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=9000&ordering=sequence_number",
"previous": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=8800&ordering=sequence_number",
"results": [
{
"id": 2919,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4613,
"topic": "igwn.gwalert",
"uuid": "8d700342-f603-4006-a425-0c60b9a5e71f",
"title": "S231113ac - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231113ac/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231113ac/view/"
},
"event": {
"far": 1.440657160856063e-05,
"time": "2023-11-13T06:48:26.030Z",
"group": "CBC",
"search": "AllSky",
"area_50": 4613.597167725785,
"area_90": 14220.991524458013,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.9128179177841501,
"HasMassGap": 0.05584942834942835,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "1fde422a4a41d913311d0825e828854f",
"classification": {
"BBH": 0.08603735939152597,
"BNS": 0.0,
"NSBH": 0.004742882217009766,
"Terrestrial": 0.9092197583914643
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-13T06:53:24Z",
"superevent_id": "S231113ac",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-13T06:53:26.473672Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-13T06:53:26.473700Z",
"modified": "2023-11-13T06:53:26.484309Z"
}
},
{
"id": 10720,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5783880,
"topic": "igwn.gwalert",
"uuid": "61f7c9f9-cf4f-4698-94ed-62fa7cf0cad8",
"title": "S251002ay - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S251002ay/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S251002ay/view/"
},
"event": {
"far": 2.152997e-05,
"time": "2025-10-02T06:37:59.629Z",
"group": "CBC",
"search": "AllSky",
"area_50": 115.29796451088407,
"area_90": 1468.7638791195423,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "806ffe29a55672dbcd9b6317393075f5",
"classification": {
"BBH": 0.030125043894341452,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9698749561056585
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-10-02T06:42:57Z",
"superevent_id": "S251002ay",
"external_coinc": null
},
"message_text": "",
"published": "2025-10-02T06:42:58.891231Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-10-02T06:42:58.891250Z",
"modified": "2025-10-02T06:42:58.898290Z"
}
},
{
"id": 2921,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4615,
"topic": "igwn.gwalert",
"uuid": "9866d677-432f-482a-b40d-b5c771567d7a",
"title": "S231113af - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231113af/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231113af/view/"
},
"event": {
"far": 1.358235022053123e-05,
"time": "2023-11-13T07:32:33.617Z",
"group": "CBC",
"search": "AllSky",
"area_50": 7271.640142109551,
"area_90": 22187.566804802413,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.05584942834942835,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "3339167ddcfcbf5254dbd6da117d9c69",
"classification": {
"BBH": 0.06425689546512227,
"BNS": 0.0,
"NSBH": 0.004903461512275221,
"Terrestrial": 0.9308396430226025
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-13T07:37:32Z",
"superevent_id": "S231113af",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-13T07:37:33.250690Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-13T07:37:33.250713Z",
"modified": "2023-11-13T07:37:33.255943Z"
}
},
{
"id": 7227,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 163492,
"topic": "igwn.gwalert",
"uuid": "a47bef92-27dd-4720-9d7e-6911a7977a31",
"title": "S250105dt - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250105dt/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250105dt/view/"
},
"event": {
"far": 1.023402386170566e-05,
"time": "2025-01-05T14:26:49.774Z",
"group": "CBC",
"search": "AllSky",
"area_50": 980.9244478405515,
"area_90": 3805.357387387431,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.004,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "c3dc4191b0a0281edb50d310636c9bf3",
"classification": {
"BBH": 0.001263948675072092,
"BNS": 0.0,
"NSBH": 0.004130198895269531,
"Terrestrial": 0.9946058524296584
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-05T14:31:53Z",
"superevent_id": "S250105dt",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-05T14:31:54.945963Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-05T14:31:54.945978Z",
"modified": "2025-01-05T14:31:54.950753Z"
}
},
{
"id": 2923,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4617,
"topic": "igwn.gwalert",
"uuid": "4f2d692c-188e-47a7-9b6c-e164818d3b50",
"title": "S231113ao - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231113ao/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231113ao/view/"
},
"event": {
"far": 1.92103e-05,
"time": "2023-11-13T09:42:13.629Z",
"group": "Burst",
"search": "BBH",
"area_50": 4895.599832516737,
"area_90": 14547.476752445156,
"duration": 0.046678,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "cf1ce0c1d831766fb903f1dc3eb8fdc1",
"classification": {},
"skymap_version": 0,
"central_frequency": 23.078279
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-13T09:47:57Z",
"superevent_id": "S231113ao",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-13T09:47:59.261442Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-13T09:47:59.261467Z",
"modified": "2023-11-13T09:47:59.267106Z"
}
},
{
"id": 9251,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 445233,
"topic": "igwn.gwalert",
"uuid": "bf66d299-f69e-4f58-add9-956fb2c5f915",
"title": "S250717bo - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250717bo/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250717bo/view/"
},
"event": {
"far": 1.17964e-05,
"time": "2025-07-17T23:37:37.200Z",
"group": "Burst",
"search": "AllSky",
"area_50": 173.7337845587116,
"area_90": 693.256550944424,
"duration": 0.007617,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "aac107caff8290b22ecc05fe501b6063",
"classification": {},
"skymap_version": 0,
"central_frequency": 666.750122
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-07-17T23:43:24Z",
"superevent_id": "S250717bo",
"external_coinc": null
},
"message_text": "",
"published": "2025-07-17T23:43:25.761034Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-07-17T23:43:25.761053Z",
"modified": "2025-07-17T23:43:25.765362Z"
}
},
{
"id": 2925,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4620,
"topic": "igwn.gwalert",
"uuid": "77c249b2-0442-4c50-95c4-9cca34f5e648",
"title": "S231113at - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231113at/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231113at/view/"
},
"event": {
"far": 1.20533e-05,
"time": "2023-11-13T10:47:28.844Z",
"group": "Burst",
"search": "BBH",
"area_50": 1668.5157666797998,
"area_90": 5819.662135894232,
"duration": 0.017361,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "1c282e330da0c42dce67a833da3558e4",
"classification": {},
"skymap_version": 0,
"central_frequency": 26.683418
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-13T10:53:30Z",
"superevent_id": "S231113at",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-13T10:53:31.724792Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-13T10:53:31.724827Z",
"modified": "2023-11-13T10:53:31.730034Z"
}
},
{
"id": 7229,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 163613,
"topic": "igwn.gwalert",
"uuid": "9e816f80-cc00-4209-8a58-e23b21d5d243",
"title": "S250106b - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250106b/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250106b/view/"
},
"event": {
"far": 7.224340151879005e-06,
"time": "2025-01-06T00:27:37.388Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2205.663699614947,
"area_90": 16795.944427965875,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.6203419227896545,
"HasMassGap": 0.42335837373802887,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"V1"
],
"significant": false,
"skymap_hash": "ecc28a6be5d823bc085ccaab9db351ae",
"classification": {
"BBH": 0.08098688876500272,
"BNS": 0.0,
"NSBH": 0.0029352637021242494,
"Terrestrial": 0.916077847532873
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-06T00:32:37Z",
"superevent_id": "S250106b",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-06T00:32:39.043347Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-06T00:32:39.043363Z",
"modified": "2025-01-06T00:32:39.047766Z"
}
},
{
"id": 2927,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4623,
"topic": "igwn.gwalert",
"uuid": "25317169-42e9-4218-bbd4-19a63bfbc76f",
"title": "S231113az - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231113az/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S231113az/view/"
},
"event": {
"far": 1.570458493867364e-06,
"time": "2023-11-13T11:28:25.493Z",
"group": "CBC",
"search": "AllSky",
"area_50": 292.54629120891735,
"area_90": 1265.6548169784396,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.03210230956782681,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "30e011f6dfb8732f64ff72db91da3963",
"classification": {
"BBH": 0.5729858020845234,
"BNS": 1.5798924060626782e-14,
"NSBH": 1.1343626516706305e-12,
"Terrestrial": 0.4270141979143265
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-13T11:33:29Z",
"superevent_id": "S231113az",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-13T11:33:30.338210Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-13T11:33:30.338236Z",
"modified": "2023-11-13T11:33:30.343515Z"
}
},
{
"id": 10252,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5775805,
"topic": "igwn.gwalert",
"uuid": "bad808d5-a6ff-4868-8258-35056ea3b2dd",
"title": "S250905ar - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250905ar/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250905ar/view/"
},
"event": {
"far": 9.66299e-06,
"time": "2025-09-05T06:32:01.973Z",
"group": "CBC",
"search": "BBH",
"area_50": 440.6291637358627,
"area_90": 1609.7652115150183,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.13974852446404168,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "168afd2dace0dec3a51a33f88ab35ba4",
"classification": {
"BBH": 0.003100733525106092,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9968992664748939
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-05T06:37:53Z",
"superevent_id": "S250905ar",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-05T06:37:54.606747Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-05T06:37:54.606767Z",
"modified": "2025-09-05T06:37:54.619022Z"
}
},
{
"id": 2929,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4626,
"topic": "igwn.gwalert",
"uuid": "0b07c52a-3a55-4b54-99f0-f06ab83d3a32",
"title": "S231113bb - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231113bb/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231113bb/view/"
},
"event": {
"far": 5.596989048399818e-08,
"time": "2023-11-13T12:26:23.884Z",
"group": "CBC",
"search": "AllSky",
"area_50": 966.6564558719616,
"area_90": 2715.114942258125,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.004106583072100313,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "49be1fd9980a21b271e3d653dc8530b4",
"classification": {
"BBH": 0.9646796856313857,
"BNS": 1.4830226192796797e-16,
"NSBH": 1.0596500990812777e-14,
"Terrestrial": 0.03532031436860361
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-13T12:31:28Z",
"superevent_id": "S231113bb",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-13T12:31:29.431080Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-13T12:31:29.431105Z",
"modified": "2023-11-13T12:31:29.436380Z"
}
},
{
"id": 7231,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 163622,
"topic": "igwn.gwalert",
"uuid": "3da07a01-1379-4233-a90c-b409e959cde1",
"title": "S250106i - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250106i/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250106i/view/"
},
"event": {
"far": 1.22561e-05,
"time": "2025-01-06T00:51:49.175Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1544.3003071885473,
"area_90": 5509.123487166101,
"duration": 0.027803,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "0022afde4111380701533a6fcde1db4b",
"classification": {},
"skymap_version": 0,
"central_frequency": 838.429871
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-06T00:58:02Z",
"superevent_id": "S250106i",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-06T00:58:02.997962Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-06T00:58:02.997982Z",
"modified": "2025-01-06T00:58:03.007575Z"
}
},
{
"id": 2931,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4628,
"topic": "igwn.gwalert",
"uuid": "8dd8bd15-ae5c-46d3-899c-24e7453c9480",
"title": "S231113bi - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231113bi/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231113bi/view/"
},
"event": {
"far": 1.23179e-05,
"time": "2023-11-13T14:15:31.178Z",
"group": "Burst",
"search": "AllSky",
"area_50": 397.8251878300932,
"area_90": 1739.016432877538,
"duration": 0.064009,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "2504b98293d148dea1aabbd358733b3a",
"classification": {},
"skymap_version": 0,
"central_frequency": 28.226585
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-13T14:22:44Z",
"superevent_id": "S231113bi",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-13T14:22:45.693709Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-13T14:22:45.693748Z",
"modified": "2023-11-13T14:22:45.700098Z"
}
},
{
"id": 11110,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5798864,
"topic": "igwn.gwalert",
"uuid": "2a5b31ba-ecea-4a33-bfca-45b4417d5340",
"title": "S251115s - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S251115s/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S251115s/view/"
},
"event": {
"far": 3.88021e-06,
"time": "2025-11-15T18:54:50.416Z",
"group": "Burst",
"search": "AllSky",
"area_50": 832.5792960494776,
"area_90": 4578.3468346269165,
"duration": 0.024536,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "1850d22b547c8de4fd821d2552411689",
"classification": {},
"skymap_version": 0,
"central_frequency": 836.745178
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-11-15T19:01:20Z",
"superevent_id": "S251115s",
"external_coinc": null
},
"message_text": "",
"published": "2025-11-15T19:01:20.751946Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-11-15T19:01:20.751968Z",
"modified": "2025-11-15T19:01:20.772968Z"
}
},
{
"id": 2934,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4632,
"topic": "igwn.gwalert",
"uuid": "87c32401-4663-41cc-866b-33c75a2f2b0a",
"title": "S231113bm - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231113bm/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S231113bm/view/"
},
"event": {
"far": 3.373095386148545e-06,
"time": "2023-11-13T15:00:41.409Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1024.5677173915321,
"area_90": 4185.55740866809,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.04264138160689884,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "7801bc545ce84adbe4674e22b9af1bdd",
"classification": {
"BBH": 0.37804462426647245,
"BNS": 3.7241461078050295e-16,
"NSBH": 6.603815604310706e-14,
"Terrestrial": 0.621955375733461
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-13T15:05:43Z",
"superevent_id": "S231113bm",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-13T15:05:44.816544Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-13T15:05:44.816571Z",
"modified": "2023-11-13T15:05:44.822215Z"
}
},
{
"id": 7233,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 163637,
"topic": "igwn.gwalert",
"uuid": "bc644119-a7fe-4c49-bef9-054313a34a89",
"title": "S250106k - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250106k/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250106k/view/"
},
"event": {
"far": 1.905955827361716e-05,
"time": "2025-01-06T01:32:47.432Z",
"group": "CBC",
"search": "AllSky",
"area_50": 535.2595222334218,
"area_90": 9755.949331934604,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.04020487367039092,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"V1"
],
"significant": false,
"skymap_hash": "baf3f2922c81b7fc73d2bef6a1b30f1e",
"classification": {
"BBH": 0.0609219234178967,
"BNS": 2.637932362058939e-14,
"NSBH": 1.821047605106767e-12,
"Terrestrial": 0.9390780765802559
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-06T01:37:50Z",
"superevent_id": "S250106k",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-06T01:37:51.641476Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-06T01:37:51.641493Z",
"modified": "2025-01-06T01:37:51.648761Z"
}
},
{
"id": 2936,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4636,
"topic": "igwn.gwalert",
"uuid": "427b8b81-bfd8-44cd-818c-b1e1a3676c0b",
"title": "S231113bo - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231113bo/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231113bo/view/"
},
"event": {
"far": 1.046292618411826e-05,
"time": "2023-11-13T15:33:08.671Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1115.0016076630357,
"area_90": 4640.454564372542,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.45594227994228,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9b037c17d86fceff8c02da90fb59ba5c",
"classification": {
"BBH": 0.0,
"BNS": 0.0026089517815703414,
"NSBH": 0.0,
"Terrestrial": 0.9973910482184296
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-13T15:38:09Z",
"superevent_id": "S231113bo",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-13T15:38:10.940361Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-13T15:38:10.940403Z",
"modified": "2023-11-13T15:38:10.946519Z"
}
},
{
"id": 9254,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 445581,
"topic": "igwn.gwalert",
"uuid": "375aa782-04e4-452d-84bc-e197ebee0d55",
"title": "S250718k - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250718k/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250718k/view/"
},
"event": {
"far": 1.988457e-05,
"time": "2025-07-18T01:05:53.546Z",
"group": "CBC",
"search": "AllSky",
"area_50": 433.44271189874206,
"area_90": 1800.0750455666505,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.339579400532075,
"HasRemnant": 0.00014760200602716188
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "f94d24217cf7b8909f18c735f2b220db",
"classification": {
"BBH": 0.0,
"BNS": 6.993255824884172e-05,
"NSBH": 0.000565690821180176,
"Terrestrial": 0.999364376620571
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-07-18T01:11:28Z",
"superevent_id": "S250718k",
"external_coinc": null
},
"message_text": "",
"published": "2025-07-18T02:56:26.602246Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-07-18T02:56:26.602264Z",
"modified": "2025-07-18T02:56:26.607557Z"
}
},
{
"id": 2938,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4641,
"topic": "igwn.gwalert",
"uuid": "797588d6-2c8b-4c02-90bb-9f6faa3a1b85",
"title": "S231113bs - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231113bs/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231113bs/view/"
},
"event": {
"far": 8.584645456721773e-07,
"time": "2023-11-13T18:56:02.518Z",
"group": "CBC",
"search": "AllSky",
"area_50": 284.5205457265856,
"area_90": 4257.73666215625,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c4ddbb86d017735badb064c5d4c483c9",
"classification": {
"BBH": 0.0,
"BNS": 0.015878400485873186,
"NSBH": 0.0,
"Terrestrial": 0.9841215995141268
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-13T19:01:01Z",
"superevent_id": "S231113bs",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-13T19:01:03.601833Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-13T19:01:03.601860Z",
"modified": "2023-11-13T19:01:03.607543Z"
}
},
{
"id": 7235,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 163700,
"topic": "igwn.gwalert",
"uuid": "d3d3fd89-0ca8-47ac-8521-841fcae76aae",
"title": "S250106q - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250106q/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250106q/view/"
},
"event": {
"far": 7.948093348543382e-06,
"time": "2025-01-06T06:25:11.934Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1674.1809987849754,
"area_90": 13334.697435115018,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.026260429225946468,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"V1"
],
"significant": false,
"skymap_hash": "902492ed22768eee0fff91dc1b91c7e9",
"classification": {
"BBH": 0.14058762519109116,
"BNS": 4.352316359345247e-13,
"NSBH": 3.289132553485531e-11,
"Terrestrial": 0.8594123747755823
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-06T06:30:16Z",
"superevent_id": "S250106q",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-06T06:30:16.605790Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-06T06:30:16.605804Z",
"modified": "2025-01-06T06:30:16.613182Z"
}
},
{
"id": 2940,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4643,
"topic": "igwn.gwalert",
"uuid": "cae63686-f6c3-44df-82fc-47ebf1761cf2",
"title": "S231113bw - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231113bw/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231113bw/view/"
},
"event": {
"far": 1.362044712164856e-08,
"time": "2023-11-13T20:04:17.911Z",
"group": "CBC",
"search": "AllSky",
"area_50": 374.7970684396118,
"area_90": 1498.9784503471442,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 8.055359540951005e-05,
"HasMassGap": 0.05828513276514074,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "4b616e05e9e75da95a1ed6b5c14aa281",
"classification": {
"BBH": 0.7888003335728015,
"BNS": 0.0,
"NSBH": 0.1708031014598948,
"Terrestrial": 0.040396564967303594
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-13T20:09:29Z",
"superevent_id": "S231113bw",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-13T20:09:31.049127Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-13T20:09:31.049166Z",
"modified": "2023-11-13T20:09:31.054941Z"
}
},
{
"id": 2943,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4647,
"topic": "igwn.gwalert",
"uuid": "3329380c-dc8b-4303-b0fb-ec6ed314d1db",
"title": "S231113bz - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231113bz/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231113bz/view/"
},
"event": {
"far": 8.23007e-06,
"time": "2023-11-13T20:48:29.930Z",
"group": "Burst",
"search": "BBH",
"area_50": 902.2406686020045,
"area_90": 2926.6169408513397,
"duration": 0.004699,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6590066455140175919ce4ed6ad4201f",
"classification": {},
"skymap_version": 0,
"central_frequency": 152.440323
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-13T20:54:21Z",
"superevent_id": "S231113bz",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-13T20:54:22.298428Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-13T20:54:22.298472Z",
"modified": "2023-11-13T20:54:22.304242Z"
}
},
{
"id": 10254,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5775807,
"topic": "igwn.gwalert",
"uuid": "89e22c93-8ed9-4b19-998e-27f9e6e5d95e",
"title": "S250905at - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250905at/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250905at/view/"
},
"event": {
"far": 1.778560808581453e-05,
"time": "2025-09-05T06:42:11.164Z",
"group": "CBC",
"search": "AllSky",
"area_50": 162.40332034836084,
"area_90": 1022.469483278504,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.05164506327006327,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "ca41b10e04af6d16c08733dad10ebe63",
"classification": {
"BBH": 0.059698217945194705,
"BNS": 5.483109499931757e-19,
"NSBH": 3.45196723065927e-17,
"Terrestrial": 0.9403017820548053
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-05T06:47:12Z",
"superevent_id": "S250905at",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-05T06:47:14.347817Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-05T06:47:14.347839Z",
"modified": "2025-09-05T06:47:14.357870Z"
}
},
{
"id": 2945,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4649,
"topic": "igwn.gwalert",
"uuid": "5053c629-addd-422e-a3ee-8d5feec41960",
"title": "S231113cd - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231113cd/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231113cd/view/"
},
"event": {
"far": 1.66629e-07,
"time": "2023-11-13T22:12:17.304Z",
"group": "Burst",
"search": "AllSky",
"area_50": 156.10861800927705,
"area_90": 618.5594165206301,
"duration": 0.028481,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "19a952027480651a82fd16e009bb60c9",
"classification": {},
"skymap_version": 0,
"central_frequency": 1012.708618
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-13T22:18:09Z",
"superevent_id": "S231113cd",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-13T22:18:11.244363Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-13T22:18:11.244401Z",
"modified": "2023-11-13T22:18:11.250085Z"
}
},
{
"id": 7238,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164402,
"topic": "igwn.gwalert",
"uuid": "478ebc25-a114-487a-8309-2a1551d5587a",
"title": "S250107n - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250107n/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250107n/view/"
},
"event": {
"far": 3.76888e-06,
"time": "2025-01-07T22:55:46.756Z",
"group": "Burst",
"search": "AllSky",
"area_50": 997.9201441560775,
"area_90": 4261.093836737095,
"duration": 0.031422,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "e5543680a7cd6b7c4f6c2babb246f4ac",
"classification": {},
"skymap_version": 0,
"central_frequency": 73.791908
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-07T23:03:22Z",
"superevent_id": "S250107n",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-07T23:03:22.397507Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-07T23:03:22.397523Z",
"modified": "2025-01-07T23:03:22.405149Z"
}
},
{
"id": 2948,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4654,
"topic": "igwn.gwalert",
"uuid": "6929cdd1-722c-4710-91ef-d871fa72c070",
"title": "S231113ce - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231113ce/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231113ce/view/"
},
"event": {
"far": 7.256393473653588e-06,
"time": "2023-11-13T23:30:52.549Z",
"group": "CBC",
"search": "AllSky",
"area_50": 4184.718115022879,
"area_90": 19622.685425037085,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.11622348729723324,
"HasMassGap": 0.28887254174958343,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "79f8f7c195f6d8906e3d336c92447a10",
"classification": {
"BBH": 0.12333329775622442,
"BNS": 0.0,
"NSBH": 0.0029931367335209874,
"Terrestrial": 0.8736735655102545
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-13T23:35:53Z",
"superevent_id": "S231113ce",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-13T23:35:55.866656Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-13T23:35:55.866680Z",
"modified": "2023-11-13T23:35:55.872918Z"
}
},
{
"id": 9256,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 445820,
"topic": "igwn.gwalert",
"uuid": "1844c110-c91b-49b5-942c-d0057f042aa7",
"title": "S250718m - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250718m/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250718m/view/"
},
"event": {
"far": 2.58194482259438e-06,
"time": "2025-07-18T01:34:58.773Z",
"group": "CBC",
"search": "AllSky",
"area_50": 530.2237603621547,
"area_90": 4086.520758533172,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.026793399836878097,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "6a40127bdaea86eb3a84e4c4dafd1213",
"classification": {
"BBH": 0.4170669962141562,
"BNS": 2.017123582325735e-14,
"NSBH": 1.4380334985596583e-12,
"Terrestrial": 0.5829330037843856
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-07-18T01:35:23Z",
"superevent_id": "S250718m",
"external_coinc": null
},
"message_text": "",
"published": "2025-07-18T02:56:34.169185Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-07-18T02:56:34.169204Z",
"modified": "2025-07-18T02:56:34.174498Z"
}
},
{
"id": 2950,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4656,
"topic": "igwn.gwalert",
"uuid": "a4f334fc-31fc-448d-8d82-f3a136224d03",
"title": "S231113cf - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231113cf/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231113cf/view/"
},
"event": {
"far": 1.269e-05,
"time": "2023-11-13T23:53:31.591Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1324.4053721432215,
"area_90": 5640.053295819042,
"duration": 0.087092,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "d80a82d31b0b8a9bbcab802c08fd8d04",
"classification": {},
"skymap_version": 0,
"central_frequency": 46.107922
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-14T00:00:46Z",
"superevent_id": "S231113cf",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-14T00:00:47.452550Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-14T00:00:47.452585Z",
"modified": "2023-11-14T00:00:47.458481Z"
}
},
{
"id": 7240,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164449,
"topic": "igwn.gwalert",
"uuid": "7311ba7e-328f-4f51-8957-79fb28ffe25a",
"title": "S250108x - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250108x/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250108x/view/"
},
"event": {
"far": 1.371457619825378e-05,
"time": "2025-01-08T02:19:01.731Z",
"group": "CBC",
"search": "AllSky",
"area_50": 9.11092593766341,
"area_90": 62.579832421057645,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.022579365079365078,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "8ddbb1dfc423b268614b30c968f93ea0",
"classification": {
"BBH": 0.0,
"BNS": 0.0008419542535336215,
"NSBH": 0.00013970697218275516,
"Terrestrial": 0.9990183387742836
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-08T02:24:05Z",
"superevent_id": "S250108x",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-08T02:24:06.904805Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-08T02:24:06.904831Z",
"modified": "2025-01-08T02:24:06.911663Z"
}
},
{
"id": 2952,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4659,
"topic": "igwn.gwalert",
"uuid": "494360de-7bfa-4fb6-9bfb-e680c293ea6b",
"title": "S231114e - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231114e/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231114e/view/"
},
"event": {
"far": 3.07214e-06,
"time": "2023-11-14T01:44:53.859Z",
"group": "Burst",
"search": "BBH",
"area_50": 1060.027873901704,
"area_90": 3317.7277795197433,
"duration": 0.016638,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "cd004af9bedbea2c0554a1a8c878e9e0",
"classification": {},
"skymap_version": 0,
"central_frequency": 51.995426
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-14T01:50:30Z",
"superevent_id": "S231114e",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-14T01:50:32.407050Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-14T01:50:32.407075Z",
"modified": "2023-11-14T01:50:32.416182Z"
}
},
{
"id": 9257,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 445901,
"topic": "igwn.gwalert",
"uuid": "69a7ce3c-e0d1-48a4-850c-4f84b3ed5371",
"title": "S250718q - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250718q/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250718q/view/"
},
"event": {
"far": 6.739e-06,
"time": "2025-07-18T01:51:35.377Z",
"group": "Burst",
"search": "AllSky",
"area_50": 295.4313631143308,
"area_90": 1453.6565935057413,
"duration": 0.00926,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "4c743c05cd40ccbd1dcb153f4a0460ac",
"classification": {},
"skymap_version": 0,
"central_frequency": 275.085846
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-07-18T01:57:21Z",
"superevent_id": "S250718q",
"external_coinc": null
},
"message_text": "",
"published": "2025-07-18T02:56:35.040875Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-07-18T02:56:35.040889Z",
"modified": "2025-07-18T02:56:35.046599Z"
}
},
{
"id": 2954,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4663,
"topic": "igwn.gwalert",
"uuid": "8d19ee11-2be2-46ce-bd48-252e571fb13d",
"title": "S231114i - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231114i/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231114i/view/"
},
"event": {
"far": 2.0653e-05,
"time": "2023-11-14T03:12:34.152Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1655.9263620016325,
"area_90": 6005.985325131111,
"duration": 0.008588,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "acf03998ddfecb5c681d6be656b47189",
"classification": {},
"skymap_version": 0,
"central_frequency": 562.915955
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-14T03:18:42Z",
"superevent_id": "S231114i",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-14T03:18:43.096061Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-14T03:18:43.096135Z",
"modified": "2023-11-14T03:18:43.101907Z"
}
},
{
"id": 7242,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164460,
"topic": "igwn.gwalert",
"uuid": "d493db20-577e-478d-8fc0-3cc7c1ce0456",
"title": "S250108ag - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250108ag/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250108ag/view/"
},
"event": {
"far": 1.101932e-06,
"time": "2025-01-08T03:00:37.916Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1300.905150077309,
"area_90": 5003.029419103766,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.03717122594931925,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "7da15adda27b2da903d6760ee2ff995f",
"classification": {
"BBH": 0.55617811,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.44382189
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-08T03:05:44Z",
"superevent_id": "S250108ag",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-08T03:05:45.537616Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-08T03:05:45.537633Z",
"modified": "2025-01-08T03:05:45.547942Z"
}
},
{
"id": 2956,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4666,
"topic": "igwn.gwalert",
"uuid": "434c9f1b-9800-43b5-9889-3caf0b4daa84",
"title": "S231114n - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231114n/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S231114n/view/"
},
"event": {
"far": 3.167545842243851e-10,
"time": "2023-11-14T04:32:11.255Z",
"group": "CBC",
"search": "AllSky",
"area_50": 402.75603799570877,
"area_90": 1507.3713867992558,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.009523809523809523,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "f8c72a5901f761bf82af6deb71753a48",
"classification": {
"BBH": 0.9998468328715363,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.00015316712846369374
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-14T04:37:17Z",
"superevent_id": "S231114n",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-14T04:37:18.650342Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-14T04:37:18.650381Z",
"modified": "2023-11-14T04:37:18.656153Z"
}
},
{
"id": 10722,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5783909,
"topic": "igwn.gwalert",
"uuid": "4a301a62-9365-44bf-9cab-b2bfc6f335ca",
"title": "S251002bm - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S251002bm/view/"
},
"event": {
"far": 8.134864552432873e-06,
"time": "2025-10-02T09:16:55.345Z",
"group": "Burst",
"search": "AllSky",
"area_50": 4836.849277351955,
"area_90": 19556.3812270654,
"duration": 0.46875,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "088a4998d791a4e86205bbf01ce74280",
"classification": {},
"skymap_version": 0,
"central_frequency": 88.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-10-02T09:22:11Z",
"superevent_id": "S251002bm",
"external_coinc": null
},
"message_text": "",
"published": "2025-10-02T09:22:12.500062Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-10-02T09:22:12.500078Z",
"modified": "2025-10-02T09:22:12.510209Z"
}
},
{
"id": 2959,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4670,
"topic": "igwn.gwalert",
"uuid": "6be90941-36e0-45f3-aefd-714234fb8d52",
"title": "S231114u - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231114u/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231114u/view/"
},
"event": {
"far": 1.0964e-05,
"time": "2023-11-14T05:34:32.543Z",
"group": "Burst",
"search": "AllSky",
"area_50": 527.0764091926128,
"area_90": 2101.5912876087623,
"duration": 0.007198,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f16c08a9d389b9929ab3fe3de8d135bd",
"classification": {},
"skymap_version": 0,
"central_frequency": 157.434723
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-14T05:40:44Z",
"superevent_id": "S231114u",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-14T05:40:45.204290Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-14T05:40:45.204314Z",
"modified": "2023-11-14T05:40:45.245742Z"
}
},
{
"id": 7244,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164464,
"topic": "igwn.gwalert",
"uuid": "0fe4527a-5e1c-4f46-bfbb-2fcc6968b37c",
"title": "S250108ah - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250108ah/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250108ah/view/"
},
"event": {
"far": 1.1801e-05,
"time": "2025-01-08T03:05:16.915Z",
"group": "CBC",
"search": "AllSky",
"area_50": 346.5758196193863,
"area_90": 1288.1059219878384,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.9407879275469763,
"HasMassGap": 0.43125017768806584,
"HasRemnant": 0.43461002234521245
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "0178f43a70d04421b03284b49e159ee8",
"classification": {
"BBH": 0.0,
"BNS": 0.000279086,
"NSBH": 0.00075198,
"Terrestrial": 0.998968934
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-08T03:10:24Z",
"superevent_id": "S250108ah",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-08T03:10:25.296529Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-08T03:10:25.296546Z",
"modified": "2025-01-08T03:10:25.303268Z"
}
},
{
"id": 2961,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4672,
"topic": "igwn.gwalert",
"uuid": "353eae0c-9b62-448c-a11d-b7d7e12ed17e",
"title": "S231114y - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231114y/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231114y/view/"
},
"event": {
"far": 2.15916e-05,
"time": "2023-11-14T06:14:02.273Z",
"group": "Burst",
"search": "BBH",
"area_50": 1378.1201654367364,
"area_90": 4311.451455449764,
"duration": 0.005441,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "687d69da381bc68ac28c90431d4d45f6",
"classification": {},
"skymap_version": 0,
"central_frequency": 96.066185
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-14T06:22:29Z",
"superevent_id": "S231114y",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-14T06:22:29.935013Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-14T06:22:29.935045Z",
"modified": "2023-11-14T06:22:29.940990Z"
}
},
{
"id": 10256,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5775811,
"topic": "igwn.gwalert",
"uuid": "4d878e6d-baf3-4398-856b-cf084c4910ac",
"title": "S250905av - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250905av/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250905av/view/"
},
"event": {
"far": 1.926574e-05,
"time": "2025-09-05T06:58:23.998Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1349.5841814995567,
"area_90": 4329.91591564441,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.2842311465874353,
"HasMassGap": 0.08305835075171458,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "f6058b94ad2dc0ac90c64d2f72c6722b",
"classification": {
"BBH": 0.03490411681703765,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9650958831829624
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-05T07:03:40Z",
"superevent_id": "S250905av",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-05T07:03:41.715274Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-05T07:03:41.715296Z",
"modified": "2025-09-05T07:03:41.726054Z"
}
},
{
"id": 2963,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4674,
"topic": "igwn.gwalert",
"uuid": "812b22e6-ad20-4bcf-8998-ca988c2771ce",
"title": "S231114aq - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231114aq/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231114aq/view/"
},
"event": {
"far": 5.578677701123524e-06,
"time": "2023-11-14T11:45:39.792Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2885.071905413387,
"area_90": 8312.364262171399,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.03685997596364903,
"HasMassGap": 0.2880689070596021,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c48ad8667009d607ff628813baab7bb3",
"classification": {
"BBH": 0.24941594607394174,
"BNS": 0.0,
"NSBH": 0.00013115810405870906,
"Terrestrial": 0.7504528958219996
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-14T11:50:38Z",
"superevent_id": "S231114aq",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-14T11:50:39.795083Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-14T11:50:39.795119Z",
"modified": "2023-11-14T11:50:39.800910Z"
}
},
{
"id": 7246,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164475,
"topic": "igwn.gwalert",
"uuid": "e7f2b99e-d91b-4f1f-9f50-0fcb7d5212ac",
"title": "S250108ar - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250108ar/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250108ar/view/"
},
"event": {
"far": 1.669279e-05,
"time": "2025-01-08T03:55:03.078Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1732.9315539497572,
"area_90": 6591.812289488506,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.08201506999398184,
"HasMassGap": 0.018157865123382366,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9f92a655543251f25edf4f700311e6c6",
"classification": {
"BBH": 0.0421947,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9578053
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-08T04:00:09Z",
"superevent_id": "S250108ar",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-08T04:00:10.126731Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-08T04:00:10.126748Z",
"modified": "2025-01-08T04:00:10.130868Z"
}
},
{
"id": 2967,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4726,
"topic": "igwn.gwalert",
"uuid": "bba94aa9-2f04-4f19-89a7-a00384f0cc53",
"title": "S231117o - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231117o/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231117o/view/"
},
"event": {
"far": 7.294916221779121e-06,
"time": "2023-11-17T05:54:12.778Z",
"group": "CBC",
"search": "AllSky",
"area_50": 512.5985938127203,
"area_90": 2201.467231388891,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.019895021645021646,
"HasRemnant": 0.20510984565212861
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "647e4319cbadb5f89dbd045b3a86b13c",
"classification": {
"BBH": 0.0014107482698154238,
"BNS": 0.0,
"NSBH": 0.005770185299095894,
"Terrestrial": 0.9928190664310886
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-17T05:59:14Z",
"superevent_id": "S231117o",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-17T05:59:15.454585Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-17T05:59:15.454611Z",
"modified": "2023-11-17T05:59:15.461452Z"
}
},
{
"id": 2969,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4729,
"topic": "igwn.gwalert",
"uuid": "5c1c8192-f5d8-4696-9192-0c3fa50e2b58",
"title": "S231117y - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231117y/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231117y/view/"
},
"event": {
"far": 1.883264380506082e-05,
"time": "2023-11-17T07:48:59.899Z",
"group": "CBC",
"search": "AllSky",
"area_50": 736.4801736727991,
"area_90": 3017.260654534145,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.06057712657712659,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "fa06a73f6284865a2c2be764c0274c60",
"classification": {
"BBH": 0.0,
"BNS": 0.0001442509933759237,
"NSBH": 0.0012406538763943317,
"Terrestrial": 0.9986150951302297
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-17T07:54:36Z",
"superevent_id": "S231117y",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-17T07:54:37.782914Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-17T07:54:37.782936Z",
"modified": "2023-11-17T07:54:37.789197Z"
}
},
{
"id": 7248,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164535,
"topic": "igwn.gwalert",
"uuid": "ff881181-f32d-47c7-9f78-1255afda488c",
"title": "S250108bo - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250108bo/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250108bo/view/"
},
"event": {
"far": 2.07921e-06,
"time": "2025-01-08T08:07:39.859Z",
"group": "CBC",
"search": "BBH",
"area_50": 738.578407785827,
"area_90": 2482.6306025346316,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "1ef4944c81ed29b798f82e0ae8e6a158",
"classification": {
"BBH": 0.014887032459192762,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9851129675408072
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-08T08:13:35Z",
"superevent_id": "S250108bo",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-08T08:13:35.537549Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-08T08:13:35.537564Z",
"modified": "2025-01-08T08:13:35.542611Z"
}
},
{
"id": 2971,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4735,
"topic": "igwn.gwalert",
"uuid": "e9d25c31-9861-4581-8fd5-4910c8b5807d",
"title": "S231117ad - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231117ad/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S231117ad/view/"
},
"event": {
"far": 1.056675518445879e-05,
"time": "2023-11-17T12:34:29.910Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1064.8538123616684,
"area_90": 4953.511094036307,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "8e2d7a430e86433434546127a18744d3",
"classification": {
"BBH": 0.14939826728967945,
"BNS": 7.852844221866722e-21,
"NSBH": 6.606680488404902e-19,
"Terrestrial": 0.8506017327103206
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-17T12:39:31Z",
"superevent_id": "S231117ad",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-17T12:39:32.725567Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-17T12:39:32.726164Z",
"modified": "2023-11-17T12:39:32.733687Z"
}
},
{
"id": 9262,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 447491,
"topic": "igwn.gwalert",
"uuid": "2363bd06-3adb-4172-bb59-4c4b68a08296",
"title": "S250718ak - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250718ak/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250718ak/view/"
},
"event": {
"far": 8.92619e-06,
"time": "2025-07-18T06:41:34.995Z",
"group": "Burst",
"search": "AllSky",
"area_50": 198.9125939150466,
"area_90": 1076.8137468059272,
"duration": 0.003251,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "ddac9c0de437c44f74100d37a52e32cf",
"classification": {},
"skymap_version": 0,
"central_frequency": 383.050293
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-07-18T06:48:17Z",
"superevent_id": "S250718ak",
"external_coinc": null
},
"message_text": "",
"published": "2025-07-18T08:16:48.490565Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-07-18T08:16:48.490597Z",
"modified": "2025-07-18T08:16:48.495744Z"
}
},
{
"id": 2973,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4741,
"topic": "igwn.gwalert",
"uuid": "0e83a75c-5d83-491a-842c-07f64f7dd6bf",
"title": "S231117ao - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231117ao/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231117ao/view/"
},
"event": {
"far": 8.087378044417e-06,
"time": "2023-11-17T14:22:18.262Z",
"group": "CBC",
"search": "AllSky",
"area_50": 421.06313063187736,
"area_90": 1759.9987740078168,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.46361023470554363,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "17f6d87883bbc3932498852045e471dc",
"classification": {
"BBH": 0.0,
"BNS": 0.006336885727779173,
"NSBH": 0.0,
"Terrestrial": 0.9936631142722209
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-17T14:27:21Z",
"superevent_id": "S231117ao",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-17T14:27:22.667254Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-17T14:27:22.667281Z",
"modified": "2023-11-17T14:27:22.674301Z"
}
},
{
"id": 7250,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164546,
"topic": "igwn.gwalert",
"uuid": "7386d66c-ff4c-481d-b961-87a65f48e1d7",
"title": "S250108by - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250108by/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250108by/view/"
},
"event": {
"far": 1.6407e-05,
"time": "2025-01-08T08:46:42.570Z",
"group": "Burst",
"search": "AllSky",
"area_50": 238.56921865127416,
"area_90": 903.0799622472157,
"duration": 0.073747,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "cf60c1d8c316fecd24ed2c6ae80a66e1",
"classification": {},
"skymap_version": 0,
"central_frequency": 900.862
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-08T08:58:11Z",
"superevent_id": "S250108by",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-08T08:58:11.728158Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-08T08:58:11.728173Z",
"modified": "2025-01-08T08:58:11.736651Z"
}
},
{
"id": 2975,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4748,
"topic": "igwn.gwalert",
"uuid": "fe693288-45d1-4932-8cd8-a1fdcee01379",
"title": "S231117ax - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231117ax/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231117ax/view/"
},
"event": {
"far": 3.051613664417726e-06,
"time": "2023-11-17T16:54:32.070Z",
"group": "CBC",
"search": "AllSky",
"area_50": 619.1888867545384,
"area_90": 2360.9330239790124,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.7781447252480036,
"HasMassGap": 0.5593528712966849,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "e2f9113c19b876ac4c552854669449d7",
"classification": {
"BBH": 0.08080572763376942,
"BNS": 0.0,
"NSBH": 0.07002168788718678,
"Terrestrial": 0.8491725844790439
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-17T16:59:36Z",
"superevent_id": "S231117ax",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-17T16:59:37.894791Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-17T16:59:37.894818Z",
"modified": "2023-11-17T16:59:37.901733Z"
}
},
{
"id": 9263,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 447492,
"topic": "igwn.gwalert",
"uuid": "02b7397f-2758-4edb-82a3-d1d9da648fdc",
"title": "S250718am - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250718am/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250718am/view/"
},
"event": {
"far": 1.63741e-05,
"time": "2025-07-18T06:47:31.260Z",
"group": "Burst",
"search": "AllSky",
"area_50": 360.8962674408018,
"area_90": 1301.7444437225201,
"duration": 0.009938,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "33498cd1f2b398eb56dd5a801f418cd4",
"classification": {},
"skymap_version": 0,
"central_frequency": 164.036667
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-07-18T06:53:20Z",
"superevent_id": "S250718am",
"external_coinc": null
},
"message_text": "",
"published": "2025-07-18T08:16:48.536716Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-07-18T08:16:48.536748Z",
"modified": "2025-07-18T08:16:48.541970Z"
}
},
{
"id": 2977,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4750,
"topic": "igwn.gwalert",
"uuid": "793546cf-d849-46e0-b4b2-64b8c227f165",
"title": "S231117ba - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231117ba/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231117ba/view/"
},
"event": {
"far": 2.935998241175825e-06,
"time": "2023-11-17T17:42:48.846Z",
"group": "CBC",
"search": "AllSky",
"area_50": 468.9553242617395,
"area_90": 1826.3029719794993,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.4898069915929869,
"HasMassGap": 0.7846371162159336,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "ed5080aaaec2d58d4a26389c64c7a744",
"classification": {
"BBH": 0.0025032417464716105,
"BNS": 0.0,
"NSBH": 0.014456436774759782,
"Terrestrial": 0.9830403214787686
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-17T17:47:53Z",
"superevent_id": "S231117ba",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-17T17:47:55.107107Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-17T17:47:55.107130Z",
"modified": "2023-11-17T17:47:55.114274Z"
}
},
{
"id": 7252,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164651,
"topic": "igwn.gwalert",
"uuid": "9d94284f-05f7-439a-9cdd-eaa8146c18ca",
"title": "S250108dn - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250108dn/view/"
},
"event": {
"far": 1.575777363194722e-05,
"time": "2025-01-08T13:17:02.186Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7349.69445111419,
"area_90": 22806.96551496825,
"duration": 0.15625,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "1fec2183acd40c7f5fff34cfa4d50c6a",
"classification": {},
"skymap_version": 0,
"central_frequency": 258.36602144919317
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-08T13:22:19Z",
"superevent_id": "S250108dn",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-08T13:22:20.327850Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-08T13:22:20.327866Z",
"modified": "2025-01-08T13:22:20.335699Z"
}
},
{
"id": 2979,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4755,
"topic": "igwn.gwalert",
"uuid": "a769a96d-619a-42d5-85ad-8f632c297707",
"title": "S231118b - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231118b/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231118b/view/"
},
"event": {
"far": 2.142135053873062e-05,
"time": "2023-11-18T00:12:23.521Z",
"group": "CBC",
"search": "AllSky",
"area_50": 4280.397590576951,
"area_90": 17819.8826751235,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.9291415045362413,
"HasRemnant": 0.022676792069953797
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "8738c09b6b1b2e4ebfe03baa7df1ae01",
"classification": {
"BBH": 0.0,
"BNS": 0.0009517891328009101,
"NSBH": 0.0008775614335934126,
"Terrestrial": 0.9981706494336057
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-18T00:17:22Z",
"superevent_id": "S231118b",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-18T00:17:23.779801Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-18T00:17:23.779827Z",
"modified": "2023-11-18T00:17:23.787117Z"
}
},
{
"id": 10947,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5787123,
"topic": "igwn.gwalert",
"uuid": "babceab5-113b-401b-be6c-ba8470375f11",
"title": "S251013w - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S251013w/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S251013w/view/"
},
"event": {
"far": 1.931682902052894e-05,
"time": "2025-10-13T02:37:19.348Z",
"group": "CBC",
"search": "AllSky",
"area_50": 427.14800955965836,
"area_90": 1605.778566700265,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0515402097902098,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "8f3fb88a2321e5de6e5d7e0d87090d63",
"classification": {
"BBH": 0.06783954208668985,
"BNS": 1.4674790658721321e-16,
"NSBH": 9.805251949206656e-15,
"Terrestrial": 0.9321604579133002
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-10-13T02:42:15Z",
"superevent_id": "S251013w",
"external_coinc": null
},
"message_text": "",
"published": "2025-10-13T02:42:16.856555Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-10-13T02:42:16.856575Z",
"modified": "2025-10-13T02:42:16.868717Z"
}
},
{
"id": 2981,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4757,
"topic": "igwn.gwalert",
"uuid": "91bbce6f-f1b7-4fd9-abe7-54c3ab8fe456",
"title": "S231118d - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231118d/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S231118d/view/"
},
"event": {
"far": 3.167545842243851e-10,
"time": "2023-11-18T00:56:26.845Z",
"group": "CBC",
"search": "AllSky",
"area_50": 317.0431744785183,
"area_90": 1062.5457548373374,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "2aa020f04e13ff5656ea869928bf3811",
"classification": {
"BBH": 0.9998122327777423,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.00018776722225766207
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-18T01:01:30Z",
"superevent_id": "S231118d",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-18T01:01:31.507065Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-18T01:01:31.507091Z",
"modified": "2023-11-18T01:01:31.513468Z"
}
},
{
"id": 7254,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164663,
"topic": "igwn.gwalert",
"uuid": "4799b9e9-6273-4fb5-a4c5-a01ee2638ef9",
"title": "S250108dv - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250108dv/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250108dv/view/"
},
"event": {
"far": 7.92766e-06,
"time": "2025-01-08T13:56:49.652Z",
"group": "CBC",
"search": "BBH",
"area_50": 4353.416137710323,
"area_90": 12350.205989282324,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.04264138160689884,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "df2121c9f628e0729091b5e0df4082df",
"classification": {
"BBH": 0.005008343321475706,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9949916566785243
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-08T14:03:13Z",
"superevent_id": "S250108dv",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-08T14:03:14.441370Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-08T14:03:14.441385Z",
"modified": "2025-01-08T14:03:14.454118Z"
}
},
{
"id": 9265,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 447707,
"topic": "igwn.gwalert",
"uuid": "0aaf4f6e-d993-4541-a48c-f1501c3514ab",
"title": "S250718aq - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250718aq/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250718aq/view/"
},
"event": {
"far": 1.533771066950083e-05,
"time": "2025-07-18T08:38:53.403Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1616.2697372654047,
"area_90": 10337.579828065944,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.031675543923355386,
"HasRemnant": 0.0
},
"instruments": [
"L1",
"V1"
],
"significant": false,
"skymap_hash": "e370a499b2588b4b287f681492965fe0",
"classification": {
"BBH": 0.07818535843588195,
"BNS": 2.3910552118628368e-17,
"NSBH": 1.6113363833367384e-15,
"Terrestrial": 0.9218146415641164
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-07-18T08:43:52Z",
"superevent_id": "S250718aq",
"external_coinc": null
},
"message_text": "",
"published": "2025-07-18T08:43:53.387706Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-07-18T08:43:53.387728Z",
"modified": "2025-07-18T08:43:53.450673Z"
}
},
{
"id": 2985,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4761,
"topic": "igwn.gwalert",
"uuid": "a5051f2e-756f-43ed-b640-768a78441a32",
"title": "S231118g - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231118g/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231118g/view/"
},
"event": {
"far": 1.836042065406218e-05,
"time": "2023-11-18T01:27:51.305Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1154.2385855766574,
"area_90": 6415.560623994161,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "7d75d93037068f3915b84ac944b11cae",
"classification": {
"BBH": 0.0,
"BNS": 0.0025555342119878343,
"NSBH": 1.8424118931842776e-05,
"Terrestrial": 0.9974260416690803
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-18T01:32:51Z",
"superevent_id": "S231118g",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-18T01:32:53.354872Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-18T01:32:53.354898Z",
"modified": "2023-11-18T01:32:53.361301Z"
}
},
{
"id": 2986,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4762,
"topic": "igwn.gwalert",
"uuid": "f81308af-ca3b-4fc9-bc19-dd9595bf2b9c",
"title": "S231118h - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231118h/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231118h/view/"
},
"event": {
"far": 7.422287126246374e-06,
"time": "2023-11-18T01:31:15.461Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1361.12446912121,
"area_90": 18216.029275663168,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9a41f4513fd56fba7aaffaeb424adbc4",
"classification": {
"BBH": 0.0,
"BNS": 0.008621945820864655,
"NSBH": 0.0011871230633001462,
"Terrestrial": 0.9901909311158352
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-18T01:36:19Z",
"superevent_id": "S231118h",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-18T01:36:20.658720Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-18T01:36:20.658764Z",
"modified": "2023-11-18T01:36:20.665468Z"
}
},
{
"id": 7256,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164683,
"topic": "igwn.gwalert",
"uuid": "eb21aba0-c40a-4251-8530-14fba8e78068",
"title": "S250108eo - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250108eo/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250108eo/view/"
},
"event": {
"far": 1.762833780453119e-11,
"time": "2025-01-08T15:22:21.704Z",
"group": "CBC",
"search": "AllSky",
"area_50": 260.8629561021959,
"area_90": 938.120471934782,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": true,
"skymap_hash": "d04432dd9f84bcb19cf1f3328997f968",
"classification": {
"BBH": 0.9999741817449024,
"BNS": 2.4398665548334785e-28,
"NSBH": 5.407035243125513e-26,
"Terrestrial": 2.581825509762048e-05
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-08T15:27:32Z",
"superevent_id": "S250108eo",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-08T15:27:33.710383Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-08T15:27:33.710398Z",
"modified": "2025-01-08T15:27:33.719682Z"
}
},
{
"id": 2988,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4767,
"topic": "igwn.gwalert",
"uuid": "c92e335f-e744-41ee-8c01-16720efc899c",
"title": "S231118i - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231118i/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231118i/view/"
},
"event": {
"far": 2.277228850289248e-05,
"time": "2023-11-18T02:15:36.761Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2297.146706942964,
"area_90": 7946.43223285933,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.06265615103850397,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "55e1a868bd98660048ad6c4d1e58e1d4",
"classification": {
"BBH": 0.018288993738541412,
"BNS": 0.0,
"NSBH": 0.0012953098682300685,
"Terrestrial": 0.9804156963932286
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-18T02:20:51Z",
"superevent_id": "S231118i",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-18T02:20:52.795405Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-18T02:20:52.795434Z",
"modified": "2023-11-18T02:20:52.801931Z"
}
},
{
"id": 10259,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5775849,
"topic": "igwn.gwalert",
"uuid": "2f93ef30-9c03-4159-adbc-d3724f26967e",
"title": "S250905bf - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250905bf/view/"
},
"event": {
"far": 1.378215489977928e-05,
"time": "2025-09-05T09:52:21.869Z",
"group": "Burst",
"search": "AllSky",
"area_50": 7413.480768150239,
"area_90": 22947.966847363725,
"duration": 0.25,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "dc2d8a608e37d1409235577899fff98b",
"classification": {},
"skymap_version": 0,
"central_frequency": 112.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-05T09:57:59Z",
"superevent_id": "S250905bf",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-05T09:58:00.375700Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-05T09:58:00.375720Z",
"modified": "2025-09-05T09:58:00.384920Z"
}
},
{
"id": 2990,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4771,
"topic": "igwn.gwalert",
"uuid": "b86246a0-ca00-4cb5-a6a6-748c96603eb5",
"title": "S231118y - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231118y/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231118y/view/"
},
"event": {
"far": 1.5514e-05,
"time": "2023-11-18T06:39:44.121Z",
"group": "Burst",
"search": "BBH",
"area_50": 560.6481550010595,
"area_90": 1820.4279164630211,
"duration": 0.004558,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "53f5bdfc4e33dcacaac1eea53f1011e5",
"classification": {},
"skymap_version": 0,
"central_frequency": 228.707275
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-18T06:47:47Z",
"superevent_id": "S231118y",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-18T06:47:48.087322Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-18T06:47:48.087358Z",
"modified": "2023-11-18T06:47:48.094538Z"
}
},
{
"id": 7258,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164687,
"topic": "igwn.gwalert",
"uuid": "d863bfab-4479-4f6a-aa84-76d57faa332d",
"title": "S250108et - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250108et/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250108et/view/"
},
"event": {
"far": 7.83213e-06,
"time": "2025-01-08T15:40:23.290Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1486.389045668977,
"area_90": 5101.226775593473,
"duration": 0.059672,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "adb72f249278878bc7608c63e8d23dfb",
"classification": {},
"skymap_version": 0,
"central_frequency": 60.830433
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-08T15:47:05Z",
"superevent_id": "S250108et",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-08T15:47:05.473181Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-08T15:47:05.473197Z",
"modified": "2025-01-08T15:47:05.487088Z"
}
},
{
"id": 2992,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4773,
"topic": "igwn.gwalert",
"uuid": "9a1d3dfe-041b-41f8-87ca-2fa204bd1b8c",
"title": "S231118ab - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231118ab/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231118ab/view/"
},
"event": {
"far": 1.895272561114325e-08,
"time": "2023-11-18T07:14:02.239Z",
"group": "CBC",
"search": "AllSky",
"area_50": 890.700380980351,
"area_90": 3196.869494609335,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "5cf7fd7e087ce06f073aca370285475e",
"classification": {
"BBH": 0.9852830995082732,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.014716900491726803
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-18T07:19:14Z",
"superevent_id": "S231118ab",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-18T07:19:15.492663Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-18T07:19:15.492709Z",
"modified": "2023-11-18T07:19:15.507888Z"
}
},
{
"id": 9267,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 447871,
"topic": "igwn.gwalert",
"uuid": "f874767d-7cc7-44ca-9d5a-92660c833b94",
"title": "S250718as - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250718as/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250718as/view/"
},
"event": {
"far": 1.767244209811699e-05,
"time": "2025-07-18T09:15:35.139Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1103.6711434526846,
"area_90": 3867.465117133057,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.015682288725766987,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "2dcbdedf2ea5b4924650f9e241ee9a7b",
"classification": {
"BBH": 0.06489927956594707,
"BNS": 3.6636642806206585e-15,
"NSBH": 2.576244621761338e-13,
"Terrestrial": 0.9351007204337917
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-07-18T09:20:46Z",
"superevent_id": "S250718as",
"external_coinc": null
},
"message_text": "",
"published": "2025-07-18T09:20:46.573193Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-07-18T09:20:46.573212Z",
"modified": "2025-07-18T09:20:46.580217Z"
}
},
{
"id": 2996,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4778,
"topic": "igwn.gwalert",
"uuid": "ba3965cc-e5b0-41ea-927b-d77d3a0aa4e4",
"title": "S231118an - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231118an/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231118an/view/"
},
"event": {
"far": 7.476315744270323e-08,
"time": "2023-11-18T09:06:02.009Z",
"group": "CBC",
"search": "AllSky",
"area_50": 287.4580734848247,
"area_90": 1048.0679394574447,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.022614244218809542,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "f2fa522d19cb1bb5114a77d047f73aa8",
"classification": {
"BBH": 0.7428260157247952,
"BNS": 0.0,
"NSBH": 0.014868754552434806,
"Terrestrial": 0.2423052297227699
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-18T09:11:16Z",
"superevent_id": "S231118an",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-18T09:11:17.233962Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-18T09:11:17.233985Z",
"modified": "2023-11-18T09:11:17.240520Z"
}
},
{
"id": 2997,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4779,
"topic": "igwn.gwalert",
"uuid": "de73532d-8b0f-438f-af9c-a60435c33465",
"title": "S231118ao - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231118ao/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231118ao/view/"
},
"event": {
"far": 2.05355e-05,
"time": "2023-11-18T09:05:53.574Z",
"group": "Burst",
"search": "AllSky",
"area_50": 883.7762084073589,
"area_90": 3243.0306450959492,
"duration": 0.009129,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "cd58eb13dbfb1fa06d2bea8aa41b91e6",
"classification": {},
"skymap_version": 0,
"central_frequency": 771.932617
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-18T09:12:14Z",
"superevent_id": "S231118ao",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-18T09:12:15.344115Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-18T09:12:15.344140Z",
"modified": "2023-11-18T09:12:15.350963Z"
}
},
{
"id": 7261,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164718,
"topic": "igwn.gwalert",
"uuid": "f5b20841-0978-47b6-a185-9ebbe7506947",
"title": "S250108fw - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250108fw/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250108fw/view/"
},
"event": {
"far": 1.78419e-05,
"time": "2025-01-08T18:05:33.121Z",
"group": "CBC",
"search": "BBH",
"area_50": 929.0980652487617,
"area_90": 2971.0995040475314,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0943237318237318,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "7528023aef4be4ca84753e188c083122",
"classification": {
"BBH": 0.001390739602215918,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9986092603977841
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-08T18:11:20Z",
"superevent_id": "S250108fw",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-08T18:11:20.873133Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-08T18:11:20.873148Z",
"modified": "2025-01-08T18:11:20.877134Z"
}
},
{
"id": 3000,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4790,
"topic": "igwn.gwalert",
"uuid": "dc3baeb3-ca46-48f4-a51a-352794528ff9",
"title": "S231118at - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231118at/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231118at/view/"
},
"event": {
"far": 1.29847039715969e-05,
"time": "2023-11-18T18:36:38.068Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1508.6303272670725,
"area_90": 5691.2502081769235,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.5806587007999525,
"HasRemnant": 0.0002491109046304523
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "97aa7b79c5e62f2f11bb0e1bed9c7f2c",
"classification": {
"BBH": 0.0,
"BNS": 0.0018674426886676567,
"NSBH": 0.0008404855110586001,
"Terrestrial": 0.9972920718002738
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-18T18:41:39Z",
"superevent_id": "S231118at",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-18T18:41:40.355239Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-18T18:41:40.355265Z",
"modified": "2023-11-18T18:41:40.361911Z"
}
},
{
"id": 19,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 92,
"topic": "igwn.gwalert",
"uuid": "5e4a8d46-451a-4879-807f-113241007314",
"title": "S230527ch - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230527ch/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230527ch/view/"
},
"event": {
"far": 2.53734e-06,
"time": "2023-05-27T18:10:28.684Z",
"group": "Burst",
"search": "AllSky",
"duration": 0.050814,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "1e20793bf8fa5f0e0dafaa4e580d081c",
"classification": {},
"skymap_version": 0,
"central_frequency": 1074.69812
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-05-27T18:18:14Z",
"superevent_id": "S230527ch",
"external_coinc": null
},
"message_text": "",
"published": "2023-05-27T18:18:15.356740Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-05-27T18:18:15.356786Z",
"modified": "2023-05-27T18:18:15.365812Z"
}
},
{
"id": 3002,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4794,
"topic": "igwn.gwalert",
"uuid": "0dcd1147-340e-421d-9519-34bf7665ee28",
"title": "S231118au - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231118au/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231118au/view/"
},
"event": {
"far": 7.85245e-07,
"time": "2023-11-18T18:51:10.455Z",
"group": "Burst",
"search": "AllSky",
"area_50": 2197.270763162835,
"area_90": 7677.018972746545,
"duration": 0.056484,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c99ecf841959703461da76cee0052569",
"classification": {},
"skymap_version": 0,
"central_frequency": 1302.374878
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-18T18:58:31Z",
"superevent_id": "S231118au",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-18T18:58:32.249294Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-18T18:58:32.249321Z",
"modified": "2023-11-18T18:58:32.255709Z"
}
},
{
"id": 7263,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164736,
"topic": "igwn.gwalert",
"uuid": "da9e80af-c037-486c-93be-2cc59d17e6ee",
"title": "S250108gk - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250108gk/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250108gk/view/"
},
"event": {
"far": 1.56523e-05,
"time": "2025-01-08T19:20:30.891Z",
"group": "Burst",
"search": "AllSky",
"area_50": 321.449466115877,
"area_90": 1068.4208103538156,
"duration": 0.006409,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "aa286137a2945ac032516bf9849938dc",
"classification": {},
"skymap_version": 0,
"central_frequency": 181.019012
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-08T19:27:17Z",
"superevent_id": "S250108gk",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-08T19:27:18.371265Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-08T19:27:18.371281Z",
"modified": "2025-01-08T19:27:18.380969Z"
}
},
{
"id": 3004,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4809,
"topic": "igwn.gwalert",
"uuid": "ffae4704-6a5d-4ee3-9107-3ebbfd22f24d",
"title": "S231119p - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231119p/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231119p/view/"
},
"event": {
"far": 1.42877e-05,
"time": "2023-11-19T06:52:38.236Z",
"group": "Burst",
"search": "AllSky",
"area_50": 710.0424238486473,
"area_90": 2493.541419922377,
"duration": 0.040265,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "37a1dde4cf32f928c0e717b9411e6cd6",
"classification": {},
"skymap_version": 0,
"central_frequency": 933.476257
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-19T06:58:54Z",
"superevent_id": "S231119p",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-19T06:58:55.126356Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-19T06:58:55.126384Z",
"modified": "2023-11-19T06:58:55.132456Z"
}
},
{
"id": 9269,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 449012,
"topic": "igwn.gwalert",
"uuid": "a4b24467-b894-4d37-866a-1622711d5a5e",
"title": "S250718bc - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250718bc/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250718bc/view/"
},
"event": {
"far": 1.374293880893851e-05,
"time": "2025-07-18T13:29:09.184Z",
"group": "CBC",
"search": "AllSky",
"area_50": 569.0410914531712,
"area_90": 2104.1091685443953,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.005275362318840579,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "7fa62f185b168f00ae557ab8ca1af84d",
"classification": {
"BBH": 0.08995276085742367,
"BNS": 1.1816999564022603e-14,
"NSBH": 7.665812441121974e-13,
"Terrestrial": 0.910047239141798
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-07-18T13:34:17Z",
"superevent_id": "S250718bc",
"external_coinc": null
},
"message_text": "",
"published": "2025-07-18T13:34:17.936890Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-07-18T13:34:17.936910Z",
"modified": "2025-07-18T13:34:17.949818Z"
}
},
{
"id": 3006,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4812,
"topic": "igwn.gwalert",
"uuid": "8e1f24bd-f284-4645-b7e0-1f88135c1f6e",
"title": "S231119u - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231119u/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231119u/view/"
},
"event": {
"far": 7.430704090957761e-08,
"time": "2023-11-19T07:52:48.095Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1172.912869182606,
"area_90": 4239.272201961605,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.04264138160689884,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "7f2437654488a9dc721db4e1afe1004f",
"classification": {
"BBH": 0.9545699889350315,
"BNS": 7.647783061717952e-16,
"NSBH": 5.912595268594236e-14,
"Terrestrial": 0.045430011064908515
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-19T07:57:59Z",
"superevent_id": "S231119u",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-19T07:58:00.608632Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-19T07:58:00.608672Z",
"modified": "2023-11-19T07:58:00.615962Z"
}
},
{
"id": 7265,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164765,
"topic": "igwn.gwalert",
"uuid": "10599b6e-cb52-439b-8cb4-dab3735b4ef9",
"title": "S250108ha - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250108ha/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250108ha/view/",
"combined_skymap": "https://gracedb.ligo.org/api/superevents/S250108ha/files/combined-ext.multiorder.fits,1"
},
"event": {
"far": 0.0001311975315036507,
"time": "2025-01-08T20:30:29.319Z",
"group": "CBC",
"search": "AllSky",
"area_50": 160.0428069712044,
"area_90": 1020.5810725767789,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.360126003272921,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": true,
"skymap_hash": "7c423a8a339f5fd90bd7bb2c256ffe58",
"classification": {
"BBH": 0.0,
"BNS": 0.00022349872248329602,
"NSBH": 7.1335185248588e-05,
"Terrestrial": 0.9997051660922681
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-08T20:37:08Z",
"superevent_id": "S250108ha",
"external_coinc": {
"ivorn": "ivo://nasa.gsfc.gcn/Fermi#GBM_Flt_Pos_2025-01-08T20:30:33.28_758061038_131-434",
"search": "GRB",
"area_50": 57.28179128566215,
"area_90": 511.1298299336006,
"observatory": "Fermi",
"gcn_notice_id": 758061038,
"time_difference": -3.96,
"combined_skymap_hash": "ae588e2c813d3a84a734e80ea2a058cd",
"time_coincidence_far": 7.61325097195842e-09,
"combined_skymap_version": 1,
"time_sky_position_coincidence_far": 5.831638640890032e-10
}
},
"message_text": "",
"published": "2025-01-08T20:37:09.950417Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-08T20:37:09.950434Z",
"modified": "2025-01-08T20:37:09.964068Z"
}
},
{
"id": 3009,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4816,
"topic": "igwn.gwalert",
"uuid": "9ac73667-af74-4bce-8cf7-c4c5dda5a198",
"title": "S231119ab - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231119ab/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231119ab/view/"
},
"event": {
"far": 3.90908e-07,
"time": "2023-11-19T09:38:50.368Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1740.6950201679606,
"area_90": 7065.173905387604,
"duration": 0.039446,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "a32e5f57a5c7c81f5a69458ccccc6492",
"classification": {},
"skymap_version": 0,
"central_frequency": 1301.379395
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-19T09:45:57Z",
"superevent_id": "S231119ab",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-19T09:45:59.191212Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-19T09:45:59.191237Z",
"modified": "2023-11-19T09:45:59.197230Z"
}
},
{
"id": 3011,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4820,
"topic": "igwn.gwalert",
"uuid": "95bdb0d5-1cb9-4d95-89e8-59a99cb30598",
"title": "S231119ao - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231119ao/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231119ao/view/"
},
"event": {
"far": 2.25395e-05,
"time": "2023-11-19T13:29:54.660Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1201.02920629718,
"area_90": 4819.22411080252,
"duration": 0.022769,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "80473a9173db7e53ad331fa65898ce4f",
"classification": {},
"skymap_version": 0,
"central_frequency": 1552.636963
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-19T13:35:53Z",
"superevent_id": "S231119ao",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-19T13:35:55.193171Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-19T13:35:55.193217Z",
"modified": "2023-11-19T13:35:55.199781Z"
}
},
{
"id": 10724,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5783920,
"topic": "igwn.gwalert",
"uuid": "6c0d906d-9447-4c81-8620-cd3c1fa0a587",
"title": "S251002bp - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S251002bp/view/"
},
"event": {
"far": 1.0753863901706379e-05,
"time": "2025-10-02T09:43:02.790Z",
"group": "Burst",
"search": "AllSky",
"area_50": 6586.7765276172395,
"area_90": 22542.58801672673,
"duration": 0.09375,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "d4f74ed1bad130db2c06fa4681e51572",
"classification": {},
"skymap_version": 0,
"central_frequency": 88.0
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-10-02T09:48:19Z",
"superevent_id": "S251002bp",
"external_coinc": null
},
"message_text": "",
"published": "2025-10-02T09:48:20.230858Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-10-02T09:48:20.230875Z",
"modified": "2025-10-02T09:48:20.237159Z"
}
},
{
"id": 3013,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4822,
"topic": "igwn.gwalert",
"uuid": "afbaf991-dc7e-4674-9f74-86436654211a",
"title": "S231119as - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231119as/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231119as/view/"
},
"event": {
"far": 1.811677844471371e-05,
"time": "2023-11-19T13:38:38.540Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1227.6767795326346,
"area_90": 3987.484108398254,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.000689655172413793,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "e39b5e38e7475087171697bf9f6114e9",
"classification": {
"BBH": 9.938533638244451e-05,
"BNS": 0.0,
"NSBH": 0.0015615425746631035,
"Terrestrial": 0.9983390720889544
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-19T13:43:44Z",
"superevent_id": "S231119as",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-19T13:43:45.223929Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-19T13:43:45.223953Z",
"modified": "2023-11-19T13:43:45.231592Z"
}
},
{
"id": 7268,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164834,
"topic": "igwn.gwalert",
"uuid": "43a86422-f247-437a-be72-7f95f77b713c",
"title": "S250109f - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250109f/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250109f/view/"
},
"event": {
"far": 2.920882643162018e-12,
"time": "2025-01-09T01:05:41.482Z",
"group": "CBC",
"search": "AllSky",
"area_50": 133.23786617727276,
"area_90": 613.523654649363,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": true,
"skymap_hash": "2ca253780091010a7863c110bf187303",
"classification": {
"BBH": 0.9999956395419481,
"BNS": 3.6362247142768256e-32,
"NSBH": 3.085862400543365e-30,
"Terrestrial": 4.360458051855254e-06
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-09T01:10:45Z",
"superevent_id": "S250109f",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-09T01:10:46.114512Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-09T01:10:46.114530Z",
"modified": "2025-01-09T01:10:46.122376Z"
}
},
{
"id": 3015,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4832,
"topic": "igwn.gwalert",
"uuid": "63a835cc-2413-4400-b53d-458047f1a8fa",
"title": "S231120d - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231120d/files/cwb.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S231120d/view/"
},
"event": {
"far": 1.46607e-05,
"time": "2023-11-20T02:12:48.664Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1058.3492866112815,
"area_90": 5019.81529200799,
"duration": 0.005025,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f6b6e2c0ac50bfd1bcb9ca5d15221a22",
"classification": {},
"skymap_version": 1,
"central_frequency": 296.245331
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-20T02:20:08Z",
"superevent_id": "S231120d",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-20T02:20:09.623706Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-20T02:20:09.623729Z",
"modified": "2023-11-20T02:20:09.629939Z"
}
},
{
"id": 3017,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4834,
"topic": "igwn.gwalert",
"uuid": "4e8e67ca-6be5-472b-aced-df58f8809a1d",
"title": "S231120e - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231120e/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231120e/view/"
},
"event": {
"far": 1.355409131065244e-05,
"time": "2023-11-20T02:21:03.026Z",
"group": "CBC",
"search": "AllSky",
"area_50": 777.3957388768434,
"area_90": 3144.8332886062426,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 5.639177064557387e-05,
"HasMassGap": 0.18324523909541224,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "41a8f734717576b86cf644de685d5d0a",
"classification": {
"BBH": 0.05157627485422233,
"BNS": 0.0,
"NSBH": 0.00032802954154448967,
"Terrestrial": 0.9480956956042332
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-20T02:26:12Z",
"superevent_id": "S231120e",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-20T02:26:14.279901Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-20T02:26:14.279924Z",
"modified": "2023-11-20T02:26:14.286210Z"
}
},
{
"id": 9271,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 449480,
"topic": "igwn.gwalert",
"uuid": "38afeef4-0e43-480a-ad0b-225bfc0abfc9",
"title": "S250718br - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250718br/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250718br/view/"
},
"event": {
"far": 1.603495199764708e-05,
"time": "2025-07-18T15:13:33.329Z",
"group": "CBC",
"search": "AllSky",
"area_50": 373.9053189415749,
"area_90": 1506.1124463314393,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.41102874401790723,
"HasMassGap": 0.576341902239587,
"HasRemnant": 0.00021579952991869172
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c24c8a19c7c1a40d4cf62e650a9334ac",
"classification": {
"BBH": 0.07024102191125713,
"BNS": 8.016178651448325e-18,
"NSBH": 0.0001965464559613474,
"Terrestrial": 0.9295624316327815
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-07-18T15:18:31Z",
"superevent_id": "S250718br",
"external_coinc": null
},
"message_text": "",
"published": "2025-07-18T15:18:32.819357Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-07-18T15:18:32.819377Z",
"modified": "2025-07-18T15:18:32.824647Z"
}
},
{
"id": 3019,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4837,
"topic": "igwn.gwalert",
"uuid": "2a484750-4f85-46ff-b2d3-af9764954332",
"title": "S231120h - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231120h/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231120h/view/"
},
"event": {
"far": 9.09945538296597e-06,
"time": "2023-11-20T03:13:16.196Z",
"group": "CBC",
"search": "AllSky",
"area_50": 617.0906526415105,
"area_90": 2546.416919570681,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "ec639208db4c7f97567630de4c677a89",
"classification": {
"BBH": 0.0,
"BNS": 0.004277163282431914,
"NSBH": 0.0,
"Terrestrial": 0.9957228367175681
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-20T03:18:16Z",
"superevent_id": "S231120h",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-20T03:18:18.426564Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-20T03:18:18.426592Z",
"modified": "2023-11-20T03:18:18.433147Z"
}
},
{
"id": 7271,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164862,
"topic": "igwn.gwalert",
"uuid": "292d27c4-1e4f-41cd-bf60-c2d7533fbd89",
"title": "S250109t - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250109t/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250109t/view/"
},
"event": {
"far": 1.08132e-05,
"time": "2025-01-09T03:11:35.809Z",
"group": "Burst",
"search": "AllSky",
"area_50": 337.3960453748892,
"area_90": 1250.5475313646389,
"duration": 0.009224,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "906cb2b8af2eceeabb6d50115653f06b",
"classification": {},
"skymap_version": 0,
"central_frequency": 694.305481
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-09T03:20:11Z",
"superevent_id": "S250109t",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-09T03:20:12.288115Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-09T03:20:12.288132Z",
"modified": "2025-01-09T03:20:12.291321Z"
}
},
{
"id": 3021,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4840,
"topic": "igwn.gwalert",
"uuid": "6cd6161e-9b20-44c5-8fb8-f1682904f223",
"title": "S231120l - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231120l/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231120l/view/"
},
"event": {
"far": 2.313511028097717e-05,
"time": "2023-11-20T03:40:46.512Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1844.9772555854477,
"area_90": 6853.6719067943895,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.04264138160689884,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "60928782a01ef33094ae69efede4fd57",
"classification": {
"BBH": 0.07397780529741993,
"BNS": 3.6211848610949345e-14,
"NSBH": 2.7242084776526463e-12,
"Terrestrial": 0.9260221946998196
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-20T03:46:20Z",
"superevent_id": "S231120l",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-20T03:46:22.127274Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-20T03:46:22.127297Z",
"modified": "2023-11-20T03:46:22.133821Z"
}
},
{
"id": 11059,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5794417,
"topic": "igwn.gwalert",
"uuid": "2938bec0-0883-4d03-bf7b-fd1bf39d77f2",
"title": "S251110cw - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S251110cw/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S251110cw/view/"
},
"event": {
"far": 1.961792744283756e-05,
"time": "2025-11-10T22:53:54.554Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1020.3712491654762,
"area_90": 3701.284975381246,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.024571177614655878,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "0b337cb19ad4b3b578ccfb959464a312",
"classification": {
"BBH": 0.05685373366544972,
"BNS": 2.805996814516272e-14,
"NSBH": 1.950240468526416e-12,
"Terrestrial": 0.943146266332572
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-11-10T22:58:53Z",
"superevent_id": "S251110cw",
"external_coinc": null
},
"message_text": "",
"published": "2025-11-10T22:58:54.815891Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-11-10T22:58:54.815920Z",
"modified": "2025-11-10T22:58:54.820684Z"
}
},
{
"id": 3023,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4842,
"topic": "igwn.gwalert",
"uuid": "3a5d618c-2604-423e-b597-a2a913e774f4",
"title": "S231120y - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231120y/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231120y/view/"
},
"event": {
"far": 1.58856e-05,
"time": "2023-11-20T05:45:39.051Z",
"group": "Burst",
"search": "AllSky",
"area_50": 501.89759983627783,
"area_90": 2132.6451524815757,
"duration": 0.026271,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "bae9053c7931970537fbbb8a54e09b41",
"classification": {},
"skymap_version": 0,
"central_frequency": 277.479614
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-20T05:51:26Z",
"superevent_id": "S231120y",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-20T05:51:26.866424Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-20T05:51:26.866447Z",
"modified": "2023-11-20T05:51:26.872516Z"
}
},
{
"id": 7273,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164884,
"topic": "igwn.gwalert",
"uuid": "770eae2c-7e1c-4b69-85c0-4ea678809ad3",
"title": "S250109al - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250109al/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S250109al/view/"
},
"event": {
"far": 7.07312e-06,
"time": "2025-01-09T05:00:55.398Z",
"group": "CBC",
"search": "BBH",
"area_50": 1801.124162623164,
"area_90": 5578.784859718627,
"duration": null,
"pipeline": "CWB",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "61068f292ed7feb6612e332912b4f3cf",
"classification": {
"BBH": 0.004654636678846136,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9953453633211539
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-09T05:06:34Z",
"superevent_id": "S250109al",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-09T05:06:35.366977Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-09T05:06:35.366995Z",
"modified": "2025-01-09T05:06:35.374841Z"
}
},
{
"id": 3025,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4844,
"topic": "igwn.gwalert",
"uuid": "1df33421-c45d-438f-88b0-ec6e9eab21fa",
"title": "S231120ab - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231120ab/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231120ab/view/"
},
"event": {
"far": 1.37142e-06,
"time": "2023-11-20T08:29:38.277Z",
"group": "Burst",
"search": "BBH",
"area_50": 2845.2054572658562,
"area_90": 8620.385029963898,
"duration": 0.012049,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "0802d2404c6f652e1f7298f5de18f596",
"classification": {},
"skymap_version": 0,
"central_frequency": 46.05521
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-20T08:35:24Z",
"superevent_id": "S231120ab",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-20T08:35:25.135791Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-20T08:35:25.135814Z",
"modified": "2023-11-20T08:35:25.142591Z"
}
},
{
"id": 9273,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 466228,
"topic": "igwn.gwalert",
"uuid": "d6c410d8-4ef6-43e4-9f60-b89f727bbb21",
"title": "S250718cf - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250718cf/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250718cf/view/"
},
"event": {
"far": 9.206308e-06,
"time": "2025-07-18T16:48:08.574Z",
"group": "CBC",
"search": "AllSky",
"area_50": 402.54621458440596,
"area_90": 1530.6617854538656,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.47483746412774286,
"HasRemnant": 7.17811909607825e-05
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "966644c453a1e8947e1b6a5d35ee636f",
"classification": {
"BBH": 0.0,
"BNS": 4.416606194304529e-06,
"NSBH": 0.0012945852156599688,
"Terrestrial": 0.9987009981781457
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-07-18T16:53:09Z",
"superevent_id": "S250718cf",
"external_coinc": null
},
"message_text": "",
"published": "2025-07-18T16:53:10.301113Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-07-18T16:53:10.301129Z",
"modified": "2025-07-18T16:53:10.307600Z"
}
},
{
"id": 3027,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4846,
"topic": "igwn.gwalert",
"uuid": "ee2d28a4-d29b-4223-a766-d6913cb9ca62",
"title": "S231120ac - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231120ac/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231120ac/view/"
},
"event": {
"far": 6.0239e-06,
"time": "2023-11-20T08:56:14.684Z",
"group": "Burst",
"search": "BBH",
"area_50": 1365.5307607585687,
"area_90": 4335.790971160888,
"duration": 0.041993,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "4d668135d54554cec3f5565069a3c2ac",
"classification": {},
"skymap_version": 0,
"central_frequency": 26.028685
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-20T09:01:46Z",
"superevent_id": "S231120ac",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-20T09:01:47.734635Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-20T09:01:47.734658Z",
"modified": "2023-11-20T09:01:47.740892Z"
}
},
{
"id": 7275,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164893,
"topic": "igwn.gwalert",
"uuid": "411827c1-df39-418b-a737-7e3f815adbe5",
"title": "S250109aw - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"gracedb": "https://gracedb.ligo.org/superevents/S250109aw/view/"
},
"event": {
"far": 1.5911266683191173e-05,
"time": "2025-01-09T05:56:28.409Z",
"group": "Burst",
"search": "AllSky",
"area_50": 6648.044963717655,
"area_90": 22677.71429360573,
"duration": 0.125,
"pipeline": "MLy",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "446ca535e8c0fbca2bd23d384115cf6c",
"classification": {},
"skymap_version": 0,
"central_frequency": 102.02815489056887
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-09T06:01:48Z",
"superevent_id": "S250109aw",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-09T06:01:48.606221Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-09T06:01:48.606237Z",
"modified": "2025-01-09T06:01:48.613905Z"
}
},
{
"id": 3029,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4848,
"topic": "igwn.gwalert",
"uuid": "cdcf044f-a849-4c1c-ae9c-42db2fdbfebe",
"title": "S231120ak - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231120ak/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231120ak/view/"
},
"event": {
"far": 1.75001e-05,
"time": "2023-11-20T10:28:39.260Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1013.8667234150895,
"area_90": 3676.945459670123,
"duration": 0.022189,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "aa23116accf680809f28c1f00c3177df",
"classification": {},
"skymap_version": 0,
"central_frequency": 650.064392
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-20T10:34:38Z",
"superevent_id": "S231120ak",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-20T10:34:38.964587Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-20T10:34:38.964611Z",
"modified": "2023-11-20T10:34:38.971255Z"
}
},
{
"id": 10263,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 5775992,
"topic": "igwn.gwalert",
"uuid": "a8a232cf-d536-47a2-97c1-7dca6fcb891e",
"title": "S250906c - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250906c/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250906c/view/"
},
"event": {
"far": 1.896518e-05,
"time": "2025-09-06T00:38:17.057Z",
"group": "CBC",
"search": "AllSky",
"area_50": 343.69074771397294,
"area_90": 1174.591456473028,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.9572302823632747,
"HasRemnant": 0.8465281010776768
},
"instruments": [
"H1",
"L1",
"V1"
],
"significant": false,
"skymap_hash": "898cd6a21144d1adf140a4aae0598d1d",
"classification": {
"BBH": 0.0,
"BNS": 0.0006098083620532682,
"NSBH": 0.00019686345162683627,
"Terrestrial": 0.9991933281863199
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-09-06T00:43:55Z",
"superevent_id": "S250906c",
"external_coinc": null
},
"message_text": "",
"published": "2025-09-06T00:43:56.120317Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-09-06T00:43:56.120339Z",
"modified": "2025-09-06T00:43:56.128445Z"
}
},
{
"id": 3031,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4850,
"topic": "igwn.gwalert",
"uuid": "049f48c8-eeb8-407e-bb27-ab1555a640ad",
"title": "S231120ao - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231120ao/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231120ao/view/"
},
"event": {
"far": 2.097105400315964e-05,
"time": "2023-11-20T11:09:27.409Z",
"group": "CBC",
"search": "AllSky",
"area_50": 366.98114636858276,
"area_90": 1360.7048222986043,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.022175925925925925,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "e3878056c9c5319250303b9fbee19e41",
"classification": {
"BBH": 0.0,
"BNS": 0.0007777552542959795,
"NSBH": 0.0005891787560277066,
"Terrestrial": 0.9986330659896763
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-20T11:14:33Z",
"superevent_id": "S231120ao",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-20T11:14:34.169169Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-20T11:14:34.169196Z",
"modified": "2023-11-20T11:14:34.175623Z"
}
},
{
"id": 7277,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 164928,
"topic": "igwn.gwalert",
"uuid": "d4716af0-49d1-4977-9031-1f682b9c2b43",
"title": "S250109bi - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S250109bi/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S250109bi/view/"
},
"event": {
"far": 2.049659486690119e-08,
"time": "2025-01-09T07:45:52.379Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1613.3322095071658,
"area_90": 8839.44067136401,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 2.3391812865497078e-05,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"V1"
],
"significant": true,
"skymap_hash": "61568e405c44a9ec590363291bc15860",
"classification": {
"BBH": 0.9846096843763246,
"BNS": 5.485380349453711e-26,
"NSBH": 3.938649335808059e-24,
"Terrestrial": 0.015390315623675432
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2025-01-09T07:51:00Z",
"superevent_id": "S250109bi",
"external_coinc": null
},
"message_text": "",
"published": "2025-01-09T07:51:01.973019Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2025-01-09T07:51:01.973039Z",
"modified": "2025-01-09T07:51:01.982857Z"
}
},
{
"id": 3037,
"sequence_number": 2,
"sequence_type": "PRELIMINARY",
"message": {
"id": 4870,
"topic": "igwn.gwalert",
"uuid": "447e7131-ec1e-4a5b-bca6-18bb30656123",
"title": "S231120aw - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231120aw/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S231120aw/view/"
},
"event": {
"far": 9.767581e-06,
"time": "2023-11-20T22:00:47.804Z",
"group": "CBC",
"search": "AllSky",
"area_50": 349.61825908327677,
"area_90": 1660.7523004615962,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "85dae524b935c1ee174fe1e937633fd5",
"classification": {
"BBH": 0.0,
"BNS": 0.001249741,
"NSBH": 2.237e-06,
"Terrestrial": 0.998748022
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-11-20T22:05:54Z",
"superevent_id": "S231120aw",
"external_coinc": null
},
"message_text": "",
"published": "2023-11-20T22:05:56.376746Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-11-20T22:05:56.376769Z",
"modified": "2023-11-20T22:05:56.383178Z"
}
}
]
}