7f84995ef72a",
"title": "S250308dn - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250308dn/view/"
},
"event": {
"far": 2.148861180232826e-05,
"time": "2025-03-08T10:30:30.643Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7386.6233715034805,
"area_90": 22796.89399122572,
"duration": 0.1875,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "586cc08d5f4681db1eda8ef331219518",
"classification": {},
"skymap_version": 0,
"central_frequency": 80.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-08T10:31:08Z",
"superevent_id": "S250308dn",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-08T10:31:09.855501Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-08T10:31:09.855520Z",
"modified": "2025-03-08T10:31:09.868278Z"
}
},
{
"id": 8319,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185768,
"topic": "igwn.gwalert",
"uuid": "02aa24e6-1f6d-4a59-a6e0-71950260e72b",
"title": "S250308cb - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250308cb/view/"
},
"event": {
"far": 1.0902144273383789e-05,
"time": "2025-03-08T06:36:12.628Z",
"group": "Burst",
"search": "AllSky",
"area_50": 6941.797739541562,
"area_90": 22617.28515115053,
"duration": 0.15625,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c55c610bf990051e0f86716258702a3f",
"classification": {},
"skymap_version": 0,
"central_frequency": 240.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-08T06:41:27Z",
"superevent_id": "S250308cb",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-08T06:41:27.775772Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-08T06:41:27.775790Z",
"modified": "2025-03-08T06:41:27.786032Z"
}
},
{
"id": 8318,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185767,
"topic": "igwn.gwalert",
"uuid": "81b31291-2531-424c-89c7-176110126a9c",
"title": "S250308cb - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250308cb/view/"
},
"event": {
"far": 1.0902144273383789e-05,
"time": "2025-03-08T06:36:12.628Z",
"group": "Burst",
"search": "AllSky",
"area_50": 6941.797739541562,
"area_90": 22617.28515115053,
"duration": 0.15625,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c55c610bf990051e0f86716258702a3f",
"classification": {},
"skymap_version": 0,
"central_frequency": 240.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-08T06:36:52Z",
"superevent_id": "S250308cb",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-08T06:36:53.145950Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-08T06:36:53.145968Z",
"modified": "2025-03-08T06:36:53.162183Z"
}
},
{
"id": 8317,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185766,
"topic": "igwn.gwalert",
"uuid": "4cfcf613-e254-463d-a5aa-6d5ba9c9c0ff",
"title": "S250308bc - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250308bc/view/"
},
"event": {
"far": 1.8919662964699513e-07,
"time": "2025-03-08T05:19:33.421Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7193.585833104913,
"area_90": 23473.364669265917,
"duration": 0.28125,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c7f169b5ad886380d1038882999cf2ee",
"classification": {},
"skymap_version": 0,
"central_frequency": 72.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-08T05:24:47Z",
"superevent_id": "S250308bc",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-08T05:24:48.317526Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-08T05:24:48.317542Z",
"modified": "2025-03-08T05:24:48.330643Z"
}
},
{
"id": 8316,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185765,
"topic": "igwn.gwalert",
"uuid": "0154ad04-1d77-469c-9c41-3a8198a7a77b",
"title": "S250308bc - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250308bc/view/"
},
"event": {
"far": 1.8919662964699513e-07,
"time": "2025-03-08T05:19:33.421Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7193.585833104913,
"area_90": 23473.364669265917,
"duration": 0.28125,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c7f169b5ad886380d1038882999cf2ee",
"classification": {},
"skymap_version": 0,
"central_frequency": 72.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-08T05:20:13Z",
"superevent_id": "S250308bc",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-08T05:20:13.643872Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-08T05:20:13.643887Z",
"modified": "2025-03-08T05:20:13.657999Z"
}
},
{
"id": 8315,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185764,
"topic": "igwn.gwalert",
"uuid": "6ed28eff-3e97-4813-be6d-3b8c937a0034",
"title": "S250308t - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250308t/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250308t/view/"
},
"event": {
"far": 1.6757e-05,
"time": "2025-03-08T03:40:39.455Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1188.859448441618,
"area_90": 3796.964450935319,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0926066792721965,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "9d01d7d121ac1cf61e44707ed2f5f959",
"classification": {
"BBH": 0.041980888,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.958019112
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-08T03:45:47Z",
"superevent_id": "S250308t",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-08T03:45:48.195807Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-08T03:45:48.195826Z",
"modified": "2025-03-08T03:45:48.208648Z"
}
},
{
"id": 8314,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185763,
"topic": "igwn.gwalert",
"uuid": "a3fe03b6-d8aa-4a51-8f36-1f33ba18926d",
"title": "S250308t - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250308t/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250308t/view/"
},
"event": {
"far": 1.6757e-05,
"time": "2025-03-08T03:40:39.455Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1188.859448441618,
"area_90": 3796.964450935319,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0926066792721965,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "9d01d7d121ac1cf61e44707ed2f5f959",
"classification": {
"BBH": 0.041980888,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.958019112
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-08T03:41:09Z",
"superevent_id": "S250308t",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-08T03:41:10.501329Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-08T03:41:10.501345Z",
"modified": "2025-03-08T03:41:10.529365Z"
}
},
{
"id": 8313,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185762,
"topic": "igwn.gwalert",
"uuid": "828992eb-0ca9-4042-b137-e7b332e138c4",
"title": "S250307hy - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250307hy/view/"
},
"event": {
"far": 1.528181573717162e-05,
"time": "2025-03-07T21:34:25.577Z",
"group": "Burst",
"search": "AllSky",
"area_50": 6443.257314286129,
"area_90": 21997.047147339475,
"duration": 0.21875,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "09affec8124b7d63650856568ba44ad8",
"classification": {},
"skymap_version": 0,
"central_frequency": 144.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-07T21:39:39Z",
"superevent_id": "S250307hy",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T21:39:41.132972Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T21:39:41.132990Z",
"modified": "2025-03-07T21:39:41.146840Z"
}
},
{
"id": 8312,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185761,
"topic": "igwn.gwalert",
"uuid": "31d99be5-0d26-40df-ac1a-2bc510249e18",
"title": "S250307hy - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250307hy/view/"
},
"event": {
"far": 1.528181573717162e-05,
"time": "2025-03-07T21:34:25.577Z",
"group": "Burst",
"search": "AllSky",
"area_50": 6443.257314286129,
"area_90": 21997.047147339475,
"duration": 0.21875,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "09affec8124b7d63650856568ba44ad8",
"classification": {},
"skymap_version": 0,
"central_frequency": 144.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-07T21:35:05Z",
"superevent_id": "S250307hy",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T21:35:06.455650Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T21:35:06.455668Z",
"modified": "2025-03-07T21:35:06.474254Z"
}
},
{
"id": 8311,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185760,
"topic": "igwn.gwalert",
"uuid": "5c0d5a94-4ed0-40ab-847c-db83aa8b1232",
"title": "S250307gc - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250307gc/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250307gc/view/"
},
"event": {
"far": 1.435448829693568e-05,
"time": "2025-03-07T17:09:12.727Z",
"group": "CBC",
"search": "AllSky",
"area_50": 548.058750322892,
"area_90": 2348.343619300845,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "337c47cbeeccfb36e2a0a97751679555",
"classification": {
"BBH": 0.07731968590953944,
"BNS": 2.565470960190586e-15,
"NSBH": 1.774270713732808e-13,
"Terrestrial": 0.9226803140902806
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-07T17:14:13Z",
"superevent_id": "S250307gc",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T17:14:13.656654Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T17:14:13.656676Z",
"modified": "2025-03-07T17:14:13.667457Z"
}
},
{
"id": 8310,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185759,
"topic": "igwn.gwalert",
"uuid": "dd4894aa-151c-4884-ac7f-a65527aee1ba",
"title": "S250307gc - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250307gc/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250307gc/view/"
},
"event": {
"far": 1.435448829693568e-05,
"time": "2025-03-07T17:09:12.727Z",
"group": "CBC",
"search": "AllSky",
"area_50": 548.058750322892,
"area_90": 2348.343619300845,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "337c47cbeeccfb36e2a0a97751679555",
"classification": {
"BBH": 0.07731968590953944,
"BNS": 2.565470960190586e-15,
"NSBH": 1.774270713732808e-13,
"Terrestrial": 0.9226803140902806
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-07T17:09:38Z",
"superevent_id": "S250307gc",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T17:09:39.014510Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T17:09:39.014529Z",
"modified": "2025-03-07T17:09:39.037449Z"
}
},
{
"id": 8309,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185758,
"topic": "igwn.gwalert",
"uuid": "7cb46477-0143-4771-a68d-03c0845ca7ed",
"title": "S250307fm - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250307fm/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250307fm/view/"
},
"event": {
"far": 9.058e-06,
"time": "2025-03-07T13:52:05.398Z",
"group": "CBC",
"search": "BBH",
"area_50": 732.7033522693488,
"area_90": 2450.7374440166072,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "0cf814ce011111dcc4e7090b87bfe671",
"classification": {
"BBH": 0.004668480946119269,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9953315190538807
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-07T13:57:50Z",
"superevent_id": "S250307fm",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T13:57:51.753676Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T13:57:51.753693Z",
"modified": "2025-03-07T13:57:51.764735Z"
}
},
{
"id": 8308,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185757,
"topic": "igwn.gwalert",
"uuid": "36ed7c93-755f-41d9-96f0-503a7e9ac003",
"title": "S250307fm - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250307fm/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250307fm/view/"
},
"event": {
"far": 9.058e-06,
"time": "2025-03-07T13:52:05.398Z",
"group": "CBC",
"search": "BBH",
"area_50": 732.7033522693488,
"area_90": 2450.7374440166072,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "0cf814ce011111dcc4e7090b87bfe671",
"classification": {
"BBH": 0.004668480946119269,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9953315190538807
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-07T13:53:15Z",
"superevent_id": "S250307fm",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T13:53:17.114581Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T13:53:17.114599Z",
"modified": "2025-03-07T13:53:17.124131Z"
}
},
{
"id": 8307,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185756,
"topic": "igwn.gwalert",
"uuid": "37f45b56-3264-4d59-a80b-f2e05ab6d01c",
"title": "S250307fh - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250307fh/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250307fh/view/"
},
"event": {
"far": 1.722619344945997e-06,
"time": "2025-03-07T13:33:49.648Z",
"group": "CBC",
"search": "AllSky",
"area_50": 694.3056680009378,
"area_90": 15654.505070478685,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "05ffa6d6cb701b78da0517f7f1083ad7",
"classification": {
"BBH": 0.0,
"BNS": 0.01844486440816849,
"NSBH": 0.0,
"Terrestrial": 0.9815551355918315
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-07T13:38:52Z",
"superevent_id": "S250307fh",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T13:38:53.215924Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T13:38:53.215942Z",
"modified": "2025-03-07T13:38:53.227362Z"
}
},
{
"id": 8306,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185755,
"topic": "igwn.gwalert",
"uuid": "b4a905e3-68f7-4a5a-b7f2-f72d631db17f",
"title": "S250307fh - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250307fh/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250307fh/view/"
},
"event": {
"far": 1.722619344945997e-06,
"time": "2025-03-07T13:33:49.648Z",
"group": "CBC",
"search": "AllSky",
"area_50": 694.3056680009378,
"area_90": 15654.505070478685,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "05ffa6d6cb701b78da0517f7f1083ad7",
"classification": {
"BBH": 0.0,
"BNS": 0.01844486440816849,
"NSBH": 0.0,
"Terrestrial": 0.9815551355918315
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-07T13:34:16Z",
"superevent_id": "S250307fh",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T13:34:17.554689Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T13:34:17.554708Z",
"modified": "2025-03-07T13:34:17.569640Z"
}
},
{
"id": 8305,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185754,
"topic": "igwn.gwalert",
"uuid": "bed83d92-5256-4b04-aba5-48a1277c78ca",
"title": "S250307eu - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250307eu/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250307eu/view/"
},
"event": {
"far": 8.492662e-06,
"time": "2025-03-07T12:26:57.800Z",
"group": "CBC",
"search": "AllSky",
"area_50": 314.158102573105,
"area_90": 1160.1136410931356,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.7416809454999179,
"HasMassGap": 0.05528467108375296,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "78765ecb5cd8c0ba1ff2f49c12f772da",
"classification": {
"BBH": 0.023726122,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.976273878
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-07T12:32:04Z",
"superevent_id": "S250307eu",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T12:32:04.998491Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T12:32:04.998507Z",
"modified": "2025-03-07T12:32:05.017073Z"
}
},
{
"id": 8304,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185753,
"topic": "igwn.gwalert",
"uuid": "4d4b162d-8644-498a-8e9c-39c53e016679",
"title": "S250307eu - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250307eu/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250307eu/view/"
},
"event": {
"far": 8.492662e-06,
"time": "2025-03-07T12:26:57.800Z",
"group": "CBC",
"search": "AllSky",
"area_50": 314.158102573105,
"area_90": 1160.1136410931356,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.7416809454999179,
"HasMassGap": 0.05528467108375296,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "78765ecb5cd8c0ba1ff2f49c12f772da",
"classification": {
"BBH": 0.023726122,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.976273878
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-07T12:27:29Z",
"superevent_id": "S250307eu",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T12:27:30.395718Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T12:27:30.395745Z",
"modified": "2025-03-07T12:27:30.408878Z"
}
},
{
"id": 8303,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185752,
"topic": "igwn.gwalert",
"uuid": "91cc6eca-0019-4b7b-b57f-bb499f2647ec",
"title": "S250307dc - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250307dc/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250307dc/view/"
},
"event": {
"far": 1.807940140377523e-05,
"time": "2025-03-07T09:52:59.680Z",
"group": "CBC",
"search": "AllSky",
"area_50": 267.787128675188,
"area_90": 1224.9490751856981,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "7d2f6ca204baa8dbaff587c275475e16",
"classification": {
"BBH": 0.0,
"BNS": 0.0018753383926680262,
"NSBH": 6.678687958698707e-05,
"Terrestrial": 0.998057874727745
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-07T09:58:06Z",
"superevent_id": "S250307dc",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T09:58:07.154038Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T09:58:07.154056Z",
"modified": "2025-03-07T09:58:07.164003Z"
}
},
{
"id": 8302,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185751,
"topic": "igwn.gwalert",
"uuid": "11d1961a-6b40-40c4-86bc-9ce30ea949c7",
"title": "S250307dc - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250307dc/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250307dc/view/"
},
"event": {
"far": 6.13962e-07,
"time": "2025-03-07T09:52:59.673Z",
"group": "CBC",
"search": "AllSky",
"area_50": 222.15053671683077,
"area_90": 1231.6634243473873,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "62ad31b8e58a2e15c24810e5844f6ae1",
"classification": {
"BBH": 0.0,
"BNS": 0.020120218,
"NSBH": 0.0,
"Terrestrial": 0.979879782
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-07T09:53:30Z",
"superevent_id": "S250307dc",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T09:53:31.513468Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T09:53:31.513485Z",
"modified": "2025-03-07T09:53:31.525298Z"
}
},
{
"id": 8301,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185750,
"topic": "igwn.gwalert",
"uuid": "4d55b878-57c4-4aca-a68a-8daf356b71b9",
"title": "S250307bn - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250307bn/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250307bn/view/"
},
"event": {
"far": 1.655364758335054e-05,
"time": "2025-03-07T05:30:57.409Z",
"group": "CBC",
"search": "AllSky",
"area_50": 12446.724758481605,
"area_90": 32507.52146631892,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.000689655172413793,
"HasRemnant": 0.0
},
"instruments": [
"L1",
"V1"
],
"significant": false,
"skymap_hash": "b6413a2718fdc86e20270b2d5569932b",
"classification": {
"BBH": 0.043400247394582744,
"BNS": 0.0,
"NSBH": 0.0037426344245740043,
"Terrestrial": 0.9528571181808433
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-07T05:35:57Z",
"superevent_id": "S250307bn",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T05:35:58.323024Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T05:35:58.323042Z",
"modified": "2025-03-07T05:35:58.333998Z"
}
},
{
"id": 8300,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185749,
"topic": "igwn.gwalert",
"uuid": "07b22584-69f4-4a70-b1f7-968967413e81",
"title": "S250307bn - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250307bn/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250307bn/view/"
},
"event": {
"far": 1.655364758335054e-05,
"time": "2025-03-07T05:30:57.409Z",
"group": "CBC",
"search": "AllSky",
"area_50": 12446.724758481605,
"area_90": 32507.52146631892,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.000689655172413793,
"HasRemnant": 0.0
},
"instruments": [
"L1",
"V1"
],
"significant": false,
"skymap_hash": "b6413a2718fdc86e20270b2d5569932b",
"classification": {
"BBH": 0.043400247394582744,
"BNS": 0.0,
"NSBH": 0.0037426344245740043,
"Terrestrial": 0.9528571181808433
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-07T05:31:21Z",
"superevent_id": "S250307bn",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T05:31:22.593670Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T05:31:22.593689Z",
"modified": "2025-03-07T05:31:22.606485Z"
}
},
{
"id": 8299,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185748,
"topic": "igwn.gwalert",
"uuid": "b1f68218-8528-4917-af92-d28a4fbaa916",
"title": "S250307ba - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250307ba/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250307ba/view/"
},
"event": {
"far": 1.88738114533636e-05,
"time": "2025-03-07T04:58:21.717Z",
"group": "CBC",
"search": "AllSky",
"area_50": 549.7373376133145,
"area_90": 2908.1524806566936,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "6094667bbdf295a45f410dc65d983367",
"classification": {
"BBH": 0.05841237872508926,
"BNS": 1.2016634805303235e-16,
"NSBH": 7.922780596527643e-15,
"Terrestrial": 0.9415876212749027
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-07T05:03:25Z",
"superevent_id": "S250307ba",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T05:03:27.016983Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T05:03:27.017002Z",
"modified": "2025-03-07T05:03:27.034026Z"
}
},
{
"id": 8298,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185747,
"topic": "igwn.gwalert",
"uuid": "ad144b0e-a316-4a36-ac49-6149a6fd1e4f",
"title": "S250307ba - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250307ba/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250307ba/view/"
},
"event": {
"far": 1.88738114533636e-05,
"time": "2025-03-07T04:58:21.712Z",
"group": "CBC",
"search": "AllSky",
"area_50": 517.8441790952901,
"area_90": 2701.686243934746,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "f4f3f1f499dfc58eef0519a2774bb513",
"classification": {
"BBH": 0.05841237872508926,
"BNS": 1.2016634805303235e-16,
"NSBH": 7.922780596527643e-15,
"Terrestrial": 0.9415876212749027
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-07T04:58:49Z",
"superevent_id": "S250307ba",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T04:58:50.149879Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T04:58:50.149896Z",
"modified": "2025-03-07T04:58:50.166472Z"
}
},
{
"id": 8297,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185746,
"topic": "igwn.gwalert",
"uuid": "bf8f286b-32dc-4ba5-a4c0-541284100933",
"title": "S250307an - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250307an/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250307an/view/"
},
"event": {
"far": 5.79215e-06,
"time": "2025-03-07T04:10:52.303Z",
"group": "Burst",
"search": "AllSky",
"area_50": 146.03709426674308,
"area_90": 605.1307181972514,
"duration": 0.001677,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f41b94b64f95f71db5ad57874014cc62",
"classification": {},
"skymap_version": 0,
"central_frequency": 639.054443
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-07T04:18:07Z",
"superevent_id": "S250307an",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T04:18:08.094074Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T04:18:08.094091Z",
"modified": "2025-03-07T04:18:08.104496Z"
}
},
{
"id": 8296,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185745,
"topic": "igwn.gwalert",
"uuid": "8dda83a2-94f3-4473-a804-2822c9a3347d",
"title": "S250307an - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250307an/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250307an/view/"
},
"event": {
"far": 5.79215e-06,
"time": "2025-03-07T04:10:52.303Z",
"group": "Burst",
"search": "AllSky",
"area_50": 146.03709426674308,
"area_90": 605.1307181972514,
"duration": 0.001677,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f41b94b64f95f71db5ad57874014cc62",
"classification": {},
"skymap_version": 0,
"central_frequency": 639.054443
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-07T04:13:32Z",
"superevent_id": "S250307an",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T04:13:33.359404Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T04:13:33.359427Z",
"modified": "2025-03-07T04:13:33.377556Z"
}
},
{
"id": 8295,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185744,
"topic": "igwn.gwalert",
"uuid": "93621c8f-690c-43f5-bddb-4839e13f9665",
"title": "S250307i - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250307i/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250307i/view/"
},
"event": {
"far": 1.830849e-05,
"time": "2025-03-07T00:22:53.793Z",
"group": "CBC",
"search": "AllSky",
"area_50": 712.9799516068864,
"area_90": 2224.1281598095925,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.3454435588715439,
"HasRemnant": 0.2255397284268298
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "bed35ea0e33c10079c05d347471bbbc6",
"classification": {
"BBH": 0.0,
"BNS": 0.000491926,
"NSBH": 0.000341847,
"Terrestrial": 0.999166227
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-07T00:27:59Z",
"superevent_id": "S250307i",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T00:28:01.276673Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T00:28:01.276693Z",
"modified": "2025-03-07T00:28:01.289455Z"
}
},
{
"id": 8294,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185743,
"topic": "igwn.gwalert",
"uuid": "70e5564e-8572-489e-959d-e2bbb3db8b7a",
"title": "S250307i - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250307i/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250307i/view/"
},
"event": {
"far": 1.830849e-05,
"time": "2025-03-07T00:22:53.793Z",
"group": "CBC",
"search": "AllSky",
"area_50": 712.9799516068864,
"area_90": 2224.1281598095925,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.3454435588715439,
"HasRemnant": 0.2255397284268298
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "bed35ea0e33c10079c05d347471bbbc6",
"classification": {
"BBH": 0.0,
"BNS": 0.000491926,
"NSBH": 0.000341847,
"Terrestrial": 0.999166227
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-07T00:23:24Z",
"superevent_id": "S250307i",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-07T00:23:25.569670Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-07T00:23:25.569694Z",
"modified": "2025-03-07T00:23:25.591138Z"
}
},
{
"id": 8293,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185742,
"topic": "igwn.gwalert",
"uuid": "d6e756ad-2799-40a2-91bd-9ddc671f873e",
"title": "S250306fg - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306fg/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250306fg/view/"
},
"event": {
"far": 2.200903976562751e-05,
"time": "2025-03-06T22:10:44.509Z",
"group": "CBC",
"search": "AllSky",
"area_50": 741.7257589553689,
"area_90": 2580.8279590243383,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.026260429225946468,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "af23aa2163047db172d034b06d9c842d",
"classification": {
"BBH": 0.048127451836092065,
"BNS": 1.0491939755758798e-15,
"NSBH": 7.55717886107111e-14,
"Terrestrial": 0.9518725481638313
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-06T22:15:46Z",
"superevent_id": "S250306fg",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T22:15:47.311855Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T22:15:47.311878Z",
"modified": "2025-03-06T22:15:47.322235Z"
}
},
{
"id": 8292,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185741,
"topic": "igwn.gwalert",
"uuid": "d908ff90-ae7d-4cdb-a53b-cb368f1bfafa",
"title": "S250306fg - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306fg/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250306fg/view/"
},
"event": {
"far": 1.88419063231176e-05,
"time": "2025-03-06T22:10:44.509Z",
"group": "CBC",
"search": "AllSky",
"area_50": 737.3194673180101,
"area_90": 2557.3277369584252,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.026260429225946468,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "3a466b09d4a55de81c8cd2996f4728ce",
"classification": {
"BBH": 0.0566006238677575,
"BNS": 1.569624430601763e-15,
"NSBH": 1.1298725906561106e-13,
"Terrestrial": 0.943399376132128
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-06T22:11:08Z",
"superevent_id": "S250306fg",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T22:11:09.458374Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T22:11:09.458400Z",
"modified": "2025-03-06T22:11:09.477381Z"
}
},
{
"id": 8291,
"sequence_number": 5,
"sequence_type": "UPDATE",
"message": {
"id": 185740,
"topic": "igwn.gwalert",
"uuid": "93889f29-bf64-465d-bfdf-7fd01f8d1d71",
"title": "S250207bg - UPDATE",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250207bg/files/bayestar.multiorder.fits,3",
"gracedb": "https://gracedb.ligo.org/superevents/S250207bg/view/"
},
"event": {
"far": 4.918393648161593e-36,
"time": "2025-02-07T11:56:45.258Z",
"group": "CBC",
"search": "AllSky",
"area_50": 5.5734343627304055,
"area_90": 19.185728170999024,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"L1",
"V1"
],
"significant": true,
"skymap_hash": "f2ce95d0352160a710f93fa9caee50e2",
"classification": {
"BBH": 1.0,
"BNS": 0.0,
"NSBH": 8.494887765130385e-126,
"Terrestrial": 0.0
},
"skymap_version": 3,
"central_frequency": null
},
"alert_type": "UPDATE",
"sequence_num": 5,
"time_created": "2025-03-06T16:34:30Z",
"superevent_id": "S250207bg",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T16:34:31.866405Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T16:34:31.866425Z",
"modified": "2025-03-06T16:34:31.877043Z"
}
},
{
"id": 8290,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185739,
"topic": "igwn.gwalert",
"uuid": "992f1144-5a9f-40c1-8945-e1d6d47b7cc2",
"title": "S250306ev - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306ev/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250306ev/view/"
},
"event": {
"far": 1.835022657328707e-05,
"time": "2025-03-06T15:32:56.896Z",
"group": "CBC",
"search": "AllSky",
"area_50": 394.04836642664293,
"area_90": 1442.745776117996,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.5274568131979855,
"HasRemnant": 0.10714129001336334
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "18cb72fc1a011f3b1ad1856ba7bada7b",
"classification": {
"BBH": 0.0,
"BNS": 0.0006687531884019171,
"NSBH": 0.0008104535742538654,
"Terrestrial": 0.9985207932373442
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-06T15:38:00Z",
"superevent_id": "S250306ev",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T15:38:00.849923Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T15:38:00.849954Z",
"modified": "2025-03-06T15:38:00.861648Z"
}
},
{
"id": 8289,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185738,
"topic": "igwn.gwalert",
"uuid": "08bbb0e0-a34e-44fb-b7a1-fda778723d34",
"title": "S250306ev - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306ev/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250306ev/view/"
},
"event": {
"far": 1.835022657328707e-05,
"time": "2025-03-06T15:32:56.896Z",
"group": "CBC",
"search": "AllSky",
"area_50": 445.1928229316984,
"area_90": 1571.3675272466073,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.666514489140276,
"HasRemnant": 0.07490192626541008
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "8d69a74443780b0270a66b512894aa3c",
"classification": {
"BBH": 0.0,
"BNS": 0.0006836527001574147,
"NSBH": 0.0007955540624983943,
"Terrestrial": 0.9985207932373442
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-06T15:33:24Z",
"superevent_id": "S250306ev",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T15:33:25.154492Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T15:33:25.154510Z",
"modified": "2025-03-06T15:33:25.162258Z"
}
},
{
"id": 8288,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185737,
"topic": "igwn.gwalert",
"uuid": "511d0d82-98bf-4294-9290-900ad9fcf2c5",
"title": "S250306em - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250306em/view/"
},
"event": {
"far": 1.6802402453378707e-05,
"time": "2025-03-06T15:05:49.737Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7130.638809714074,
"area_90": 22540.070135791102,
"duration": 0.09375,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "88cd2da6d53d33cbc9b215410cc42852",
"classification": {},
"skymap_version": 0,
"central_frequency": 232.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-06T15:11:03Z",
"superevent_id": "S250306em",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T15:11:03.916906Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T15:11:03.916928Z",
"modified": "2025-03-06T15:11:03.928093Z"
}
},
{
"id": 8287,
"sequence_number": 2,
"sequence_type": "RETRACTION",
"message": {
"id": 185736,
"topic": "igwn.gwalert",
"uuid": "9bafc7b7-1b50-47e9-bb1a-0e708f31a000",
"title": "S250306ej - RETRACTION",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250306ej/view/"
},
"event": null,
"alert_type": "RETRACTION",
"sequence_num": 2,
"time_created": "2025-03-06T15:09:32Z",
"superevent_id": "S250306ej",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T15:09:33.576246Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T15:09:33.576263Z",
"modified": "2025-03-06T15:09:33.584124Z"
}
},
{
"id": 8286,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185735,
"topic": "igwn.gwalert",
"uuid": "b2a2de6f-b796-458e-b2ac-06743c188917",
"title": "S250306em - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250306em/view/"
},
"event": {
"far": 1.6802402453378707e-05,
"time": "2025-03-06T15:05:49.737Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7130.638809714074,
"area_90": 22540.070135791102,
"duration": 0.09375,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "88cd2da6d53d33cbc9b215410cc42852",
"classification": {},
"skymap_version": 0,
"central_frequency": 232.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-06T15:06:28Z",
"superevent_id": "S250306em",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T15:06:29.140361Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T15:06:29.140378Z",
"modified": "2025-03-06T15:06:29.154450Z"
}
},
{
"id": 8285,
"sequence_number": 1,
"sequence_type": "EARLY_WARNING",
"message": {
"id": 185734,
"topic": "igwn.gwalert",
"uuid": "cc4c2464-5bcc-4ee3-9fc2-ab878fb2bc86",
"title": "S250306ej - EARLYWARNING",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306ej/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250306ej/view/"
},
"event": {
"far": 9.271082e-08,
"time": "2025-03-06T15:00:44.771Z",
"group": "CBC",
"search": "EarlyWarning",
"area_50": 769.6322726586401,
"area_90": 3373.1211601036803,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "4299aab7124c21bf38530d035e36ace6",
"classification": {
"BBH": 0.0,
"BNS": 0.003158278,
"NSBH": 0.0,
"Terrestrial": 0.996841722
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "EARLYWARNING",
"sequence_num": 1,
"time_created": "2025-03-06T15:00:52Z",
"superevent_id": "S250306ej",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T15:00:53.325380Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T15:00:53.325398Z",
"modified": "2025-03-06T15:00:53.340846Z"
}
},
{
"id": 8284,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185733,
"topic": "igwn.gwalert",
"uuid": "9c7381cf-82cb-4c12-8730-848c6f4052aa",
"title": "S250306cr - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250306cr/view/"
},
"event": {
"far": 1.9167048901639883e-05,
"time": "2025-03-06T11:49:57.188Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7273.318729399973,
"area_90": 22775.91165009544,
"duration": 0.0625,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "cb993814f9090050e04dfd3349cabb25",
"classification": {},
"skymap_version": 0,
"central_frequency": 272.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-06T11:55:12Z",
"superevent_id": "S250306cr",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T11:55:13.744258Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T11:55:13.744275Z",
"modified": "2025-03-06T11:55:13.753791Z"
}
},
{
"id": 8283,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185732,
"topic": "igwn.gwalert",
"uuid": "9eb5dbe3-24e2-4e6d-af56-6d2264f6a48e",
"title": "S250306cr - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250306cr/view/"
},
"event": {
"far": 1.9167048901639883e-05,
"time": "2025-03-06T11:49:57.188Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7273.318729399973,
"area_90": 22775.91165009544,
"duration": 0.0625,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "cb993814f9090050e04dfd3349cabb25",
"classification": {},
"skymap_version": 0,
"central_frequency": 272.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-06T11:50:36Z",
"superevent_id": "S250306cr",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T11:50:38.018525Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T11:50:38.018542Z",
"modified": "2025-03-06T11:50:38.030004Z"
}
},
{
"id": 8282,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185731,
"topic": "igwn.gwalert",
"uuid": "31a07b5c-d615-48ae-b546-979d7e95f75c",
"title": "S250306cc - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306cc/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250306cc/view/"
},
"event": {
"far": 5.44137e-06,
"time": "2025-03-06T10:36:19.364Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1911.0716301458267,
"area_90": 8015.254311766645,
"duration": 0.018355,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f31d7dd63e1e9e6cb1051ce0667eca1d",
"classification": {},
"skymap_version": 0,
"central_frequency": 52.638371
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-06T10:43:21Z",
"superevent_id": "S250306cc",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T10:43:21.275772Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T10:43:21.275790Z",
"modified": "2025-03-06T10:43:21.283189Z"
}
},
{
"id": 8281,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185730,
"topic": "igwn.gwalert",
"uuid": "92c50e8a-7c5b-44f4-8083-cdece00a2371",
"title": "S250306cc - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306cc/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250306cc/view/"
},
"event": {
"far": 5.44137e-06,
"time": "2025-03-06T10:36:19.364Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1911.0716301458267,
"area_90": 8015.254311766645,
"duration": 0.018355,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f31d7dd63e1e9e6cb1051ce0667eca1d",
"classification": {},
"skymap_version": 0,
"central_frequency": 52.638371
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-06T10:38:46Z",
"superevent_id": "S250306cc",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T10:38:47.570496Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T10:38:47.570515Z",
"modified": "2025-03-06T10:38:47.590090Z"
}
},
{
"id": 8280,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185729,
"topic": "igwn.gwalert",
"uuid": "99c62236-0841-48fe-bfc8-bee80842d3e0",
"title": "S250306bo - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250306bo/view/"
},
"event": {
"far": 5.473537735009178e-07,
"time": "2025-03-06T08:08:51.392Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7163.371261877311,
"area_90": 22531.67719933899,
"duration": 0.125,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "2ba11b677db10a1bcd7db2d430482c14",
"classification": {},
"skymap_version": 0,
"central_frequency": 296.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-06T08:14:05Z",
"superevent_id": "S250306bo",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T08:14:05.617225Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T08:14:05.617247Z",
"modified": "2025-03-06T08:14:05.625084Z"
}
},
{
"id": 8279,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185728,
"topic": "igwn.gwalert",
"uuid": "ef4f2b2b-34d8-49ea-b215-3871ff21b8fc",
"title": "S250306bo - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250306bo/view/"
},
"event": {
"far": 5.473537735009178e-07,
"time": "2025-03-06T08:08:51.392Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7163.371261877311,
"area_90": 22531.67719933899,
"duration": 0.125,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "2ba11b677db10a1bcd7db2d430482c14",
"classification": {},
"skymap_version": 0,
"central_frequency": 296.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-06T08:09:30Z",
"superevent_id": "S250306bo",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T08:09:31.919825Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T08:09:31.919844Z",
"modified": "2025-03-06T08:09:31.930084Z"
}
},
{
"id": 8278,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185727,
"topic": "igwn.gwalert",
"uuid": "62c78104-c6a6-4c45-9fa2-aa8208001fc1",
"title": "S250306bl - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306bl/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250306bl/view/"
},
"event": {
"far": 9.883373e-06,
"time": "2025-03-06T07:43:21.231Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1040.514296650544,
"area_90": 3687.0169834126564,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 7.248643913766079e-05,
"HasMassGap": 0.6549521023153759,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "bcd75ae0c92d9f0b41fab1b1fefaee7b",
"classification": {
"BBH": 0.079288654,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.920711346
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-06T07:48:27Z",
"superevent_id": "S250306bl",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T07:48:28.579949Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T07:48:28.579972Z",
"modified": "2025-03-06T07:48:28.590230Z"
}
},
{
"id": 8277,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185726,
"topic": "igwn.gwalert",
"uuid": "6e936425-5fb4-43af-9beb-8c5810eb4086",
"title": "S250306bl - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306bl/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250306bl/view/"
},
"event": {
"far": 9.883373e-06,
"time": "2025-03-06T07:43:21.231Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1040.514296650544,
"area_90": 3687.0169834126564,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 7.248643913766079e-05,
"HasMassGap": 0.6549521023153759,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "bcd75ae0c92d9f0b41fab1b1fefaee7b",
"classification": {
"BBH": 0.079288654,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.920711346
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-06T07:43:52Z",
"superevent_id": "S250306bl",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T07:43:52.831203Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T07:43:52.831219Z",
"modified": "2025-03-06T07:43:52.839845Z"
}
},
{
"id": 8276,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185725,
"topic": "igwn.gwalert",
"uuid": "35108906-8f11-4e82-8034-9397893fb28c",
"title": "S250306bi - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306bi/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250306bi/view/"
},
"event": {
"far": 3.198358895936999e-06,
"time": "2025-03-06T07:36:43.675Z",
"group": "CBC",
"search": "AllSky",
"area_50": 352.3984192830387,
"area_90": 2379.397484173658,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 8.566977518838792e-05,
"HasMassGap": 0.048637450269029214,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "f4e18909afb5982a546c12ed8ac477f7",
"classification": {
"BBH": 0.36327578348192957,
"BNS": 4.44680294161061e-21,
"NSBH": 2.7163949957365485e-19,
"Terrestrial": 0.6367242165180704
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-06T07:41:48Z",
"superevent_id": "S250306bi",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T07:41:49.550582Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T07:41:49.550601Z",
"modified": "2025-03-06T07:41:49.562270Z"
}
},
{
"id": 8275,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185724,
"topic": "igwn.gwalert",
"uuid": "18235246-b36b-4d91-b568-c39918da32f9",
"title": "S250306bi - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306bi/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250306bi/view/"
},
"event": {
"far": 6.736736497284222e-06,
"time": "2025-03-06T07:36:43.668Z",
"group": "CBC",
"search": "AllSky",
"area_50": 763.9670405534648,
"area_90": 3321.9242477457983,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.027503605593944103,
"HasMassGap": 0.24039858109415516,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "268966a89d6b8c7216f425c7883fa5a5",
"classification": {
"BBH": 0.27013715627974316,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.7298628437202568
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-06T07:37:13Z",
"superevent_id": "S250306bi",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T07:37:13.797661Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T07:37:13.797679Z",
"modified": "2025-03-06T07:37:13.809124Z"
}
},
{
"id": 8274,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185723,
"topic": "igwn.gwalert",
"uuid": "3df846a4-797e-4c78-88d8-8aaf88501bfe",
"title": "S250306bg - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306bg/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250306bg/view/"
},
"event": {
"far": 1.658675897939787e-05,
"time": "2025-03-06T07:12:48.583Z",
"group": "CBC",
"search": "AllSky",
"area_50": 547.4292800889837,
"area_90": 2576.631490798283,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "71b2623de177ff03ade11d364b6630ad",
"classification": {
"BBH": 0.06518025191450334,
"BNS": 8.200417151296149e-25,
"NSBH": 7.004260059200662e-23,
"Terrestrial": 0.9348197480854966
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-06T07:17:50Z",
"superevent_id": "S250306bg",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T07:17:51.830020Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T07:17:51.830051Z",
"modified": "2025-03-06T07:17:51.839890Z"
}
},
{
"id": 8273,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185722,
"topic": "igwn.gwalert",
"uuid": "2a42c0a0-314a-49e7-8348-1211b9f70ac4",
"title": "S250306bg - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306bg/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250306bg/view/"
},
"event": {
"far": 1.658675897939787e-05,
"time": "2025-03-06T07:12:48.603Z",
"group": "CBC",
"search": "AllSky",
"area_50": 462.6606219226558,
"area_90": 2702.5255375799575,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.002857142857142857,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "81bd795ee230bddb9c4334012bc16e0a",
"classification": {
"BBH": 0.06518025191450334,
"BNS": 8.200417151296149e-25,
"NSBH": 7.004260059200662e-23,
"Terrestrial": 0.9348197480854966
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-06T07:13:15Z",
"superevent_id": "S250306bg",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T07:13:16.150727Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T07:13:16.150744Z",
"modified": "2025-03-06T07:13:16.158920Z"
}
},
{
"id": 8272,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185721,
"topic": "igwn.gwalert",
"uuid": "05ecb1a0-d3b1-49f3-b2a9-f3fce7f0fdd7",
"title": "S250306ax - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306ax/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250306ax/view/"
},
"event": {
"far": 3.732636020500153e-06,
"time": "2025-03-06T06:24:57.037Z",
"group": "CBC",
"search": "AllSky",
"area_50": 415.76508949648195,
"area_90": 1250.5475313646386,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "b5ae665fb1aa42a5156d7183c1bb4c46",
"classification": {
"BBH": 0.00024195335753453276,
"BNS": 0.0,
"NSBH": 0.005713367723158877,
"Terrestrial": 0.9940446789193066
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-06T06:29:54Z",
"superevent_id": "S250306ax",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T06:29:56.112306Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T06:29:56.112331Z",
"modified": "2025-03-06T06:29:56.126467Z"
}
},
{
"id": 8271,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185720,
"topic": "igwn.gwalert",
"uuid": "fb71c3bb-6b5c-4b10-90a6-1468f6402e17",
"title": "S250306aw - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306aw/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250306aw/view/"
},
"event": {
"far": 1.85111e-05,
"time": "2025-03-06T06:20:15.461Z",
"group": "CBC",
"search": "BBH",
"area_50": 1916.9466856623048,
"area_90": 7334.587165500388,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.04264138160689884,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "e77d8ab88b49e9126fa484e706cb5ddf",
"classification": {
"BBH": 0.0014451795693388725,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9985548204306611
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-06T06:28:10Z",
"superevent_id": "S250306aw",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T06:28:10.635920Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T06:28:10.635937Z",
"modified": "2025-03-06T06:28:10.646642Z"
}
},
{
"id": 8270,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185719,
"topic": "igwn.gwalert",
"uuid": "3496a0e0-6016-48da-9024-8cdcefd8c9fa",
"title": "S250306ax - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306ax/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250306ax/view/"
},
"event": {
"far": 3.732636020500153e-06,
"time": "2025-03-06T06:24:57.037Z",
"group": "CBC",
"search": "AllSky",
"area_50": 421.16804233752873,
"area_90": 1299.0167393755835,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "45347a1bd92cb20ed09918edc7661428",
"classification": {
"BBH": 0.000249600663260272,
"BNS": 0.0,
"NSBH": 0.0057057204174331385,
"Terrestrial": 0.9940446789193066
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-06T06:25:19Z",
"superevent_id": "S250306ax",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T06:25:21.240506Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T06:25:21.240523Z",
"modified": "2025-03-06T06:25:21.250879Z"
}
},
{
"id": 8269,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185718,
"topic": "igwn.gwalert",
"uuid": "1150a069-e924-4e5d-9d62-35c13e09a0f8",
"title": "S250306aw - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306aw/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250306aw/view/"
},
"event": {
"far": 1.85111e-05,
"time": "2025-03-06T06:20:15.461Z",
"group": "CBC",
"search": "BBH",
"area_50": 1916.9466856623048,
"area_90": 7334.587165500388,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.04264138160689884,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "e77d8ab88b49e9126fa484e706cb5ddf",
"classification": {
"BBH": 0.0014451795693388725,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9985548204306611
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-06T06:23:35Z",
"superevent_id": "S250306aw",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T06:23:36.875085Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T06:23:36.875102Z",
"modified": "2025-03-06T06:23:36.894425Z"
}
},
{
"id": 8268,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185717,
"topic": "igwn.gwalert",
"uuid": "50e08b53-fb3f-4ed0-a2ec-e3f8573e6ec0",
"title": "S250306ao - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306ao/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250306ao/view/"
},
"event": {
"far": 1.00427e-05,
"time": "2025-03-06T05:35:13.449Z",
"group": "CBC",
"search": "BBH",
"area_50": 1787.6954642997857,
"area_90": 6084.03963413575,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "8a2daa6c72a83cde4f15600c4e66baf7",
"classification": {
"BBH": 0.0025230172483544644,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9974769827516455
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-06T05:42:10Z",
"superevent_id": "S250306ao",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T05:42:10.931917Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T05:42:10.931934Z",
"modified": "2025-03-06T05:42:10.937909Z"
}
},
{
"id": 8267,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185716,
"topic": "igwn.gwalert",
"uuid": "75794d0f-9bc8-4ad7-a4ab-d01ac4e5f2ed",
"title": "S250306ao - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306ao/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250306ao/view/"
},
"event": {
"far": 1.00427e-05,
"time": "2025-03-06T05:35:13.449Z",
"group": "CBC",
"search": "BBH",
"area_50": 1787.6954642997857,
"area_90": 6084.03963413575,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "8a2daa6c72a83cde4f15600c4e66baf7",
"classification": {
"BBH": 0.0025230172483544644,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9974769827516455
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-06T05:37:36Z",
"superevent_id": "S250306ao",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T05:37:38.301282Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T05:37:38.301305Z",
"modified": "2025-03-06T05:37:38.309471Z"
}
},
{
"id": 8266,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185715,
"topic": "igwn.gwalert",
"uuid": "3410f78b-6177-4fa6-b8ba-680f47a03923",
"title": "S250306ab - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306ab/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250306ab/view/"
},
"event": {
"far": 3.09927e-06,
"time": "2025-03-06T04:06:38.039Z",
"group": "CBC",
"search": "BBH",
"area_50": 642.898932231754,
"area_90": 2101.5912876087623,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "db8a3e59255876e0f4322b0cdd1f3915",
"classification": {
"BBH": 0.006512482028375954,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.993487517971624
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-06T04:14:36Z",
"superevent_id": "S250306ab",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T04:14:37.177313Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T04:14:37.177330Z",
"modified": "2025-03-06T04:14:37.183857Z"
}
},
{
"id": 8265,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185714,
"topic": "igwn.gwalert",
"uuid": "4d40c1b2-f03a-46bd-9328-d30a92977057",
"title": "S250306ab - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250306ab/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250306ab/view/"
},
"event": {
"far": 3.09927e-06,
"time": "2025-03-06T04:06:38.039Z",
"group": "CBC",
"search": "BBH",
"area_50": 642.898932231754,
"area_90": 2101.5912876087623,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "db8a3e59255876e0f4322b0cdd1f3915",
"classification": {
"BBH": 0.006512482028375954,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.993487517971624
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-06T04:10:02Z",
"superevent_id": "S250306ab",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-06T04:10:02.268790Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-06T04:10:02.268817Z",
"modified": "2025-03-06T04:10:02.284614Z"
}
},
{
"id": 8264,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185713,
"topic": "igwn.gwalert",
"uuid": "ab611273-f240-406b-ab11-956732807c9c",
"title": "S250305c - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250305c/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250305c/view/"
},
"event": {
"far": 1.435562e-05,
"time": "2025-03-05T04:44:53.301Z",
"group": "CBC",
"search": "AllSky",
"area_50": 4789.84883322013,
"area_90": 14867.247631270611,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.02333333333333333,
"HasRemnant": 1.0
},
"instruments": [
"L1",
"V1"
],
"significant": false,
"skymap_hash": "6f11a546ba836ddd2cc93c55c921559e",
"classification": {
"BBH": 0.0,
"BNS": 0.000916441,
"NSBH": 0.00013092,
"Terrestrial": 0.998952639
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-05T04:50:00Z",
"superevent_id": "S250305c",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-05T04:50:01.855881Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-05T04:50:01.855899Z",
"modified": "2025-03-05T04:50:01.864635Z"
}
},
{
"id": 8263,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185712,
"topic": "igwn.gwalert",
"uuid": "289909a4-2b0d-4dc4-bee2-2dc803345350",
"title": "S250305c - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250305c/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250305c/view/"
},
"event": {
"far": 1.435562e-05,
"time": "2025-03-05T04:44:53.301Z",
"group": "CBC",
"search": "AllSky",
"area_50": 4789.84883322013,
"area_90": 14867.247631270611,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.02333333333333333,
"HasRemnant": 1.0
},
"instruments": [
"L1",
"V1"
],
"significant": false,
"skymap_hash": "6f11a546ba836ddd2cc93c55c921559e",
"classification": {
"BBH": 0.0,
"BNS": 0.000916441,
"NSBH": 0.00013092,
"Terrestrial": 0.998952639
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-05T04:45:25Z",
"superevent_id": "S250305c",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-05T04:45:26.145782Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-05T04:45:26.145806Z",
"modified": "2025-03-05T04:45:26.158805Z"
}
},
{
"id": 8262,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185711,
"topic": "igwn.gwalert",
"uuid": "889da914-4a6d-411b-81e6-24a08bfddc8a",
"title": "S250305b - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250305b/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250305b/view/"
},
"event": {
"far": 2.150284672097769e-05,
"time": "2025-03-05T04:00:56.575Z",
"group": "CBC",
"search": "AllSky",
"area_50": 3752.481887739127,
"area_90": 16789.230078804183,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.10387806435804496,
"HasRemnant": 0.0
},
"instruments": [
"L1",
"V1"
],
"significant": false,
"skymap_hash": "8b0cee31095643ce6f61d75fe6540890",
"classification": {
"BBH": 0.0020069470330295967,
"BNS": 0.0,
"NSBH": 0.0014651466258610102,
"Terrestrial": 0.9965279063411094
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-05T04:06:00Z",
"superevent_id": "S250305b",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-05T04:06:01.051883Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-05T04:06:01.051898Z",
"modified": "2025-03-05T04:06:01.062268Z"
}
},
{
"id": 8261,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185710,
"topic": "igwn.gwalert",
"uuid": "2278eaf6-2ad3-4566-a4d4-9c581940de5a",
"title": "S250305b - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250305b/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250305b/view/"
},
"event": {
"far": 2.150284672097769e-05,
"time": "2025-03-05T04:00:56.575Z",
"group": "CBC",
"search": "AllSky",
"area_50": 3752.481887739127,
"area_90": 16789.230078804183,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.10387806435804496,
"HasRemnant": 0.0
},
"instruments": [
"L1",
"V1"
],
"significant": false,
"skymap_hash": "8b0cee31095643ce6f61d75fe6540890",
"classification": {
"BBH": 0.0020069470330295967,
"BNS": 0.0,
"NSBH": 0.0014651466258610102,
"Terrestrial": 0.9965279063411094
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-05T04:01:25Z",
"superevent_id": "S250305b",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-05T04:01:26.345830Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-05T04:01:26.345851Z",
"modified": "2025-03-05T04:01:26.372024Z"
}
},
{
"id": 8260,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185700,
"topic": "igwn.gwalert",
"uuid": "16905f2c-7811-4fce-a61c-2358dabed17f",
"title": "S250304dj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250304dj/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250304dj/view/"
},
"event": {
"far": 2.204608e-05,
"time": "2025-03-04T14:44:50.129Z",
"group": "CBC",
"search": "AllSky",
"area_50": 5116.334061207274,
"area_90": 15803.06004568106,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.09986857508788455,
"HasRemnant": 0.6464560044471385
},
"instruments": [
"H1",
"V1"
],
"significant": false,
"skymap_hash": "0e59a64020ee5fa5d2c38ec851fa1a5f",
"classification": {
"BBH": 0.0,
"BNS": 0.0,
"NSBH": 0.000577895,
"Terrestrial": 0.999422105
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-04T14:49:54Z",
"superevent_id": "S250304dj",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T14:49:55.409413Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T14:49:55.409462Z",
"modified": "2025-03-04T14:49:55.418484Z"
}
},
{
"id": 8259,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185699,
"topic": "igwn.gwalert",
"uuid": "ad20092a-6635-4d3d-9a55-9ad7357be1e3",
"title": "S250304dj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250304dj/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250304dj/view/"
},
"event": {
"far": 2.204608e-05,
"time": "2025-03-04T14:44:50.129Z",
"group": "CBC",
"search": "AllSky",
"area_50": 5116.334061207274,
"area_90": 15803.06004568106,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.09986857508788455,
"HasRemnant": 0.6464560044471385
},
"instruments": [
"H1",
"V1"
],
"significant": false,
"skymap_hash": "0e59a64020ee5fa5d2c38ec851fa1a5f",
"classification": {
"BBH": 0.0,
"BNS": 0.0,
"NSBH": 0.000577895,
"Terrestrial": 0.999422105
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-04T14:45:19Z",
"superevent_id": "S250304dj",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T14:45:21.200590Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T14:45:21.200615Z",
"modified": "2025-03-04T14:45:21.208397Z"
}
},
{
"id": 8258,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185563,
"topic": "igwn.gwalert",
"uuid": "fb39473a-b489-479b-b4ac-b8bbbd9a2a0b",
"title": "S250304df - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250304df/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250304df/view/"
},
"event": {
"far": 4.155902e-07,
"time": "2025-03-04T09:36:02.103Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1367.8388182828994,
"area_90": 4658.079730921977,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.05367326492825584,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9b59c4b126dd1fb00fa53ce3f6a99c68",
"classification": {
"BBH": 0.731066137,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.268933863
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-04T09:41:08Z",
"superevent_id": "S250304df",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T09:41:09.602553Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T09:41:09.602585Z",
"modified": "2025-03-04T09:41:09.609526Z"
}
},
{
"id": 8257,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185562,
"topic": "igwn.gwalert",
"uuid": "bf26fa3a-e3ca-4564-81f6-25e0340c84e1",
"title": "S250304df - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250304df/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250304df/view/"
},
"event": {
"far": 4.155902e-07,
"time": "2025-03-04T09:36:02.103Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1367.8388182828994,
"area_90": 4658.079730921977,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.05367326492825584,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9b59c4b126dd1fb00fa53ce3f6a99c68",
"classification": {
"BBH": 0.731066137,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.268933863
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-04T09:36:32Z",
"superevent_id": "S250304df",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T09:36:33.426255Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T09:36:33.426285Z",
"modified": "2025-03-04T09:36:33.435679Z"
}
},
{
"id": 8256,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185561,
"topic": "igwn.gwalert",
"uuid": "e395a069-1439-4842-a687-cb0c871eaa19",
"title": "S250304dc - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250304dc/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250304dc/view/"
},
"event": {
"far": 1.556361722719764e-05,
"time": "2025-03-04T09:21:02.411Z",
"group": "CBC",
"search": "AllSky",
"area_50": 963.9287515250253,
"area_90": 4185.55740866809,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "5517be7dd61447fa236c5db37072e337",
"classification": {
"BBH": 0.07012647199812677,
"BNS": 8.500636296999509e-14,
"NSBH": 5.906114366252306e-12,
"Terrestrial": 0.9298735279958821
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-04T09:26:05Z",
"superevent_id": "S250304dc",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T09:26:05.494276Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T09:26:05.494307Z",
"modified": "2025-03-04T09:26:05.503380Z"
}
},
{
"id": 8255,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185560,
"topic": "igwn.gwalert",
"uuid": "5e6a3313-9a98-48fe-a11f-581897c88427",
"title": "S250304dc - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250304dc/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250304dc/view/"
},
"event": {
"far": 1.840285280586203e-05,
"time": "2025-03-04T09:21:02.412Z",
"group": "CBC",
"search": "AllSky",
"area_50": 943.3660572173517,
"area_90": 4219.968448121747,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "b9ba8c65efe222f7e5024defd26253df",
"classification": {
"BBH": 0.06086933364081993,
"BNS": 5.260763598130699e-14,
"NSBH": 3.6603370041561714e-12,
"Terrestrial": 0.9391306663554672
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-04T09:21:28Z",
"superevent_id": "S250304dc",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T09:21:30.337846Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T09:21:30.337878Z",
"modified": "2025-03-04T09:21:30.349894Z"
}
},
{
"id": 8254,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185552,
"topic": "igwn.gwalert",
"uuid": "45d594c7-7368-4aef-97f0-41fc8ec0ecaa",
"title": "S250304ck - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250304ck/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250304ck/view/"
},
"event": {
"far": 1.374398140949607e-06,
"time": "2025-03-04T07:11:02.601Z",
"group": "CBC",
"search": "AllSky",
"area_50": 537.3577563464497,
"area_90": 1895.125050886815,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.06734884807185774,
"HasMassGap": 0.8649724553933065,
"HasRemnant": 6.10564925640235e-05
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6a029236f839a5f2b3a031c119e60ed9",
"classification": {
"BBH": 0.011580253878795466,
"BNS": 0.0,
"NSBH": 0.022011655368930683,
"Terrestrial": 0.9664080907522739
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-04T07:16:04Z",
"superevent_id": "S250304ck",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T07:16:05.624111Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T07:16:05.624144Z",
"modified": "2025-03-04T07:16:05.631350Z"
}
},
{
"id": 8253,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185545,
"topic": "igwn.gwalert",
"uuid": "b6ebcf5f-e027-4614-8d0a-34705111b7a4",
"title": "S250304ck - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250304ck/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250304ck/view/"
},
"event": {
"far": 1.374398140949607e-06,
"time": "2025-03-04T07:11:02.602Z",
"group": "CBC",
"search": "AllSky",
"area_50": 511.1298299336007,
"area_90": 1948.0005505351187,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.48284072317804516,
"HasMassGap": 0.8023148034729537,
"HasRemnant": 6.493530610034361e-06
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "5d2a272baf03dfbcde0969597de426c6",
"classification": {
"BBH": 0.011509015754636089,
"BNS": 0.0,
"NSBH": 0.022082893493090092,
"Terrestrial": 0.9664080907522739
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-04T07:11:27Z",
"superevent_id": "S250304ck",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T07:11:28.348184Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T07:11:28.348236Z",
"modified": "2025-03-04T07:11:28.360887Z"
}
},
{
"id": 8252,
"sequence_number": 3,
"sequence_type": "INITIAL",
"message": {
"id": 185543,
"topic": "igwn.gwalert",
"uuid": "7bd0d040-d1a2-4df7-9a76-855e474f2ae3",
"title": "S250304cb - INITIAL",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250304cb/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250304cb/view/"
},
"event": {
"far": 5.620929127386178e-08,
"time": "2025-03-04T06:22:45.568Z",
"group": "CBC",
"search": "AllSky",
"area_50": 406.84759451611325,
"area_90": 1568.8496463109736,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.01873767752715121,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": true,
"skymap_hash": "b0821a2cea5755a405b089ddbe3d8067",
"classification": {
"BBH": 0.9616631168128694,
"BNS": 1.6666395415462835e-18,
"NSBH": 1.0566842709351674e-16,
"Terrestrial": 0.038336883187130466
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "INITIAL",
"sequence_num": 3,
"time_created": "2025-03-04T06:53:09Z",
"superevent_id": "S250304cb",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T06:53:11.397811Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T06:53:11.397842Z",
"modified": "2025-03-04T06:53:11.408619Z"
}
},
{
"id": 8251,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185487,
"topic": "igwn.gwalert",
"uuid": "7f3aadc3-4e74-46d7-8659-32d1aad554f7",
"title": "S250304cb - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250304cb/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250304cb/view/"
},
"event": {
"far": 5.620929127386178e-08,
"time": "2025-03-04T06:22:45.568Z",
"group": "CBC",
"search": "AllSky",
"area_50": 406.84759451611325,
"area_90": 1568.8496463109736,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.01873767752715121,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": true,
"skymap_hash": "b0821a2cea5755a405b089ddbe3d8067",
"classification": {
"BBH": 0.9616631168128694,
"BNS": 1.6666395415462835e-18,
"NSBH": 1.0566842709351674e-16,
"Terrestrial": 0.038336883187130466
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-04T06:27:52Z",
"superevent_id": "S250304cb",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T06:27:53.441853Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T06:27:53.441885Z",
"modified": "2025-03-04T06:27:53.449748Z"
}
},
{
"id": 8250,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185486,
"topic": "igwn.gwalert",
"uuid": "dd54da14-fba2-4e0b-8821-76abe9b90b1f",
"title": "S250304cb - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250304cb/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250304cb/view/"
},
"event": {
"far": 5.620929127386178e-08,
"time": "2025-03-04T06:22:45.563Z",
"group": "CBC",
"search": "AllSky",
"area_50": 346.05126109112933,
"area_90": 1526.6751406391127,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.007425851524485515,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": true,
"skymap_hash": "38bdc6943e6197a45fa21eee108a2f2b",
"classification": {
"BBH": 0.9616631168128694,
"BNS": 1.6666395415462835e-18,
"NSBH": 1.0566842709351674e-16,
"Terrestrial": 0.038336883187130466
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-04T06:23:14Z",
"superevent_id": "S250304cb",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T06:23:16.261691Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T06:23:16.261724Z",
"modified": "2025-03-04T06:23:16.269869Z"
}
},
{
"id": 8249,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185383,
"topic": "igwn.gwalert",
"uuid": "84e74e95-ffb2-4abd-9e4e-e86da07d04f8",
"title": "S250304t - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250304t/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250304t/view/"
},
"event": {
"far": 1.32792e-05,
"time": "2025-03-04T01:47:47.125Z",
"group": "CBC",
"search": "BBH",
"area_50": 2432.272983821962,
"area_90": 7747.519638944283,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "007cded1dcc23a1e4ca05dfc89202de4",
"classification": {
"BBH": 0.001969656602822001,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.998030343397178
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-04T01:53:35Z",
"superevent_id": "S250304t",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T01:53:37.266455Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T01:53:37.266490Z",
"modified": "2025-03-04T01:53:37.276198Z"
}
},
{
"id": 8248,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185382,
"topic": "igwn.gwalert",
"uuid": "7fb1162f-8b71-47da-aab3-d6fc5ffe3817",
"title": "S250304t - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250304t/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250304t/view/"
},
"event": {
"far": 1.32792e-05,
"time": "2025-03-04T01:47:47.125Z",
"group": "CBC",
"search": "BBH",
"area_50": 2432.272983821962,
"area_90": 7747.519638944283,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "007cded1dcc23a1e4ca05dfc89202de4",
"classification": {
"BBH": 0.001969656602822001,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.998030343397178
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-04T01:48:59Z",
"superevent_id": "S250304t",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T01:48:59.926541Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T01:48:59.926575Z",
"modified": "2025-03-04T01:48:59.936263Z"
}
},
{
"id": 8247,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185381,
"topic": "igwn.gwalert",
"uuid": "c1e28817-c45d-46f6-969f-f5a2745d64a8",
"title": "S250304s - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250304s/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250304s/view/"
},
"event": {
"far": 3.269475373004283e-06,
"time": "2025-03-04T01:41:31.696Z",
"group": "CBC",
"search": "AllSky",
"area_50": 366.45658784032577,
"area_90": 1319.9990805058626,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0005497076023391813,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "6c0580713c6fa918783aacc1b9a657fb",
"classification": {
"BBH": 0.35964310164750035,
"BNS": 3.808864966431752e-17,
"NSBH": 2.4224836764438367e-15,
"Terrestrial": 0.6403568983524972
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-04T01:46:29Z",
"superevent_id": "S250304s",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T01:46:30.265686Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T01:46:30.265740Z",
"modified": "2025-03-04T01:46:30.280496Z"
}
},
{
"id": 8246,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185380,
"topic": "igwn.gwalert",
"uuid": "58a5d95b-1fb2-4d80-9525-225dc7a55058",
"title": "S250304s - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250304s/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250304s/view/"
},
"event": {
"far": 2.025689846909704e-06,
"time": "2025-03-04T01:41:31.699Z",
"group": "CBC",
"search": "AllSky",
"area_50": 409.1031961876182,
"area_90": 1443.585069763207,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004656290674439494,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "c4eb23051ddadc9e119ff1b5b0853f6a",
"classification": {
"BBH": 0.45194501690959543,
"BNS": 2.0840298851848893e-17,
"NSBH": 1.3337296102110268e-15,
"Terrestrial": 0.5480549830904032
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-04T01:41:52Z",
"superevent_id": "S250304s",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T01:41:53.994124Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T01:41:53.994157Z",
"modified": "2025-03-04T01:41:54.013477Z"
}
},
{
"id": 8245,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185379,
"topic": "igwn.gwalert",
"uuid": "95340ab7-aec7-4896-ac8d-0e080919c71c",
"title": "S250304j - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250304j/view/"
},
"event": {
"far": 3.283235770639056e-06,
"time": "2025-03-04T01:02:54.926Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7445.373926668263,
"area_90": 22827.94785609853,
"duration": 0.09375,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c66c6ad8b794969063b9d247a70e2f6f",
"classification": {},
"skymap_version": 0,
"central_frequency": 112.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-04T01:08:14Z",
"superevent_id": "S250304j",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T01:08:15.409707Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T01:08:15.409741Z",
"modified": "2025-03-04T01:08:15.420377Z"
}
},
{
"id": 8244,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185378,
"topic": "igwn.gwalert",
"uuid": "324fb1dc-4c2c-446a-b418-dba409714bbc",
"title": "S250304j - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250304j/view/"
},
"event": {
"far": 3.283235770639056e-06,
"time": "2025-03-04T01:02:54.926Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7445.373926668263,
"area_90": 22827.94785609853,
"duration": 0.09375,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c66c6ad8b794969063b9d247a70e2f6f",
"classification": {},
"skymap_version": 0,
"central_frequency": 112.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-04T01:03:40Z",
"superevent_id": "S250304j",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T01:03:41.232898Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T01:03:41.232929Z",
"modified": "2025-03-04T01:03:41.245752Z"
}
},
{
"id": 8243,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185377,
"topic": "igwn.gwalert",
"uuid": "58e08723-4bd9-4765-b9d2-e2987256661f",
"title": "S250304d - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250304d/view/"
},
"event": {
"far": 1.0562248520596778e-05,
"time": "2025-03-04T00:30:07.342Z",
"group": "Burst",
"search": "AllSky",
"area_50": 6751.2780820786265,
"area_90": 21962.63610788582,
"duration": 0.125,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "47fab254c6bd687e6fbdc05c2511307d",
"classification": {},
"skymap_version": 0,
"central_frequency": 440.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-04T00:35:30Z",
"superevent_id": "S250304d",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T00:35:31.786695Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T00:35:31.786740Z",
"modified": "2025-03-04T00:35:31.798507Z"
}
},
{
"id": 8242,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185376,
"topic": "igwn.gwalert",
"uuid": "127ffe56-0d79-4140-8e34-a968d6922a08",
"title": "S250304d - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250304d/view/"
},
"event": {
"far": 1.0562248520596778e-05,
"time": "2025-03-04T00:30:07.342Z",
"group": "Burst",
"search": "AllSky",
"area_50": 6751.2780820786265,
"area_90": 21962.63610788582,
"duration": 0.125,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "47fab254c6bd687e6fbdc05c2511307d",
"classification": {},
"skymap_version": 0,
"central_frequency": 440.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-04T00:30:55Z",
"superevent_id": "S250304d",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T00:30:55.562936Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T00:30:55.562990Z",
"modified": "2025-03-04T00:30:55.573641Z"
}
},
{
"id": 8241,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185375,
"topic": "igwn.gwalert",
"uuid": "565b2ea1-418a-43bf-8e7e-9f8617e2cd2e",
"title": "S250304c - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250304c/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250304c/view/"
},
"event": {
"far": 1.321875982724316e-05,
"time": "2025-03-04T00:23:43.665Z",
"group": "CBC",
"search": "AllSky",
"area_50": 790.1949669663137,
"area_90": 3036.564408374002,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "6beda3055770a98ef40c9ac6a7785588",
"classification": {
"BBH": 0.08484249675929831,
"BNS": 1.0679310139259976e-15,
"NSBH": 7.671453852411583e-14,
"Terrestrial": 0.915157503240624
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-04T00:28:48Z",
"superevent_id": "S250304c",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T00:28:49.229594Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T00:28:49.229626Z",
"modified": "2025-03-04T00:28:49.238123Z"
}
},
{
"id": 8240,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185374,
"topic": "igwn.gwalert",
"uuid": "7e53b5cc-d608-4d03-9109-7478c6a45d6b",
"title": "S250304c - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250304c/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250304c/view/"
},
"event": {
"far": 1.182134241095953e-05,
"time": "2025-03-04T00:23:43.667Z",
"group": "CBC",
"search": "AllSky",
"area_50": 791.4539074341305,
"area_90": 3076.0112096989265,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "42158f029aa9d37e88dbd0bb9a208bf0",
"classification": {
"BBH": 0.09754587498883384,
"BNS": 1.0472822677198416e-15,
"NSBH": 7.519994041807323e-14,
"Terrestrial": 0.9024541250110899
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-04T00:24:12Z",
"superevent_id": "S250304c",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-04T00:24:13.025274Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-04T00:24:13.025329Z",
"modified": "2025-03-04T00:24:13.040655Z"
}
},
{
"id": 8239,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185360,
"topic": "igwn.gwalert",
"uuid": "731dc794-9add-46bf-806c-82b03fa3090e",
"title": "S250303fn - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250303fn/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250303fn/view/"
},
"event": {
"far": 6.735931037837872e-06,
"time": "2025-03-03T22:53:35.951Z",
"group": "CBC",
"search": "AllSky",
"area_50": 5977.449341193931,
"area_90": 28170.05190786761,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "2b8ab867266897b094773fa0299ebb42",
"classification": {
"BBH": 0.0,
"BNS": 0.003805860954470483,
"NSBH": 0.001930322860799099,
"Terrestrial": 0.9942638161847304
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-03T22:58:36Z",
"superevent_id": "S250303fn",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-03T22:58:38.211657Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-03T22:58:38.211690Z",
"modified": "2025-03-03T22:58:38.218411Z"
}
},
{
"id": 8238,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185359,
"topic": "igwn.gwalert",
"uuid": "0a4dbea7-f209-411e-be9e-3f1aa3b462a4",
"title": "S250303fn - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250303fn/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250303fn/view/"
},
"event": {
"far": 6.735931037837872e-06,
"time": "2025-03-03T22:53:35.951Z",
"group": "CBC",
"search": "AllSky",
"area_50": 5977.449341193931,
"area_90": 28170.05190786761,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "2b8ab867266897b094773fa0299ebb42",
"classification": {
"BBH": 0.0,
"BNS": 0.003805860954470483,
"NSBH": 0.001930322860799099,
"Terrestrial": 0.9942638161847304
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-03T22:54:01Z",
"superevent_id": "S250303fn",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-03T22:54:02.844753Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-03T22:54:02.844784Z",
"modified": "2025-03-03T22:54:02.853810Z"
}
},
{
"id": 8237,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185358,
"topic": "igwn.gwalert",
"uuid": "5538365c-4048-409a-8e6e-cb09e347acc7",
"title": "S250303fj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250303fj/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250303fj/view/"
},
"event": {
"far": 2.042717376126268e-05,
"time": "2025-03-03T22:47:22.948Z",
"group": "CBC",
"search": "AllSky",
"area_50": 686.3323783714318,
"area_90": 2984.5282023709096,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "c1ccfa4f846ceff3f3a7d4f33a2e75c7",
"classification": {
"BBH": 0.0518926627861939,
"BNS": 1.4129585300460587e-14,
"NSBH": 8.996246200634436e-13,
"Terrestrial": 0.9481073372128923
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-03T22:52:20Z",
"superevent_id": "S250303fj",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-03T22:52:21.415656Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-03T22:52:21.415687Z",
"modified": "2025-03-03T22:52:21.423987Z"
}
},
{
"id": 8236,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185357,
"topic": "igwn.gwalert",
"uuid": "f3f97b98-8ce2-43b6-b33e-7793a4133eac",
"title": "S250303fg - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250303fg/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250303fg/view/"
},
"event": {
"far": 1.96063e-05,
"time": "2025-03-03T22:43:51.590Z",
"group": "CBC",
"search": "BBH",
"area_50": 1046.5991755783252,
"area_90": 3227.0840658369375,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "91a8dbdf5682770dbbd0896ffe08aaba",
"classification": {
"BBH": 0.0008506594750748997,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9991493405249251
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-03T22:49:51Z",
"superevent_id": "S250303fg",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-03T22:49:52.718765Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-03T22:49:52.718812Z",
"modified": "2025-03-03T22:49:52.733070Z"
}
},
{
"id": 8235,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185356,
"topic": "igwn.gwalert",
"uuid": "87eabb4c-3486-4078-893e-b86192d22ab5",
"title": "S250303fj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250303fj/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250303fj/view/"
},
"event": {
"far": 2.042717376126268e-05,
"time": "2025-03-03T22:47:22.952Z",
"group": "CBC",
"search": "AllSky",
"area_50": 720.9532412363924,
"area_90": 2950.956456562463,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "29df21672dd37b833e999e29b43a667d",
"classification": {
"BBH": 0.0518926627861939,
"BNS": 1.4129585300460587e-14,
"NSBH": 8.996246200634436e-13,
"Terrestrial": 0.9481073372128923
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-03T22:47:45Z",
"superevent_id": "S250303fj",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-03T22:47:46.157776Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-03T22:47:46.157889Z",
"modified": "2025-03-03T22:47:46.171812Z"
}
},
{
"id": 8234,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185355,
"topic": "igwn.gwalert",
"uuid": "89760980-cb15-42ae-8714-31c6516d7572",
"title": "S250303fg - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250303fg/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250303fg/view/"
},
"event": {
"far": 1.96063e-05,
"time": "2025-03-03T22:43:51.590Z",
"group": "CBC",
"search": "BBH",
"area_50": 1046.5991755783252,
"area_90": 3227.0840658369375,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "91a8dbdf5682770dbbd0896ffe08aaba",
"classification": {
"BBH": 0.0008506594750748997,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9991493405249251
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-03T22:45:17Z",
"superevent_id": "S250303fg",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-03T22:45:18.437790Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-03T22:45:18.437840Z",
"modified": "2025-03-03T22:45:18.450864Z"
}
},
{
"id": 8233,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185318,
"topic": "igwn.gwalert",
"uuid": "6cb06901-06e0-4542-95c2-7274d2d9d992",
"title": "S250303ec - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250303ec/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250303ec/view/"
},
"event": {
"far": 2.061181e-05,
"time": "2025-03-03T19:49:31.420Z",
"group": "CBC",
"search": "AllSky",
"area_50": 391.84522060796365,
"area_90": 1503.3847419845026,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.1979346870959936,
"HasRemnant": 0.8529913917316075
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "d339a3b413bb7d2026180b47d7bed430",
"classification": {
"BBH": 0.0,
"BNS": 0.000100954,
"NSBH": 0.000513948,
"Terrestrial": 0.999385098
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-03T19:54:35Z",
"superevent_id": "S250303ec",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-03T19:54:36.643533Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-03T19:54:36.643580Z",
"modified": "2025-03-03T19:54:36.649254Z"
}
},
{
"id": 8232,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185317,
"topic": "igwn.gwalert",
"uuid": "67be9221-b606-4125-88d9-3b8e1f0fa25b",
"title": "S250303ec - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250303ec/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250303ec/view/"
},
"event": {
"far": 2.061181e-05,
"time": "2025-03-03T19:49:31.420Z",
"group": "CBC",
"search": "AllSky",
"area_50": 391.84522060796365,
"area_90": 1503.3847419845026,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.1979346870959936,
"HasRemnant": 0.8529913917316075
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "d339a3b413bb7d2026180b47d7bed430",
"classification": {
"BBH": 0.0,
"BNS": 0.000100954,
"NSBH": 0.000513948,
"Terrestrial": 0.999385098
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-03T19:50:00Z",
"superevent_id": "S250303ec",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-03T19:50:01.579692Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-03T19:50:01.579744Z",
"modified": "2025-03-03T19:50:01.592478Z"
}
},
{
"id": 8231,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185202,
"topic": "igwn.gwalert",
"uuid": "8ead892a-c239-4209-a627-e7b063bb28ce",
"title": "S250303co - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250303co/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250303co/view/"
},
"event": {
"far": 2.6435e-06,
"time": "2025-03-03T10:57:14.645Z",
"group": "CBC",
"search": "BBH",
"area_50": 991.2057949943882,
"area_90": 3385.710564781847,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "93fc1f44b087eef2f272cff0a2fc8e7d",
"classification": {
"BBH": 0.0121934000817574,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9878065999182426
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-03T11:03:43Z",
"superevent_id": "S250303co",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-03T11:03:44.636492Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-03T11:03:44.636545Z",
"modified": "2025-03-03T11:03:44.647430Z"
}
},
{
"id": 8230,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185201,
"topic": "igwn.gwalert",
"uuid": "4ca07c21-c758-48ac-b702-e71626354472",
"title": "S250303co - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250303co/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250303co/view/"
},
"event": {
"far": 2.6435e-06,
"time": "2025-03-03T10:57:14.645Z",
"group": "CBC",
"search": "BBH",
"area_50": 991.2057949943882,
"area_90": 3385.710564781847,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "93fc1f44b087eef2f272cff0a2fc8e7d",
"classification": {
"BBH": 0.0121934000817574,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9878065999182426
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-03T10:59:07Z",
"superevent_id": "S250303co",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-03T10:59:08.471782Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-03T10:59:08.471825Z",
"modified": "2025-03-03T10:59:08.488207Z"
}
},
{
"id": 8229,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185021,
"topic": "igwn.gwalert",
"uuid": "91e07704-1e42-4f71-9b95-b58722325933",
"title": "S250303bm - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250303bm/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250303bm/view/"
},
"event": {
"far": 1.72878e-06,
"time": "2025-03-03T07:34:29.151Z",
"group": "Burst",
"search": "AllSky",
"area_50": 145.19780062153188,
"area_90": 1892.6071699511815,
"duration": 0.001837,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9831b04bf103f042508c9d3a959ea7db",
"classification": {},
"skymap_version": 0,
"central_frequency": 416.121338
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-03T07:40:44Z",
"superevent_id": "S250303bm",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-03T07:40:45.988205Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-03T07:40:45.988233Z",
"modified": "2025-03-03T07:40:45.995172Z"
}
},
{
"id": 8228,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185020,
"topic": "igwn.gwalert",
"uuid": "8fa5825a-1cab-4131-9463-687b1a0d04cf",
"title": "S250303bm - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250303bm/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250303bm/view/"
},
"event": {
"far": 1.72878e-06,
"time": "2025-03-03T07:34:29.151Z",
"group": "Burst",
"search": "AllSky",
"area_50": 145.19780062153188,
"area_90": 1892.6071699511815,
"duration": 0.001837,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9831b04bf103f042508c9d3a959ea7db",
"classification": {},
"skymap_version": 0,
"central_frequency": 416.121338
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-03T07:36:09Z",
"superevent_id": "S250303bm",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-03T07:36:09.887597Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-03T07:36:09.887635Z",
"modified": "2025-03-03T07:36:09.896345Z"
}
},
{
"id": 8227,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185017,
"topic": "igwn.gwalert",
"uuid": "edd5db27-c557-4235-9281-30888b2e6516",
"title": "S250303bf - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250303bf/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250303bf/view/"
},
"event": {
"far": 7.114158e-07,
"time": "2025-03-03T06:49:16.317Z",
"group": "CBC",
"search": "AllSky",
"area_50": 475.98440854038313,
"area_90": 1611.863445628046,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.41385580547777095,
"HasRemnant": 0.8424627881122344
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "d1de5c53af179d59d7003db40cdf920c",
"classification": {
"BBH": 0.0,
"BNS": 0.007315541,
"NSBH": 0.0063716,
"Terrestrial": 0.986312859
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-03T06:54:20Z",
"superevent_id": "S250303bf",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-03T06:54:22.069437Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-03T06:54:22.069465Z",
"modified": "2025-03-03T06:54:22.074332Z"
}
},
{
"id": 8226,
"sequence_number": 1,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185016,
"topic": "igwn.gwalert",
"uuid": "dea5d7f7-3857-4af5-86c4-9b52f82c6430",
"title": "S250303bf - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250303bf/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250303bf/view/"
},
"event": {
"far": 7.114158e-07,
"time": "2025-03-03T06:49:16.317Z",
"group": "CBC",
"search": "AllSky",
"area_50": 475.98440854038313,
"area_90": 1611.863445628046,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.41385580547777095,
"HasRemnant": 0.8424627881122344
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "d1de5c53af179d59d7003db40cdf920c",
"classification": {
"BBH": 0.0,
"BNS": 0.007315541,
"NSBH": 0.0063716,
"Terrestrial": 0.986312859
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2025-03-03T06:49:45Z",
"superevent_id": "S250303bf",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-03T06:49:46.876328Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-03T06:49:46.876375Z",
"modified": "2025-03-03T06:49:46.888293Z"
}
},
{
"id": 8225,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 185005,
"topic": "igwn.gwalert",
"uuid": "f9cab4ed-adaf-4876-a28b-2411baddf69a",
"title": "S250303at - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250303at/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250303at/view/"
},
"event": {
"far": 1.703202360658906e-05,
"time": "2025-03-03T05:39:33.078Z",
"group": "CBC",
"search": "AllSky",
"area_50": 3022.296416405412,
"area_90": 11827.326048315765,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.05584942834942835,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "fcc75fe8e0871a952b080471218baf60",
"classification": {
"BBH": 0.049130185291738945,
"BNS": 0.0,
"NSBH": 0.0015120823445970465,
"Terrestrial": 0.949357732363664
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-03-03T05:44:32Z",
"superevent_id": "S250303at",
"external_coinc": null
},
"message_text": "",
"published": "2025-03-03T05:44:33.219364Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-03-03T05:44:33.219430Z",
"modified": "2025-03-03T05:44:33.226942Z"
}
}
]
}