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"count": 257814,
"next": "https://hermes.lco.global/api/v0/messages/?format=api&limit=100&offset=2400&ordering=retracted",
"previous": "https://hermes.lco.global/api/v0/messages/?format=api&limit=100&offset=2200&ordering=retracted",
"results": [
{
"id": 1797,
"topic": "gcn.circular",
"uuid": "a5eafd44-e9e9-42df-9d09-f631c5735cbd",
"title": "GRB 230802B: Fermi GBM Final Localization",
"submitter": "Hop gcn.circular",
"authors": "Joshua Wood at NASA/MSFC <joshua.r.wood@nasa.gov>",
"data": {
"date": "23/08/03 01:25:55 GMT",
"from": "Joshua Wood at NASA/MSFC <joshua.r.wood@nasa.gov>",
"title": "GCN CIRCULAR",
"number": "34322",
"subject": "GRB 230802B: Fermi GBM Final Localization"
},
"message_text": "The Fermi GBM team reports the detection of a likely LONG GRB\n\n\"At 23:58:47.92 UT on 02 August 2023, the Fermi Gamma-ray Burst Monitor (GBM)\ntriggered and located GRB 230802B (trigger 712713532/230802999).\n\nThe on-ground calculated location, using the Fermi GBM trigger data,\nis RA = 22.22, Dec = 9.62 (J2000 degrees, equivalent to J2000 1h 28m, +9d 37'),\nwith a statistical uncertainty of 5.88 degrees.\n\nThe angle from the Fermi LAT boresight is 77 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230802999/quicklook/glg_skymap_all_bn230802999.png\n\nThe HEALPix FITS file, including the estimated localization systematic, can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230802999/quicklook/glg_healpix_all_bn230802999.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230802999/quicklook/glg_lc_medres34_bn230802999.gif\"\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkxMDI1OTYwLCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.dl-WN6PkobQFFhe_UdgoHL4ZQ_FK8P3nb4ZBOofIoM0\n\n",
"published": "2023-08-03T01:26:06.379387Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-03T01:26:06.379408Z",
"modified": "2023-08-03T01:26:06.387908Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1798,
"topic": "gcn.circular",
"uuid": "80fb4223-7a03-47c1-aae9-b608cfdf30fc",
"title": "Fermi trigger No 712651827: 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": "23/08/03 01:31:01 GMT",
"from": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>",
"title": "GCN CIRCULAR",
"number": "34323",
"subject": "Fermi trigger No 712651827: 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-Tavrida robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the Fermi GRB230802.28 (trigger No 712651827,04h 34m 04.01s , +12d 28m 00.1s, R=9.1167) errorbox 65639 sec after notice time and 65673 sec after trigger time at 2023-08-03 01:04:55 UT, with upper limit up to 15.3 mag. Observations started at twilight. The observations began at zenith distance = 65 deg. The sun altitude is -13.8 deg.\n\nThe galactic latitude b = -22 deg., longitude l = 184 deg.\n\n\nReal time updated cover map and OT discovered available here:\nhttps://master.sai.msu.ru/site/master2/observ.php?id\"48906\n\nWe obtain a following upper limits.\n\nTmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____________________|____________________________________|_____|_______|_______|________\n\n 65763 | 2023-08-03 01:04:55 | MASTER-Tavrida | (05h 01m 53.77s , +19d 43m 25.9s) | C | 180 | 15.3 |\nFilter C is a clear (unfiltred) band.\n\n\nThe observation and reduction will continue.\nThe message may be cited.\n\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkxMDI2MjY0LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.h14jGf-TL2vj7_w9h8eSdb8LuqbmpU7Mxu_Y5Td5BRk\n\n",
"published": "2023-08-03T01:31:09.285384Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-03T01:31:09.285403Z",
"modified": "2023-08-03T01:31:09.291852Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1799,
"topic": "gcn.circular",
"uuid": "a8bce3c4-3e50-46ea-8930-5b92daba5138",
"title": "Fermi trigger No 712713532: 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": "23/08/03 01:31:25 GMT",
"from": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>",
"title": "GCN CIRCULAR",
"number": "34324",
"subject": "Fermi trigger No 712713532: 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-Tavrida robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the Fermi GRB230802.99 (trigger No 712713532,01h 28m 52.80s , +09d 37m 12.0s, R=5.88) errorbox 33 sec after notice time and 66 sec after trigger time at 2023-08-02 23:59:54 UT, with upper limit up to 18.6 mag. The observations began at zenith distance = 53 deg. The sun altitude is -21.4 deg.\n\nMASTER-SAAO robotic telescope located in South Africa (South African Astronomical Observatory) started inspect of the Fermi GRB230802.99 errorbox 578 sec after notice time and 611 sec after trigger time at 2023-08-03 00:08:59 UT, with upper limit up to 18.0 mag. The observations began at zenith distance = 62 deg. The sun altitude is -66.3 deg.\n\nThe galactic latitude b = -52 deg., longitude l = 139 deg.\n\n\nReal time updated cover map and OT discovered available here:\nhttps://master.sai.msu.ru/site/master2/observ.php?id\"49252\n\nWe obtain a following upper limits.\n\nTmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____________________|____________________________________|_____|_______|_______|________\n\n 72 | 2023-08-02 23:59:54 | MASTER-Tavrida | (01h 58m 42.33s , +07d 15m 33.4s) | C | 10 | 16.6 |\n 94 | 2023-08-03 00:00:11 | MASTER-Tavrida | (01h 58m 44.94s , +07d 17m 12.7s) | C | 20 | 17.3 |\n 121 | 2023-08-03 00:00:38 | MASTER-Tavrida | (01h 58m 38.43s , +07d 16m 24.2s) | C | 20 | 17.3 |\n 152 | 2023-08-03 00:01:05 | MASTER-Tavrida | (01h 58m 38.24s , +07d 17m 24.3s) | C | 30 | 17.6 |\n 195 | 2023-08-03 00:01:43 | MASTER-Tavrida | (01h 58m 45.90s , +07d 16m 24.2s) | C | 40 | 17.8 |\n 244 | 2023-08-03 00:02:31 | MASTER-Tavrida | (01h 58m 38.80s , +07d 15m 24.1s) | C | 40 | 17.8 |\n 296 | 2023-08-03 00:03:18 | MASTER-Tavrida | (01h 58m 45.15s , +07d 15m 44.3s) | C | 50 | 18.1 |\n 365 | 2023-08-03 00:04:18 | MASTER-Tavrida | (01h 58m 42.05s , +07d 17m 21.2s) | C | 70 | 18.2 |\n 646 | 2023-08-03 00:08:33 | MASTER-Tavrida | (01h 26m 04.48s , +09d 43m 04.3s) | C | 120 | 18.0 |\n 641 | 2023-08-03 00:08:59 | MASTER-SAAO | (01h 27m 20.59s , +09d 19m 53.1s) | C | 60 | 17.1 |\n 701 | 2023-08-03 00:08:59 | MASTER-SAAO | (01h 27m 20.58s , +09d 19m 53.1s) | C | 180 | 18.0 | Coadd\n 641 | 2023-08-03 00:08:59 | MASTER-SAAO | (01h 26m 30.45s , +09d 21m 11.6s) | C | 60 | 16.7 |\n 701 | 2023-08-03 00:08:59 | MASTER-SAAO | (01h 26m 30.45s , +09d 21m 11.6s) | C | 180 | 17.5 | Coadd\n 732 | 2023-08-03 00:10:30 | MASTER-SAAO | (01h 27m 21.60s , +09d 20m 54.5s) | C | 60 | 17.4 |\n 732 | 2023-08-03 00:10:30 | MASTER-SAAO | (01h 26m 31.51s , +09d 22m 12.0s) | C | 60 | 17.4 |\n 784 | 2023-08-03 00:10:42 | MASTER-Tavrida | (01h 25m 57.88s , +09d 42m 17.1s) | C | 140 | 18.3 |\n 812 | 2023-08-03 00:11:49 | MASTER-SAAO | (01h 27m 27.50s , +09d 19m 55.4s) | C | 60 | 17.2 |\n 812 | 2023-08-03 00:11:49 | MASTER-SAAO | (01h 26m 37.38s , +09d 21m 12.9s) | C | 60 | 16.8 |\n 946 | 2023-08-03 00:13:09 | MASTER-Tavrida | (01h 25m 57.57s , +09d 43m 16.5s) | C | 170 | 18.5 |\n 903 | 2023-08-03 00:13:20 | MASTER-SAAO | (01h 26m 31.56s , +09d 20m 12.9s) | C | 60 | 16.7 |\n 903 | 2023-08-03 00:13:20 | MASTER-SAAO | (01h 27m 21.67s , +09d 18m 55.8s) | C | 60 | 17.0 |\n 1131 | 2023-08-03 00:16:09 | MASTER-Tavrida | (01h 26m 04.51s , +09d 42m 15.8s) | C | 180 | 18.6 |\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.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkxMDI2Mjg3LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.Ce2aSDzrxrDEe9cfyMF5xVnNLVlkrtgqPMwM7HelVjI\n\n",
"published": "2023-08-03T01:31:31.333423Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-03T01:31:31.333443Z",
"modified": "2023-08-03T01:31:31.339533Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2526,
"topic": "igwn.gwalert",
"uuid": "3f252392-5744-4564-904f-d41ebee8ac1d",
"title": "S230827bh - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230827bh/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230827bh/view/"
},
"event": {
"far": 1.034159049595473e-05,
"time": "2023-08-27T16:55:07.950Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1685.0918161727207,
"area_90": 5825.53719141071,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.6884464309878767,
"HasMassGap": 0.03163901557379818,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "809251810452b4ea1926b15600f07c68",
"classification": {
"BBH": 0.06683082692852495,
"BNS": 0.0,
"NSBH": 0.02074268572041863,
"Terrestrial": 0.9124264873510564
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-08-27T16:55:33Z",
"superevent_id": "S230827bh",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-27T16:55:35.221910Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-27T16:55:35.221931Z",
"modified": "2023-08-27T16:55:35.225817Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2527,
"topic": "igwn.gwalert",
"uuid": "caec5987-0ec5-4d54-b2cc-0f45ce86af0b",
"title": "S230827bh - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230827bh/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230827bh/view/"
},
"event": {
"far": 1.034159049595473e-05,
"time": "2023-08-27T16:55:07.950Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1685.0918161727207,
"area_90": 5825.53719141071,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.6884464309878767,
"HasMassGap": 0.03163901557379818,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "809251810452b4ea1926b15600f07c68",
"classification": {
"BBH": 0.06683082692852495,
"BNS": 0.0,
"NSBH": 0.02074268572041863,
"Terrestrial": 0.9124264873510564
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-27T17:00:08Z",
"superevent_id": "S230827bh",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-27T17:00:09.967158Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-27T17:00:09.967179Z",
"modified": "2023-08-27T17:00:09.970823Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2528,
"topic": "igwn.gwalert",
"uuid": "634bdec3-16da-44e5-b870-8ab17cb3dd3b",
"title": "S230827bj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230827bj/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230827bj/view/"
},
"event": {
"far": 4.399854333314579e-06,
"time": "2023-08-27T17:11:18.134Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2218.253104293114,
"area_90": 10907.460213164326,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.7125990463072739,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "282809edb29edabef666a89f38cf5fb3",
"classification": {
"BBH": 0.10985867323014126,
"BNS": 0.0,
"NSBH": 0.3922259794497414,
"Terrestrial": 0.49791534732011733
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-08-27T17:11:44Z",
"superevent_id": "S230827bj",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-27T17:11:45.357863Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-27T17:11:45.357886Z",
"modified": "2023-08-27T17:11:45.361613Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9114,
"topic": "lvk-users.beccatest",
"uuid": "8a92dc1e-20e9-4e4c-a968-54abc29655e6",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"H1"
],
"time": [
1400507900
],
"range": 149.26461414404787
},
"message_text": "",
"published": "2024-05-23T13:58:19.080556Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T13:58:19.080578Z",
"modified": "2024-05-23T13:58:19.080586Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2682,
"topic": "gcn.circular",
"uuid": "9a5dacd3-f5e4-4561-a112-68ebb2786272",
"title": "GRB 230903A: Swift detection of a burst",
"submitter": "Hop gcn.circular",
"authors": "K.L. Page at U Leicester <klp5@leicester.ac.uk>",
"data": {
"date": "23/09/03 17:46:24 GMT",
"from": "K.L. Page at U Leicester <klp5@leicester.ac.uk>",
"title": "GCN CIRCULAR",
"number": "34610",
"subject": "GRB 230903A: Swift detection of a burst"
},
"message_text": "\nA. D'Ai (INAF-IASFPA), E. Ambrosi (INAF-IASFPA), J.D. Gropp (PSU),\nJ. A. Kennea (PSU), A. Y. Lien (U Tampa), A. Melandri (INAF-OAR),\nM. J. Moss (GWU), D. M. Palmer (LANL) and A. Tohuvavohu (U Toronto)\nreport on behalf of the Neil Gehrels Swift Observatory Team:\n\nAt 17:22:56 UT, the Swift Burst Alert Telescope (BAT) triggered and\nlocated GRB 230903A (trigger\u001189514). Swift slewed immediately to the burst.\nThe BAT on-board calculated location is\nRA, Dec 9.926, -40.924 which is\n RA(J2000) = 00h 39m 42s\n Dec(J2000) = -40d 55' 25\"\nwith an uncertainty of 3 arcmin (radius, 90% containment, including\nsystematic uncertainty). The BAT light curve showed a complex\nstructure with a duration of about 10 sec. The peak count rate\nwas ~1500 counts/sec (15-350 keV), at ~1 sec after the trigger.\n\nThe XRT began observing the field at 17:24:47.9 UT, 111.7 seconds after\nthe BAT trigger. Using promptly downlinked data we find a fading,\nuncatalogued X-ray source with an enhanced position: RA, Dec 9.91169,\n-40.94930 which is equivalent to:\n RA(J2000) = 00h 39m 38.81s\n Dec(J2000) = -40d 56' 57.5\"\nwith an uncertainty of 1.9 arcseconds (radius, 90% containment). This\nlocation is 99 arcseconds from the BAT onboard position, within the BAT\nerror circle. This position may be improved as more data are received;\nthe latest position is available at https://www.swift.ac.uk/sper.\n\nA power-law fit to a spectrum formed from promptly downlinked event\ndata gives a column density in excess of the Galactic value (2.68 x\n10^20 cm^-2, Willingale et al. 2013), with an excess column of 2.6\n(+2.17/-1.93) x 10^21 cm^-2 (90% confidence).\n\nUVOT took a finding chart exposure of 250 seconds with the U filter starting\n117 seconds after the BAT trigger. No credible afterglow candidate has been\nfound in the initial data products. The 2.7'x2.7' sub-image covers 100% of the\nXRT error circle. The typical 3-sigma upper limit has been about 19.2 mag. The\n8'x8' region for the list of sources generated on-board covers 100% of the XRT\nerror circle. The list of sources is typically complete to about 18.0 mag.\n\nBurst Advocate for this burst is A. D'Ai (antonino.dai AT inaf.it).\nPlease contact the BA by email if you require additional information\nregarding Swift followup of this burst. In extremely urgent cases, after\ntrying the Burst Advocate, you can contact the Swift PI by phone (see\nSwift TOO web site for information: http://www.swift.psu.edu/)\n\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkzNzYzMTkwLCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.Q_85KiJPj-kIqBeb569q0-SKmtwv8cEKaPhNueVojaU\n\n",
"published": "2023-09-03T17:46:36.061630Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-09-03T17:46:36.061646Z",
"modified": "2023-09-03T17:46:36.066137Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9115,
"topic": "lvk-users.beccatest",
"uuid": "12763b79-6d1b-4e67-8dcc-78e441f89f47",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"L1"
],
"time": [
1400507900
],
"range": 166.31216559388815
},
"message_text": "",
"published": "2024-05-23T13:58:20.095365Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T13:58:20.095387Z",
"modified": "2024-05-23T13:58:20.095395Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9116,
"topic": "lvk-users.beccatest",
"uuid": "3d49d668-4f29-4507-8e76-6c828930ff79",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"V1"
],
"time": [
1400507900
],
"range": 50.09522583866733
},
"message_text": "",
"published": "2024-05-23T13:58:26.117075Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T13:58:26.117097Z",
"modified": "2024-05-23T13:58:26.117106Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9117,
"topic": "lvk-users.beccatest",
"uuid": "9eb9e413-f2f2-4a27-a1f4-e15f94fb306b",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"H1"
],
"time": [
1400508000
],
"range": 149.4329504742723
},
"message_text": "",
"published": "2024-05-23T13:59:59.494444Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T13:59:59.494465Z",
"modified": "2024-05-23T13:59:59.494474Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9118,
"topic": "lvk-users.beccatest",
"uuid": "58cdbec9-f656-46df-b13e-f6ab01ecb993",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"L1"
],
"time": [
1400508000
],
"range": 166.20285617479013
},
"message_text": "",
"published": "2024-05-23T14:00:00.509359Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T14:00:00.509380Z",
"modified": "2024-05-23T14:00:00.509388Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9119,
"topic": "lvk-users.beccatest",
"uuid": "eb02af76-38b1-4434-b193-e44258cb8bbd",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"V1"
],
"time": [
1400508000
],
"range": 50.0519390048252
},
"message_text": "",
"published": "2024-05-23T14:00:09.596277Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T14:00:09.596303Z",
"modified": "2024-05-23T14:00:09.596311Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1800,
"topic": "gcn.circular",
"uuid": "d25974e0-b7aa-4f6d-8b63-3bcbc67e79c7",
"title": "GRB 230803A: Fermi GBM Final Real-time Localization",
"submitter": "Hop gcn.circular",
"authors": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
"data": {
"date": "23/08/03 01:37:47 GMT",
"from": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
"title": "GCN CIRCULAR",
"number": "34325",
"subject": "GRB 230803A: Fermi GBM Final Real-time Localization"
},
"message_text": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 01:27:08 UT on 3 Aug 2023, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 230803A (trigger 712718833.154354 / 230803061).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 158.4, Dec = -64.4 (J2000 degrees, equivalent to J2000 10h 33m, -64d 24'), with a statistical uncertainty of 3.3 degrees.\n\nThe angle from the Fermi LAT boresight is 66.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230803061/quicklook/glg_skymap_all_bn230803061.png\n\nThe HEALPix FITS file, including the estimated localization systematic, can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230803061/quicklook/glg_healpix_all_bn230803061.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230803061/quicklook/glg_lc_medres34_bn230803061.gif\n\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkxMDI2NjcxLCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.R0yTVkIjMk0-yBFZr0yq-DlGB7Nff_rWFUwXrR61AJQ\n\n",
"published": "2023-08-03T01:37:57.327130Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-03T01:37:57.327162Z",
"modified": "2023-08-03T01:37:57.333740Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1801,
"topic": "gcn.circular",
"uuid": "45d4526d-be4d-4339-b76f-37ff09487294",
"title": "Fermi trigger No 712718833: 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": "23/08/03 02:15:33 GMT",
"from": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>",
"title": "GCN CIRCULAR",
"number": "34326",
"subject": "Fermi trigger No 712718833: 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-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 GRB230803.06 (trigger No 712718833,10h 33m 38.40s , -64d 22m 48.0s, R=3.33) errorbox 566 sec after notice time and 602 sec after trigger time at 2023-08-03 01:37:10 UT, with upper limit up to 15.2 mag. The observations began at zenith distance = 83 deg. The sun altitude is -48.7 deg.\n\nThe galactic latitude b = -6 deg., longitude l = 289 deg.\n\n\nReal time updated cover map and OT discovered available here:\nhttps://master.sai.msu.ru/site/master2/observ.php?id\"49288\n\nWe obtain a following upper limits.\n\nTmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____________________|____________________________________|_____|_______|_______|________\n\n 632 | 2023-08-03 01:37:10 | MASTER-SAAO | (10h 31m 29.69s , -64d 13m 16.9s) | C | 60 | 14.0 |\n 692 | 2023-08-03 01:37:10 | MASTER-SAAO | (10h 31m 29.69s , -64d 13m 16.9s) | C | 180 | 14.0 | Coadd\n 632 | 2023-08-03 01:37:10 | MASTER-SAAO | (10h 33m 24.96s , -64d 14m 58.3s) | C | 60 | 14.9 |\n 692 | 2023-08-03 01:37:10 | MASTER-SAAO | (10h 33m 24.97s , -64d 14m 57.9s) | C | 180 | 15.2 | Coadd\n 723 | 2023-08-03 01:38:41 | MASTER-SAAO | (10h 31m 23.52s , -64d 13m 50.9s) | C | 60 | 13.4 |\n 723 | 2023-08-03 01:38:41 | MASTER-SAAO | (10h 33m 18.65s , -64d 15m 33.1s) | C | 60 | 14.6 |\n 803 | 2023-08-03 01:40:00 | MASTER-SAAO | (10h 31m 24.53s , -64d 12m 54.1s) | C | 60 | 13.6 |\n 803 | 2023-08-03 01:40:00 | MASTER-SAAO | (10h 33m 19.47s , -64d 14m 36.0s) | C | 60 | 14.8 |\n 894 | 2023-08-03 01:41:32 | MASTER-SAAO | (10h 31m 30.04s , -64d 13m 54.6s) | C | 60 | 13.6 |\n 894 | 2023-08-03 01:41:32 | MASTER-SAAO | (10h 33m 24.97s , -64d 15m 37.3s) | C | 60 | 14.6 |\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.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkxMDI4OTM5LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.cnZSkAI_oQjabgNi8AGUH3PbT-29oHyLv70AScUT9Rk\n\n",
"published": "2023-08-03T02:15:45.259083Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-03T02:15:45.259102Z",
"modified": "2023-08-03T02:15:45.267740Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1802,
"topic": "igwn.gwalert",
"uuid": "9621bcc9-953c-46cd-afb7-dcd17d5d33ea",
"title": "S230803d - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230803d/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230803d/view/"
},
"event": {
"far": 1.141323282384785e-06,
"time": "2023-08-03T03:34:12.417Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1087.7245641936727,
"area_90": 4284.594058803007,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.04264138160689884,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "95f7e5dc9abc21584563379f9c53e4a0",
"classification": {
"BBH": 0.626109394041368,
"BNS": 5.3686106590968215e-14,
"NSBH": 3.717582986250523e-12,
"Terrestrial": 0.3738906059548607
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-08-03T03:34:38Z",
"superevent_id": "S230803d",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-03T03:34:39.328305Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-03T03:34:39.328348Z",
"modified": "2023-08-03T03:34:39.335416Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1803,
"topic": "igwn.gwalert",
"uuid": "30512bad-c995-4a54-839c-52440f9a974d",
"title": "S230803d - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230803d/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230803d/view/"
},
"event": {
"far": 1.316182e-05,
"time": "2023-08-03T03:34:12.403Z",
"group": "CBC",
"search": "AllSky",
"area_50": 789.5654967324053,
"area_90": 3436.068183494517,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.007151515151515151,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "cf9c0208718ef55a2122c2e0e2527f6a",
"classification": {
"BBH": 0.037934067,
"BNS": 0.0,
"NSBH": 1.702e-06,
"Terrestrial": 0.962064229
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-03T03:39:14Z",
"superevent_id": "S230803d",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-03T03:39:15.007299Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-03T03:39:15.007324Z",
"modified": "2023-08-03T03:39:15.013903Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1804,
"topic": "gcn.circular",
"uuid": "bfbbddfa-a011-4c25-944e-a72277537b2a",
"title": "LIGO/Virgo/KAGRA S230802aq: AstroSat CZTI non-detection and upper limits",
"submitter": "Hop gcn.circular",
"authors": "Gaurav Waratkar at IIT Bombay <gauravwaratkar@iitb.ac.in>",
"data": {
"date": "23/08/03 05:28:49 GMT",
"from": "Gaurav Waratkar at IIT Bombay <gauravwaratkar@iitb.ac.in>",
"title": "GCN CIRCULAR",
"number": "34327",
"subject": "LIGO/Virgo/KAGRA S230802aq: AstroSat CZTI non-detection and upper limits"
},
"message_text": "G. Waratkar (IITB), V. Bhalerao (IITB), M. Dixit (IITB), D. Bhattacharya (Ashoka University/IUCAA), A. R. Rao (TIFR), S. Vadawale (PRL) report on behalf of the AstroSat CZTI collaboration:\n\nWe have carried out a search for X-ray candidates in Astrosat CZTI data in a 100-sec window around the trigger time of the event S230802aq (UTC 2023-08-02 11:33:59, GraceDB event). We use the bayestar.multiorder.fits,0 map (https://gracedb.ligo.org/api/superevents/S230802aq/files/bayestar.multiorder.fits,0) for our analysis. CZTI is a coded aperture mask instrument that has a considerable effective area for about 29% of the entire sky but is also sensitive to brighter transients from the entire sky. At the time of the merger, Astrosat's nominal pointing is RA, DEC = 17:22:28.7, -41:35:57.7 (260.6196,-41.5994), which is ~128 deg away from the maximum probability location. At the time of the merger event, the Earth-satellite-transient angle corresponding to the maximum probability location is ~53 deg and is occulted by Earth in the satellite's frame. In a time interval of 100 sec around the event, the region of the localization map not occulted by Earth in the satellite's frame has a total probability of 0.70 (70%) of containing the source.\n\nCZTI data were de-trended to remove orbit-wise background variation. We then searched data from the four independent, identical quadrants for coincident spikes in the count rates. Searches were undertaken by binning the data in 0.1s, 1s, and 10s respectively. Statistical fluctuations in background count rates were estimated by using data from 5 preceding orbits. We selected confidence levels such that the probability of a false trigger in a 100-sec window is 10^-4. We do not find any evidence for any hard X-ray transient in this window, in the CZTI energy range of 20-200 keV.\n\nWe use a detailed mass model of the satellite to calculate the direction-dependent instrument response for points in the visible sky. We then assume the source is modeled as a power law with photon index alpha = -1, and convert our count rate upper limits to direction-dependent flux limits. We obtain the following upper limits for source flux in the 20-200 keV band by taking a probability-weighted mean over the visible sky:\n\n0.1 s: flux limit= 1.68e-05 ergs/cm^2/s; fluence limit = 1.68e-06 ergs/cm^2\n1.0 s: flux limit= 3.31e-06 ergs/cm^2/s; fluence limit = 3.31e-06 ergs/cm^2\n10.0 s: flux limit= 3.84e-07 ergs/cm^2/s; fluence limit = 3.84e-06 ergs/cm^2\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=emgw\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkxMDQwNTM1LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.bnwPZIL8feYU5oKRnwHANgHv-4uJfNRSfU96HnCUWdk\n\n",
"published": "2023-08-03T05:29:02.894406Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-03T05:29:02.894435Z",
"modified": "2023-08-03T05:29:02.902696Z",
"nonlocalizedevents": [
{
"event_id": "S230802a"
}
],
"targets": []
},
{
"id": 1805,
"topic": "gcn.circular",
"uuid": "334f3363-bae0-4d6b-98e8-c466c887fd73",
"title": "GRB 230803A: AstroSat CZTI detection",
"submitter": "Hop gcn.circular",
"authors": "Gaurav Waratkar at IIT Bombay <gauravwaratkar@iitb.ac.in>",
"data": {
"date": "23/08/03 12:04:58 GMT",
"from": "Gaurav Waratkar at IIT Bombay <gauravwaratkar@iitb.ac.in>",
"title": "GCN CIRCULAR",
"number": "34328",
"subject": "GRB 230803A: 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 ML pipeline (Abraham et al., 2021, MNRAS, 504, 3084) and the CIFT framework (Sharma et al., 2021, JApA, 42, 73) showed the detection of a bright long GRB 230803A which was also detected by Fermi (Fermi GBM Team, GCN Circ. 34325).\n\nThe source was clearly detected in the 20-200 keV energy range. The light curve showed multiple peaks of emission with the strongest peak at 2023-08-03 01:28:42.50 UTC. The measured peak count rate associated with the burst is 783 (+56, -59) counts/s above the background in the combined data of all quadrants, with a total of 5492 (+498, -481) counts. The local mean background count rate was 430 (+3, -3) counts/s. Using cumulative rates, we measure a T90 of 25 (+2, -1) s. In the preliminary analysis, we find 371 Compton events associated with this event.\n\nThe source was also clearly detected in the CsI anticoincidence (Veto) detector in the 100-500 keV energy range. The light curve showed multiple peaks of emission with the strongest peak at 2023-08-03 01:28:42.63 UTC. The measured peak count rate associated with the burst is 2196 (+97, -102) counts/s above the background in the combined data of all quadrants, with a total of 15329 (+934, -934) counts. The local mean background count rate was 1365 (+7, -5) counts/s. We measure a T90 of 26 (+2, -1) s from the cumulative Veto light curve.\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---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkxMDY0MzA0LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.PYmvd6jAxfjOhMMko9o_qLrbGpTb_Etyrr1FUQINFlk\n\n",
"published": "2023-08-03T12:05:11.654356Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-03T12:05:11.654374Z",
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{
"id": 2529,
"topic": "igwn.gwalert",
"uuid": "fdc4f1ae-6314-41ba-8112-3947fac06203",
"title": "S230827bj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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"sequence_num": 2,
"time_created": "2023-08-27T17:16:18Z",
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"published": "2023-08-27T17:16:19.031801Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-27T17:16:19.031825Z",
"modified": "2023-08-27T17:16:19.035304Z",
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{
"id": 4238,
"topic": "igwn.gwalert",
"uuid": "94671998-da44-43eb-9b7e-845a0c4bd57e",
"title": "S231028bg - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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"time": "2023-10-28T15:30:06.253Z",
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"sequence_num": 2,
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"published": "2023-10-31T23:27:48.504130Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-10-31T23:27:48.504155Z",
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{
"id": 9120,
"topic": "lvk-users.beccatest",
"uuid": "fdaca12c-b462-4b15-8687-c2b1475520f3",
"title": "Generic Message",
"submitter": "",
"authors": "",
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1400508100
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"message_text": "",
"published": "2024-05-23T14:01:39.792122Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T14:01:39.792144Z",
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{
"id": 1806,
"topic": "gcn.circular",
"uuid": "d11b1ca6-c8aa-4963-b463-a6918c1a7e36",
"title": "GRB 230802A: Swift/UVOT Upper Limits",
"submitter": "Hop gcn.circular",
"authors": "Sam LaPorte at PSU <sjl5346@psu.edu>",
"data": {
"date": "23/08/03 13:59:26 GMT",
"from": "Sam LaPorte at PSU <sjl5346@psu.edu>",
"title": "GCN CIRCULAR",
"number": "34329",
"subject": "GRB 230802A: Swift/UVOT Upper Limits"
},
"message_text": "GRB 230802A: Swift/UVOT Upper Limits\n\nS. J. LaPorte (PSU) and N. J. Klingler (GSFC/UMBC/CRESSTII)\nreport on behalf of the Swift/UVOT team:\n\nThe Swift/UVOT began settled observations of the field of GRB 230802A\n73 s after the BAT trigger (Klingler et al., GCN Circ. 34313).\nNo optical afterglow consistent with the XRT position\n(Evans et al., GCN Circ. 34317)\nis detected in the initial UVOT exposures.\nPreliminary 3-sigma upper limits using the UVOT photometric system\n(Breeveld et al. 2011, AIP Conf. Proc. 1358, 373) for the first\nfinding chart (FC) exposure and subsequent exposures are:\n\nFilter T_start(s) T_stop(s) Exp(s) Mag\n\nwhite_FC 73 223 147 >20.0\nu_FC 286 535 246 >19.5\nwhite 73 1186 353 >20.5\nv 615 1581 117 >18.4\nb 541 1506 97 >19.2\nu 286 5048 492 >19.7\n\nThe magnitudes in the table are not corrected for the Galactic extinction\ndue to the reddening of E(B-V) = 0.614 in the direction of the burst\n(Schlegel et al. 1998).\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkxMDcxMTcyLCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.ARDqS7C6Ndgg0CUhp-kY7ob5n7BaWv5jX5WBOa0RJfw\n\n",
"published": "2023-08-03T13:59:38.411152Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-03T13:59:38.411170Z",
"modified": "2023-08-03T13:59:38.418180Z",
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{
"id": 1807,
"topic": "gcn.circular",
"uuid": "f33e6f0a-e9ce-4d4f-ac0e-086a9e7340d6",
"title": "IPN triangulation of GRB 230803A",
"submitter": "Hop gcn.circular",
"authors": "Anna Ridnaia at Ioffe Institute <ridnaia@mail.ioffe.ru>",
"data": {
"date": "23/08/03 20:39:17 GMT",
"from": "Anna Ridnaia at Ioffe Institute <ridnaia@mail.ioffe.ru>",
"title": "GCN CIRCULAR",
"number": "34330",
"subject": "IPN triangulation of GRB 230803A"
},
"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\nA. Ridnaia, D. Frederiks, D. Svinkin, A. Lysenko,\nand T. Cline on behalf of the Konus-Wind team,\n\nA. Goldstein, M. S. Briggs, C. Wilson-Hodge,\nand E. Burns on behalf of the Fermi GBM team,\n\nE. Bozzo and C. Ferrigno, on behalf of the INTEGRAL SPI-ACS GRB team,\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 long-duration GRB 230803A\n(Fermi GBM detection: Fermi GBM team, GCN 34325;\nAstroSat CZTI detection: Navaneeth et al., GCN 34328)\nhas been detected by Fermi (GBM), Konus-Wind,\nINTEGRAL (SPI-ACS), AstroSat (CZTI), and\nMars-Odyssey (HEND), so far, at about 5228 s UT (01:27:08).\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 150.510 (10h 02m 02s) -64.987 (-64d 59' 12\")\n Corners:\n 147.455 (09h 49m 49s) -64.554 (-64d 33' 15\")\n 147.329 (09h 49m 19s) -64.581 (-64d 34' 51\")\n 153.688 (10h 14m 45s) -65.347 (-65d 20' 50\")\n 153.812 (10h 15m 15s) -65.315 (-65d 18' 54\")\n ---------------------------------------------\nThe error box area is 431 sq. arcmin, and its maximum\ndimension is 2.8 deg (the minimum one is 3 arcmin).\nThe Sun distance was 83 deg.\n\nThe IPN localization is consistent with, but reduces\nthe area of, the Fermi-GBM final localization (GCN 34325).\n\nThis localization may be improved.\n\nA triangulation map and HEALPix FITS file are posted at\nhttp://www.ioffe.ru/LEA/GRBs/GRB230803_T05229/IPN/\n\nThe Konus-Wind time history and spectrum will be given\nin a forthcoming GCN Circular.\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkxMDk1MTYzLCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.Tt3zgFo5NU-G0SaUyQXJtmrj8nGlm2EIesVCldYcrAE\n\n",
"published": "2023-08-03T20:39:33.510937Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-03T20:39:33.510956Z",
"modified": "2023-08-03T20:39:33.519091Z",
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{
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"topic": "igwn.gwalert",
"uuid": "34c29c59-c917-4dd2-8d0c-675cb70560aa",
"title": "S230827bl - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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"published": "2023-08-27T17:24:29.964301Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-27T17:24:29.964324Z",
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"topic": "igwn.gwalert",
"uuid": "b3e50cf5-1e13-4275-b62c-2ad69bb006a6",
"title": "S230827bl - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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"sequence_num": 2,
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},
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"published": "2023-08-27T17:29:03.865627Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-27T17:29:03.865649Z",
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{
"id": 2532,
"topic": "gcn.circular",
"uuid": "45c4849c-aa93-4339-acc7-4866dfbd474f",
"title": "AT 2023qxj: ZTF discovery of the likely afterglow of Fermi GRB 230827256",
"submitter": "Hop gcn.circular",
"authors": "jlv93@cornell.edu",
"data": {
"date": "23/08/27 17:43:38 GMT",
"from": "jlv93@cornell.edu",
"title": "GCN CIRCULAR",
"number": "34574",
"subject": "AT 2023qxj: ZTF discovery of the likely afterglow of Fermi GRB 230827256"
},
"message_text": "Maggie L. Li, Jada L. Vail, Anna Y. Q. Ho (Cornell University), Michael Coughlin (University of Minnesota), Daniel Perley (LJMU), Anirudh Salgundi, Vishwajeet Swain, Gaurav Waratkar (IITB)\n\nWe report the discovery of a fast-evolving red transient by the Zwicky Transient Facility (ZTF). The transient is coincident with Fermi GRB 230827256 (trigger 714809315).\n\nAT 2023qxj (ZTF23abaanxz) was discovered at the position (J2000) of:\n\n RA = 19:58:33.55 (299.6397739 deg)\n Dec = +54:27:48.02 (54.4633396 deg)\n\non 2023-08-27 07:10:10.94 UT by ZTF at r = 17.11 +/- 0.04 mag (MJD`183.26872). ZTF obtained a non-detection 1 day prior (MJD`182.26553) at r > 20.18 mag, indicating a fast rise rate of >3 mag/day in r. ZTF also obtained detections later that night at r = 18.88 +/- 0.08 mag (MJD`183.33919) and g = 19.27 +/- 0.16 mag (MJD`183.40719), implying that the transient was red and fading quickly.\n\nThe Galactic latitude of AT 2023qxj is 12.8 degrees, and the Galactic reddening toward the direction of AT 2023qxj is: E_(g-r) = 0.227 from Schlafly & Finkbeiner (2011).\n\nThe fast rise, fast decay, red color, and lack of archival optical counterpart of AT 2023qxj make it a strong candidate afterglow. We identify the coincident GRB 230827256 discovered by Fermi at the position (J2000) of:\n\n RA = 19:57:16.8\n Dec = +56:28:12\n\nwith an error radius of 2.17 deg. The time of the GRB trigger was 2023-08-27 06:08:31 UT (MJD`183.25591), 18.45 minutes prior to the first ZTF detection of AT 2023qxj.\n\nZTF is supported by the National Science Foundation under Grant No. AST-2034437 and a collaboration including Caltech, IPAC, the Weizmann Institute for Science, the Oskar Klein Center at Stockholm University, the University of Maryland, Deutsches Elektronen-Synchrotron and Humboldt University, the TANGO Consortium of Taiwan, the University of Wisconsin at Milwaukee, Trinity College Dublin, Lawrence Livermore National Laboratories, and IN2P3, France. Operations are conducted by COO, IPAC, and UW.\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkzMTU4MjIzLCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.JPvlliRTB3yECJzJDqGETkc_aAxye22d67kK6LumQcc\n\n",
"published": "2023-08-27T17:43:53.769934Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-27T17:43:53.769964Z",
"modified": "2023-08-27T17:43:53.781363Z",
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{
"id": 2533,
"topic": "igwn.gwalert",
"uuid": "05d3f79c-0a94-4cb4-9a69-98fd6750395d",
"title": "S230827bo - PRELIMINARY",
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"published": "2023-08-27T17:57:39.278654Z",
"message_parser": "IGWN Alert Avro Parser v1",
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"created": "2023-08-27T17:57:39.278676Z",
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{
"id": 2534,
"topic": "igwn.gwalert",
"uuid": "ae7b3c77-c639-4115-bddc-88c8ba674d9f",
"title": "S230827bo - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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"title": "S240426bz - PRELIMINARY",
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"authors": "LVK",
"data": {
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{
"id": 1811,
"topic": "gcn.circular",
"uuid": "642f45ac-ff30-4b01-881c-cd8116616821",
"title": "GRB 230804A: Fermi GBM Final Real-time Localization",
"submitter": "Hop gcn.circular",
"authors": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
"data": {
"date": "23/08/04 06:49:23 GMT",
"from": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
"title": "GCN CIRCULAR",
"number": "34332",
"subject": "GRB 230804A: Fermi GBM Final Real-time Localization"
},
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"published": "2023-08-04T06:49:38.930223Z",
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"topic": "igwn.gwalert",
"uuid": "955ae89c-1f19-4b75-8e32-be8bf18ef3cf",
"title": "S230804ao - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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"title": "S230804ao - PRELIMINARY",
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{
"id": 1818,
"topic": "gcn.circular",
"uuid": "123bbee6-0dd0-447a-bfff-2cb9e7bac934",
"title": "GRB 230802A: Swift-BAT refined analysis",
"submitter": "Hop gcn.circular",
"authors": "Sibasish Laha at NASA-GSFC <slaha@umbc.edu>",
"data": {
"date": "23/08/04 14:09:21 GMT",
"from": "Sibasish Laha at NASA-GSFC <slaha@umbc.edu>",
"title": "GCN CIRCULAR",
"number": "34333",
"subject": "GRB 230802A: Swift-BAT refined analysis"
},
"message_text": "S. D. Barthelmy (GSFC), H. A. Krimm (NSF),\nS. Laha (GSFC/UMBC), A. Y. Lien (U Tampa),\nC. B. Markwardt (GSFC),D. M. Palmer (LANL),\nT. Parsotan (GSFC/UMBC),T. Sakamoto (AGU),\nM. Stamatikos (OSU) (i.e. the Swift-BAT team):\n\nUsing the data set from T-240 to T+962 sec from the recent telemetry\ndownlink,\nwe report further analysis of BAT GRB 230802A (trigger #1182085)\n(Klingler et al., GCN Circ. 34313). The BAT ground-calculated position is\nRA, Dec = 76.232, 19.552 deg which is\n RA(J2000) = 05h 04m 55.6s\n Dec(J2000) = +19d 33' 06.3\"\nwith an uncertainty of 1.0 arcmin, (radius, sys+stat, 90% containment).\nThe partial coding was 99%.\n\nThe BAT light curve shows a complex structure with a duration of ~ 200 sec.\nT90 (15-350 keV) is 175.62 +- 18.26 sec (estimated error including\nsystematics).\n\nThe time-averaged spectrum from T-6.04 to T+230.70 sec is best fit by a\nsimple\npower-law model. The power law index of the time-averaged spectrum is\n1.60 +- 0.07. The fluence in the 15-150 keV band is 5.0 +- 0.2 x 10^-06\nerg/cm2.\nThe 1-sec peak photon flux measured from T+0.60 sec in the 15-150 keV band\nis 2.3 +- 0.2 ph/cm2/sec. All the quoted errors are at the 90% confidence\nlevel.\n\nThe results of the batgrbproduct analysis are available at\nhttp://gcn.gsfc.nasa.gov/notices_s/1182085/BA/\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkxMTU4MTY3LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.7ZhQHCfC15Mz5Kpapo20geJz1w4uf9MRXjsp4DZu4aU\n\n",
"published": "2023-08-04T14:09:33.858247Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-04T14:09:33.858275Z",
"modified": "2023-08-04T14:09:33.864888Z",
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{
"id": 1819,
"topic": "gcn.circular",
"uuid": "15d396eb-de6c-4c8d-ae33-f32ff348218e",
"title": "GRB 230802A: Fermi GBM observation",
"submitter": "Hop gcn.circular",
"authors": "Joe Mangan at IJCLab <joseph.mangan@ijclab.in2p3.fr>",
"data": {
"date": "23/08/04 15:39:21 GMT",
"from": "Joe Mangan at IJCLab <joseph.mangan@ijclab.in2p3.fr>",
"title": "GCN CIRCULAR",
"number": "34334",
"subject": "GRB 230802A: Fermi GBM observation"
},
"message_text": "C. de Barra (UCD), J.Mangan (CNRS/IJCLab) and C. Meegan (UAH)\nreport on behalf of the Fermi GBM Team:\n\n\"At 06:50:22.23 UT on 2 August 2023, the Fermi Gamma-Ray Burst Monitor (GBM)\ntriggered and located GRB 230802A (trigger 712651827 / 230802285),\nwhich was also detected by Swift BAT (N. J. Klingler et al. 2023, GCN 34313).\nThe Fermi GBM on-ground location is consistent with the Swift BAT position.\n\nThe angle from the Fermi LAT boresight at the GBM trigger time is 107 degrees.\n\nThe GBM light curve consists of a single peak\nwith a duration (T90) of about 38 s (50-300 keV)The time-averaged spectrum from -14.3s to 26.6 s is\nbest fit by a simple power law function with index -1.7 +/- 0.02.\n\nThe event fluence (10-1000 keV) in this time interval is\n(1.3 +/- 0.1)E-05 erg/cm^2. The 1-sec peak photon flux measured\nstarting from T0+4.4 s in the 10-1000 keV band\nis 5.6 +/- 0.4 ph/s/cm^2.\n\nThe spectral analysis results presented above are preliminary;\nfinal results will be published in the GBM GRB Catalog:\nhttps://heasarc.gsfc.nasa.gov/W3Browse/fermi/fermigbrst.html\n\nFor Fermi GBM data and info, please visit the official Fermi GBM Support Page:\nhttps://fermi.gsfc.nasa.gov/ssc/data/access/gbm/\"\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkxMTYzNTY3LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.pJ0Dhohf47Wq0jutGoj9FPkBeZ55HL3Ob7LeePrs6W4\n\n",
"published": "2023-08-04T15:39:35.869277Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-04T15:39:35.869293Z",
"modified": "2023-08-04T15:39:35.874492Z",
"nonlocalizedevents": [],
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{
"id": 1822,
"topic": "igwn.gwalert",
"uuid": "336033f0-66f5-46c9-b55e-0aaa8f496fd9",
"title": "S230804av - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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"sequence_num": 2,
"time_created": "2023-08-04T22:49:26Z",
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"message_text": "",
"published": "2023-08-04T22:49:27.457311Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-04T22:49:27.457335Z",
"modified": "2023-08-04T22:49:27.460731Z",
"nonlocalizedevents": [],
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{
"id": 9121,
"topic": "lvk-users.beccatest",
"uuid": "f2751559-960c-4940-a28c-bb5f1947b5ec",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
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"time": [
1400508100
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"range": 166.85232410014117
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"message_text": "",
"published": "2024-05-23T14:01:40.807390Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T14:01:40.807411Z",
"modified": "2024-05-23T14:01:40.807420Z",
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{
"id": 9122,
"topic": "lvk-users.beccatest",
"uuid": "c9dfe513-ea2e-4489-8b0a-982fd67d84ac",
"title": "Generic Message",
"submitter": "",
"authors": "",
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"range": 49.56001934212366
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"published": "2024-05-23T14:01:46.834122Z",
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{
"id": 9123,
"topic": "lvk-users.beccatest",
"uuid": "0247f7de-8c4c-4bcf-873d-55f75eb35a5e",
"title": "Generic Message",
"submitter": "",
"authors": "",
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"created": "2024-05-23T14:03:19.047774Z",
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{
"id": 1820,
"topic": "gcn.circular",
"uuid": "297d2e61-230a-4500-9738-d890990ebbaf",
"title": "GRB 230802B: AstroSat CZTI detection",
"submitter": "Hop gcn.circular",
"authors": "Gaurav Waratkar at IIT Bombay <gauravwaratkar@iitb.ac.in>",
"data": {
"date": "23/08/04 17:23:10 GMT",
"from": "Gaurav Waratkar at IIT Bombay <gauravwaratkar@iitb.ac.in>",
"title": "GCN CIRCULAR",
"number": "34335",
"subject": "GRB 230802B: AstroSat CZTI detection"
},
"message_text": "B. Pari (IITB), 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 GRB 230802B which was also detected by Fermi (Fermi GBM Team, GCN Circ. 34322).\n\nThe source was faintly detected in the 20-200 keV energy range in two quadrants. The light curve peaks at 2023-08-02 23:58:47.95 UTC. The measured peak count rate associated with the burst is 145.4 (+108.1, -8.4) counts/s above the background in the combined data of two quadrants, with a total of 169 (+54, -65) counts. The local mean background count rate was 151.0 (+5.2, -5.8) counts/s. Using cumulative rates, we measure a T90 of 2.7 (+0.8, -1.1) s.\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---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkxMTY5Nzk2LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.J0Py5WUXYAWDg03duB_rxcrvx0ntWem1GmqjXcLs24o\n\n",
"published": "2023-08-04T17:23:24.586716Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-04T17:23:24.586747Z",
"modified": "2023-08-04T17:23:24.593285Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1821,
"topic": "igwn.gwalert",
"uuid": "b11936b4-80b8-461c-aa26-49bcc2a08ae0",
"title": "S230804av - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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"sequence_num": 1,
"time_created": "2023-08-04T22:44:49Z",
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},
"message_text": "",
"published": "2023-08-04T22:44:50.582887Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-04T22:44:50.582918Z",
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},
{
"id": 2535,
"topic": "gcn.circular",
"uuid": "30300c93-a8c4-484e-bc61-bb676e7fb1ba",
"title": "GRB 230827A: Fermi GBM Final Real-time Localization",
"submitter": "Hop gcn.circular",
"authors": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
"data": {
"date": "23/08/27 18:28:19 GMT",
"from": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
"title": "GCN CIRCULAR",
"number": "34575",
"subject": "GRB 230827A: Fermi GBM Final Real-time Localization"
},
"message_text": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 18:17:52 UT on 27 Aug 2023, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 230827A (trigger 714853077.93055 / 230827762).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 319.1, Dec = -23.9 (J2000 degrees, equivalent to J2000 21h 16m, -23d 53'), with a statistical uncertainty of 1.0 degrees.\n\nThe angle from the Fermi LAT boresight is 95.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230827762/quicklook/glg_skymap_all_bn230827762.png\n\nThe HEALPix FITS file, including the estimated localization systematic, can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230827762/quicklook/glg_healpix_all_bn230827762.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230827762/quicklook/glg_lc_medres34_bn230827762.gif\n\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkzMTYwOTA0LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.EUcjGv4wkEy9VRxW0olnh8geKAs7UzWT-vt08UNq9Zo\n\n",
"published": "2023-08-27T18:28:33.102972Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-27T18:28:33.102991Z",
"modified": "2023-08-27T18:28:33.107051Z",
"nonlocalizedevents": [],
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},
{
"id": 2670,
"topic": "igwn.gwalert",
"uuid": "4e551b08-6c0b-4a65-b0ce-74c0c8d827e4",
"title": "S230902bk - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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"published": "2023-09-02T22:46:33.017407Z",
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"retracted": false,
"created": "2023-09-02T22:46:33.017437Z",
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{
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"topic": "igwn.gwalert",
"uuid": "9284cefe-9d8c-4f90-af37-22e834649ba1",
"title": "S230912ai - PRELIMINARY",
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"authors": "LVK",
"data": {
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{
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"uuid": "bda402c5-2cae-4c56-abb6-a1ee89edae06",
"title": "S231029y - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
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"data": {
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"published": "2023-10-31T23:27:48.552755Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-10-31T23:27:48.552782Z",
"modified": "2023-10-31T23:27:48.557518Z",
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},
{
"id": 1823,
"topic": "igwn.gwalert",
"uuid": "8ca335ed-224e-48ea-a1c2-ef1c6253c465",
"title": "S230802aq - UPDATE",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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"gracedb": "https://gracedb.ligo.org/superevents/S230802aq/view/"
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"event": {
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"time": "2023-08-02T11:33:59.961Z",
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"area_50": 9003.942225825398,
"area_90": 25883.81601831239,
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"alert_type": "UPDATE",
"sequence_num": 4,
"time_created": "2023-08-04T23:03:13Z",
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"external_coinc": null
},
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"published": "2023-08-04T23:03:15.322996Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-04T23:03:15.323020Z",
"modified": "2023-08-04T23:03:15.329196Z",
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},
{
"id": 1824,
"topic": "gcn.circular",
"uuid": "1650c327-3610-450d-bc13-c77fe1a533c6",
"title": "LIGO/Virgo/KAGRA S230802aq: Updated Sky localization and EM Bright Classification",
"submitter": "Hop gcn.circular",
"authors": "carl.haster@unlv.edu",
"data": {
"date": "23/08/04 23:08:50 GMT",
"from": "carl.haster@unlv.edu",
"title": "GCN CIRCULAR",
"number": "34336",
"subject": "LIGO/Virgo/KAGRA S230802aq: Updated Sky localization and EM Bright Classification"
},
"message_text": "We have conducted further analysis of the LIGO Hanford Observatory (H1) data around the time of the compact binary merger (CBC) candidate S230802aq (GCN Circular 34314). Parameter estimation has been performed using Bilby [1] and a new sky map, Bilby.offline0.multiorder.fits,0, distributed via GCN Notice, is available for retrieval from the GraceDB event page:\n\nhttps://gracedb.ligo.org/superevents/S230802aq\n\nBased on posterior support from parameter estimation [1], under the assumption that the candidate S230802aq is astrophysical in origin, the probability that the lighter compact object is consistent with a neutron star mass (HasNS) is 9%. [2] Using the masses and spins inferred from the signal, the probability of matter outside the final compact object (HasRemnant) is <1%. [2] Both HasNS and HasRemnant consider the support of several neutron star equations of state. The probability that either of the binary components lies between 3 and 5 solar masses (HasMassgap) is 62%.\n\nFor the Bilby.offline0.multiorder.fits,0 sky map, the 90% credible region is 25885 deg2. Marginalized over the whole sky, the a posteriori luminosity distance estimate is 576 +/- 246 Mpc (a posteriori mean +/- standard deviation).\n\nFor further information about analysis methodology and the contents of this alert, refer to the LIGO/Virgo/KAGRA Public Alerts User Guide https://emfollow.docs.ligo.org/userguide/.\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkxMTkwNTM1LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.J8rjZ0IqhMNfXi24UW-FLzLfpvm7KayhQ5lf8klfNvw\n\n",
"published": "2023-08-04T23:09:00.394802Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-04T23:09:00.394821Z",
"modified": "2023-08-04T23:09:00.398302Z",
"nonlocalizedevents": [
{
"event_id": "S230802a"
}
],
"targets": []
},
{
"id": 6968,
"topic": "gcn.circular",
"uuid": "a61b863d-35da-4d54-82bc-9781d0fd216a",
"title": "LIGO/Virgo/KAGRA S240422ed: EP-FXT detection of a candidate counterpart EP240426a",
"submitter": "Hop gcn.circular",
"authors": "EP Team at NAOC/CAS <ep_ta@bao.ac.cn>",
"data": {
"date": "24/04/26 11:13:02 GMT",
"from": "EP Team at NAOC/CAS <ep_ta@bao.ac.cn>",
"urls": {
"gcn_circular": "https://gcn.nasa.gov/circulars/36313"
},
"title": "GCN CIRCULAR",
"number": "36313",
"subject": "LIGO/Virgo/KAGRA S240422ed: EP-FXT detection of a candidate counterpart EP240426a"
},
"message_text": "H. Sun, D. Y. Li (NAOC, CAS), Y. Chen, J. Guan, C. K. Li, S. M. Jia, H. S. Zhao, J. Zhang, M. Y. Ge, W. W. Cui, H. Feng, W. Li, C. Z. Liu, F. J. Lu, L. M. Song, J. Wang, J. J. Xu, D. W. Han, S. N. Zhang, X. F. Zhao (IHEP, CAS), C. C. Jin, J. W. Hu, M. Zhang, H. Q. Cheng, H. Y. Liu, Y. Liu, Z. X. Ling, C. Zhang, M. H. Huang, H. W. Pan, Y. F. Xu, W. Yuan, W. D. Zhang (NAOC, CAS), Y. C. Fu (BNU), B. Zhang (UNLV), V. Burwitz, P. Friedrich, N. Meidinger, K. Nandra, A. Rau (MPE), E. Kuulkers, A. Santovincenzo (ESA), P. O'Brien (Univ. of Leicester), B. Cordier (CEA), on behalf of the Einstein Probe team \n\nWe report on the detection of a possible X-ray counterpart candidate of S240422ed (The LIGO-Virgo-KAGRA Collaboration, GCN 36236), designated EP240426a, by the Follow-up X-ray telescope (FXT) on board the Einstein Probe (EP) mission. This source was found in a series of snapshots of EP-FXT targeting galaxies within the probable location of S240422ed. The observation started at 2024-04-26T04:23:21 (UTC) with an exposure time of 534 seconds.\n\nThe source is located within the 90% credible region of the updated LVK sky localization (The LIGO-Virgo-KAGRA Collaboration, GCN 36240). The position is R.A. = 121.8567 deg, Dec. = -29.4609 (R.A. = 08:07:25.61, Dec. = -29:27:39.2) with an uncertainty of 10\" (90% C.L. statistical and systematic). This position is 5.5 arcsec away from the galaxy 2MASX J08072584-2927344 at a luminosity distance of 188 Mpc. The absorption-corrected flux in 0.5-10 keV is about 9.2 x 10 ^-13 erg/s/cm2 assuming a power-law spectrum with a photon index of 2.0 with Galactic absorption. \n\nNo previously known X-ray sources are found within the error circle around this position. A flux upper limit set by the eRASS1 survey is 1.2 x 10^-13 erg/s/cm2 (99.9% C.L.) in 0.2-5.0 keV .\n\nFor any questions concerning this source please contact by email the Transient Advocates of EP240426a, H. Sun (hsun@nao.cas.cn) and D. Y. Li (dyli@nao.cas.cn) from the EP science center. Please note that EP-FXT is currently undergoing in-flight calibration, and the derived source parameters may be subject to larger uncertainties than quoted here; so please use them with caution. Launched on January 9, 2024, EP is a space X-ray observatory to monitor the soft X-ray sky with X-ray follow-up capability (Yuan et al. 2022, Handbook of X-ray and Gamma-ray Astrophysics). EP is a mission of the Chinese Academy of Sciences in collaboration with ESA, MPE and CNES. \n\n\nView this GCN Circular online at https://gcn.nasa.gov/circulars/36313.",
"published": "2024-04-26T11:13:16.167809Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2024-04-26T11:13:16.167828Z",
"modified": "2024-04-26T11:13:16.176785Z",
"nonlocalizedevents": [
{
"event_id": "S240422e"
}
],
"targets": []
},
{
"id": 1832,
"topic": "igwn.gwalert",
"uuid": "60e75107-55d9-437b-a202-12dd3382b449",
"title": "S230805w - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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"time": "2023-08-05T03:31:20.785Z",
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{
"id": 1833,
"topic": "igwn.gwalert",
"uuid": "a4917be6-96e3-433e-b182-c7135ab5c22f",
"title": "S230805w - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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{
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"topic": "igwn.gwalert",
"uuid": "95329bd7-3fa6-41d6-a9da-b43ab717f81a",
"title": "S230805x - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
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"data": {
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"area_90": 2392.826182497037,
"duration": null,
"pipeline": "gstlal",
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"BNS": 4.266885306706043e-20,
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"sequence_num": 1,
"time_created": "2023-08-05T03:43:16Z",
"superevent_id": "S230805x",
"external_coinc": null
},
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"published": "2023-08-05T03:43:17.389882Z",
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"retracted": false,
"created": "2023-08-05T03:43:17.389903Z",
"modified": "2023-08-05T03:43:17.393587Z",
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},
{
"id": 9124,
"topic": "lvk-users.beccatest",
"uuid": "d456a76d-00c7-48b8-8298-e2637db67f70",
"title": "Generic Message",
"submitter": "",
"authors": "",
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],
"time": [
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"range": 166.90013261641678
},
"message_text": "",
"published": "2024-05-23T14:03:20.067350Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T14:03:20.067370Z",
"modified": "2024-05-23T14:03:20.067378Z",
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},
{
"id": 1837,
"topic": "igwn.gwalert",
"uuid": "c836a750-5f62-4029-a537-71f070dcdfac",
"title": "S230805z - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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"time_created": "2023-08-05T04:16:26Z",
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},
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"published": "2023-08-05T04:16:28.140262Z",
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{
"id": 9125,
"topic": "lvk-users.beccatest",
"uuid": "921b482a-785a-4c04-b1da-4cc63e7dc649",
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"published": "2024-05-23T14:03:26.091603Z",
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"created": "2024-05-23T14:03:26.091624Z",
"modified": "2024-05-23T14:03:26.091632Z",
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},
{
"id": 1825,
"topic": "igwn.gwalert",
"uuid": "8fd3bfaf-8afd-4b99-817f-f3f6f3c0a765",
"title": "S230805c - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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},
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{
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"title": "S230805c - PRELIMINARY",
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"authors": "LVK",
"data": {
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},
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{
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"uuid": "b6743cba-b887-45dc-887a-2e2193547f60",
"title": "INTEGRAL follow-up of S230805c",
"submitter": "Volodymyr Savchenko",
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"data": {},
"message_text": "INTEGRAL follow-up of S230805c at 2023-08-05T00:03:39.000\n\n\nSPI-ACS excesses:\nat T0+3.04 FAP = 0.044\nat T0+-52.43 FAP = 0.195\nat T0+91.97 FAP = 0.377\nat T0+57.62 FAP = 0.717\nat T0+-24.33 FAP = 0.863\n\n\n\n\nnext break in data in 2.9 hr: 2023-08-05T02:55:52, for 10 hr",
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"title": "S230805k - PRELIMINARY",
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"title": "S230805k - PRELIMINARY",
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},
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{
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"title": "S230805s - PRELIMINARY",
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"data": {
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"gracedb": "https://gracedb.ligo.org/superevents/S230805s/view/"
},
"event": {
"far": 1.17836e-05,
"time": "2023-08-05T03:11:51.531Z",
"group": "Burst",
"search": "BBH",
"area_50": 1514.9250296061564,
"area_90": 5896.87715125366,
"duration": 0.017219,
"pipeline": "CWB",
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"instruments": [
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],
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"classification": {},
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},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-08-05T03:13:11Z",
"superevent_id": "S230805s",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T03:13:12.887302Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T03:13:12.887325Z",
"modified": "2023-08-05T03:13:12.890898Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1831,
"topic": "igwn.gwalert",
"uuid": "f41d737f-7382-4d2a-b5d9-e4898efeea87",
"title": "S230805s - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805s/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805s/view/"
},
"event": {
"far": 1.17836e-05,
"time": "2023-08-05T03:11:51.531Z",
"group": "Burst",
"search": "BBH",
"area_50": 1514.9250296061564,
"area_90": 5896.87715125366,
"duration": 0.017219,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "0fbdbdd48f49a32f2eac4de8f7da9d5c",
"classification": {},
"skymap_version": 0,
"central_frequency": 37.83839
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T03:18:17Z",
"superevent_id": "S230805s",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T03:18:17.872025Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T03:18:17.872045Z",
"modified": "2023-08-05T03:18:17.875383Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2671,
"topic": "igwn.gwalert",
"uuid": "a79c1606-6a33-42d2-b448-62aa4deeafc0",
"title": "S230902bk - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230902bk/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230902bk/view/"
},
"event": {
"far": 2.882041802492713e-06,
"time": "2023-09-02T22:45:55.710Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1041.563413707058,
"area_90": 5251.460338086272,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.04264138160689884,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "a2ae072416829da29b27ea1de9bc0ca6",
"classification": {
"BBH": 0.4061103055400319,
"BNS": 5.783277321615776e-14,
"NSBH": 4.1108311815972275e-12,
"Terrestrial": 0.5938896944557994
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-09-02T22:51:06Z",
"superevent_id": "S230902bk",
"external_coinc": null
},
"message_text": "",
"published": "2023-09-02T22:51:07.644736Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-09-02T22:51:07.644758Z",
"modified": "2023-09-02T22:51:07.648281Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1838,
"topic": "igwn.gwalert",
"uuid": "cfb07d6b-c46d-49ff-a3b6-79481a59437f",
"title": "S230805x - INITIAL",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805x/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230805x/view/"
},
"event": {
"far": 9.185882942507167e-09,
"time": "2023-08-05T03:42:49.972Z",
"group": "CBC",
"search": "AllSky",
"area_50": 644.3676961108735,
"area_90": 2235.0389771973378,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "acb501ced5a65b8d60bba34ebec0ade2",
"classification": {
"BBH": 0.9997500609143566,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.0002499390856434136
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "INITIAL",
"sequence_num": 3,
"time_created": "2023-08-05T04:30:39Z",
"superevent_id": "S230805x",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T04:30:40.247503Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T04:30:40.247523Z",
"modified": "2023-08-05T04:30:40.250988Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1839,
"topic": "gcn.circular",
"uuid": "23c4c320-b83d-4c94-a44f-360e755f8974",
"title": "LIGO/Virgo/KAGRA S230805x: Identification of a GW compact binary merger candidate",
"submitter": "Hop gcn.circular",
"authors": "ê³½ê·ì§ <kyujin.kwak.72@gmail.com>",
"data": {
"date": "23/08/05 04:40:29 GMT",
"from": "ê³½ê·ì§ <kyujin.kwak.72@gmail.com>",
"title": "GCN CIRCULAR",
"number": "34337",
"subject": "LIGO/Virgo/KAGRA S230805x: 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 S230805x during\nreal-time processing of data from LIGO Hanford Observatory (H1) and\nLIGO Livingston Observatory (L1) at 2023-08-05 03:42:49.972 UTC (GPS\ntime: 1375242187.972). The candidate was found by the CWB [1], GstLAL\n[2], MBTA [3], PyCBC Live [4], and SPIIR [5] analysis pipelines.\n\nS230805x is an event of interest because its false alarm rate, as\nestimated by the online analysis, is 9.2e-09 Hz, or about one in 3\nyears. The event's properties can be found at this URL:\n\nhttps://gracedb.ligo.org/superevents/S230805x\n\nThe classification of the GW signal, in order of descending\nprobability, is BBH (>99%), Terrestrial (<1%), BNS (<1%), or NSBH\n(<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%. [6] Using the masses and spins inferred from the\nsignal, the probability of matter outside the final compact object\n(HasRemnant) is <1%. [6] 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 <1%.\n\nTwo sky maps are available at this time and can be retrieved from the\nGraceDB event page:\n * bayestar.multiorder.fits,0, an initial localization generated by\nBAYESTAR [7], distributed via GCN notice about 26 seconds after the\ncandidate event time.\n * bayestar.multiorder.fits,1, an initial localization generated by\nBAYESTAR [7], distributed via GCN notice about 5 minutes after the\ncandidate event time.\n\nThe preferred sky map at this time is bayestar.multiorder.fits,1. For\nthe bayestar.multiorder.fits,1 sky map, the 90% credible region is\n2235 deg2. Marginalized over the whole sky, the a posteriori\nluminosity distance estimate is 3852 +/- 1193 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] Tsukada et al. arXiv:2305.06286 (2023) and Ewing et al.\narXiv:2305.05625 (2023)\n [3] Aubin et al. CQG 38, 095004 (2021)\n [4] Dal Canton et al. ApJ 923, 254 (2021)\n [5] Chu et al. PRD 105, 024023 (2022)\n [6] Chatterjee et al. ApJ 896, 54 (2020)\n [7] Singer & Price PRD 93, 024013 (2016)\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkxMjEwNDM1LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.JzvLMZI9kFBbL3OYVSycHAf2cTTkdDeahyL-HZA0rJg\n\n",
"published": "2023-08-05T04:40:43.808997Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-05T04:40:43.809016Z",
"modified": "2023-08-05T04:40:43.812639Z",
"nonlocalizedevents": [
{
"event_id": "S230805x"
}
],
"targets": []
},
{
"id": 1840,
"topic": "igwn.gwalert",
"uuid": "366a2216-8b49-462a-bfde-271c52d3c13d",
"title": "S230805ae - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805ae/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805ae/view/"
},
"event": {
"far": 1.67124e-05,
"time": "2023-08-05T04:40:32.926Z",
"group": "Burst",
"search": "BBH",
"area_50": 2975.295972273587,
"area_90": 10523.903017302822,
"duration": 0.029856,
"pipeline": "CWB",
"properties": {},
"instruments": [
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"L1"
],
"significant": false,
"skymap_hash": "204089e0445fbd781913c5f265578279",
"classification": {},
"skymap_version": 0,
"central_frequency": 44.042858
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-08-05T04:41:42Z",
"superevent_id": "S230805ae",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T04:41:44.150431Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T04:41:44.150452Z",
"modified": "2023-08-05T04:41:44.153880Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1841,
"topic": "igwn.gwalert",
"uuid": "ec8f8189-068b-4433-9f6d-685b772704f3",
"title": "S230805ae - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805ae/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805ae/view/"
},
"event": {
"far": 1.67124e-05,
"time": "2023-08-05T04:40:32.926Z",
"group": "Burst",
"search": "BBH",
"area_50": 2975.295972273587,
"area_90": 10523.903017302822,
"duration": 0.029856,
"pipeline": "CWB",
"properties": {},
"instruments": [
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"L1"
],
"significant": false,
"skymap_hash": "204089e0445fbd781913c5f265578279",
"classification": {},
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},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T04:46:17Z",
"superevent_id": "S230805ae",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T04:46:17.919617Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T04:46:17.919635Z",
"modified": "2023-08-05T04:46:17.922991Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1842,
"topic": "igwn.gwalert",
"uuid": "a315a14c-40cd-49f4-88d8-5183e0c9655c",
"title": "S230805ak - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805ak/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805ak/view/"
},
"event": {
"far": 7.09544e-06,
"time": "2023-08-05T06:04:22.756Z",
"group": "CBC",
"search": "AllSky",
"area_50": 487.6296078676881,
"area_90": 1900.7902829919906,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.24767626746153393,
"HasRemnant": 0.9162386150956999
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "268af1ea25e62880870a5f6bd522a47f",
"classification": {
"BBH": 0.0,
"BNS": 0.0,
"NSBH": 0.00253094,
"Terrestrial": 0.99746906
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-08-05T06:04:56Z",
"superevent_id": "S230805ak",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T06:04:57.170023Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T06:04:57.170045Z",
"modified": "2023-08-05T06:04:57.175608Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1843,
"topic": "igwn.gwalert",
"uuid": "f66f74f2-2fa2-4558-a1b0-95b3f0b1655f",
"title": "S230805ak - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805ak/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805ak/view/"
},
"event": {
"far": 7.09544e-06,
"time": "2023-08-05T06:04:22.756Z",
"group": "CBC",
"search": "AllSky",
"area_50": 487.6296078676881,
"area_90": 1900.7902829919906,
"duration": null,
"pipeline": "MBTA",
"properties": {
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"HasMassGap": 0.24767626746153393,
"HasRemnant": 0.9162386150956999
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "268af1ea25e62880870a5f6bd522a47f",
"classification": {
"BBH": 0.0,
"BNS": 0.0,
"NSBH": 0.00253094,
"Terrestrial": 0.99746906
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T06:09:31Z",
"superevent_id": "S230805ak",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T06:09:32.916601Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T06:09:32.916622Z",
"modified": "2023-08-05T06:09:32.920029Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1844,
"topic": "igwn.gwalert",
"uuid": "59ef8946-3974-4e2e-80c3-1363d19b6724",
"title": "S230805as - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805as/files/olib.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805as/view/"
},
"event": {
"far": 1.2955038163333733e-06,
"time": "2023-08-05T07:13:19.798Z",
"group": "Burst",
"search": "AllSky",
"area_50": 66.95989613200341,
"area_90": 507.9824787640588,
"duration": 0.001685298069504045,
"pipeline": "oLIB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "850aae21fe62ddc7fa7d8eb9ac40847c",
"classification": {},
"skymap_version": 0,
"central_frequency": 520.5463701612972
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-08-05T07:26:14Z",
"superevent_id": "S230805as",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T07:26:16.052623Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T07:26:16.052644Z",
"modified": "2023-08-05T07:26:16.058264Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1850,
"topic": "igwn.gwalert",
"uuid": "66083751-89e2-4063-831d-455783396bf8",
"title": "S230805ax - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805ax/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805ax/view/"
},
"event": {
"far": 3.558867774700047e-06,
"time": "2023-08-05T07:59:54.484Z",
"group": "CBC",
"search": "AllSky",
"area_50": 2303.021762459442,
"area_90": 7981.682565958199,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "4bb10048313963f9b17c3a7057b290d3",
"classification": {
"BBH": 0.0788712432894497,
"BNS": 0.0,
"NSBH": 0.20766809429269403,
"Terrestrial": 0.7134606624178563
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-08-05T08:00:28Z",
"superevent_id": "S230805ax",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T08:00:29.186000Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T08:00:29.186022Z",
"modified": "2023-08-05T08:00:29.189440Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9126,
"topic": "lvk-users.beccatest",
"uuid": "49a7f310-89f0-451c-a650-f300ec8a13e8",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"H1"
],
"time": [
1400508300
],
"range": 147.2797451729344
},
"message_text": "",
"published": "2024-05-23T14:04:59.501353Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T14:04:59.501374Z",
"modified": "2024-05-23T14:04:59.501382Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1845,
"topic": "gcn.circular",
"uuid": "27d33ff5-0167-4257-8b27-f8f290bf45ae",
"title": "GRB 230805A: Fermi GBM Final Real-time Localization",
"submitter": "Hop gcn.circular",
"authors": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
"data": {
"date": "23/08/05 07:26:53 GMT",
"from": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
"title": "GCN CIRCULAR",
"number": "34338",
"subject": "GRB 230805A: Fermi GBM Final Real-time Localization"
},
"message_text": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 07:16:16 UT on 5 Aug 2023, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 230805A (trigger 712912581.49606 / 230805303).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 44.7, Dec = 47.6 (J2000 degrees, equivalent to J2000 02h 58m, 47d 36'), with a statistical uncertainty of 6.5 degrees.\n\nThe angle from the Fermi LAT boresight is 77.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230805303/quicklook/glg_skymap_all_bn230805303.png\n\nThe HEALPix FITS file, including the estimated localization systematic, can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230805303/quicklook/glg_healpix_all_bn230805303.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230805303/quicklook/glg_lc_medres34_bn230805303.gif\n\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkxMjIwNDE4LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.ItDM2ULBAHO4JfJegjCvcNsv1m7dHyu-LbhttZp8spA\n\n",
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{
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"message_text": "INTEGRAL follow-up of S230917af at 2023-09-17T10:04:17.000\n\n\nSPI-ACS excesses:\nat T0+2.91 FAP = 0.165\nat T0+-5.72 FAP = 0.314\nat T0+-44.64 FAP = 0.697\nat T0+227.73 FAP = 0.797\nat T0+86.58 FAP = 0.948\n\n\n\n\nnext break in data in 47 hr: 2023-09-19T09:23:29, for about 9 hr",
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"title": "INTEGRAL follow-up of S230816v",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
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"published": "2023-09-21T22:06:09.617124Z",
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{
"id": 1855,
"topic": "gcn.circular",
"uuid": "f92d6d33-ce4a-44a1-a3ff-cd9c34aafdd8",
"title": "GRB 230805B: Swift detection of a burst",
"submitter": "Hop gcn.circular",
"authors": "Jamie Kennea at Penn State U <jak51@psu.edu>",
"data": {
"date": "23/08/05 11:49:08 GMT",
"from": "Jamie Kennea at Penn State U <jak51@psu.edu>",
"title": "GCN CIRCULAR",
"number": "34339",
"subject": "GRB 230805B: Swift detection of a burst"
},
"message_text": "\nS. B. Cenko (GSFC), A. D'Ai (INAF-IASFPA),\nV. D'Elia (SSDC & INAF-OAR), J.D. Gropp (PSU), J. A. Kennea (PSU),\nH. A. Krimm (NSF), N. P. M. Kuin (UCL-MSSL), S. Laha (GSFC/UMBC) and\nM. H. Siegel (PSU) report on behalf of the Neil Gehrels Swift\nObservatory Team:\n\nAt 11:23:51 UT, the Swift Burst Alert Telescope (BAT) triggered and\nlocated GRB 230805B (trigger\u001183217). Swift slewed immediately to the burst.\nThe BAT on-board calculated location is\nRA, Dec 207.747, +31.185 which is\n RA(J2000) = 13h 50m 59s\n Dec(J2000) = +31d 11' 05\"\nwith an uncertainty of 3 arcmin (radius, 90% containment, including\nsystematic uncertainty). The BAT light curve showed a complex\nstructure with a duration of about 60 sec. The peak count rate\nwas ~1300 counts/sec (15-350 keV), at ~5 sec after the trigger.\n\nThe XRT began observing the field at 11:27:03.3 UT, 192.3 seconds after\nthe BAT trigger. Using promptly downlinked data we find a fading,\nuncatalogued X-ray source with an enhanced position: RA, Dec 207.74281,\n31.19102 which is equivalent to:\n RA(J2000) = 13h 50m 58.28s\n Dec(J2000) = +31d 11' 27.7\"\nwith an uncertainty of 1.9 arcseconds (radius, 90% containment). This\nlocation is 25 arcseconds from the BAT onboard position, within the BAT\nerror circle. This position may be improved as more data are received;\nthe latest position is available at https://www.swift.ac.uk/sper.\n\nA power-law fit to a spectrum formed from promptly downlinked event\ndata gives a column density in excess of the Galactic value (1.41 x\n10^20 cm^-2, Willingale et al. 2013), with an excess column of 3.6\n(+2.86/-2.45) x 10^21 cm^-2 (90% confidence).\n\nUVOT took a finding chart exposure of 150 seconds with the White filter\nstarting 858 seconds after the BAT trigger. No credible afterglow candidate has\nbeen found in the initial data products. The 2.7'x2.7' sub-image covers 100% of\nthe XRT error circle. The typical 3-sigma upper limit has been about 19.6 mag.\nThe 8'x8' region for the list of sources generated on-board covers 100% of the\nXRT error circle. The list of sources is typically complete to about 18 mag. No\ncorrection has been made for the expected extinction corresponding to E(B-V) of\n0.014.\n\nBurst Advocate for this burst is S. B. Cenko (brad.cenko AT nasa.gov).\nPlease contact the BA by email if you require additional information\nregarding Swift followup of this burst. In extremely urgent cases, after\ntrying the Burst Advocate, you can contact the Swift PI by phone (see\nSwift TOO web site for information: http://www.swift.psu.edu/)\n\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkxMjM2MTU0LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.xtpAbvBGrD5yIuP8wiu0xhwwWwGjsaY2GqXur_2e1dg\n\n",
"published": "2023-08-05T11:49:19.486246Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-05T11:49:19.486263Z",
"modified": "2023-08-05T11:49:19.492523Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1856,
"topic": "igwn.gwalert",
"uuid": "0048c354-d5ac-4cc0-b399-779122c17c7f",
"title": "S230805bm - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805bm/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805bm/view/"
},
"event": {
"far": 1.3366e-05,
"time": "2023-08-05T11:59:27.823Z",
"group": "Burst",
"search": "AllSky",
"area_50": 78.89360264984973,
"area_90": 313.0565296637653,
"duration": 0.015128,
"pipeline": "CWB",
"properties": {},
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"skymap_hash": "95c4feb9c4564ad370a4f9d56072fc5f",
"classification": {},
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"sequence_num": 1,
"time_created": "2023-08-05T12:01:05Z",
"superevent_id": "S230805bm",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T12:01:06.201292Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T12:01:06.201311Z",
"modified": "2023-08-05T12:01:06.207226Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1857,
"topic": "igwn.gwalert",
"uuid": "86da4e98-7501-48f0-b63b-7e19fee475f1",
"title": "S230805bm - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805bm/files/cwb.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230805bm/view/"
},
"event": {
"far": 2.73048e-07,
"time": "2023-08-05T11:59:27.816Z",
"group": "Burst",
"search": "AllSky",
"area_50": 3658.69082288678,
"area_90": 11616.873166779065,
"duration": 0.014596,
"pipeline": "CWB",
"properties": {},
"instruments": [
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"significant": false,
"skymap_hash": "281037e3a2b4b38e9f27afc1b2a3db04",
"classification": {},
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"central_frequency": 1369.0354
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T12:05:41Z",
"superevent_id": "S230805bm",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T12:05:43.038478Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T12:05:43.038500Z",
"modified": "2023-08-05T12:05:43.042205Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2672,
"topic": "igwn.gwalert",
"uuid": "c824f5ed-dd07-40d4-b67f-3d141aac41e9",
"title": "S230903k - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230903k/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230903k/view/"
},
"event": {
"far": 8.492105e-06,
"time": "2023-09-03T04:51:49.036Z",
"group": "CBC",
"search": "AllSky",
"area_50": 655.907983732527,
"area_90": 2934.1705836582396,
"duration": null,
"pipeline": "MBTA",
"properties": {
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"HasMassGap": 0.0,
"HasRemnant": 1.0
},
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"L1"
],
"significant": false,
"skymap_hash": "df2b710aec2a5398c7abdacb959a507e",
"classification": {
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"BNS": 0.0014203,
"NSBH": 0.000666782,
"Terrestrial": 0.997912918
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-09-03T04:52:21Z",
"superevent_id": "S230903k",
"external_coinc": null
},
"message_text": "",
"published": "2023-09-03T04:52:23.124718Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-09-03T04:52:23.124737Z",
"modified": "2023-09-03T04:52:23.130133Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1858,
"topic": "igwn.gwalert",
"uuid": "673494a4-a47f-498d-9ec5-34ef9f11cdf0",
"title": "S230805x - UPDATE",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805x/files/bayestar.multiorder.fits,2",
"gracedb": "https://gracedb.ligo.org/superevents/S230805x/view/"
},
"event": {
"far": 9.185882942507167e-09,
"time": "2023-08-05T03:42:49.972Z",
"group": "CBC",
"search": "AllSky",
"area_50": 738.1587609632213,
"area_90": 2093.827821390559,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "bfc3006109cee68141780fa5ecbecd2c",
"classification": {
"BBH": 0.9997500609143566,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.0002499390856434136
},
"skymap_version": 2,
"central_frequency": null
},
"alert_type": "UPDATE",
"sequence_num": 4,
"time_created": "2023-08-05T12:51:04Z",
"superevent_id": "S230805x",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T12:51:05.628174Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T12:51:05.628194Z",
"modified": "2023-08-05T12:51:05.632553Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1859,
"topic": "gcn.circular",
"uuid": "6284ab91-b75d-47d7-aad1-c5f6f636a9cd",
"title": "LIGO/Virgo/KAGRA S230805x: Updated Sky localization",
"submitter": "Hop gcn.circular",
"authors": "John Veitch at U of Glasgow <john.veitch@ligo.org>",
"data": {
"date": "23/08/05 12:55:52 GMT",
"from": "John Veitch at U of Glasgow <john.veitch@ligo.org>",
"title": "GCN CIRCULAR",
"number": "34340",
"subject": "LIGO/Virgo/KAGRA S230805x: Updated Sky localization"
},
"message_text": "The LIGO Scientific Collaboration, the Virgo Collaboration, and the KAGRA Collaboration report:\n\nWe have conducted further analysis of the LIGO Hanford Observatory (H1) and LIGO Livingston Observatory (L1) data around the time of the compact binary merger (CBC) candidate S230805x (GCN Circular 34337). Parameter estimation has been performed using Bilby [1] and a new sky map, Bilby.multiorder.fits,0, distributed via GCN Notice, is available for retrieval from the GraceDB event page:\nhttps://gracedb.ligo.org/superevents/S230805x\n\nFor the Bilby.multiorder.fits,0 sky map, the 90% credible region is 2094 deg2. Marginalized over the whole sky, the a posteriori luminosity distance estimate is 3305 +/- 1113 Mpc (a posteriori mean +/- standard deviation).\n\nFor further information about analysis methodology and the contents of this alert, refer to the LIGO/Virgo/KAGRA Public Alerts User Guide https://emfollow.docs.ligo.org/userguide/.\n\n [1] Ashton et al. ApJS 241, 27 (2019)\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkxMjQwMTU3LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.RL0svDHKsPG6NvBpCCR4H9g8iUthRjN2DXSt3bgC6wU\n\n",
"published": "2023-08-05T12:56:02.332547Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-05T12:56:02.332564Z",
"modified": "2023-08-05T12:56:02.335945Z",
"nonlocalizedevents": [
{
"event_id": "S230805x"
}
],
"targets": []
},
{
"id": 1860,
"topic": "igwn.gwalert",
"uuid": "435b73b9-3bf5-4d1c-93bb-b2526c4c9959",
"title": "S230805bo - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805bo/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805bo/view/"
},
"event": {
"far": 1.803854006241028e-05,
"time": "2023-08-05T13:38:45.945Z",
"group": "CBC",
"search": "AllSky",
"area_50": 474.8303797782177,
"area_90": 1768.3917104599288,
"duration": null,
"pipeline": "pycbc",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
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},
"instruments": [
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"L1"
],
"significant": false,
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"classification": {
"BBH": 0.0,
"BNS": 0.0028522622834903457,
"NSBH": 0.0,
"Terrestrial": 0.9971477377165097
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-08-05T13:39:09Z",
"superevent_id": "S230805bo",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T13:39:10.742619Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T13:39:10.742641Z",
"modified": "2023-08-05T13:39:10.746375Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1861,
"topic": "igwn.gwalert",
"uuid": "e05b79e5-f4a1-4eb0-bd25-1f30f0732769",
"title": "S230805bo - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230805bo/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230805bo/view/"
},
"event": {
"far": 1.803854006241028e-05,
"time": "2023-08-05T13:38:45.945Z",
"group": "CBC",
"search": "AllSky",
"area_50": 474.8303797782177,
"area_90": 1768.3917104599288,
"duration": null,
"pipeline": "pycbc",
"properties": {
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"HasMassGap": 0.0,
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"L1"
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"significant": false,
"skymap_hash": "5f36c35122459f8e917d941965e626b8",
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"NSBH": 0.0,
"Terrestrial": 0.9971477377165097
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-05T13:43:45Z",
"superevent_id": "S230805bo",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-05T13:43:47.493032Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-05T13:43:47.493054Z",
"modified": "2023-08-05T13:43:47.496690Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1862,
"topic": "gcn.circular",
"uuid": "caa67e98-7687-499e-8141-0c3f11c22ef9",
"title": "Swift GRB 230805B: 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": "23/08/05 17:03:02 GMT",
"from": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>",
"title": "GCN CIRCULAR",
"number": "34341",
"subject": "Swift GRB 230805B: 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-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) was pointed to the Swift GRB 230805B ( S. B. Cenko et al., GCN 34339) errorbox 19680 sec after notice time and 19762 sec after trigger time at 2023-08-05 16:53:13 UT, with upper limit up to 16.6 mag. Observations started at twilight. The observations began at zenith distance = 66 deg. The sun altitude is -10.7 deg.\n\nThe galactic latitude b = 76 deg., longitude l = 52 deg.\n\n\nReal time updated cover map and OT discovered available here:\nhttps://master.sai.msu.ru/site/master2/observ.php?id\"50484\n\nWe obtain a following upper limits.\n\nTmid-T0 | Site |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____|_______|______|________\n\n 19853 | MASTER-SAAO | C | 180 | 16.6 |\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.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjkxMjU0OTg3LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.65vNIZNbf9L1_PmUyfTmBHRpB5NdGY6QQWLrIHPSeCI\n\n",
"published": "2023-08-05T17:03:18.182340Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-08-05T17:03:18.182392Z",
"modified": "2023-08-05T17:03:18.187704Z",
"nonlocalizedevents": [],
"targets": []
}
]
}
