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{
"count": 257459,
"next": "https://hermes.lco.global/api/v0/messages/?format=api&limit=100&offset=1000&ordering=retracted",
"previous": "https://hermes.lco.global/api/v0/messages/?format=api&limit=100&offset=800&ordering=retracted",
"results": [
{
"id": 3216,
"topic": "hermes.message",
"uuid": "00ec530b-5f86-4c48-a7d6-2b3d084f3a43",
"title": "INTEGRAL follow-up of S230920p",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230920p at 2023-09-20T03:05:16.000\n\n\nSPI-ACS excesses:\nat T0+-38.79 FAP = 0.028\nat T0+-68.47 FAP = 0.072\nat T0+97.16 FAP = 0.429\nat T0+35.68 FAP = 0.649\nat T0+-27.12 FAP = 0.664\nat T0+32.08 FAP = 0.673\nat T0+204.38 FAP = 0.684\nat T0+-82.82 FAP = 0.916\n\n\n\n\nnext break in data in 45 hr: 2023-09-22T00:06:29, for about 9 hr",
"published": "2023-09-21T16:31:29.178803Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-21T16:31:29.178823Z",
"modified": "2023-09-21T16:31:29.185149Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 3217,
"topic": "hermes.message",
"uuid": "544b3296-795a-415f-a347-269face45b0d",
"title": "INTEGRAL follow-up of S230920bc",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230920bc at 2023-09-20T11:45:15.000\n\n\nSPI-ACS excesses:\nat T0+-3.14 FAP = 0.174\nat T0+-66.07 FAP = 0.177\nat T0+-5.77 FAP = 0.331\nat T0+-124.69 FAP = 0.526\nat T0+97.18 FAP = 0.728\nat T0+12.56 FAP = 0.798\n\n\n\n\nnext break in data in 36 hr: 2023-09-22T00:06:29, for about 9 hr",
"published": "2023-09-21T16:34:07.365467Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-21T16:34:07.365488Z",
"modified": "2023-09-21T16:34:07.372236Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 732,
"topic": "igwn.gwalert",
"uuid": "8a6de530-10f7-41a3-9155-01fc45256b6d",
"title": "S230629h - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230629h/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230629h/view/"
},
"event": {
"far": 1.315919697159812e-05,
"time": "2023-06-29T01:10:26.725Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1031.4918899645243,
"area_90": 4629.5437469847975,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.04264138160689884,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "49a0621b8f680aea5fd1833ace61488d",
"classification": {
"BBH": 0.14305538544403273,
"BNS": 1.598449170456301e-16,
"NSBH": 1.2336760930515084e-14,
"Terrestrial": 0.8569446145559547
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-06-29T01:10:52Z",
"superevent_id": "S230629h",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-29T01:10:54.114194Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-29T01:10:54.114219Z",
"modified": "2023-06-29T01:10:54.119322Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 733,
"topic": "igwn.gwalert",
"uuid": "d232c76c-a92b-4a83-add2-630fcfe0eb5e",
"title": "S230629h - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230629h/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230629h/view/"
},
"event": {
"far": 1.315919697159812e-05,
"time": "2023-06-29T01:10:26.725Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1031.4918899645243,
"area_90": 4629.5437469847975,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.04264138160689884,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "49a0621b8f680aea5fd1833ace61488d",
"classification": {
"BBH": 0.14305538544403273,
"BNS": 1.598449170456301e-16,
"NSBH": 1.2336760930515084e-14,
"Terrestrial": 0.8569446145559547
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-06-29T01:15:27Z",
"superevent_id": "S230629h",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-29T01:15:27.795204Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-29T01:15:27.795245Z",
"modified": "2023-06-29T01:15:27.800874Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 734,
"topic": "gcn.circular",
"uuid": "4f12c6c9-ae7d-41f4-8a1c-eb14002b7fb4",
"title": "Fermi GRB 230628D: Global MASTER-Net observations report",
"submitter": "Hop gcn.circular",
"authors": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>",
"data": {
"date": "23/06/29 02:00:34 GMT",
"from": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>",
"title": "GCN CIRCULAR",
"number": "34114",
"subject": "Fermi GRB 230628D: Global MASTER-Net observations report"
},
"message_text": "V. Lipunov, V.Kornilov, E.Gorbovskoy, K.Zhirkov, N.Tyurina, P.Balanutsa, A.Kuznetsov, D. Vlasenko,\nG.Antipov, D.Zimnukhov, V.Senik, E.Minkina, A.Chasovnikov, V.Topolev, D.Kuvshinov, D.Cheryasov, Ya.Kechin\n(Lomonosov Moscow State University, SAI, Physics Department),\n\nR. Podesta, C.Lopez, F. Podesta, C.Francile\n(Observatorio Astronomico Felix Aguilar OAFA),\n\nR. Rebolo, M. Serra\n(The Instituto de Astrofisica de Canarias),\n\nD. Buckley\n(South African Astronomical Observatory),\n\nO.A. Gres, N.M. Budnev\n(Irkutsk State University, API),\n\nL.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez, A.R.Corella, L.H.Rodriguez\n(INAOE, Guillermo Haro Astrophysics Observatory),\n\nA. Tlatov, D. Dormidontov\n(Kislovodsk Solar Station of the Pulkovo Observatory),\n\nA. Gabovich, V.Yurkov\n(Blagoveschensk Educational State University)\n\n\nMASTER-OAFA robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Argentina (OAFA observatory of San Juan National University) started inspect of the Fermi GRB 230628D ( Fermi GBM team, GCN 34108) errorbox 15347 sec after notice time and 15383 sec after trigger time at 2023-06-29 00:38:54 UT, with upper limit up to 19.0 mag. The observations began at zenith distance = 60 deg. The sun altitude is -36.9 deg.\n\nThe galactic latitude b = 68 deg., longitude l = 253 deg.\n\n\nReal time updated cover map and OT discovered available here:\nhttps://master.sai.msu.ru/site/master2/observ.php?id\"30025\n\nWe obtain a following upper limits.\n\nTmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____________________|____________________________________|_____|_______|_______|________\n\n 15473 | 2023-06-29 00:38:54 | MASTER-OAFA | (11h 38m 17.90s , +12d 57m 37.4s) | C | 180 | 18.3 |\n 15653 | 2023-06-29 00:38:54 | MASTER-OAFA | (11h 38m 17.90s , +12d 57m 37.4s) | C | 540 | 19.0 | Coadd\n 15685 | 2023-06-29 00:42:26 | MASTER-OAFA | (11h 38m 23.91s , +12d 56m 35.9s) | C | 180 | 18.2 |\n 16524 | 2023-06-29 00:56:25 | MASTER-OAFA | (11h 38m 20.58s , +12d 55m 38.5s) | C | 180 | 18.1 |\n 18504 | 2023-06-29 01:29:25 | MASTER-OAFA | (11h 42m 15.16s , +13d 09m 29.7s) | C | 180 | 17.8 |\n 18684 | 2023-06-29 01:29:25 | MASTER-OAFA | (11h 42m 15.16s , +13d 09m 29.7s) | C | 540 | 18.5 | Coadd\n 18716 | 2023-06-29 01:32:57 | MASTER-OAFA | (11h 42m 15.00s , +13d 08m 03.9s) | C | 180 | 17.8 |\n 18927 | 2023-06-29 01:36:28 | MASTER-OAFA | (11h 42m 16.98s , +13d 09m 21.5s) | C | 180 | 17.9 |\n 19137 | 2023-06-29 01:39:58 | MASTER-OAFA | (11h 42m 12.15s , +13d 08m 40.0s) | C | 180 | 17.6 |\n 19581 | 2023-06-29 01:47:22 | MASTER-OAFA | (11h 38m 17.87s , +11d 38m 32.8s) | C | 180 | 17.6 |\n 19792 | 2023-06-29 01:50:54 | MASTER-OAFA | (11h 38m 12.10s , +11d 37m 29.1s) | C | 180 | 17.9 |\nFilter C is a clear (unfiltred) band.\n\n\nThe observation and reduction will continue.\nThe message may be cited.\n\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjg4MDA0MDM5LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.6sbKJGjU6OYofR2GwYUhUD8uJ8ZtqSdXl61YIRvt3zc\n\n",
"published": "2023-06-29T02:00:45.015602Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-06-29T02:00:45.015621Z",
"modified": "2023-06-29T02:00:45.021330Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 735,
"topic": "gcn.circular",
"uuid": "bdefb45c-5cbd-4172-8918-3c6efa828029",
"title": "GRB 230628A: Enhanced Swift-XRT position",
"submitter": "Hop gcn.circular",
"authors": "Phil Evans at U of Leicester <pae9@star.le.ac.uk>",
"data": {
"date": "23/06/29 04:09:47 GMT",
"from": "Phil Evans at U of Leicester <pae9@star.le.ac.uk>",
"title": "GCN CIRCULAR",
"number": "34115",
"subject": "GRB 230628A: Enhanced Swift-XRT position"
},
"message_text": "A.P. Beardmore, P.A. Evans, M.R. Goad and J.P. Osborne (U. Leicester)\nreport on behalf of the Swift-XRT team.\n\nUsing 3999 s of XRT Photon Counting mode data and 9 UVOT\nimages for GRB 230628A, we find an astrometrically corrected X-ray\nposition (using the XRT-UVOT alignment and matching UVOT field sources\nto the USNO-B1 catalogue): RA, Dec = 171.84876, -11.46370 which is equivalent\nto:\n\nRA (J2000): 11h 27m 23.70s\nDec (J2000): -11d 27' 49.3\"\n\nwith an uncertainty of 2.1 arcsec (radius, 90% confidence).\n\nThis position may be improved as more data are received. The latest\nposition can be viewed at http://www.swift.ac.uk/xrt_positions. Position\nenhancement is described by Goad et al. (2007, A&A, 476, 1401) and Evans\net al. (2009, MNRAS, 397, 1177).\n\nThis circular was automatically generated, and is an official product of the\nSwift-XRT team.\n\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjg4MDExNzkzLCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.L90eJpkxpBz88tnCwTS_SqliQg4SBjVDkI6S7kO1OpI\n\n",
"published": "2023-06-29T04:09:59.199902Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-06-29T04:09:59.199922Z",
"modified": "2023-06-29T04:09:59.204737Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1359,
"topic": "igwn.gwalert",
"uuid": "f0f4f575-395e-4694-992b-b5efca0686f2",
"title": "S230719an - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230719an/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230719an/view/"
},
"event": {
"far": 1.92321e-05,
"time": "2023-07-19T12:52:06.080Z",
"group": "Burst",
"search": "AllSky",
"area_50": 2007.5903993451113,
"area_90": 5978.498458250446,
"duration": 0.043877,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "5108bf6a82edc517d5b1409d5de0c50b",
"classification": {},
"skymap_version": 0,
"central_frequency": 31.019081
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-19T12:58:40Z",
"superevent_id": "S230719an",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-19T12:58:41.869006Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-19T12:58:41.869027Z",
"modified": "2023-07-19T12:58:41.874051Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1360,
"topic": "hermes.message",
"uuid": "63c17165-a77a-4bed-94a9-fdc953d5f634",
"title": "INTEGRAL follow-up of S230719an",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230719an at 2023-07-19T12:52:06.000\n\n\nSPI-ACS excesses:\nat T0+15.33 FAP = 0.032\nat T0+3.0 FAP = 0.123\nat T0+-21.72 FAP = 0.138\nat T0+-34.2 FAP = 0.282\nat T0+-6.35 FAP = 0.301\nat T0+-53.65 FAP = 0.425\nat T0+-29.07 FAP = 0.464\nat T0+-288.6 FAP = 0.647\nat T0+-15.55 FAP = 0.912\n\n\n\n\nnext break in data in 15 hr: 2023-07-20T03:48:12, for 10 hr",
"published": "2023-07-19T13:06:31.933628Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-07-19T13:06:31.933646Z",
"modified": "2023-07-19T13:06:31.938639Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2643,
"topic": "igwn.gwalert",
"uuid": "4f4b37b4-f09d-4485-a096-db2b949804de",
"title": "S230901be - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230901be/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230901be/view/"
},
"event": {
"far": 2.25582e-05,
"time": "2023-09-01T16:09:26.934Z",
"group": "Burst",
"search": "BBH",
"area_50": 2312.253992556765,
"area_90": 7007.262643868033,
"duration": 0.008224,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "b97d6cf6c5002c6065a4ed16616bf3dd",
"classification": {},
"skymap_version": 0,
"central_frequency": 61.418507
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-09-01T16:10:53Z",
"superevent_id": "S230901be",
"external_coinc": null
},
"message_text": "",
"published": "2023-09-01T16:10:54.083975Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-09-01T16:10:54.083997Z",
"modified": "2023-09-01T16:10:54.103013Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1622,
"topic": "igwn.gwalert",
"uuid": "09125e7b-d638-41a9-8603-79d7b032fd13",
"title": "S230729t - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729t/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729t/view/"
},
"event": {
"far": 3.18993e-06,
"time": "2023-07-29T06:54:38.466Z",
"group": "Burst",
"search": "AllSky",
"area_50": 2259.588316319764,
"area_90": 8074.0048669314265,
"duration": 0.018608,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "636928ccaf44366a8d481f99a9bd0b97",
"classification": {},
"skymap_version": 0,
"central_frequency": 30.696079
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-29T07:01:00Z",
"superevent_id": "S230729t",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T07:01:01.493535Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T07:01:01.493557Z",
"modified": "2023-07-29T07:01:01.497430Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9052,
"topic": "lvk-users.beccatest",
"uuid": "d8bad0fc-9e20-4605-ac70-1d4017f7fbcf",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"H1"
],
"time": [
1400505900
],
"range": 151.5192542017421
},
"message_text": "",
"published": "2024-05-23T13:24:59.308462Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T13:24:59.308482Z",
"modified": "2024-05-23T13:24:59.308490Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 736,
"topic": "gcn.circular",
"uuid": "bc03a2b4-c61d-4adc-9695-37cc6837e3c3",
"title": "GRB 230628E: Enhanced Swift-XRT position (Correction to name in GCN 34115)",
"submitter": "Hop gcn.circular",
"authors": "K.L. Page at U Leicester <klp5@leicester.ac.uk>",
"data": {
"date": "23/06/29 04:37:07 GMT",
"from": "K.L. Page at U Leicester <klp5@leicester.ac.uk>",
"title": "GCN CIRCULAR",
"number": "34116",
"subject": "GRB 230628E: Enhanced Swift-XRT position (Correction to name in GCN 34115)"
},
"message_text": "K.L. Page and P.A. Evans (U. Leicester) report on behalf of the Swift-XRT\nteam:\n\nGCN 34115 incorrectly referred to GRB 230628A; the enhanced position given\nwas instead for GRB 230628E. We repeat the details here, with the correct\nname:\n\nUsing 3999 s of XRT Photon Counting mode data and 9 UVOT images for GRB\n230628E, we find an astrometrically corrected X-ray position (using the\nXRT-UVOT alignment and matching UVOT field sources to the USNO-B1\ncatalogue): RA, Dec = 171.84876, -11.46370 which is equivalent to:\n\nRA (J2000): 11h 27m 23.70s\nDec (J2000): -11d 27' 49.3\"\n\nwith an uncertainty of 2.1 arcsec (radius, 90% confidence).\n\nThis position may be improved as more data are received. The latest\nposition can be viewed at https://www.swift.ac.uk/xrt_positions/ Position\nenhancement is described by Goad et al. (2007, A&A, 476, 1401) and Evans\net al. (2009, MNRAS, 397, 1177).\n\nThis circular is an official product of the Swift-XRT team.\n\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjg4MDEzNDMzLCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.Ff58lPdG1goQ5n9BtPpGJU889Vn3LxeyzAX4XTjx45Q\n\n",
"published": "2023-06-29T04:37:18.244426Z",
"message_parser": "GCN Circular Parser v1",
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"published": "2023-06-29T05:37:38.022125Z",
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"title": "S230629p - PRELIMINARY",
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"topic": "hermes.message",
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"title": "INTEGRAL follow-up of S230629q",
"submitter": "Volodymyr Savchenko",
"authors": "",
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"published": "2023-06-29T05:50:23.806416Z",
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"topic": "igwn.gwalert",
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"title": "S230719bb - PRELIMINARY",
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{
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"topic": "igwn.gwalert",
"uuid": "1bc7858d-8038-4869-94b9-7a3aee9e0361",
"title": "S230703aj - PRELIMINARY",
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"data": {
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{
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"topic": "lvk-users.beccatest",
"uuid": "63503d4a-f586-4945-92b2-5dc35cc5800e",
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{
"id": 742,
"topic": "igwn.gwalert",
"uuid": "edfc1b26-130e-4097-a4e7-89bd6e420196",
"title": "S230629q - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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"time_created": "2023-06-29T05:54:22Z",
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"published": "2023-06-29T05:54:23.574430Z",
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{
"id": 743,
"topic": "gcn.circular",
"uuid": "a06b9f4c-d14b-4e60-b5c5-efe5f29acf5b",
"title": "GRB 230628E: Swift-XRT refined Analysis",
"submitter": "Hop gcn.circular",
"authors": "Phil Evans at U of Leicester <pae9@star.le.ac.uk>",
"data": {
"date": "23/06/29 06:42:28 GMT",
"from": "Phil Evans at U of Leicester <pae9@star.le.ac.uk>",
"title": "GCN CIRCULAR",
"number": "34117",
"subject": "GRB 230628E: Swift-XRT refined Analysis"
},
"message_text": "J.A. Kennea (PSU), A. Tohuvavohu (U. Toronto), K.L. Page (U.\nLeicester), A.P. Beardmore (U. Leicester), M. Capalbi (INAF-IASFPA), M.\nPerri (SSDC & INAF-OAR), V. D'Elia (SSDC & INAF-OAR), D.N. Burrows\n(PSU) and P.A. Evans report on behalf of the Swift-XRT team:\n\nWe have analysed 6.3 ks of XRT data for GRB 230628E, from 226 s to 22.6\nks after the BAT trigger. The data are entirely in Photon Counting\n(PC) mode.\n\nThe light curve can be modelled with a power-law decay with a decay\nindex of alpha=0.85 (+/-0.05).\n\nA spectrum formed from the PC mode data can be fitted with an absorbed\npower-law with a photon spectral index of 1.94 (+/-0.18). The\nbest-fitting absorption column is 9.5 (+4.9, -4.3) x 10^20 cm^-2, in\nexcess of the Galactic value of 4.3 x 10^20 cm^-2 (Willingale et al.\n2013). The counts to observed (unabsorbed) 0.3-10 keV flux conversion\nfactor deduced from this spectrum is 3.4 x 10^-11 (4.1 x 10^-11) erg\ncm^-2 count^-1.\n\nA summary of the PC-mode spectrum is thus:\nTotal column:\t 9.5 (+4.9, -4.3) x 10^20 cm^-2\nGalactic foreground: 4.3 x 10^20 cm^-2\nExcess significance: 2.0 sigma\nPhoton index:\t 1.94 (+/-0.18)\n\nIf the light curve continues to decay with a power-law decay index of\n0.85, the count rate at T+24 hours will be 8.1 x 10^-3 count s^-1,\ncorresponding to an observed (unabsorbed) 0.3-10 keV flux of 2.8 x\n10^-13 (3.3 x 10^-13) erg cm^-2 s^-1.\n\nThe results of the XRT-team automatic analysis are available at\nhttp://www.swift.ac.uk/xrt_products/01177054.\n\nThis circular is an official product of the Swift-XRT team.\n\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjg4MDIwOTUzLCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.yCpj3kkGon56TGSfR5cUYRV0Yw1Sp-upEzQMkZIxRMg\n\n",
"published": "2023-06-29T06:42:38.306305Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-06-29T06:42:38.306325Z",
"modified": "2023-06-29T06:42:38.313159Z",
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},
{
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"topic": "igwn.gwalert",
"uuid": "30a6797e-0514-4708-9f33-cc4bba06e7a6",
"title": "S230629y - PRELIMINARY",
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},
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"retracted": false,
"created": "2023-06-29T07:09:27.069123Z",
"modified": "2023-06-29T07:09:27.075062Z",
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{
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"topic": "hermes.message",
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"title": "INTEGRAL follow-up of S230629y",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
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"published": "2023-06-29T07:10:14.295842Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-06-29T07:10:14.295861Z",
"modified": "2023-06-29T07:10:14.300457Z",
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{
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"topic": "igwn.gwalert",
"uuid": "3870e01f-d209-424e-b814-798020c08c3b",
"title": "S230629y - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
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"data": {
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"sequence_num": 2,
"time_created": "2023-06-29T07:14:00Z",
"superevent_id": "S230629y",
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"published": "2023-06-29T07:14:01.685341Z",
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"retracted": false,
"created": "2023-06-29T07:14:01.685366Z",
"modified": "2023-06-29T07:14:01.690862Z",
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{
"id": 862,
"topic": "igwn.gwalert",
"uuid": "f820422a-802a-4684-90f9-9273037e0ff2",
"title": "S230703aj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
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"data": {
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"time_created": "2023-07-03T13:42:54Z",
"superevent_id": "S230703aj",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-03T13:42:55.003291Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-03T13:42:55.003332Z",
"modified": "2023-07-03T13:42:55.014056Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 863,
"topic": "hermes.message",
"uuid": "a259569f-038f-4f5a-810b-78de07c1fdc7",
"title": "INTEGRAL follow-up of S230703aj",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230703aj at 2023-07-03T13:36:42.000\n\n\nSPI-ACS excesses:\nat T0+-1.22 FAP = 0.019\nat T0+-9.72 FAP = 0.115\nat T0+-12.42 FAP = 0.127\nat T0+-196.07 FAP = 0.36\nat T0+9.45 FAP = 0.465\nat T0+-65.77 FAP = 0.483\nat T0+-35.67 FAP = 0.6\n\n\n\n\nnext break in data in 15 hr: 2023-07-04T04:41:14, for 10 hr",
"published": "2023-07-03T13:49:06.937146Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-07-03T13:49:06.937165Z",
"modified": "2023-07-03T13:49:06.943399Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1633,
"topic": "igwn.gwalert",
"uuid": "9e1010c3-c360-4566-9cf2-aeacdf393dbc",
"title": "S230729ak - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230729ak/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230729ak/view/"
},
"event": {
"far": 3.31314e-06,
"time": "2023-07-29T11:54:38.244Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1087.934387604975,
"area_90": 4150.516898980523,
"duration": 0.036639,
"pipeline": "CWB",
"properties": {},
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"sequence_num": 1,
"time_created": "2023-07-29T11:57:14Z",
"superevent_id": "S230729ak",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-29T11:57:15.429454Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-29T11:57:15.429487Z",
"modified": "2023-07-29T11:57:15.434024Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 747,
"topic": "gcn.circular",
"uuid": "4815d368-48d6-47d6-9c1a-ae3dac4982c3",
"title": "GRB230628E: VLT optical identification of afterglow candidate",
"submitter": "Hop gcn.circular",
"authors": "J. T. Palmerio at Observatoire de Paris - GEPI <jesse.palmerio@obspm.fr>",
"data": {
"date": "23/06/29 07:14:44 GMT",
"from": "J. T. Palmerio at Observatoire de Paris - GEPI <jesse.palmerio@obspm.fr>",
"title": "GCN CIRCULAR",
"number": "34118",
"subject": "GRB230628E: VLT optical identification of afterglow candidate"
},
"message_text": "D. B. Malesani (Radboud Univ. and DAWN/NBI) and J. Palmerio (GEPI / Paris Obs.) report on behalf of the STARGATE collaboration:\n We observed the field of GRB 230628E (Salvaggio et al., GCN 34110) with the ESO VLT UT3 (Melipal) equipped with the X-shooter acquisition camera.\n In a single 30 s exposure acquired in the r band, with mid time June 29.0252 UT (2.17 hr after the GRB), we see a new object, very close to the Swift/XRT position, which is not visible in the Pan-STARRS images of this field. Its coordinates (J2000, calibrated against the Gaia catalog, 0.5\" error) are:\n RA = 11:27:23.60\n Dec = -11:27:49.21\n Preliminary photometry (against the Pan-STARRS catalog) yields a magnitude r = 21.2\n We consider this object a strong candidate as the afterglow of GRB 230628E, due to its consistency with the X-ray position and lack of detection in the Pan-STARRS archival images.\n Further observations are in progress. We acknowledge expert support from the observing staff in Paranal, in particular Eleonora Sani (to whom we wish a happy birthday), Thomas Romain (on his last observing night in Paranal), Ditte Slumstrup (who actually discovered the afterglow), and Thomas Rivinius.\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjg4MDIyODg5LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.zlKXGAhel7rX6N6qL-JT4v9lwJfPhIJOWnhwDRMi6jc\n\n",
"published": "2023-06-29T07:14:54.925182Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-06-29T07:14:54.925202Z",
"modified": "2023-06-29T07:14:54.931540Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 748,
"topic": "igwn.gwalert",
"uuid": "8bee0b99-fb49-4cf1-8d9a-ead1bf04ca93",
"title": "S230629ad - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230629ad/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230629ad/view/"
},
"event": {
"far": 1.31436e-05,
"time": "2023-06-29T08:57:04.344Z",
"group": "Burst",
"search": "BBH",
"area_50": 2269.4500166509956,
"area_90": 7205.335944137868,
"duration": 0.038247,
"pipeline": "CWB",
"properties": {},
"instruments": [
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"L1"
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"significant": false,
"skymap_hash": "308622a667dfba09526d132d0d77afe3",
"classification": {},
"skymap_version": 0,
"central_frequency": 47.206997
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-06-29T08:58:29Z",
"superevent_id": "S230629ad",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-29T08:58:31.056670Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-29T08:58:31.056695Z",
"modified": "2023-06-29T08:58:31.063716Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 749,
"topic": "igwn.gwalert",
"uuid": "006da3d0-5bd1-4a2f-b767-66222208edb2",
"title": "S230629ad - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230629ad/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230629ad/view/"
},
"event": {
"far": 1.31436e-05,
"time": "2023-06-29T08:57:04.344Z",
"group": "Burst",
"search": "BBH",
"area_50": 2269.4500166509956,
"area_90": 7205.335944137868,
"duration": 0.038247,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "308622a667dfba09526d132d0d77afe3",
"classification": {},
"skymap_version": 0,
"central_frequency": 47.206997
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-06-29T09:03:03Z",
"superevent_id": "S230629ad",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-29T09:03:04.682905Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-29T09:03:04.682930Z",
"modified": "2023-06-29T09:03:04.687995Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 750,
"topic": "hermes.message",
"uuid": "e1f50d3a-0e04-4665-86ee-2b1983b3be5a",
"title": "INTEGRAL follow-up of S230629ad",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230629ad at 2023-06-29T08:57:04.000\n\n\nSPI-ACS excesses:\nat T0+154.73 FAP = 0.349\nat T0+155.12 FAP = 0.386\nat T0+161.48 FAP = 0.405\nat T0+161.48 FAP = 0.405\nat T0+161.48 FAP = 0.405\nat T0+161.48 FAP = 0.405\nat T0+183.82 FAP = 0.459\nat T0+156.61 FAP = 0.467\nat T0+156.61 FAP = 0.467\nat T0+156.61 FAP = 0.467\nat T0+169.37 FAP = 0.483\nat T0+169.37 FAP = 0.483\nat T0+169.37 FAP = 0.483\nat T0+174.98 FAP = 0.497\nat T0+176.49 FAP = 0.534\nat T0+181.73 FAP = 0.56\nat T0+165.15 FAP = 0.561\nat T0+157.97 FAP = 0.581\nat T0+158.81 FAP = 0.597\nat T0+192.55 FAP = 0.605\nat T0+167.81 FAP = 0.636\nat T0+159.8 FAP = 0.674\nat T0+188.48 FAP = 0.679\nat T0+177.65 FAP = 0.774\nat T0+171.42 FAP = 0.85\nat T0+190.76 FAP = 0.857\nat T0+173.76 FAP = 0.906\nat T0+201.98 FAP = 0.916\nat T0+164.21 FAP = 0.941\n\n\n\n\nnext break in data in 53 hr: 2023-07-01T13:56:31, for about 9 hr",
"published": "2023-06-29T09:17:29.253412Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-06-29T09:17:29.253441Z",
"modified": "2023-06-29T09:17:29.258968Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 751,
"topic": "gcn.circular",
"uuid": "74000d20-5099-473b-b9e9-080bde7f4123",
"title": "GRB 230625B: AstroSat CZTI detection",
"submitter": "Hop gcn.circular",
"authors": "Gaurav Waratkar at IIT Bombay <gauravwaratkar@iitb.ac.in>",
"data": {
"date": "23/06/29 09:19:30 GMT",
"from": "Gaurav Waratkar at IIT Bombay <gauravwaratkar@iitb.ac.in>",
"title": "GCN CIRCULAR",
"number": "34119",
"subject": "GRB 230625B: AstroSat CZTI detection"
},
"message_text": "P K. Navaneeth (IUCAA), G. Waratkar (IITB), A. Vibhute (IUCAA), V. Bhalerao (IITB), D. Bhattacharya (Ashoka University/IUCAA), A. R. Rao (IUCAA/TIFR), and S. Vadawale (PRL) report on behalf of the AstroSat CZTI collaboration:\n\nAnalysis of AstroSat CZTI data with the CIFT framework (Sharma et al., 2021, JApA, 42, 73) showed the detection of a GRB 230625B which was also detected by CALET (Trig. 1371713313) and Swift/BAT-GUANO (Ronchini et al., GCN Circ. 34084).\n\nThe source was clearly detected in the 20-200 keV energy range. The light curve peaks at 2023-06-25 07:28:57.50 UTC. The measured peak count rate associated with the burst is 279 (+55, -14) counts/s above the background in the combined data of all quadrants, with a total of 9279 (+893, -648) counts. The local mean background count rate was 504 (+3, -5) counts/s. Using cumulative rates, we measure a T90 of 65 (+3, -4) s.\n\nThe source was also clearly detected in the CsI anticoincidence (Veto) detector in the 100-500 keV energy range. The light curve peaks at 2023-06-25 07:28:57.50 UTC. The measured peak count rate associated with the burst is 266 (+80, -19) counts/s above the background in the combined data of all quadrants, with a total of 7354 (+1143, -1181) counts. The local mean background count rate was 1607 (+5, -6) counts/s. We measure a T90 of 70 (+3, -15) s from the cumulative Veto light curve.\n\nWe further report the detection of 2 more bright bursts, with multiple peaks, about 50 s after the first burst reported above had ended. Preliminary analysis shows that these subsequent emission bursts had similar signatures to GRB 230625B and lasted for about 200 s, after which AstroSat entered the South Atlantic Anomaly (SAA) region. We caution that since AstroSat was close to SAA, these bursts may not be related to GRB 230625B.\n\nCZTI is built by a TIFR-led consortium of institutes across India, including VSSC, URSC, IUCAA, SAC, and PRL. The Indian Space Research Organisation funded, managed, and facilitated the project.\n\nCZTI GRB detections are reported regularly on the payload site at:\nhttp://astrosat.iucaa.in/czti/?q=grb\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjg4MDMwMzc2LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.f4ZPFz7XsC5a5oOdPhF-disd7sPUmrweM4OUUnnXRu0\n\n",
"published": "2023-06-29T09:19:40.572311Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-06-29T09:19:40.572341Z",
"modified": "2023-06-29T09:19:40.577661Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 752,
"topic": "igwn.gwalert",
"uuid": "7af52d24-bb1f-4934-a2dd-a36579cac981",
"title": "S230629ah - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230629ah/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230629ah/view/"
},
"event": {
"far": 2.302727443748154e-05,
"time": "2023-06-29T10:16:18.147Z",
"group": "CBC",
"search": "AllSky",
"area_50": 800.6861375314533,
"area_90": 3406.6929059121267,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.9142323334261133,
"HasMassGap": 0.9725196137343874,
"HasRemnant": 0.02082570298314519
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6c01ce8e9c4d3d9ebf8f523b7a7d4d6a",
"classification": {
"BBH": 0.009896725861167684,
"BNS": 0.0,
"NSBH": 0.07335754822121056,
"Terrestrial": 0.9167457259176217
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-06-29T10:16:43Z",
"superevent_id": "S230629ah",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-29T10:16:44.879994Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-29T10:16:44.880020Z",
"modified": "2023-06-29T10:16:44.887738Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9054,
"topic": "lvk-users.beccatest",
"uuid": "44f035f0-d2e8-475e-884d-87b866ec5258",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"V1"
],
"time": [
1400505900
],
"range": 50.83398019346012
},
"message_text": "",
"published": "2024-05-23T13:25:06.349434Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T13:25:06.349454Z",
"modified": "2024-05-23T13:25:06.349462Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 3218,
"topic": "hermes.message",
"uuid": "b06d519d-c750-4e16-9019-4bd92f8096ab",
"title": "INTEGRAL follow-up of S230824bp",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230824bp at 2023-08-24T13:53:31.000\n\n\nSPI-ACS excesses:\nat T0+-223.76 FAP = 0.344\nat T0+225.61 FAP = 0.567\nat T0+-124.49 FAP = 0.941\n\n\n\n\nnext break in data in 45 hr: 2023-08-26T10:47:36, for 9.3 hr",
"published": "2023-09-21T16:42:38.441079Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-21T16:42:38.441103Z",
"modified": "2023-09-21T16:42:38.447488Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 3219,
"topic": "hermes.message",
"uuid": "23903234-74c3-4079-8ffc-4abd0356c035",
"title": "INTEGRAL follow-up of S230806u",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230806u at 2023-08-06T11:35:29.000\n\n\nSPI-ACS excesses:\nat T0+-29.99 FAP = 0.081\nat T0+166.61 FAP = 0.124\nat T0+11.71 FAP = 0.186\nat T0+4.73 FAP = 0.337\nat T0+28.23 FAP = 0.547\nat T0+-2.84 FAP = 0.585\n\n\n\n\nnext break in data in 32 hr: 2023-08-07T19:53:51, for 9.3 hr",
"published": "2023-09-21T16:46:35.870368Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-21T16:46:35.870387Z",
"modified": "2023-09-21T16:46:35.876865Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9055,
"topic": "lvk-users.beccatest",
"uuid": "b1067b17-fbe7-4315-8c89-f858e6b5647d",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"H1"
],
"time": [
1400506000
],
"range": 151.70895022922778
},
"message_text": "",
"published": "2024-05-23T13:26:38.603724Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T13:26:38.603744Z",
"modified": "2024-05-23T13:26:38.603752Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 753,
"topic": "igwn.gwalert",
"uuid": "47daf972-85a1-4d55-8946-975d623558eb",
"title": "S230629ah - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230629ah/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230629ah/view/"
},
"event": {
"far": 2.302727443748154e-05,
"time": "2023-06-29T10:16:18.147Z",
"group": "CBC",
"search": "AllSky",
"area_50": 800.6861375314533,
"area_90": 3406.6929059121267,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.9142323334261133,
"HasMassGap": 0.9725196137343874,
"HasRemnant": 0.02082570298314519
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6c01ce8e9c4d3d9ebf8f523b7a7d4d6a",
"classification": {
"BBH": 0.009896725861167684,
"BNS": 0.0,
"NSBH": 0.07335754822121056,
"Terrestrial": 0.9167457259176217
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-06-29T10:21:17Z",
"superevent_id": "S230629ah",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-29T10:21:19.572939Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-29T10:21:19.572963Z",
"modified": "2023-06-29T10:21:19.577955Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 754,
"topic": "hermes.message",
"uuid": "d1aa9f4b-ca63-4889-acba-c4ea01595360",
"title": "INTEGRAL follow-up of S230629ah",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230629ah at 2023-06-29T10:16:18.000\n\n\nSPI-ACS excesses:\nat T0+-14.82 FAP = 0.096\nat T0+7.78 FAP = 0.175\nat T0+-7.82 FAP = 0.233\nat T0+85.58 FAP = 0.278\nat T0+4.43 FAP = 0.31\nat T0+4.93 FAP = 0.336\nat T0+38.83 FAP = 0.404\nat T0+11.53 FAP = 0.667\nat T0+-20.12 FAP = 0.826\nat T0+24.2 FAP = 0.952\n\n\n\n\nnext break in data in 52 hr: 2023-07-01T13:56:31, for about 9 hr",
"published": "2023-06-29T10:28:34.352052Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-06-29T10:28:34.352072Z",
"modified": "2023-06-29T10:28:34.357135Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 755,
"topic": "gcn.circular",
"uuid": "82db501a-0cb7-4f0f-a27b-49cc66a84307",
"title": "Fermi GRB 230628C: Global MASTER-Net observations report",
"submitter": "Hop gcn.circular",
"authors": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>",
"data": {
"date": "23/06/29 11:30:37 GMT",
"from": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>",
"title": "GCN CIRCULAR",
"number": "34120",
"subject": "Fermi GRB 230628C: Global MASTER-Net observations report"
},
"message_text": "V. Lipunov, V.Kornilov, E.Gorbovskoy, K.Zhirkov, N.Tyurina, P.Balanutsa, A.Kuznetsov, D. Vlasenko,\nG.Antipov, D.Zimnukhov, V.Senik, E.Minkina, A.Chasovnikov, V.Topolev, D.Kuvshinov, D.Cheryasov, Ya.Kechin\n(Lomonosov Moscow State University, SAI, Physics Department),\n\nR. Podesta, C.Lopez, F. Podesta, C.Francile\n(Observatorio Astronomico Felix Aguilar OAFA),\n\nR. Rebolo, M. Serra\n(The Instituto de Astrofisica de Canarias),\n\nD. Buckley\n(South African Astronomical Observatory),\n\nO.A. Gres, N.M. Budnev\n(Irkutsk State University, API),\n\nL.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez, A.R.Corella, L.H.Rodriguez\n(INAOE, Guillermo Haro Astrophysics Observatory),\n\nA. Tlatov, D. Dormidontov\n(Kislovodsk Solar Station of the Pulkovo Observatory),\n\nA. Gabovich, V.Yurkov\n(Blagoveschensk Educational State University)\n\n\nMASTER-OAGH robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Mexico (OAGH National Institute for Astrophysics, Optics and Electronics) started inspect of the Fermi GRB 230628C ( Fermi GBM team, GCN 34106) errorbox 61791 sec after notice time and 61823 sec after trigger time at 2023-06-29 10:46:57 UT, with upper limit up to 17.1 mag. Observations started at twilight. The observations began at zenith distance = 27 deg. The sun altitude is -16.8 deg.\n\nThe galactic latitude b = 2 deg., longitude l = 73 deg.\n\n\nReal time updated cover map and OT discovered available here:\nhttps://master.sai.msu.ru/site/master2/observ.php?id\"29961\n\nWe obtain a following upper limits.\n\nTmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____________________|____________________________________|_____|_______|_______|________\n\n 61913 | 2023-06-29 10:46:57 | MASTER-OAGH | (19h 47m 59.92s , +37d 05m 18.1s) | C | 180 | 17.1 |\nFilter C is a clear (unfiltred) band.\n\n\nThe observation and reduction will continue.\nThe message may be cited.\n\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjg4MDM4MjQyLCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.2joEf-m_6gFv9HOOFvsXFeWHx-f-HSTbQLO-gX-fu08\n\n",
"published": "2023-06-29T11:30:47.774374Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-06-29T11:30:47.774393Z",
"modified": "2023-06-29T11:30:47.779790Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 756,
"topic": "gcn.circular",
"uuid": "8947cb93-cae1-46bf-b2a9-42779940bcaa",
"title": "ZTF23aaoohpy/AT2023lcr: LBT observations",
"submitter": "Hop gcn.circular",
"authors": "Andrea Rossi at INAF <andrea.rossi@inaf.it>",
"data": {
"date": "23/06/29 12:32:55 GMT",
"from": "Andrea Rossi at INAF <andrea.rossi@inaf.it>",
"title": "GCN CIRCULAR",
"number": "34121",
"subject": "ZTF23aaoohpy/AT2023lcr: LBT observations"
},
"message_text": "A. Rossi, E. Maiorano, E. Palazzi (INAF-OAS), D. B. Malesani (U. Radboud and DAWN/NBI), A. Melandri (INAF-OAB, INAF-OAR), report on behalf of the CIBO collaboration:\n\nWe observed the field of the fast red optical transient ZTF23aaoohpy/AT2023lcr (Swain et al., GCN 34022; Gompertz et al., GCN 34023; Kumar et al., GCN 34025) with the LBC camera mounted on LBT (Mt Graham, AZ, USA) on 2023-06-23 in uâgârâzâ bands at approximately 4:30 UT. A second observation was obtained on 2023-06-26 at 08:30 UT in gârâzâ bands. Both observations were performed under good weather conditions.\n\nWe detect the optical transient in all bands and epochs and we measure the following preliminary AB magnitudes for the first observation:\nrâ= 22.5 +/- 0.1 \ncalibrated against SDSS field stars, and not corrected for the foreground Galactic extinction.\n\nWe acknowledge the excellent support from the LBTO and LBT-INAF staff, particularly D. Thompson, D. Gonzalez Huerta, F. Cusano and D. Paris, in obtaining these observations.\n\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjg4MDQxOTgxLCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.Hxh6KRw6WQ2-jXhVnFS2FK0sG5gdpEwKzFR_l7CVpdE\n\n",
"published": "2023-06-29T12:33:06.349838Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-06-29T12:33:06.349857Z",
"modified": "2023-06-29T12:33:06.354874Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 760,
"topic": "igwn.gwalert",
"uuid": "4a3ea005-17af-4fd2-b4b1-23e785287144",
"title": "S230630n - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230630n/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230630n/view/"
},
"event": {
"far": 1.674586928857025e-05,
"time": "2023-06-30T05:42:55.252Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1978.2151217627204,
"area_90": 8019.450779992701,
"duration": null,
"pipeline": "spiir",
"properties": {
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"HasMassGap": 0.33774691974691967,
"HasRemnant": 1.0
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"instruments": [
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"significant": false,
"skymap_hash": "917b614ad5f9f6f7743e73a8315fc64f",
"classification": {
"BBH": 0.0,
"BNS": 0.07737361997440748,
"NSBH": 0.0034973777496500684,
"Terrestrial": 0.9191290022759424
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-06-30T05:47:53Z",
"superevent_id": "S230630n",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-30T05:47:54.478538Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-30T05:47:54.478612Z",
"modified": "2023-06-30T05:47:54.485087Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 761,
"topic": "igwn.gwalert",
"uuid": "8605359d-28d1-42a2-baae-b325222bcfca",
"title": "S230630q - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230630q/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230630q/view/"
},
"event": {
"far": 2.227352888439782e-05,
"time": "2023-06-30T06:29:58.722Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1288.9452156330497,
"area_90": 4286.272646093429,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.6215247399813583,
"HasMassGap": 0.1782327813106998,
"HasRemnant": 0.0
},
"instruments": [
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"L1"
],
"significant": false,
"skymap_hash": "7338ebffd4892d7b2d434e470e1aeb7d",
"classification": {
"BBH": 0.015976649512117296,
"BNS": 0.0,
"NSBH": 0.06631445317809223,
"Terrestrial": 0.9177088973097904
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-06-30T06:30:23Z",
"superevent_id": "S230630q",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-30T06:30:24.619861Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-30T06:30:24.619885Z",
"modified": "2023-06-30T06:30:24.626840Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1362,
"topic": "igwn.gwalert",
"uuid": "7ca9ad8e-e398-4cd6-84e1-1bd23fbac601",
"title": "S230719bb - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230719bb/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230719bb/view/"
},
"event": {
"far": 2.032618431258015e-05,
"time": "2023-07-19T15:48:49.327Z",
"group": "CBC",
"search": "AllSky",
"area_50": 122.431960495179,
"area_90": 4253.540193930195,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.1210007748873074,
"HasRemnant": 0.0
},
"instruments": [
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"L1"
],
"significant": false,
"skymap_hash": "24bd6b882f45c2b46a7bc3d4d6a3d765",
"classification": {
"BBH": 0.06115462640176472,
"BNS": 0.0,
"NSBH": 7.872949736426846e-06,
"Terrestrial": 0.9388375006484988
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-19T15:53:47Z",
"superevent_id": "S230719bb",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-19T15:53:49.117631Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-19T15:53:49.117653Z",
"modified": "2023-07-19T15:53:49.123367Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 3220,
"topic": "hermes.message",
"uuid": "fb466857-e107-4429-a967-2b9a563ea15e",
"title": "INTEGRAL follow-up of S230823i",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230823i at 2023-08-23T02:19:17.000\n\n\nSPI-ACS excesses:\nat T0+174.72 FAP = 0.123\nat T0+-1.58 FAP = 0.185\nat T0+-66.73 FAP = 0.257\nat T0+15.04 FAP = 0.521\nat T0+129.57 FAP = 0.554\nat T0+-8.58 FAP = 0.674\nat T0+-35.31 FAP = 0.705\nat T0+-113.78 FAP = 0.787\nat T0+-34.21 FAP = 0.894\n\n\n\n\nnext break in data in 17 hr: 2023-08-23T18:56:26, for 9.3 hr",
"published": "2023-09-21T16:50:37.299798Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-21T16:50:37.299817Z",
"modified": "2023-09-21T16:50:37.305823Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 757,
"topic": "gcn.circular",
"uuid": "0df50090-5123-413e-9384-7565bd1feb99",
"title": "GRB 230628E - VLT spectroscopic observations",
"submitter": "Hop gcn.circular",
"authors": "J. T. Palmerio at Observatoire de Paris - GEPI <jesse.palmerio@obspm.fr>",
"data": {
"date": "23/06/29 13:05:51 GMT",
"from": "J. T. Palmerio at Observatoire de Paris - GEPI <jesse.palmerio@obspm.fr>",
"title": "GCN CIRCULAR",
"number": "34122",
"subject": "GRB 230628E - VLT spectroscopic observations"
},
"message_text": "J. T. Palmerio (GEPI / Paris Obs. and IAP), D. B. Malesani (Radboud Univ. and DAWN/NBI), A. Saccardi (GEPI / Paris Obs.), L. Izzo (INAF/OACn & DARK/NBI), P. Schady (Univ. Bath), A. de Ugarte Postigo (OCA) report on behalf of the STARGATE collaboration:\n\nWe observed the optical afterglow candidate of GRB 230628E (Malesani et al. GCN 34118) with the ESO VLT UT3 (Melipal) equipped with the X-shooter spectrograph.\nSpectroscopy was carried out, covering the wavelength range 3000-21000 AA, and consisting of 4 exposures of 600 s each. The observation mid time was 2023 June 29 at 01:05 UT (~2.7 hours after the GRB).\n\nOnly a faint continuum is detected from this source down to ~3700 Angstrom, which allows us to set a redshift upper limit z <~ 2.\nWe note a possible, very faint emission feature at ~15550 Angstrom but in the absence of other associated emission features, we do not derive a redshift from this.\n\nWe acknowledge expert support from the observing staff in Paranal, in particular Eleonora Sani, Thomas Romain, Ditte Slumstrup, and Thomas Rivinius.\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjg4MDQzOTU3LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.4UyDjhx0-arWB9frLWMzZYtGCQqtf7iUTcWwbhzYI-8\n\n",
"published": "2023-06-29T13:06:03.208615Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-06-29T13:06:03.208634Z",
"modified": "2023-06-29T13:06:03.214568Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 758,
"topic": "gcn.circular",
"uuid": "e29ce859-b721-4385-b907-6db92f534900",
"title": "GRB 230625B: CALET Gamma-Ray Burst Monitor detection",
"submitter": "Hop gcn.circular",
"authors": "Yuta Kawakubo at Louisiana State University <kawakubo1@lsu.edu>",
"data": {
"date": "23/06/30 04:09:47 GMT",
"from": "Yuta Kawakubo at Louisiana State University <kawakubo1@lsu.edu>",
"title": "GCN CIRCULAR",
"number": "34123",
"subject": "GRB 230625B: CALET Gamma-Ray Burst Monitor detection"
},
"message_text": "Y. Asaoka (ICRR), A. Yoshida, T. Sakamoto, S. Sugita (AGU),\nY. Kawakubo (LSU), K. Yamaoka (Nagoya U), S. Nakahira (JAXA),\nS. Torii, Y. Akaike, K. Kobayashi (Waseda U),\nY. Shimizu, T. Tamura (Kanagawa U), N. Cannady (GSFC/UMBC),\nM. L. Cherry (LSU), S. Ricciarini (U of Florence),\nP. S. Marrocchesi (U of Siena),\nand the CALET collaboration:\n\nThe long GRB 230625B (Swift/BAT-GUANO Detection: Ronchini et al.,\nGCN Circ. 34083; AstroSat CZTI detection: Navaneeth et al., GCN\nCirc. 34119) triggered the CALET Gamma-ray Burst Monitor (CGBM)\nat 07:28:45.62 UTC on 25 June 2023\n(http://cgbm.calet.jp/cgbm_trigger/flight/1371713313/index.html).\nThe burst signal was seen by all CGBM detectors.\n\nThe burst light curve shows multi-peaked structure that starts\nat T-2.0 sec. The whole episode was not seen by CGBM because\nthe sequence of the HV turn-off started from T+220 sec.\n\nThe ground-processed light curve is available at\n\nhttp://cgbm.calet.jp/cgbm_trigger/ground/1371713313/\n\nThe CALET data used in this analysis are provided by\nthe Waseda CALET Operation Center located at Waseda University.\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjg4MDk4MTkzLCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.jARS02PRcBmUrvZds9MdroOOyTW3C10-zrwWK85kD50\n\n",
"published": "2023-06-30T04:10:02.855923Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-06-30T04:10:02.855943Z",
"modified": "2023-06-30T04:10:02.861856Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 759,
"topic": "igwn.gwalert",
"uuid": "5ab4bcf9-5621-4000-b5e2-e3d22ed49519",
"title": "S230630n - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230630n/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230630n/view/"
},
"event": {
"far": 1.674586928857025e-05,
"time": "2023-06-30T05:42:55.252Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1978.2151217627204,
"area_90": 8019.450779992701,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.33774691974691967,
"HasRemnant": 1.0
},
"instruments": [
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"L1"
],
"significant": false,
"skymap_hash": "917b614ad5f9f6f7743e73a8315fc64f",
"classification": {
"BBH": 0.0,
"BNS": 0.07737361997440748,
"NSBH": 0.0034973777496500684,
"Terrestrial": 0.9191290022759424
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-06-30T05:43:18Z",
"superevent_id": "S230630n",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-30T05:43:19.785885Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-30T05:43:19.785912Z",
"modified": "2023-06-30T05:43:19.793336Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1363,
"topic": "hermes.message",
"uuid": "b91e1767-f3b2-45af-8bf0-77abfebd1839",
"title": "INTEGRAL follow-up of S230719bb",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230719bb at 2023-07-19T15:48:49.000\n\n\nSPI-ACS excesses:\nat T0+-33.19 FAP = 0.018\nat T0+-57.59 FAP = 0.601\nat T0+239.91 FAP = 0.624\nat T0+-179.47 FAP = 0.634\n\n\n\n\nnext break in data in 12 hr: 2023-07-20T03:48:12, for 10 hr",
"published": "2023-07-19T16:01:38.004412Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-07-19T16:01:38.004431Z",
"modified": "2023-07-19T16:01:38.009820Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 767,
"topic": "igwn.gwalert",
"uuid": "36ab2725-d4c2-44b5-9168-953f3e4d5309",
"title": "S230630ak - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230630ak/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230630ak/view/"
},
"event": {
"far": 1.29106e-05,
"time": "2023-06-30T12:38:44.071Z",
"group": "Burst",
"search": "AllSky",
"area_50": 349.9854500530567,
"area_90": 1378.1201654367364,
"duration": 0.018966,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f07b11baa12c63a7d3e35a84acc2d906",
"classification": {},
"skymap_version": 0,
"central_frequency": 770.627563
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-06-30T12:39:43Z",
"superevent_id": "S230630ak",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-30T12:39:44.371551Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-30T12:39:44.371573Z",
"modified": "2023-06-30T12:39:44.378502Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 768,
"topic": "igwn.gwalert",
"uuid": "142f45ed-063f-477a-8e11-1d801cdd1874",
"title": "S230630ak - PRELIMINARY",
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"area_90": 3641.6951265712532,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.04264138160689884,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "64bc8eea3a10f4fa576e636701c7d79b",
"classification": {
"BBH": 0.9825057756089519,
"BNS": 9.896791560423668e-16,
"NSBH": 7.656199763323968e-14,
"Terrestrial": 0.01749422439097048
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "INITIAL",
"sequence_num": 3,
"time_created": "2023-06-30T13:21:09Z",
"superevent_id": "S230630am",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-30T13:21:10.278361Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-30T13:21:10.278384Z",
"modified": "2023-06-30T13:21:10.283509Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 772,
"topic": "gcn.circular",
"uuid": "fcf43bfe-92ca-47e3-8adf-83e29dc3fe1b",
"title": "LIGO/Virgo/KAGRA S230630am: Identification of a GW compact binary merger candidate",
"submitter": "Hop gcn.circular",
"authors": "thomas.sainrat@iphc.cnrs.fr",
"data": {
"date": "23/06/30 13:33:07 GMT",
"from": "thomas.sainrat@iphc.cnrs.fr",
"title": "GCN CIRCULAR",
"number": "34124",
"subject": "LIGO/Virgo/KAGRA S230630am: Identification of a GW compact binary merger candidate"
},
"message_text": "The LIGO Scientific Collaboration, the Virgo Collaboration, and the\nKAGRA Collaboration report:\n\nWe identified the compact binary merger candidate S230630am during\nreal-time processing of data from LIGO Hanford Observatory (H1) and\nLIGO Livingston Observatory (L1) at 2023-06-30 12:58:06.902 UTC (GPS\ntime: 1372165104.902). The candidate was found by the CWB [1], MBTA\n[2], and GstLAL [3] analysis pipelines.\n\nS230630am is an event of interest because its false alarm rate, as\nestimated by the online analysis, is 2.4e-08 Hz, or about one in 1\nyear, 3 months. The event's properties can be found at this URL:\n\nhttps://gracedb.ligo.org/superevents/S230630am\n\nThe classification of the GW signal, in order of descending\nprobability, is BBH (98%), Terrestrial (2%), NSBH (<1%), or BNS (<1%).\n\nAssuming the candidate is astrophysical in origin, the probability\nthat the lighter compact object is consistent with a neutron star mass\n(HasNS) is <1%. [4] Using the masses and spins inferred from the\nsignal, the probability of matter outside the final compact object\n(HasRemnant) is <1%. [4] Both HasNS and HasRemnant consider the\nsupport of several neutron star equations of state. The probability\nthat either of the binary components lies between 3 and 5 solar masses\n(HasMassgap) is 4%.\n\nTwo sky maps are available at this time and can be retrieved from the\nGraceDB event page:\n * bayestar.multiorder.fits,1, an initial localization generated by\nBAYESTAR [5], distributed via GCN notice about 32 seconds after the\ncandidate event time.\n * bayestar.multiorder.fits,2, an initial localization generated by\nBAYESTAR [5], distributed via GCN notice about 5 minutes after the\ncandidate event time.\n\nThe preferred sky map at this time is bayestar.multiorder.fits,2. For\nthe bayestar.multiorder.fits,2 sky map, the 90% credible region is\n3642 deg2. Marginalized over the whole sky, the a posteriori\nluminosity distance estimate is 8710 +/- 2735 Mpc (a posteriori mean\n+/- standard deviation).\n\nFor further information about analysis methodology and the contents of\nthis alert, refer to the LIGO/Virgo/KAGRA Public Alerts User Guide\nhttps://emfollow.docs.ligo.org/userguide/.\n\n [1] Klimenko et al. PRD 93, 042004 (2016)\n [2] Aubin et al. CQG 38, 095004 (2021)\n [3] Tsukada et al. arXiv:2305.06286 (2023) and Ewing et al.\narXiv:2305.05625 (2023)\n [4] Chatterjee et al. ApJ 896, 54 (2020)\n [5] Singer & Price PRD 93, 024013 (2016)\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjg4MTMxOTkzLCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.h2yqDzZSBoMvwxqcDa8n0n0lKAxuC49jXqyNGnIXRbE\n\n",
"published": "2023-06-30T13:33:18.831213Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-06-30T13:33:18.831232Z",
"modified": "2023-06-30T13:33:18.836307Z",
"nonlocalizedevents": [
{
"event_id": "S230630a"
}
],
"targets": []
},
{
"id": 773,
"topic": "igwn.gwalert",
"uuid": "0f287d67-5835-4af9-8553-60fa96a26725",
"title": "S230630bb - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230630bb/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230630bb/view/"
},
"event": {
"far": 8.7919e-06,
"time": "2023-06-30T18:23:09.673Z",
"group": "Burst",
"search": "AllSky",
"area_50": 188.00177652730142,
"area_90": 1035.68835819058,
"duration": 0.059655,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "839a48cf9d2a8fb6e09d9cb433f8c173",
"classification": {},
"skymap_version": 0,
"central_frequency": 727.511475
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-06-30T18:24:21Z",
"superevent_id": "S230630bb",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-30T18:24:22.313391Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-30T18:24:22.313417Z",
"modified": "2023-06-30T18:24:22.329197Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 774,
"topic": "igwn.gwalert",
"uuid": "f3f4dfb0-3d7b-4c92-9b18-216468ceb3ec",
"title": "S230630bb - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230630bb/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230630bb/view/"
},
"event": {
"far": 8.7919e-06,
"time": "2023-06-30T18:23:09.673Z",
"group": "Burst",
"search": "AllSky",
"area_50": 188.00177652730142,
"area_90": 1035.68835819058,
"duration": 0.059655,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "839a48cf9d2a8fb6e09d9cb433f8c173",
"classification": {},
"skymap_version": 0,
"central_frequency": 727.511475
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-06-30T18:28:55Z",
"superevent_id": "S230630bb",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-30T18:28:56.988631Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-30T18:28:56.988656Z",
"modified": "2023-06-30T18:28:56.993718Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 775,
"topic": "hermes.message",
"uuid": "62e12804-cba8-4f8c-8c11-195382599cb8",
"title": "INTEGRAL follow-up of S230630bb",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230630bb at 2023-06-30T18:23:09.000\n\n\nSPI-ACS excesses:\nat T0+1.88 FAP = 0.017\nat T0+54.78 FAP = 0.242\nat T0+42.18 FAP = 0.243\nat T0+59.43 FAP = 0.596\n\n\n\n\nnext break in data in 20 hr: 2023-07-01T13:56:31, for 9.3 hr",
"published": "2023-06-30T18:35:27.748679Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-06-30T18:35:27.748698Z",
"modified": "2023-06-30T18:35:27.753791Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1365,
"topic": "igwn.gwalert",
"uuid": "3f46faa6-2cb2-4d27-b0e6-5eda0dc545be",
"title": "S230719bp - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230719bp/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230719bp/view/"
},
"event": {
"far": 1.396343e-05,
"time": "2023-07-19T18:48:21.344Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1202.4979701762995,
"area_90": 4264.451011317939,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.20985982266698208,
"HasMassGap": 0.020221141088014153,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "d0133a1c8d7604731d6f8b84d395eb4f",
"classification": {
"BBH": 0.035914079,
"BNS": 0.0,
"NSBH": 8.4912e-05,
"Terrestrial": 0.964001011
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-19T18:53:40Z",
"superevent_id": "S230719bp",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-19T18:53:42.131169Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-19T18:53:42.131189Z",
"modified": "2023-07-19T18:53:42.139103Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 6187,
"topic": "gcn.circular",
"uuid": "6c08b430-3612-47a4-9712-69df2423d16b",
"title": "Fermi GRB 240305A: Global MASTER-Net observations report",
"submitter": "Hop gcn.circular",
"authors": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>",
"data": {
"date": "24/03/06 19:30:41 GMT",
"from": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>",
"urls": {
"gcn_circular": "https://gcn.nasa.gov/circulars/35890"
},
"title": "GCN CIRCULAR",
"number": "35890",
"subject": "Fermi GRB 240305A: Global MASTER-Net observations report"
},
"message_text": "V. Lipunov, V.Kornilov, E. Gorbovskoy, K. Zhirkov, N.Tyurina, P.Balanutsa, A.Kuznetsov, V.Senik, D. Vlasenko,\nG.Antipov, D.Zimnukhov, E.Minkina, A.Chasovnikov, V.Topolev, D.Kuvshinov, D. Cheryasov, Ya.Kechin, Yu.Tselik, A. Sosnovskij\n(Lomonosov Moscow State University, SAI, Physics Department),\n\nR. Podesta, C.Lopez, F. Podesta, C.Francile\n(Observatorio Astronomico Felix Aguilar OAFA),\n\nR. Rebolo, M. Serra\n(The Instituto de Astrofisica de Canarias),\n\nD. Buckley\n(South African Astronomical Observatory),\n\nO.A. Gress, N.M. Budnev, O.Ershova\n(Irkutsk State University, API),\n\nL.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez,\nA.R.Corella, L.H.Rodriguez\n(INAOE, Guillermo Haro Astrophysics Observatory),\n\nA. Tlatov, D. Dormidontov\n(Kislovodsk Solar Station of the Pulkovo Observatory),\n\nV. Yurkov, A. Gabovich\n(Blagoveschensk Educational State University)\n\nMASTER-SAAO robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in South Africa (South African Astronomical Observatory) started inspect of the Fermi GRB 240305A ( Fermi GBM team, GCN 35869) errorbox 1 days 30310 sec after notice time and 1 days 30342 sec after trigger time at 2024-03-06 18:15:03 UT, with upper limit up to 19.4 mag. Observations started at twilight. The observations began at zenith distance = 55 deg. The sun altitude is -14.9 deg.\n\nThe galactic latitude b = -74 deg., longitude l = 279 deg.\n\n\nReal time updated cover map and OT discovered available here:\nhttps://master.sai.msu.ru/site/master2/observ.php?id#91924\n\nWe obtain a following upper limits.\n\nTmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____________________|____________________________________|_____|_______|_______|________\n\n 116772 | 2024-03-06 18:15:03 | MASTER-SAAO | (01h 52m 23.63s , -44d 32m 26.3s) | C | 60 | 13.7 |\n 117330 | 2024-03-06 18:24:20 | MASTER-SAAO | (01h 23m 00.92s , -38d 48m 51.7s) | C | 60 | 12.3 |\n 118229 | 2024-03-06 18:39:19 | MASTER-SAAO | (01h 36m 10.23s , -42d 27m 04.8s) | C | 60 | 13.2 |\n 118229 | 2024-03-06 18:39:19 | MASTER-SAAO | (01h 42m 50.95s , -42d 39m 23.8s) | C | 60 | 15.1 |\n 118309 | 2024-03-06 18:40:39 | MASTER-SAAO | (01h 30m 42.38s , -38d 40m 29.4s) | C | 60 | 14.5 |\n 118309 | 2024-03-06 18:40:39 | MASTER-SAAO | (01h 37m 00.55s , -38d 52m 46.6s) | C | 60 | 13.7 |\n 118388 | 2024-03-06 18:41:59 | MASTER-SAAO | (01h 20m 49.84s , -46d 15m 01.5s) | C | 60 | 16.2 |\n 118388 | 2024-03-06 18:41:59 | MASTER-SAAO | (01h 27m 56.71s , -46d 27m 27.1s) | C | 60 | 15.7 |\n 118468 | 2024-03-06 18:43:19 | MASTER-SAAO | (00h 54m 49.20s , -42d 27m 18.8s) | C | 60 | 17.2 |\n 118468 | 2024-03-06 18:43:19 | MASTER-SAAO | (01h 01m 28.21s , -42d 39m 44.6s) | C | 60 | 15.0 |\n 118548 | 2024-03-06 18:44:38 | MASTER-SAAO | (01h 39m 17.93s , -44d 20m 50.7s) | C | 60 | 15.4 |\n 118548 | 2024-03-06 18:44:38 | MASTER-SAAO | (01h 46m 10.88s , -44d 33m 13.0s) | C | 60 | 15.3 |\n 118627 | 2024-03-06 18:45:58 | MASTER-SAAO | (00h 56m 45.33s , -44d 21m 16.1s) | C | 60 | 18.3 |\n 118627 | 2024-03-06 18:45:58 | MASTER-SAAO | (01h 03m 37.12s , -44d 33m 43.9s) | C | 60 | 18.3 |\n 118707 | 2024-03-06 18:47:18 | MASTER-SAAO | (00h 53m 11.03s , -40d 34m 12.1s) | C | 60 | 19.2 |\n 118707 | 2024-03-06 18:47:18 | MASTER-SAAO | (00h 59m 38.30s , -40d 46m 36.9s) | C | 60 | 19.4 |\n 118787 | 2024-03-06 18:48:38 | MASTER-SAAO | (01h 15m 34.39s , -42d 28m 26.0s) | C | 60 | 19.4 |\n 118787 | 2024-03-06 18:48:38 | MASTER-SAAO | (01h 22m 13.76s , -42d 40m 50.0s) | C | 60 | 19.3 |\n 118866 | 2024-03-06 18:49:57 | MASTER-SAAO | (01h 13m 16.50s , -40d 32m 48.9s) | C | 60 | 19.3 |\n 118866 | 2024-03-06 18:49:57 | MASTER-SAAO | (01h 19m 43.99s , -40d 45m 11.2s) | C | 60 | 19.3 |\n 118946 | 2024-03-06 18:51:17 | MASTER-SAAO | (01h 18m 00.60s , -44d 22m 20.9s) | C | 60 | 19.4 |\n 118946 | 2024-03-06 18:51:17 | MASTER-SAAO | (01h 24m 52.76s , -44d 34m 46.7s) | C | 60 | 19.4 |\n 119026 | 2024-03-06 18:52:37 | MASTER-SAAO | (01h 33m 22.27s , -40d 32m 35.9s) | C | 60 | 19.3 |\nFilter C is a clear (unfiltred) band.\n\n\nThe observation and reduction will continue.\nThe message may be cited.\n\n\n\n\nView this GCN Circular online at https://gcn.nasa.gov/circulars/35890.",
"published": "2024-03-06T19:30:59.479042Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2024-03-06T19:30:59.479053Z",
"modified": "2024-03-06T19:30:59.485440Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 776,
"topic": "igwn.gwalert",
"uuid": "baae343b-c86d-4ade-b02d-e3fb9e7c6779",
"title": "S230630bd - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230630bd/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230630bd/view/"
},
"event": {
"far": 9.739569955731392e-06,
"time": "2023-06-30T18:45:17.823Z",
"group": "CBC",
"search": "AllSky",
"area_50": 361.5781935275358,
"area_90": 1470.8621132325702,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.9192943671557308,
"HasMassGap": 0.33229864718351815,
"HasRemnant": 0.10957034929989211
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "4675f35d24f9bfcb3cb1554cfd89e1a5",
"classification": {
"BBH": 0.00071397036781531,
"BNS": 0.0,
"NSBH": 0.0034478986526192924,
"Terrestrial": 0.9958381309795654
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-06-30T18:45:42Z",
"superevent_id": "S230630bd",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-30T18:45:42.923005Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-30T18:45:42.923027Z",
"modified": "2023-06-30T18:45:42.928054Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 777,
"topic": "igwn.gwalert",
"uuid": "5fb142f7-3238-46e3-aeb6-40fc0e80b5e9",
"title": "S230630bd - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230630bd/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230630bd/view/"
},
"event": {
"far": 9.739569955731392e-06,
"time": "2023-06-30T18:45:17.823Z",
"group": "CBC",
"search": "AllSky",
"area_50": 361.5781935275358,
"area_90": 1470.8621132325702,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.9192943671557308,
"HasMassGap": 0.33229864718351815,
"HasRemnant": 0.10957034929989211
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "4675f35d24f9bfcb3cb1554cfd89e1a5",
"classification": {
"BBH": 0.00071397036781531,
"BNS": 0.0,
"NSBH": 0.0034478986526192924,
"Terrestrial": 0.9958381309795654
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-06-30T18:50:16Z",
"superevent_id": "S230630bd",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-30T18:50:17.549211Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-30T18:50:17.549234Z",
"modified": "2023-06-30T18:50:17.554310Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 778,
"topic": "hermes.message",
"uuid": "d74ddd7f-8698-4465-a946-ca1734b47f59",
"title": "INTEGRAL follow-up of S230630bd",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230630bd at 2023-06-30T18:45:17.000\n\n\nSPI-ACS excesses:\nat T0+16.46 FAP = 0.068\nat T0+-65.99 FAP = 0.094\nat T0+71.71 FAP = 0.149\nat T0+19.89 FAP = 0.24\nat T0+-3.69 FAP = 0.255\nat T0+7.54 FAP = 0.337\nat T0+9.76 FAP = 0.368\nat T0+-31.64 FAP = 0.439\nat T0+-23.39 FAP = 0.682\n\n\n\n\nnext break in data in 19 hr: 2023-07-01T13:56:31, for 9.3 hr",
"published": "2023-06-30T18:58:38.566086Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-06-30T18:58:38.566120Z",
"modified": "2023-06-30T18:58:38.571454Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 779,
"topic": "gcn.circular",
"uuid": "26a473e3-7824-48c6-a6cf-053f89a7c6cf",
"title": "AT2023lcr (ATLAS23msn/ZTF23aaoohpy): ALMA 100 GHz Detection",
"submitter": "Hop gcn.circular",
"authors": "Anna Y Q Ho at Cornell University <ayh24@cornell.edu>",
"data": {
"date": "23/06/30 21:24:44 GMT",
"from": "Anna Y Q Ho at Cornell University <ayh24@cornell.edu>",
"title": "GCN CIRCULAR",
"number": "34125",
"subject": "AT2023lcr (ATLAS23msn/ZTF23aaoohpy): ALMA 100 GHz Detection"
},
"message_text": "Anna Y. Q. Ho (Cornell) and Daniel A. Perley (LJMU) report on behalf of a larger collaboration:\n\nIn an observation beginning at 03:35 on 29 June UT, we observed the location of the extragalactic fast optical transient AT2023lcr (Swain et al. GCN Circ. 34022; Fulton et al. GCN Circ. 34042) using the Atacama Large Millimeter/sub-millimeter Array (ALMA) in Band 3 (100 GHz) under excellent weather conditions. A counterpart was detected with a preliminary peak flux density of 0.17 mJy, at high significance (10-sigma).\n\nData were obtained under Program ID 2022.A.00025.T. We thank the ALMA staff for rapidly approving and executing our observations.\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjg4MTYwMjg5LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.GgftAmgZsNhY22AbpOC_ROqbXCe6aYlroF2-fNeI-hk\n\n",
"published": "2023-06-30T21:24:59.257684Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-06-30T21:24:59.257704Z",
"modified": "2023-06-30T21:24:59.264816Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1366,
"topic": "hermes.message",
"uuid": "1e248cc1-04be-4e1b-8f9d-56869beb32fe",
"title": "INTEGRAL follow-up of S230719bp",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230719bp at 2023-07-19T18:48:21.000\n\n\nSPI-ACS excesses:\nat T0+23.56 FAP = 0.862\nat T0+94.74 FAP = 0.971\n\n\n\n\nnext break in data in 9 hr: 2023-07-20T03:48:12, for 10 hr",
"published": "2023-07-19T19:01:04.040172Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-07-19T19:01:04.040192Z",
"modified": "2023-07-19T19:01:04.046603Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1465,
"topic": "igwn.gwalert",
"uuid": "c7a8d790-9daf-445a-955a-c03e535d6eca",
"title": "S230723y - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230723y/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230723y/view/"
},
"event": {
"far": 1.225447e-05,
"time": "2023-07-23T08:27:21.187Z",
"group": "CBC",
"search": "AllSky",
"area_50": 372.0169082398498,
"area_90": 1448.4110082231714,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.08383160055375334,
"HasMassGap": 0.20007763934464698,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "599cb0e40274262d2d49e912457b417b",
"classification": {
"BBH": 0.040521787,
"BNS": 0.0,
"NSBH": 5.0854e-05,
"Terrestrial": 0.959427359
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-23T08:32:26Z",
"superevent_id": "S230723y",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-23T08:32:27.787403Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-23T08:32:27.787422Z",
"modified": "2023-07-23T08:32:27.793819Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1466,
"topic": "hermes.message",
"uuid": "af530726-b08c-4bde-adeb-7598388cf56d",
"title": "INTEGRAL follow-up of S230723y",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230723y at 2023-07-23T08:27:21.000\n\n\nSPI-ACS excesses:\nat T0+37.74 FAP = 0.105\nat T0+-49.86 FAP = 0.109\nat T0+1.39 FAP = 0.208\nat T0+52.39 FAP = 0.216\nat T0+21.69 FAP = 0.267\nat T0+-6.29 FAP = 0.406\nat T0+-66.84 FAP = 0.441\nat T0+9.74 FAP = 0.664\n\n\n\n\nnext break in data in 52 hr: 2023-07-25T12:36:28, for 9.3 hr",
"published": "2023-07-23T08:39:58.904249Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-07-23T08:39:58.904279Z",
"modified": "2023-07-23T08:39:58.917461Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 6188,
"topic": "icecube.HE-tracks",
"uuid": "798c2167-5321-4137-b339-23280ad20041",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"id": "13910034742349",
"ra": 4.17093159102577,
"dec": 0.6913830189101959,
"far": 0.2332111806173231,
"time": "2024-03-07 07:44:57.380762",
"err50": 0.019301319640971013,
"err90": 0.04954813623709633,
"energy": 191933.35694219163,
"run_id": 139100,
"nevents": 1,
"event_id": 34742349,
"revision": 0,
"signalness": 0.605953225684455,
"description": "Report of IceCube Gold Neutrino Track Alert"
},
"message_text": "",
"published": "2024-03-07T07:45:27.993386Z",
"message_parser": "",
"retracted": false,
"created": "2024-03-07T07:45:27.993401Z",
"modified": "2024-03-07T07:45:27.993407Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 3223,
"topic": "hermes.message",
"uuid": "77d6eb09-59f2-4810-9394-8f73388b1fb3",
"title": "INTEGRAL follow-up of S230815r",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230815r at 2023-08-15T09:59:03.000\n\n\nSPI-ACS excesses:\nat T0+1.37 FAP = 0.025\nat T0+3.54 FAP = 0.026\nat T0+-30.98 FAP = 0.208\nat T0+-175.06 FAP = 0.458\nat T0+-112.21 FAP = 0.59\nat T0+122.92 FAP = 0.977\n\n\n\n\nnext break in data in 9.4 hr: 2023-08-15T19:25:20, for 9.3 hr",
"published": "2023-09-21T17:04:18.702294Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-21T17:04:18.702322Z",
"modified": "2023-09-21T17:04:18.708868Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 3224,
"topic": "hermes.message",
"uuid": "80f85fa0-d058-499f-8e7e-cec3be2c5020",
"title": "INTEGRAL follow-up of S230920e",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230920e at 2023-09-20T00:38:47.000\n\n\nSPI-ACS excesses:\nat T0+-41.55 FAP = 0.137\nat T0+14.0 FAP = 0.333\nat T0+-27.5 FAP = 0.341\nat T0+-227.25 FAP = 0.687\nat T0+-32.17 FAP = 0.832\nat T0+-253.67 FAP = 0.929\n\n\n\n\nnext break in data in 47 hr: 2023-09-22T00:06:29, for about 9 hr",
"published": "2023-09-21T17:06:47.032424Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-21T17:06:47.032444Z",
"modified": "2023-09-21T17:06:47.038973Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 783,
"topic": "igwn.gwalert",
"uuid": "7c22fc7e-7712-46cd-9008-746d294d9daf",
"title": "S230630bq - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230630bq/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230630bq/view/"
},
"event": {
"far": 2.661108572170836e-09,
"time": "2023-06-30T23:45:32.397Z",
"group": "CBC",
"search": "AllSky",
"area_50": 420.11892528101475,
"area_90": 1637.2520783956838,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.002387360068832792,
"HasMassGap": 0.14281223455939468,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "1aff497bbf14120b4ab6f87b4f9ded69",
"classification": {
"BBH": 0.9967978903251428,
"BNS": 1.0028877659965554e-20,
"NSBH": 0.0008201324864209535,
"Terrestrial": 0.002381977188436246
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-06-30T23:46:06Z",
"superevent_id": "S230630bq",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-30T23:46:08.189873Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-30T23:46:08.189899Z",
"modified": "2023-06-30T23:46:08.195979Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 784,
"topic": "igwn.gwalert",
"uuid": "06878535-4ff5-4434-95ed-97b0b61b1a19",
"title": "S230630bq - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230630bq/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230630bq/view/"
},
"event": {
"far": 7.732377e-09,
"time": "2023-06-30T23:45:32.407Z",
"group": "CBC",
"search": "AllSky",
"area_50": 496.86183796501086,
"area_90": 1974.8579471818757,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.08114227694427675,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "244ab487b731f0aadd72403d9e1ab07a",
"classification": {
"BBH": 0.968061153,
"BNS": 0.0,
"NSBH": 0.000828221,
"Terrestrial": 0.031110641
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-06-30T23:50:43Z",
"superevent_id": "S230630bq",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-30T23:50:44.693954Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-30T23:50:44.693980Z",
"modified": "2023-06-30T23:50:44.699848Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 785,
"topic": "gcn.circular",
"uuid": "9f380e7d-57cc-4958-b2e0-b8627fb82c1e",
"title": "IPN triangulation of GRB 230625B (ultra-long)",
"submitter": "Hop gcn.circular",
"authors": "Dmitry Svinkin at Ioffe Institute <svinkin@mail.ioffe.ru>",
"data": {
"date": "23/06/30 23:54:32 GMT",
"from": "Dmitry Svinkin at Ioffe Institute <svinkin@mail.ioffe.ru>",
"title": "GCN CIRCULAR",
"number": "34126",
"subject": "IPN triangulation of GRB 230625B (ultra-long)"
},
"message_text": "A.S. Kozyrev, D.V. Golovin, M.L. Litvak, I.G. Mitrofanov, and A.B. Sanin\non behalf of the HEND/Mars Odyssey team,\n\nD. Svinkin, D. Frederiks, A. Ridnaia, A. Lysenko,\nand T. Cline on behalf of the Konus-Wind team,\n\nE. Bozzo and C. Ferrigno, on behalf of the INTEGRAL SPI-ACS GRB team,\n\nS. Barthelmy, J. Cummings, H. Krimm, D. Palmer, and A. Tohuvavohu\non behalf of the Swift-BAT team,\n\nE. Burns on behalf of the IPN,\n\nand\n\nW. Boynton, C. Fellows, K. Harshman, H. Enos, R. Starr,\nand A.S. Gardner on on behalf of the GRS-Odyssey GRB team,\nreport:\n\nThe ultra-long GRB 230625B\n(Swift-BAT/GUANO detection: Ronchini et al., GCN Circ. 34084;\nAstroSat-CZTI detection: Navaneeth et al., GCN Circ. 34119;\nCALET-GBM detection: Asaoka et al., GCN Circ. 34123)\nwas detected by Konus-Wind, INTEGRAL (SPI-ACS), AstroSat (CZTI),\nCALET (GBM triggers 1371713313 and 1371714158), Swift (BAT),\nand Mars-Odyssey (HEND) at about 26925 s UT (07:28:45).\nThe burst was outside the coded field of view of the BAT.\n\nAs observed by Konus-Wind, the burst light curve shows a multi-peaked structure with the total duration of ~1100 s.\n\nWe have triangulated it to a preliminary, 3 sigma error box\nwhose coordinates are:\n ------------------------------\n RA(2000), deg Dec(2000), deg\n ------------------------------\n Center:\n 348.047 +27.385\n Corners:\n 359.451 +18.898\n 359.209 +18.406\n 324.407 +33.245\n 323.504 +33.777\n -------------------------------\nThe error box area is 18.4 sq. deg, and its maximum\ndimension is 35.3 deg (the minimum one is 31.4 arcmin).\nThe Sun distance was about 86 deg.\n\nThis box may be improved.\n\nA triangulation map and HEALPix FITS file are posted at\nhttp://www.ioffe.ru/LEA/GRBs/GRB230625_T26937/IPN\n\nThe Konus-Wind light curve of this GRB is available at\nhttp://www.ioffe.ru/LEA/GRBs/GRB230625_T26937\n\nA detailed analysis of the Konus-Wind time history and spectrum will be given in a forthcoming GCN Circular.\n\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjg4MTY5Mjc4LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.3IEeXPo5KCGGpzKm1h52Y3QheuWeFRTX5KNwF6NqbIA\n\n",
"published": "2023-06-30T23:54:44.185281Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-06-30T23:54:44.185301Z",
"modified": "2023-06-30T23:54:44.191590Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 786,
"topic": "hermes.message",
"uuid": "0e38efd7-ac75-4ee7-8076-f757616de426",
"title": "INTEGRAL follow-up of S230630bq",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230630bq at 2023-06-30T23:45:32.000\n\n\nSPI-ACS excesses:\nat T0+-0.22 FAP = 0.006\nat T0+31.11 FAP = 0.114\nat T0+-140.87 FAP = 0.352\nat T0+26.33 FAP = 0.873\n\n\n\n\nnext break in data in 14 hr: 2023-07-01T13:56:31, for 9.3 hr",
"published": "2023-06-30T23:57:46.718668Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-06-30T23:57:46.718686Z",
"modified": "2023-06-30T23:57:46.724876Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 787,
"topic": "igwn.gwalert",
"uuid": "3bc33638-a680-4ce2-8698-3c28a58a0218",
"title": "S230630bq - INITIAL",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230630bq/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230630bq/view/"
},
"event": {
"far": 7.732377e-09,
"time": "2023-06-30T23:45:32.407Z",
"group": "CBC",
"search": "AllSky",
"area_50": 496.86183796501086,
"area_90": 1974.8579471818757,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.08114227694427675,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "244ab487b731f0aadd72403d9e1ab07a",
"classification": {
"BBH": 0.968061153,
"BNS": 0.0,
"NSBH": 0.000828221,
"Terrestrial": 0.031110641
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "INITIAL",
"sequence_num": 3,
"time_created": "2023-07-01T00:21:56Z",
"superevent_id": "S230630bq",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-01T00:21:57.288083Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-01T00:21:57.288109Z",
"modified": "2023-07-01T00:21:57.294012Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 788,
"topic": "gcn.circular",
"uuid": "133fc46e-dade-49f8-9a61-655caa013c25",
"title": "LIGO/Virgo/KAGRA S230630bq: Identification of a GW compact binary merger candidate",
"submitter": "Hop gcn.circular",
"authors": "David Hui at Chungnam National University <huichungyue@gmail.com>",
"data": {
"date": "23/07/01 00:55:44 GMT",
"from": "David Hui at Chungnam National University <huichungyue@gmail.com>",
"title": "GCN CIRCULAR",
"number": "34127",
"subject": "LIGO/Virgo/KAGRA S230630bq: Identification of a GW compact binary merger candidate"
},
"message_text": "The LIGO Scientific Collaboration, the Virgo Collaboration, and the\nKAGRA Collaboration report:\n\nWe identified the compact binary merger candidate S230630bq during\nreal-time processing of data from LIGO Hanford Observatory (H1) and\nLIGO Livingston Observatory (L1) at 2023-06-30 23:45:32.407 UTC (GPS\ntime: 1372203950.407). The candidate was found by the MBTA [1], GstLAL\n[2], PyCBC Live [3], and SPIIR [4] analysis pipelines.\n\nS230630bq is an event of interest because its false alarm rate, as\nestimated by the online analysis, is 7.7e-09 Hz, or about one in 4\nyears. The event's properties can be found at this URL:\n\nhttps://gracedb.ligo.org/superevents/S230630bq\n\nThe classification of the GW signal, in order of descending\nprobability, is BBH (97%), Terrestrial (3%), NSBH (<1%), or BNS (<1%).\n\nAssuming the candidate is astrophysical in origin, the probability\nthat the lighter compact object is consistent with a neutron star mass\n(HasNS) is <1%. [5] Using the masses and spins inferred from the\nsignal, the probability of matter outside the final compact object\n(HasRemnant) is <1%. [5] Both HasNS and HasRemnant consider the\nsupport of several neutron star equations of state. The probability\nthat either of the binary components lies between 3 and 5 solar masses\n(HasMassgap) is 8%.\n\nTwo sky maps are available at this time and can be retrieved from the\nGraceDB event page:\n * bayestar.multiorder.fits,1, an initial localization generated by\nBAYESTAR [6], distributed via GCN notice about 33 seconds after the\ncandidate event time.\n * bayestar.multiorder.fits,2, an initial localization generated by\nBAYESTAR [6], distributed via GCN notice about 5 minutes after the\ncandidate event time.\n\nThe preferred sky map at this time is bayestar.multiorder.fits,2. For\nthe bayestar.multiorder.fits,2 sky map, the 90% credible region is\n1976 deg2. Marginalized over the whole sky, the a posteriori\nluminosity distance estimate is 1150 +/- 360 Mpc (a posteriori mean\n+/- standard deviation).\n\nFor further information about analysis methodology and the contents of\nthis alert, refer to the LIGO/Virgo/KAGRA Public Alerts User Guide\nhttps://emfollow.docs.ligo.org/userguide/.\n\n [1] Aubin et al. CQG 38, 095004 (2021)\n [2] Tsukada et al. arXiv:2305.06286 (2023) and Ewing et al.\narXiv:2305.05625 (2023)\n [3] Dal Canton et al. ApJ 923, 254 (2021)\n [4] Chu et al. PRD 105, 024023 (2022)\n [5] Chatterjee et al. ApJ 896, 54 (2020)\n [6] Singer & Price PRD 93, 024013 (2016)\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjg4MTcyOTQ5LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.Goh95sjdLZhivd1uguZn-QS3gWtDoEvEOGqAqjfpir0\n\n",
"published": "2023-07-01T00:55:54.732329Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-07-01T00:55:54.732349Z",
"modified": "2023-07-01T00:55:54.738553Z",
"nonlocalizedevents": [
{
"event_id": "S230630b"
}
],
"targets": []
},
{
"id": 789,
"topic": "gcn.circular",
"uuid": "d33aaa2f-27f5-4a88-bd32-d706b61f7d27",
"title": "LIGO/Virgo/KAGRA S230627c: Upper limits from Swift/BAT-GUANO",
"submitter": "Hop gcn.circular",
"authors": "Samuele Ronchini at PSU <sjs8171@psu.edu>",
"data": {
"date": "23/07/01 03:37:08 GMT",
"from": "Samuele Ronchini at PSU <sjs8171@psu.edu>",
"title": "GCN CIRCULAR",
"number": "34128",
"subject": "LIGO/Virgo/KAGRA S230627c: Upper limits from Swift/BAT-GUANO"
},
"message_text": "Gayathri Raman (PSU), Samuele Ronchini (PSU), Aaron Tohuvavohu (U Toronto), James DeLaunay (U Alabama), Jamie A. Kennea (PSU), Tyler Parsotan (NASA GSFC) report:\n\nSwift/BAT was observing 99.2% of the GW localization probability (Bilby.multiorder.fits,0) at merger time.\nThe entirety of the GW 90% credible region is contained inside the coded FoV.\n\nThe LVK notice, distributed in near real-time, triggered the Swift Mission Operations Center operated Gamma-ray Urgent Archiver for Novel Opportunities (GUANO; Tohuvavohu et al. 2020, ApJ, 900, 1).\n\nUpon trigger by this notice, GUANO sent a command to the Swift Burst Alert Telescope (BAT) to save 200 seconds of BAT event-mode data from [-50,+150] seconds around the time of the burst. All the requested event mode data was delivered to the ground.\n\nUsing the NITRATES analysis (DeLaunay + Tohuvavohu 2022, ApJ, 941, 169), we searched for emission on 8 timescales from 0.128s to 16.384s in the interval [-20,+20] seconds around the merger time. We find no evidence for a signal, and derive the following upper limits.\n\nWe quote the 5-sigma flux upper limits in the 15-350 keV band, weighted over the GW localization, for four spectral templates (soft, normal, and hard GRB-like templates described in [arXiv:1612.02395], and spectral shape from GRB170817A [arXiv:1710.05446]) and for four time bins.\nIn units of 10^-8 erg/s/cm^2:\n\nBin duration (s) |\thard\t\tnormal\t\tsoft\t\tGRB 170817A\n----------------------------------------------------\n0.256\t\t\t |\t7.0\t\t7.7\t\t4.9\t\t8.3\n1.024\t\t\t |\t3.6\t\t4.0\t\t2.5\t\t4.2\n4.096\t\t\t |\t1.9\t\t2.2\t\t1.4\t\t2.3\n16.384\t\t \t |\t1.2\t\t1.3\t\t0.8\t\t1.4\n\nFor a median distance of 291 Mpc, we derive luminosity upper limits (in units of 10^47 erg/s) as follows:\n\nBin duration (s) |\thard\t\tnormal\t\tsoft\t\tGRB 170817A\n-----------------------------------------------------\n0.256\t\t\t |\t7.1\t\t7.8\t\t5.0\t\t8.4\n1.024\t\t\t |\t3.6\t\t4.0\t\t2.5\t\t4.3\n4.096\t\t\t |\t2.0\t\t2.2\t\t1.4\t\t2.3\n16.384\t\t\t |\t1.2\t\t1.3\t\t0.8\t\t1.4\n\nThe upper limits as function of sky position are plotted here, alongside the GW localization:\nhttps://doi.org/10.5281/zenodo.8102958\n\nThe corresponding fits file can be found here:\nhttps://doi.org/10.5281/zenodo.8102951\n\nGUANO is a fully autonomous, extremely low latency, spacecraft\ncommanding pipeline designed for targeted recovery of BAT event mode\ndata around the times of compelling astrophysical events to enable\nmore sensitive GRB searches.\n\nA live reporting of Swift/BAT event data recovered by GUANO can be\nfound at: https://www.swift.psu.edu/guano/\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjg4MTgyNjM0LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.nBL1NJteALf3CdkfUpaSrLBOfaRYadcFScsPX9QImy0\n\n",
"published": "2023-07-01T03:37:20.375911Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-07-01T03:37:20.375946Z",
"modified": "2023-07-01T03:37:20.382423Z",
"nonlocalizedevents": [
{
"event_id": "S230627c"
}
],
"targets": []
},
{
"id": 790,
"topic": "igwn.gwalert",
"uuid": "0ab8e385-0050-4c16-a7b2-ed3d7daa551e",
"title": "S230701k - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230701k/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230701k/view/"
},
"event": {
"far": 1.699751373962499e-05,
"time": "2023-07-01T03:48:00.537Z",
"group": "CBC",
"search": "AllSky",
"area_50": 896.3656130855264,
"area_90": 3096.154257183995,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.2913514006032769,
"HasRemnant": 0.7114629178904378
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "a3459970881276fb1beadb2c5d11b36f",
"classification": {
"BBH": 6.0943925368395865e-05,
"BNS": 0.002414904268207442,
"NSBH": 0.03782950178658724,
"Terrestrial": 0.9596946500198369
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-07-01T03:48:23Z",
"superevent_id": "S230701k",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-01T03:48:24.441092Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-01T03:48:24.441116Z",
"modified": "2023-07-01T03:48:24.447205Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2645,
"topic": "igwn.gwalert",
"uuid": "4c1d7d1d-cae7-4e99-80e4-e5fcb2020b14",
"title": "S230901bf - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230901bf/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230901bf/view/"
},
"event": {
"far": 9.234663148477724e-06,
"time": "2023-09-01T16:32:55.439Z",
"group": "CBC",
"search": "AllSky",
"area_50": 652.760632562985,
"area_90": 2046.1979070248249,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.010666666666666666,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "f3230f227b1a627188903b1fa89a720a",
"classification": {
"BBH": 0.0,
"BNS": 0.003826833224525016,
"NSBH": 0.0,
"Terrestrial": 0.996173166775475
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-09-01T16:33:21Z",
"superevent_id": "S230901bf",
"external_coinc": null
},
"message_text": "",
"published": "2023-09-01T16:33:23.273849Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-09-01T16:33:23.273870Z",
"modified": "2023-09-01T16:33:23.277606Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9059,
"topic": "lvk-users.beccatest",
"uuid": "8890f129-10e0-4587-af64-e41d5b04a4f5",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"L1"
],
"time": [
1400506100
],
"range": 166.54929016477698
},
"message_text": "",
"published": "2024-05-23T13:28:20.816247Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T13:28:20.816309Z",
"modified": "2024-05-23T13:28:20.816318Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9060,
"topic": "lvk-users.beccatest",
"uuid": "708aee99-68e5-4cd7-be8c-23be79eef7fc",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"V1"
],
"time": [
1400506100
],
"range": 50.284496848640664
},
"message_text": "",
"published": "2024-05-23T13:28:26.838092Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T13:28:26.838112Z",
"modified": "2024-05-23T13:28:26.838121Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 791,
"topic": "igwn.gwalert",
"uuid": "172606a1-4205-4639-af5e-a35ba97d8d8e",
"title": "S230701k - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230701k/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230701k/view/"
},
"event": {
"far": 1.699751373962499e-05,
"time": "2023-07-01T03:48:00.537Z",
"group": "CBC",
"search": "AllSky",
"area_50": 896.3656130855264,
"area_90": 3096.154257183995,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.2913514006032769,
"HasRemnant": 0.7114629178904378
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "a3459970881276fb1beadb2c5d11b36f",
"classification": {
"BBH": 6.0943925368395865e-05,
"BNS": 0.002414904268207442,
"NSBH": 0.03782950178658724,
"Terrestrial": 0.9596946500198369
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-01T03:52:57Z",
"superevent_id": "S230701k",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-01T03:52:58.982641Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-01T03:52:58.982666Z",
"modified": "2023-07-01T03:52:58.988888Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 792,
"topic": "hermes.message",
"uuid": "e5ac4803-5e7b-46ec-a554-c55ca86a899e",
"title": "INTEGRAL follow-up of S230701k",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230701k at 2023-07-01T03:48:00.000\n\n\nSPI-ACS excesses:\nat T0+-11.02 FAP = 0.233\nat T0+21.03 FAP = 0.354\nat T0+23.08 FAP = 0.415\nat T0+-93.87 FAP = 0.465\nat T0+-18.6 FAP = 0.552\nat T0+15.85 FAP = 0.571\nat T0+29.98 FAP = 0.605\nat T0+-65.52 FAP = 0.639\nat T0+40.78 FAP = 0.773\nat T0+-129.97 FAP = 0.959\n\n\n\n\nnext break in data in 10 hr: 2023-07-01T13:56:31, for 9.3 hr",
"published": "2023-07-01T04:00:12.745388Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-07-01T04:00:12.745406Z",
"modified": "2023-07-01T04:00:12.751494Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 793,
"topic": "igwn.gwalert",
"uuid": "5137934b-cd83-4fe0-aae7-e0ae273ae2fb",
"title": "S230701t - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230701t/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230701t/view/"
},
"event": {
"far": 1.66596e-05,
"time": "2023-07-01T05:09:03.672Z",
"group": "Burst",
"search": "BBH",
"area_50": 527.0764091926128,
"area_90": 1984.9294709244098,
"duration": 0.005195,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "722d60e547d399c2cfbcee2a33db2181",
"classification": {},
"skymap_version": 0,
"central_frequency": 143.413391
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-07-01T05:10:14Z",
"superevent_id": "S230701t",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-01T05:10:15.030420Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-01T05:10:15.030442Z",
"modified": "2023-07-01T05:10:15.036533Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 794,
"topic": "igwn.gwalert",
"uuid": "988e586e-af31-4a65-a2ed-466f72a9e0ee",
"title": "S230701t - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230701t/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230701t/view/"
},
"event": {
"far": 1.66596e-05,
"time": "2023-07-01T05:09:03.672Z",
"group": "Burst",
"search": "BBH",
"area_50": 527.0764091926128,
"area_90": 1984.9294709244098,
"duration": 0.005195,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "722d60e547d399c2cfbcee2a33db2181",
"classification": {},
"skymap_version": 0,
"central_frequency": 143.413391
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-01T05:14:48Z",
"superevent_id": "S230701t",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-01T05:14:49.541331Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-01T05:14:49.541354Z",
"modified": "2023-07-01T05:14:49.547122Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 795,
"topic": "hermes.message",
"uuid": "23e1784a-f40f-4bca-bb4e-4c2bda342368",
"title": "INTEGRAL follow-up of S230701t",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230701t at 2023-07-01T05:09:03.000\n\n\nSPI-ACS excesses:\nat T0+85.08 FAP = 0.099\nat T0+-6.14 FAP = 0.25\nat T0+-273.24 FAP = 0.544\nat T0+183.93 FAP = 0.555\nat T0+43.03 FAP = 0.785\nat T0+-49.74 FAP = 0.825\nat T0+-44.99 FAP = 0.866\n\n\n\n\nnext break in data in 8.8 hr: 2023-07-01T13:56:31, for 9.3 hr",
"published": "2023-07-01T05:21:25.205397Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-07-01T05:21:25.205418Z",
"modified": "2023-07-01T05:21:25.211277Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 872,
"topic": "igwn.gwalert",
"uuid": "193a93d3-d8d5-4530-95d0-2ac2b7a84304",
"title": "S230704v - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230704v/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230704v/view/"
},
"event": {
"far": 1.0469e-05,
"time": "2023-07-04T07:02:34.244Z",
"group": "Burst",
"search": "AllSky",
"area_50": 134.2869832337867,
"area_90": 313.89582330897645,
"duration": 0.004816,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "8753dc12212034f3fc9ce6efd4a64c45",
"classification": {},
"skymap_version": 0,
"central_frequency": 254.28125
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-07-04T07:03:49Z",
"superevent_id": "S230704v",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-04T07:03:51.104908Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-04T07:03:51.104932Z",
"modified": "2023-07-04T07:03:51.112258Z",
"nonlocalizedevents": [],
"targets": []
}
]
}