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"data": {
"date": "23/09/11 20:36:40 GMT",
"from": "Marianna DafÄÃková at Masaryk University <500025@mail.muni.cz>",
"title": "GCN CIRCULAR",
"number": "34664",
"subject": "GRB 230911B: GRBAlpha and VZLUSAT-2 joint detection"
},
"message_text": "M. Dafcikova, J. Ripa (Masaryk U.), A. Pal (Konkoly Observatory), N. Werner (Masaryk U.), M. Ohno, H. Takahashi (Hiroshima U.), L. Meszaros, B. Csak (Konkoly Observatory), N. Husarikova, F. Munz, M. Topinka, M. Kolar, J.-P. Breuer, F. Hroch (Masaryk U.), J. Hudec, J. Kapus, M. Frajt, M. Rezenov (Spacemanic s.r.o), R. Laszlo, M. Koleda (Needronix s.r.o), G. Galgoczi (Wigner Research Center/Eotvos U.), N. Uchida (ISAS/JAXA), T. Enoto (Kyoto U.), Zs. Frei (Eotvos U.), Y. Fukazawa, K. Hirose, H. Poon, H. Matake (Hiroshima U.), S. Hisadomi (Nagoya U.), Y. Ichinohe (Rikkyo U.), L. L. Kiss (Konkoly Observatory), T. Mizuno (Hiroshima U.), K. Nakazawa (Nagoya U.), H. Odaka (U. Tokyo), K. Torigoe, Y. Uchida (Hiroshima U.), P. Svoboda, V. Daniel, J. Dudas, M. Junas, J. Gromes (VZLU), I. Vertat (FEL ZCU), T. Urbanec, M. Kasal, A. Povalac (Brno U. of Technology), M. Smelko, P. Hanak, P. Lipovsky (Technical U. of Kosice), T. Bozoki, G. Dalya, G. Friss, K. Kapas, J. Takatsy (Eotvos U.), N. Kogiso, M. Yoneyama (Osaka Metropolitan U.), M. Moritaki (U. Tokyo), T. Kano (U. Michigan) -- the GRBAlpha and VZLUSAT-2/GRB payload collaborations\n\nWe report a joint detection of a long-duration GRB 230911B by the GRBAlpha 1U CubeSat (Pal et al. 2023; arXiv:2302.10048) and the GRB detector on board of VZLUSAT-2 3U CubeSat (https://www.vzlusat2.cz/en/) The event was also observed by Fermi/GBM (GCN 34653) and INTEGRAL/SPI-ACS at ~2023-09-11 04:25:51 UT.\n\nThe GRBAlpha detection was confirmed at the peak time 2023-09-11 04:25:51 UTC. The T90 duration is 15 s and the significance during T90 reaches 13 sigma.\n\nThe light curve obtained by GRBAlpha is available here:\nhttps://grbalpha.konkoly.hu/static/share/GRB230911B_GCN.pdf\n\nThe VZLUSAT-2 detection was confirmed at the peak time 2023-09-11 04:25:50 UTC. The data acquisition was performed by the GRB detector unit no. 1. The T90 duration is 15 s and the significance during T90 reaches 9 sigma.\n\nThe light curves obtained by VZLUSAT-2 are available here:\nhttps://vzlusat2.konkoly.hu/static/share/GRB230911B_GCN_VZLUSAT2.pdf\n\nAll GRBAlpha detections are listed at: https://monoceros.physics.muni.cz/hea/GRBAlpha/ \nGRBAlpha, launched on 2021 March 22, is a demonstration mission for a future CubeSat constellation (Werner et al. Proc. SPIE 2018). The detector of GRBAlpha consists of a 75 x 75 x 5 mm3 CsI scintillator read out by a SiPM array, covering the energy range from ~50 keV to ~1000 keV. To increase the duty cycle and the downlink rate, the upgrade of the on-board data acquisition software stack is in progress. The ground segment is also supported by the radio amateur community and it takes advantage of the SatNOGS network for increased data downlink volume. \n\nAll VZLUSAT-2 detections are listed at: https://monoceros.physics.muni.cz/hea/VZLUSAT-2/\nThe GRB detectors on VZLUSAT-2 are a demonstration payload for a future CubeSat constellation (Werner et al. Proc. SPIE 2018). Two GRB modules of VZLUSAT-2 are placed in a perpendicular manner and each consists of a 75 x 75 x 5 mm3 CsI scintillator read out by a SiPM array, covering the energy range from ~30 keV to ~1000 keV. VZLUSAT-2 was launched on 2022 January 13 from Cape Canaveral.\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjk0NDY0NjA2LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.HolhaZqthBpeodN_BZQURUw2S9hF34mGetKqNiTBbB0\n\n",
"published": "2023-09-11T20:36:57.352314Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-09-11T20:36:57.352332Z",
"modified": "2023-09-11T20:36:57.356260Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2884,
"topic": "gcn.circular",
"uuid": "676b217a-004c-4117-8c0f-ce6f3ab61dd7",
"title": "GRB 230911C: Swift/UVOT Upper Limits",
"submitter": "Hop gcn.circular",
"authors": "Alice Breeveld at MSSL-UCL <a.breeveld@ucl.ac.uk>",
"data": {
"date": "23/09/11 20:49:01 GMT",
"from": "Alice Breeveld at MSSL-UCL <a.breeveld@ucl.ac.uk>",
"title": "GCN CIRCULAR",
"number": "34665",
"subject": "GRB 230911C: Swift/UVOT Upper Limits"
},
"message_text": "A. A. Breeveld (UCL-MSSL) and E. Sonbas (Adiyaman Univ.) report on behalf of the Swift/UVOT team:\n\nThe Swift/UVOT began settled observations of the field of GRB 230911C 122 s after the BAT trigger (Sonbas et al., GCN Circ. 34655).\nNo optical afterglow consistent with the XRT position (Evans et al., GCN Circ. 34658) is detected in the initial UVOT exposures.\nPreliminary 3-sigma upper limits using the UVOT photometric system (Breeveld et al. 2011, AIP Conf. Proc. 1358, 373) for the first finding chart (FC) exposure and subsequent exposures are:\n\nFilter T_start(s) T_stop(s) Exp(s) Mag\n\nwhite_FC 122 272 147 >20.4\nwhite 122 4926 289 >21.0\nu_FC 280 530 246 >19.7\nu 280 4572 708 >20.2\nb 537 4778 235 >19.8\nw1 661 4368 216 >19.0\nw2 587 781 39 >18.2\n\nThe magnitudes in the table are not corrected for the Galactic extinction due to the reddening of E(B-V) = 0.101 in the direction of the burst (Schlegel et al. 1998).\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjk0NDY1MzQ2LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.RhvLLDhQoCffWxuw3S86jxrCedqexWVlS4a68H9iun0\n\n",
"published": "2023-09-11T20:49:14.574415Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-09-11T20:49:14.574431Z",
"modified": "2023-09-11T20:49:14.578290Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 3144,
"topic": "igwn.gwalert",
"uuid": "02143178-f62e-4e08-9117-b9f6c2a82bb6",
"title": "S230920z - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230920z/files/cwb.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230920z/view/"
},
"event": {
"far": 9.35384e-06,
"time": "2023-09-20T04:43:53.812Z",
"group": "Burst",
"search": "AllSky",
"area_50": 1293.9809775043168,
"area_90": 6331.001789239135,
"duration": 0.006114,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "aef4bdaa386b0f628002f0bbc05a8537",
"classification": {},
"skymap_version": 1,
"central_frequency": 925.791321
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-09-20T04:49:59Z",
"superevent_id": "S230920z",
"external_coinc": null
},
"message_text": "",
"published": "2023-09-20T04:50:00.744432Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-09-20T04:50:00.744481Z",
"modified": "2023-09-20T04:50:00.751420Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 3145,
"topic": "igwn.gwalert",
"uuid": "8e7fa637-8f2c-472d-ad77-8b1b258c2257",
"title": "S230920aj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230920aj/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230920aj/view/"
},
"event": {
"far": 7.035454927972751e-06,
"time": "2023-09-20T06:47:09.311Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1160.533287915741,
"area_90": 4896.4391261619485,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.3203592021372268,
"HasMassGap": 0.2742575461127538,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "c9b9394249e4bde8c1b4f3f2280ae9b8",
"classification": {
"BBH": 0.024983821770595396,
"BNS": 0.0,
"NSBH": 0.11258226739689775,
"Terrestrial": 0.8624339108325069
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-09-20T06:47:35Z",
"superevent_id": "S230920aj",
"external_coinc": null
},
"message_text": "",
"published": "2023-09-20T06:47:37.167290Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-09-20T06:47:37.167317Z",
"modified": "2023-09-20T06:47:37.173830Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 3146,
"topic": "igwn.gwalert",
"uuid": "c060486d-c107-4df4-bca8-ebeec0b021c0",
"title": "S230920aj - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230920aj/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230920aj/view/"
},
"event": {
"far": 1.111669866610637e-05,
"time": "2023-09-20T06:47:09.311Z",
"group": "CBC",
"search": "AllSky",
"area_50": 384.4489453595402,
"area_90": 1576.1934657065715,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.6373015724088937,
"HasMassGap": 0.4082240401258972,
"HasRemnant": 0.00401545440956154
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "07c64b02a5e16770d79b1393d477eb3c",
"classification": {
"BBH": 9.387131710204649e-11,
"BNS": 1.3892325859944332e-17,
"NSBH": 0.009049466641302973,
"Terrestrial": 0.9909505332648257
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-09-20T06:52:11Z",
"superevent_id": "S230920aj",
"external_coinc": null
},
"message_text": "",
"published": "2023-09-20T06:52:13.059732Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-09-20T06:52:13.059759Z",
"modified": "2023-09-20T06:52:13.066051Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 4259,
"topic": "igwn.gwalert",
"uuid": "3dca448d-e86f-4124-abb2-defe30ad66d3",
"title": "S231030be - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231030be/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231030be/view/"
},
"event": {
"far": 1.48649e-05,
"time": "2023-10-30T15:05:30.437Z",
"group": "Burst",
"search": "AllSky",
"area_50": 2542.220451344625,
"area_90": 7820.538186077653,
"duration": 0.052197,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "9073515471c7d95db4859e2bb8dbb6ba",
"classification": {},
"skymap_version": 0,
"central_frequency": 23.857941
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-10-30T15:07:36Z",
"superevent_id": "S231030be",
"external_coinc": null
},
"message_text": "",
"published": "2023-10-31T23:28:19.219115Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-10-31T23:28:19.219159Z",
"modified": "2023-10-31T23:28:19.225131Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9316,
"topic": "lvk-users.beccatest",
"uuid": "59dfaf2b-25e1-4d09-b4b1-57068007d9d4",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"L1"
],
"time": [
1400528100
],
"range": 164.02213982588933
},
"message_text": "",
"published": "2024-05-23T19:35:00.514046Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:35:00.514065Z",
"modified": "2024-05-23T19:35:00.514074Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2885,
"topic": "igwn.gwalert",
"uuid": "7adfc0c4-ba07-4203-817f-79697cde6a1f",
"title": "S230911am - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230911am/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230911am/view/"
},
"event": {
"far": 5.154131486051483e-06,
"time": "2023-09-11T20:53:51.391Z",
"group": "CBC",
"search": "AllSky",
"area_50": 946.0937615642882,
"area_90": 3706.3207372525135,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.022579365079365078,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "4eb161d46ee003330967d5b7c5910a1e",
"classification": {
"BBH": 0.0,
"BNS": 0.24751343677596177,
"NSBH": 0.05280410846429503,
"Terrestrial": 0.6996824547597432
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-09-11T20:54:16Z",
"superevent_id": "S230911am",
"external_coinc": null
},
"message_text": "",
"published": "2023-09-11T20:54:18.380510Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-09-11T20:54:18.380531Z",
"modified": "2023-09-11T20:54:18.385141Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2886,
"topic": "hermes.message",
"uuid": "99047268-01ad-4e4c-969b-b5eeb48dcebb",
"title": "INTEGRAL follow-up of S230910av",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230910av at 2023-09-10T17:19:06.000\n\n\nSPI-ACS excesses:\nat T0+14.44 FAP = 0.605\nat T0+-29.18 FAP = 0.817\nat T0+-97.53 FAP = 0.874\nat T0+31.69 FAP = 0.961\n\n\n\n\nnext break in data in 17 hr: 2023-09-11T09:53:07, for 9.3 hr",
"published": "2023-09-11T20:54:50.465812Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-11T20:54:50.465828Z",
"modified": "2023-09-11T20:54:50.469292Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2887,
"topic": "gcn.circular",
"uuid": "45b35792-af4e-4b7b-9975-c7ee2820ddd4",
"title": "LIGO/Virgo/KAGRA S230911ae: Identification of a GW compact binary merger candidate",
"submitter": "Hop gcn.circular",
"authors": "juliedson.malaquias-reis@ligo.org",
"data": {
"date": "23/09/11 20:55:19 GMT",
"from": "juliedson.malaquias-reis@ligo.org",
"title": "GCN CIRCULAR",
"number": "34666",
"subject": "LIGO/Virgo/KAGRA S230911ae: 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 S230911ae during\nreal-time processing of data from LIGO Hanford Observatory (H1) at\n2023-09-11 19:53:24.201 UTC (GPS time: 1378497222.201). The candidate\nwas found by the GstLAL [1] analysis pipeline.\n\nS230911ae is an event of interest because its false alarm rate, as\nestimated by the online analysis, is 1.9e-12 Hz, or about one in 1e4\nyears. The event's properties can be found at this URL:\n\nhttps://gracedb.ligo.org/superevents/S230911ae\n\nThe classification of the GW signal, in order of descending\nprobability, is BBH (>99%), Terrestrial (<1%), NSBH (<1%), or BNS\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%. [2] Using the masses and spins inferred from the\nsignal, the probability of matter outside the final compact object\n(HasRemnant) is <1%. [2] 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,1, an initial localization generated by\nBAYESTAR [3], distributed via GCN notice about 23 seconds after the\ncandidate event time.\n * bayestar.multiorder.fits,2, an initial localization generated by\nBAYESTAR [3], distributed via GCN notice about 4 minutes after the\ncandidate event time.\n\nThe preferred sky map at this time is bayestar.multiorder.fits,2. For\nthe bayestar.multiorder.fits,2 sky map, the 90% credible region is\n24221 deg2. Marginalized over the whole sky, the a posteriori\nluminosity distance estimate is 1758 +/- 588 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] Tsukada et al. arXiv:2305.06286 (2023) and Ewing et al.\narXiv:2305.05625 (2023)\n [2] Chatterjee et al. ApJ 896, 54 (2020)\n [3] Singer & Price PRD 93, 024013 (2016)\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjk0NDY1NzI0LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.mor0TKpcu_YYstnuNrImM_UsL4ld4IXUEnQAWRzX73I\n\n",
"published": "2023-09-11T20:55:29.544946Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-09-11T20:55:29.544963Z",
"modified": "2023-09-11T20:55:29.548679Z",
"nonlocalizedevents": [
{
"event_id": "S230911a"
}
],
"targets": []
},
{
"id": 2888,
"topic": "gcn.circular",
"uuid": "c37e75df-2e82-4881-8282-3a9dd8b57c5e",
"title": "GRB230911C: LCOGT Optical Upper Limits",
"submitter": "Hop gcn.circular",
"authors": "Robert Strausbaugh at Eastern Illinois University <rstrausbaugh@eiu.edu>",
"data": {
"date": "23/09/11 20:58:29 GMT",
"from": "Robert Strausbaugh at Eastern Illinois University <rstrausbaugh@eiu.edu>",
"title": "GCN CIRCULAR",
"number": "34667",
"subject": "GRB230911C: LCOGT Optical Upper Limits"
},
"message_text": "R. Strausbaugh (Eastern Illinois University), A. Cucchiara (NASA) report on behalf of a larger collaboration:\n\nWe observed the Swift GRB 230911C (Sonbas et al., GCN 34655) field with the LCOGT 1-meter Sinistro instrument at the South African Astronomical Observatory site, on September 11, from 17:20 to 17:52 UT (corresponding to 8.55 to 9.08 hours from the GRB trigger time) with the SDSS r and i filters.\n\nWe performed a series of 3x300s exposures in each band. We do not detect a source within the Swift-XRT enhanced error region (Evans et al., GCN 34658) in either band.\n\nThe following upper limits are calculated using the USNO-B1.0 catalog as reference:\n\nr > 21.6\ni > 21.1\n\nThese magnitudes are not corrected for galactic extinction.\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjk0NDY1OTExLCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.Vhv9EZWA68JN2WRBGCLr3iooeEXY3u_n3LKNtryNIs0\n\n",
"published": "2023-09-11T20:58:37.025800Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-09-11T20:58:37.025817Z",
"modified": "2023-09-11T20:58:37.029494Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 3302,
"topic": "igwn.gwalert",
"uuid": "bce8f906-56d5-4918-a796-dedc52d453bf",
"title": "S230922ae - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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"time_created": "2023-09-22T08:45:46Z",
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"published": "2023-09-22T08:45:47.547730Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-09-22T08:45:47.547774Z",
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{
"id": 3303,
"topic": "igwn.gwalert",
"uuid": "199b8aa9-3e52-4400-8556-8b9036a70c96",
"title": "S230922ag - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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"time": "2023-09-22T08:41:46.234Z",
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"time_created": "2023-09-22T08:47:56Z",
"superevent_id": "S230922ag",
"external_coinc": null
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"published": "2023-09-22T08:47:58.037936Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-09-22T08:47:58.037960Z",
"modified": "2023-09-22T08:47:58.044258Z",
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},
{
"id": 3304,
"topic": "igwn.gwalert",
"uuid": "d2799af2-9cf2-4983-a3bb-9437bba2da55",
"title": "S230922g - UPDATE",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
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"gracedb": "https://gracedb.ligo.org/superevents/S230922g/view/"
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"event": {
"far": 1.928459495098121e-24,
"time": "2023-09-22T02:03:44.886Z",
"group": "CBC",
"search": "AllSky",
"area_50": 95.52210799559595,
"area_90": 323.86243534585907,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
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"L1"
],
"significant": true,
"skymap_hash": "ff1be6d586fcedacddb7b9d1870bd665",
"classification": {
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"BNS": 5.937837279539936e-34,
"NSBH": 4.951815854249782e-32,
"Terrestrial": 1.6986412276764895e-14
},
"skymap_version": 2,
"central_frequency": null
},
"alert_type": "UPDATE",
"sequence_num": 4,
"time_created": "2023-09-22T09:05:10Z",
"superevent_id": "S230922g",
"external_coinc": null
},
"message_text": "",
"published": "2023-09-22T09:05:12.025471Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-09-22T09:05:12.025498Z",
"modified": "2023-09-22T09:05:12.033250Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 3308,
"topic": "igwn.gwalert",
"uuid": "1d73864f-c403-495b-8b7d-bb6680555c89",
"title": "S230922be - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230922be/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230922be/view/"
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"event": {
"far": 1.431291914326817e-05,
"time": "2023-09-22T19:12:10.015Z",
"group": "CBC",
"search": "AllSky",
"area_50": 1203.1274404102078,
"area_90": 3770.107054288562,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.04020487367039092,
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},
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"significant": false,
"skymap_hash": "b027b2b12803800f3f3d4b53166696a9",
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"BNS": 9.794901990223521e-14,
"NSBH": 6.7170904437549e-12,
"Terrestrial": 0.8859194418681667
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-09-22T19:17:18Z",
"superevent_id": "S230922be",
"external_coinc": null
},
"message_text": "",
"published": "2023-09-22T19:17:19.286757Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-09-22T19:17:19.286786Z",
"modified": "2023-09-22T19:17:19.292840Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9317,
"topic": "lvk-users.beccatest",
"uuid": "2a87069d-73aa-42bd-be87-bbb554b267d7",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"V1"
],
"time": [
1400528100
],
"range": 49.75944200247588
},
"message_text": "",
"published": "2024-05-23T19:35:06.599124Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:35:06.599159Z",
"modified": "2024-05-23T19:35:06.599176Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2889,
"topic": "igwn.gwalert",
"uuid": "d6af3b02-9cfd-488b-a160-dc3b8a6545dc",
"title": "S230911am - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230911am/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230911am/view/"
},
"event": {
"far": 5.154131486051483e-06,
"time": "2023-09-11T20:53:51.391Z",
"group": "CBC",
"search": "AllSky",
"area_50": 946.0937615642882,
"area_90": 3706.3207372525135,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.022579365079365078,
"HasRemnant": 1.0
},
"instruments": [
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"L1"
],
"significant": false,
"skymap_hash": "4eb161d46ee003330967d5b7c5910a1e",
"classification": {
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"BNS": 0.24751343677596177,
"NSBH": 0.05280410846429503,
"Terrestrial": 0.6996824547597432
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-09-11T20:58:51Z",
"superevent_id": "S230911am",
"external_coinc": null
},
"message_text": "",
"published": "2023-09-11T20:58:53.083146Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-09-11T20:58:53.083164Z",
"modified": "2023-09-11T20:58:53.086907Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2890,
"topic": "hermes.message",
"uuid": "aa996fcc-9f6e-4036-8b77-42a93bd47337",
"title": "INTEGRAL follow-up of S230909an",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230909an at 2023-09-09T17:53:41.000\n\n\nSPI-ACS excesses:\nat T0+4.12 FAP = 0.03\nat T0+-54.36 FAP = 0.35\nat T0+29.79 FAP = 0.426\nat T0+-112.91 FAP = 0.744\nat T0+205.14 FAP = 0.931\n\n\n\n\nnext break in data in 40 hr: 2023-09-11T09:53:07, for 9.3 hr",
"published": "2023-09-11T21:09:24.610746Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-11T21:09:24.610764Z",
"modified": "2023-09-11T21:09:24.614644Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2891,
"topic": "hermes.message",
"uuid": "f7afc2e7-d927-4187-8107-ec0c35a1598e",
"title": "INTEGRAL follow-up of S230908ad",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230908ad at 2023-09-08T12:50:24.000\n\n\nSPI-ACS excesses:\nat T0+-206.15 FAP = 0.186\nat T0+-260.72 FAP = 0.249\nat T0+34.25 FAP = 0.254\nat T0+37.25 FAP = 0.449\n\n\n\n\nnext break in data in 5.2 hr: 2023-09-08T18:02:33, for 9.3 hr",
"published": "2023-09-11T22:11:00.072784Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-11T22:11:00.072817Z",
"modified": "2023-09-11T22:11:00.079624Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2892,
"topic": "gcn.circular",
"uuid": "e01e870f-feb3-4812-8d23-01551f3e35c1",
"title": "GRB 230911D: Fermi-LAT detection",
"submitter": "Hop gcn.circular",
"authors": "N. Di Lalla at Stanford University <niccolo.dilalla@stanford.edu>",
"data": {
"date": "23/09/11 22:12:40 GMT",
"from": "N. Di Lalla at Stanford University <niccolo.dilalla@stanford.edu>",
"title": "GCN CIRCULAR",
"number": "34668",
"subject": "GRB 230911D: Fermi-LAT detection"
},
"message_text": "F. Longo (University and INFN, Trieste), D. Kocevski (NASA/MSFC), N. Omodei (Stanford University), N. Di Lalla (Stanford University) report on behalf of the Fermi-LAT Collaboration:\n\nOn September 11, 2023 Fermi-LAT detected high-energy emission from GRB 230911D, which was also detected by Fermi-GBM (trigger 716111594 / 230911329, GCN 34656) and Konus-Wind (GCN 34659).\n\nThe best LAT on-ground location is found to be\n\nRA, Dec = 151.9, -26.0 (degrees, J2000)\n\nwith an error radius of 0.3 deg (90% containment, statistical error only). This was 73 deg from the LAT boresight at the time of the GBM trigger:\n\nT0 = 07:53:09.73 UT.\n\nThe data from the Fermi-LAT show a significant increase in the event rate after the GBM trigger that is spatially correlated with the GBM emission with high significance. The photon flux above 100 MeV in the time interval 0-1000 s after the GBM trigger is (2.3 +/- 0.8)E-5 ph/cm2/s.\n\nThe estimated photon index above 100 MeV is -1.9 +/- 0.2. The highest-energy photon is a 4.6 GeV event which is observed 154 seconds after the GBM trigger.\n\nA Swift ToO has been requested for this burst.\n\nThe Fermi-LAT point of contact for this burst is Makoto Arimoto (arimoto@se.kanazawa-u.ac.jp <mailto:arimoto@se.kanazawa-u.ac.jp>)\n\nThe Fermi-LAT is a pair conversion telescope designed to cover the energy band from 20 MeV to greater than 300 GeV. It is the product of an international collaboration between NASA and DOE in the U.S. and many scientific institutions across France, Italy, Japan and Sweden.\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjk0NDcwMzY1LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.Kpl-IgenL8ID2ixYL85RlEyqswsMaJZdHB6Z5P5H-uI\n\n",
"published": "2023-09-11T22:12:58.638328Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-09-11T22:12:58.638346Z",
"modified": "2023-09-11T22:12:58.642317Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 4092,
"topic": "gcn.circular",
"uuid": "e200fe50-4022-42e0-ad7b-5ee2f40c38cd",
"title": "LIGO/Virgo/KAGRA S231021az: Coverage and upper limits from MAXI/GSC observations",
"submitter": "Hop gcn.circular",
"authors": "Motoko Serino at Aoyama Gakuin U. <serino@phys.aoyama.ac.jp>",
"data": {
"date": "23/10/22 05:11:59 GMT",
"from": "Motoko Serino at Aoyama Gakuin U. <serino@phys.aoyama.ac.jp>",
"urls": {
"gcn": "https://gcn.nasa.gov/circulars/34871"
},
"title": "GCN CIRCULAR",
"number": "34871",
"subject": "LIGO/Virgo/KAGRA S231021az: Coverage and upper limits from MAXI/GSC observations"
},
"message_text": "H. Hiramatsu, S. Sugita, M. Serino, H. Nishikawa, Y. Kondo (AGU),\nN. Kawai (RIKEN), H. Negoro, M. Nakajima (Nihon U.),\nT. Mihara (RIKEN),\nY. Kawakubo (LSU)\nreport on behalf of the MAXI team:\n\nWe examined MAXI/GSC all-sky X-ray images (2-20 keV)\nafter compact binary merger candidate S231021az at 2023-10-21 23:37:57 UTC .\n\nAt the trigger time of S231021az, the high-voltage of MAXI/GSC was on.\nThe instantaneous field of view of GSC at the GW trigger time covered 1% of the 90% credible region\nof the bayestar sky map, in which we found no significant new X-ray source.\nThe first one-orbit (92 min) scan observation with GSC after the event covered 86%\nof the 90% credible region of the bayestar skymap from 23:37:57 to 01:09:53 UTC (T0+0 to T0+5516 sec).\n\nNo significant new source was found in the region in the one-orbit scan observation.\nA typical 1-sigma averaged upper limit obtained in one scan observation\nis 20 mCrab at 2-20 keV.\n\nIf you require information about X-ray flux by MAXI/GSC at specific coordinates,\nplease contact the submitter of this circular by email.\n\n\nView this GCN Circular online at https://gcn.nasa.gov/circulars/34871.",
"published": "2023-10-22T05:12:10.125492Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-10-22T05:12:10.125525Z",
"modified": "2023-10-22T05:12:10.138915Z",
"nonlocalizedevents": [
{
"event_id": "S231021a"
}
],
"targets": []
},
{
"id": 4093,
"topic": "igwn.gwalert",
"uuid": "9bf80583-abcd-4432-9b4e-95c91e9d7536",
"title": "S231022al - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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"time": "2023-10-22T10:17:30.256Z",
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"area_90": 2208.1815805505803,
"duration": null,
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"sequence_num": 1,
"time_created": "2023-10-22T10:18:01Z",
"superevent_id": "S231022al",
"external_coinc": null
},
"message_text": "",
"published": "2023-10-22T10:18:03.607097Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-10-22T10:18:03.607123Z",
"modified": "2023-10-22T10:18:03.617336Z",
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},
{
"id": 6716,
"topic": "igwn.gwalert",
"uuid": "0e1b085b-ae45-4592-afe0-9aeba20fdb0a",
"title": "S240420ad - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S240420ad/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S240420ad/view/"
},
"event": {
"far": 1.469090362257035e-07,
"time": "2024-04-20T04:19:35.260Z",
"group": "CBC",
"search": "AllSky",
"area_50": 59.24888576662581,
"area_90": 429.7183463481175,
"duration": null,
"pipeline": "gstlal",
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"HasMassGap": 0.11806309702247918,
"HasRemnant": 0.0
},
"instruments": [
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"L1"
],
"significant": false,
"skymap_hash": "8de7bd3bd3deda8f9572b9cb025146ff",
"classification": {
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"BNS": 1.3161158118488599e-28,
"NSBH": 9.265800697940519e-27,
"Terrestrial": 0.06549086716357899
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2024-04-20T04:20:08Z",
"superevent_id": "S240420ad",
"external_coinc": null
},
"message_text": "",
"published": "2024-04-20T04:20:09.932832Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2024-04-20T04:20:09.932848Z",
"modified": "2024-04-20T04:20:09.942243Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2896,
"topic": "gcn.circular",
"uuid": "79843a7a-3001-4fb9-b870-edfee050fea0",
"title": "GRB 230911D: Fermi GBM observation",
"submitter": "Hop gcn.circular",
"authors": "Lorenzo Scotton at UAH <lscottongcn@outlook.com>",
"data": {
"date": "23/09/11 22:45:14 GMT",
"from": "Lorenzo Scotton at UAH <lscottongcn@outlook.com>",
"title": "GCN CIRCULAR",
"number": "34670",
"subject": "GRB 230911D: Fermi GBM observation"
},
"message_text": "L. Scotton (UAH), R. Hamburg (CNRS/IJCLab), and C. Meegan (UAH)\nreport on behalf of the Fermi GBM Team:\n\n\"At 07:53:09.72 UT on 11 September 2023, the Fermi Gamma-Ray Burst Monitor (GBM)\ntriggered and located GRB 230911D (trigger 716111594 / 230911329),\nwhich was also detected by the Fermi LAT (F. Longo et al. 2023, GCN 34668)\nand Konus-Wind (D. Frederiks et al. 2023, GCN 34659).\n\nThe Fermi GBM Final Localization (GCN 34656) is consistent with the Fermi LAT position.\n\nThe angle from the Fermi LAT boresight at the GBM trigger time is 72 degrees.\n\nThe GBM light curve consists of multiple peaks\nwith a duration (T90) of about 45.6 s (50-300 keV).\nThe time-averaged spectrum from T0-4.4 s to T0+77.6 s is\nbest fit by a power law function with an exponential\nhigh-energy cutoff. The power law index is -1.00 +/- 0.01 and\nthe cutoff energy, parameterized as Epeak, is 429.9 +/- 7.8 keV\n\nThe event fluence (10-1000 keV) in this time interval is\n(1.214 +/- 0.007)E-04 erg/cm^2. The 1-sec peak photon flux measured\nstarting from T0+16.1 s in the 10-1000 keV band\nis 24.8 +/- 0.3 ph/s/cm^2.\n\nA Band function fits the spectrum equally well\nwith Epeak= 420.6 +/- 9.0 keV, alpha = -1.00 +/- 0.01 and beta = -3.02 +/- 0.25.\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---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjk0NDcyMzIwLCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.T5K_zo-zUOqVY16jcfFRhiZbCncBhDMlgMK0KQSstKI\n\n",
"published": "2023-09-11T22:45:25.915677Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-09-11T22:45:25.915729Z",
"modified": "2023-09-11T22:45:25.922628Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2897,
"topic": "hermes.message",
"uuid": "1efda98e-4505-46cc-b9e2-8ffee10d921c",
"title": "INTEGRAL follow-up of S230911d",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230911d at 2023-09-11T03:44:01.000\n\n\nSPI-ACS excesses:\nat T0+11.32 FAP = 0.178\nat T0+-163.68 FAP = 0.329\nat T0+124.77 FAP = 0.359\nat T0+6.4 FAP = 0.372\nat T0+-1.98 FAP = 0.653\n\n\n\n\nnext break in data in 6.2 hr: 2023-09-11T09:53:07, for 9.3 hr",
"published": "2023-09-11T22:54:12.051595Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-11T22:54:12.051611Z",
"modified": "2023-09-11T22:54:12.055280Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2898,
"topic": "hermes.message",
"uuid": "9b1be730-b9b2-4bc8-a3d6-e4cbb54d32b8",
"title": "INTEGRAL follow-up of S230910p",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230910p at 2023-09-10T08:37:24.000\n\n\nSPI-ACS excesses:\nat T0+9.62 FAP = 0.195\nat T0+82.87 FAP = 0.203\nat T0+-72.95 FAP = 0.294\nat T0+24.85 FAP = 0.324\nat T0+227.85 FAP = 0.416\nat T0+14.47 FAP = 0.718\nat T0+140.1 FAP = 0.927\n\n\n\n\nnext break in data in 25 hr: 2023-09-11T09:53:07, for 9.3 hr",
"published": "2023-09-11T23:14:05.809920Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-11T23:14:05.809937Z",
"modified": "2023-09-11T23:14:05.813590Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2899,
"topic": "gcn.circular",
"uuid": "6598aabf-00fe-411b-bc7c-f7b309a420cd",
"title": "Swift GRB 230911C: 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": "23/09/11 23:34:53 GMT",
"from": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>",
"title": "GCN CIRCULAR",
"number": "34671",
"subject": "Swift GRB 230911C: Global MASTER-Net observations report"
},
"message_text": "V. Lipunov, V.Kornilov, E. Gorbovskoy, K. Zhirkov, N.Tyurina, P.Balanutsa, A.Kuznetsov, V.Senik, D. Vlasenko,\nG.Antipov, D.Zimnukhov, E.Minkina, A.Chasovnikov, V.Topolev, D.Kuvshinov, D. Cheryasov, Ya.Kechin, Yu.Tselik, A. Sosnovskij\n(Lomonosov Moscow State University, SAI, Physics Department),\n\nR. Podesta, C.Lopez, F. Podesta, C.Francile\n(Observatorio Astronomico Felix Aguilar OAFA),\n\nR. Rebolo, M. Serra\n(The Instituto de Astrofisica de Canarias),\n\nD. Buckley\n(South African Astronomical Observatory),\n\nO.A. Gress, N.M. Budnev, O.Ershova\n(Irkutsk State University, API),\n\nL.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez,\nA.R.Corella, L.H.Rodriguez\n(INAOE, Guillermo Haro Astrophysics Observatory),\n\nA. Tlatov, D. Dormidontov\n(Kislovodsk Solar Station of the Pulkovo Observatory),\n\nV. Yurkov, A. Gabovich\n(Blagoveschensk Educational State University)\n\nMASTER-OAFA robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Argentina (OAFA observatory of San Juan National University) was pointed to the Swift GRB 230911C ( E. Sonbas et al., GCN 34655) errorbox 51970 sec after notice time and 52039 sec after trigger time at 2023-09-11 23:14:45 UT, with upper limit up to 17.3 mag. Observations started at twilight. The observations began at zenith distance = 37 deg. The sun altitude is -11.6 deg.\n\nThe galactic latitude b = 14 deg., longitude l = 329 deg.\n\n\nReal time updated cover map and OT discovered available here:\nhttps://master.sai.msu.ru/site/master2/observ.php?id\"68945\n\nWe obtain a following upper limits.\n\nTmid-T0 | Site |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____|_______|______|________\n\n 52130 | MASTER-OAFA | C | 180 | 16.3 |\n 52362 | MASTER-OAFA | C | 180 | 16.5 |\n 52795 | MASTER-OAFA | C | 180 | 17.3 |\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.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjk0NDc1MzM1LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.AtUUfT6o3vlfU0cUAoKDfTgzizD2qiT6_OPwA2_W42w\n\n",
"published": "2023-09-11T23:35:45.581185Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-09-11T23:35:45.581203Z",
"modified": "2023-09-11T23:35:45.586778Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2911,
"topic": "igwn.gwalert",
"uuid": "492d471c-df8d-455d-ac46-616de9361582",
"title": "S230912g - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230912g/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230912g/view/"
},
"event": {
"far": 8.235045243054628e-06,
"time": "2023-09-12T02:39:24.327Z",
"group": "CBC",
"search": "AllSky",
"area_50": 714.0290686634003,
"area_90": 5699.643144629034,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6d282ca79648eaabaa9fbdef504036bd",
"classification": {
"BBH": 0.0,
"BNS": 0.1331380489130597,
"NSBH": 0.0018349529051566677,
"Terrestrial": 0.8650269981817836
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-09-12T02:39:51Z",
"superevent_id": "S230912g",
"external_coinc": null
},
"message_text": "",
"published": "2023-09-12T02:39:53.052712Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-09-12T02:39:53.052741Z",
"modified": "2023-09-12T02:39:53.056729Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2912,
"topic": "igwn.gwalert",
"uuid": "61242cf3-1848-448d-aa9e-b3c960e26f06",
"title": "S230912g - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230912g/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230912g/view/"
},
"event": {
"far": 8.235045243054628e-06,
"time": "2023-09-12T02:39:24.327Z",
"group": "CBC",
"search": "AllSky",
"area_50": 714.0290686634003,
"area_90": 5699.643144629034,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 1.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6d282ca79648eaabaa9fbdef504036bd",
"classification": {
"BBH": 0.0,
"BNS": 0.1331380489130597,
"NSBH": 0.0018349529051566677,
"Terrestrial": 0.8650269981817836
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-09-12T02:44:26Z",
"superevent_id": "S230912g",
"external_coinc": null
},
"message_text": "",
"published": "2023-09-12T02:44:27.887351Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-09-12T02:44:27.887371Z",
"modified": "2023-09-12T02:44:27.890760Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2913,
"topic": "hermes.message",
"uuid": "4443b3e7-663e-424f-af68-50da0b52df14",
"title": "INTEGRAL follow-up of S230909o",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230909o at 2023-09-09T10:13:05.000\n\n\nSPI-ACS excesses:\nat T0+15.9 FAP = 0.01\nat T0+-6.5 FAP = 0.073\nat T0+-13.35 FAP = 0.261\nat T0+-55.02 FAP = 0.271\nat T0+39.78 FAP = 0.352\nat T0+-26.2 FAP = 0.562\nat T0+149.28 FAP = 0.869\n\n\n\n\nnext break in data in 48 hr: 2023-09-11T09:53:07, for 9.3 hr",
"published": "2023-09-12T02:49:48.612007Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-12T02:49:48.612028Z",
"modified": "2023-09-12T02:49:48.615814Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2917,
"topic": "igwn.gwalert",
"uuid": "e9295964-d804-44d0-804c-9c763bd69131",
"title": "S230912m - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230912m/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230912m/view/"
},
"event": {
"far": 5.102287e-06,
"time": "2023-09-12T05:03:25.163Z",
"group": "CBC",
"search": "AllSky",
"area_50": 792.7128479019473,
"area_90": 2566.559967055748,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.5286784725786393,
"HasRemnant": 0.8877069067802349
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "70e1b8e48aee6990407632ddab98e25f",
"classification": {
"BBH": 0.0,
"BNS": 0.00226306,
"NSBH": 0.001101461,
"Terrestrial": 0.996635479
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-09-12T05:03:57Z",
"superevent_id": "S230912m",
"external_coinc": null
},
"message_text": "",
"published": "2023-09-12T05:03:59.596004Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-09-12T05:03:59.596022Z",
"modified": "2023-09-12T05:03:59.601544Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9318,
"topic": "lvk-users.beccatest",
"uuid": "80e4bed7-c0fc-44f9-a5c5-3c5da4c990b0",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"L1"
],
"time": [
1400528200
],
"range": 164.4958933645629
},
"message_text": "",
"published": "2024-05-23T19:36:40.948873Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:36:40.948889Z",
"modified": "2024-05-23T19:36:40.948898Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9319,
"topic": "lvk-users.beccatest",
"uuid": "3759f006-1fdc-43d0-a689-d8e57d4849c6",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"H1"
],
"time": [
1400528200
],
"range": 156.38670417519683
},
"message_text": "",
"published": "2024-05-23T19:36:40.968749Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:36:40.968769Z",
"modified": "2024-05-23T19:36:40.968777Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9320,
"topic": "lvk-users.beccatest",
"uuid": "230ad6cf-9b51-4ff4-8b90-d3a06adcb0a8",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"V1"
],
"time": [
1400528200
],
"range": 49.891980100464785
},
"message_text": "",
"published": "2024-05-23T19:36:46.011563Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:36:46.011593Z",
"modified": "2024-05-23T19:36:46.011608Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2900,
"topic": "gcn.circular",
"uuid": "2d9599f6-f8da-458b-a5f0-64737fd6a6a0",
"title": "GRB 230906A: Chandra detection of the X-ray afterglow",
"submitter": "Hop gcn.circular",
"authors": "Brendan O'Connor at CMU <oconnorb@umd.edu>",
"data": {
"date": "23/09/11 23:51:20 GMT",
"from": "Brendan O'Connor at CMU <oconnorb@umd.edu>",
"title": "GCN CIRCULAR",
"number": "34672",
"subject": "GRB 230906A: Chandra detection of the X-ray afterglow"
},
"message_text": "B. O'Connor (CMU), S. Dichiara (PSU), E. Troja (UTV), report on behalf of a larger collaboration:\n\nWe carried out a Chandra Target of Opportunity (ToO) observation of the IPN localized short GRB 230906A (Fermi GBM team, GCN 34631; Kozyrev et al., GCN 34637) under program 24500202 (PI: S. Dichiara). We used the ACIS-S camera with a total exposure of 19.8 ks beginning on 2023-09-11 04:58:29 UT, corresponding to ~4.7 days after the initial trigger.\n\nAt the location of the Swift XRT candidate afterglow (Beardmore et al., GCN 34639) uncovered during tiled observations of the IPN localization (Evans et al., GCN 34636), we detect a clear X-ray source at the North-East edge of the XRT localization. The source is located at\n\nRA, DEC = 05:19:01.52, -47:53:32.66\n\nwith an uncertainty of 0.8\" (systematic + statistical). The source shows signs of fading compared to previous XRT observations. We note that there is no obvious host galaxy at this location in the Legacy Survey, although multiple sources exist within a few arcseconds.\n\nWe would like to thank Patrick Slane, Harvey Tananbaum, Dan Schwartz, Jack Steiner, Brad Wargelin, and the entire CXO staff for rapidly approving and planning this observation.\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjk0NDc2Mjg1LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.1xWyIpZLqMN5s7SXys2R1fK9r7i7_pPQbtuiZ2Veho4\n\n",
"published": "2023-09-11T23:51:36.639517Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-09-11T23:51:36.639535Z",
"modified": "2023-09-11T23:51:36.645074Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2901,
"topic": "hermes.message",
"uuid": "c1c8f3ff-699e-48d4-8ba0-fe104a573fb5",
"title": "INTEGRAL follow-up of S230910be",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230910be at 2023-09-10T19:42:54.000\n\n\nSPI-ACS excesses:\nat T0+2.55 FAP = 0.086\nat T0+6.85 FAP = 0.143\nat T0+80.93 FAP = 0.177\nat T0+48.15 FAP = 0.348\nat T0+3.75 FAP = 0.509\nat T0+58.98 FAP = 0.545\nat T0+215.95 FAP = 0.677\nat T0+-3.72 FAP = 0.814\n\n\n\n\nnext break in data in 14 hr: 2023-09-11T09:53:07, for 9.3 hr",
"published": "2023-09-12T00:25:21.156324Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-12T00:25:21.156344Z",
"modified": "2023-09-12T00:25:21.160230Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2902,
"topic": "hermes.message",
"uuid": "379cbc20-48fe-4a99-b93f-e5514be950f8",
"title": "INTEGRAL follow-up of S230910y",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230910y at 2023-09-10T10:25:01.000\n\n\nSPI-ACS excesses:\nat T0+-32.32 FAP = 0.055\nat T0+7.23 FAP = 0.075\nat T0+142.28 FAP = 0.179\nat T0+7.78 FAP = 0.435\nat T0+-79.27 FAP = 0.994\n\n\n\n\nnext break in data in 23 hr: 2023-09-11T09:53:07, for 9.3 hr",
"published": "2023-09-12T00:32:21.014691Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-12T00:32:21.014709Z",
"modified": "2023-09-12T00:32:21.018396Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2903,
"topic": "hermes.message",
"uuid": "ea72420b-98e2-4cd8-a8aa-17cb24c6e310",
"title": "INTEGRAL follow-up of S230911ab",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230911ab at 2023-09-11T19:30:47.000\n\n\nSPI-ACS excesses:\nat T0+-163.2 FAP = 0.167\nat T0+-1.92 FAP = 0.254\nat T0+31.25 FAP = 0.372\nat T0+-127.37 FAP = 0.656\nat T0+88.78 FAP = 0.866\nat T0+-43.12 FAP = 0.978\n\n\n\n\nnext break in data in 53 hr: 2023-09-14T00:36:03, for about 9 hr",
"published": "2023-09-12T00:51:54.652001Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-12T00:51:54.652019Z",
"modified": "2023-09-12T00:51:54.655620Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2904,
"topic": "hermes.message",
"uuid": "b16738e7-283f-405c-a1ac-0b826896acf8",
"title": "INTEGRAL follow-up of S230910bp",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230910bp at 2023-09-10T23:21:21.000\n\n\nSPI-ACS excesses:\nat T0+21.31 FAP = 0.195\nat T0+-72.81 FAP = 0.255\nat T0+262.06 FAP = 0.787\nat T0+-5.54 FAP = 0.911\n\n\n\n\nnext break in data in 11 hr: 2023-09-11T09:53:07, for 9.3 hr",
"published": "2023-09-12T00:58:46.597248Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-12T00:58:46.597266Z",
"modified": "2023-09-12T00:58:46.601057Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 4094,
"topic": "igwn.gwalert",
"uuid": "656a3dbf-6e07-4e35-b94c-f839188f994b",
"title": "S231022al - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
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"gracedb": "https://gracedb.ligo.org/superevents/S231022al/view/"
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"time": "2023-10-22T10:17:30.256Z",
"group": "CBC",
"search": "AllSky",
"area_50": 774.2483877073016,
"area_90": 2208.1815805505803,
"duration": null,
"pipeline": "pycbc",
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"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-10-22T10:22:36Z",
"superevent_id": "S231022al",
"external_coinc": null
},
"message_text": "",
"published": "2023-10-22T10:22:37.548940Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-10-22T10:22:37.548975Z",
"modified": "2023-10-22T10:22:37.554924Z",
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},
{
"id": 4095,
"topic": "igwn.gwalert",
"uuid": "0f23af5d-9fcf-4860-bde3-61cdd4def775",
"title": "S231022bd - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231022bd/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231022bd/view/"
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"event": {
"far": 1.326283119605923e-05,
"time": "2023-10-22T13:22:13.481Z",
"group": "CBC",
"search": "AllSky",
"area_50": 602.6128372616179,
"area_90": 2095.716232092284,
"duration": null,
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"sequence_num": 1,
"time_created": "2023-10-22T13:22:41Z",
"superevent_id": "S231022bd",
"external_coinc": null
},
"message_text": "",
"published": "2023-10-22T13:22:43.505897Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-10-22T13:22:43.505934Z",
"modified": "2023-10-22T13:22:43.517453Z",
"nonlocalizedevents": [],
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{
"id": 9321,
"topic": "lvk-users.beccatest",
"uuid": "64400380-df5d-4f2f-8443-379677a53343",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"H1"
],
"time": [
1400528300
],
"range": 156.36702373091066
},
"message_text": "",
"published": "2024-05-23T19:38:19.203032Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:38:19.203052Z",
"modified": "2024-05-23T19:38:19.203060Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9322,
"topic": "lvk-users.beccatest",
"uuid": "4fa5f185-bed8-40a3-b192-b34710f2174f",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
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],
"time": [
1400528300
],
"range": 165.10662529152313
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"message_text": "",
"published": "2024-05-23T19:38:20.215912Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:38:20.215934Z",
"modified": "2024-05-23T19:38:20.215942Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9323,
"topic": "lvk-users.beccatest",
"uuid": "1f15cd5c-9334-4e89-8716-4ef274bb09a3",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"V1"
],
"time": [
1400528300
],
"range": 50.00678572333021
},
"message_text": "",
"published": "2024-05-23T19:38:26.241683Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:38:26.241703Z",
"modified": "2024-05-23T19:38:26.241712Z",
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"targets": []
},
{
"id": 9324,
"topic": "lvk-users.beccatest",
"uuid": "acf0ac4a-814c-4a45-b02a-4f3128560fa0",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"H1"
],
"time": [
1400528400
],
"range": 156.3566578235865
},
"message_text": "",
"published": "2024-05-23T19:40:02.432366Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:40:02.432394Z",
"modified": "2024-05-23T19:40:02.432402Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9325,
"topic": "lvk-users.beccatest",
"uuid": "9a846e75-43fd-42b6-8e54-f59f8824728f",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"L1"
],
"time": [
1400528400
],
"range": 165.81443329981326
},
"message_text": "",
"published": "2024-05-23T19:40:02.446750Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:40:02.446777Z",
"modified": "2024-05-23T19:40:02.446785Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9326,
"topic": "lvk-users.beccatest",
"uuid": "6bfe171c-e986-439b-83b8-b3e462059ad7",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"V1"
],
"time": [
1400528400
],
"range": 50.15072394258548
},
"message_text": "",
"published": "2024-05-23T19:40:08.486871Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:40:08.486893Z",
"modified": "2024-05-23T19:40:08.486901Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9327,
"topic": "lvk-users.beccatest",
"uuid": "55857d2a-54ad-4afc-b9a7-63a219e9a8cf",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"H1"
],
"time": [
1400528500
],
"range": 156.08473336543662
},
"message_text": "",
"published": "2024-05-23T19:41:38.890675Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:41:38.890694Z",
"modified": "2024-05-23T19:41:38.890703Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9328,
"topic": "lvk-users.beccatest",
"uuid": "97a917ec-7ae2-437e-8f48-08d420078fe2",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"L1"
],
"time": [
1400528500
],
"range": 166.17448058115818
},
"message_text": "",
"published": "2024-05-23T19:41:39.905545Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:41:39.905596Z",
"modified": "2024-05-23T19:41:39.905623Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2906,
"topic": "gcn.circular",
"uuid": "7f8c9bdd-9f97-410f-b590-3a6a314b5e4d",
"title": "GRB230911C: BOOTES-6/DPRT optical upper limit",
"submitter": "Hop gcn.circular",
"authors": "Youdong HU at IAA-CSIC <huyoudong072@hotmail.com>",
"data": {
"date": "23/09/12 01:31:57 GMT",
"from": "Youdong HU at IAA-CSIC <huyoudong072@hotmail.com>",
"title": "GCN CIRCULAR",
"number": "34673",
"subject": "GRB230911C: BOOTES-6/DPRT optical upper limit"
},
"message_text": "E. Fernandez-Garcia, Y.-D. Hu, I. Perez-Garcia, M.D. Caballero-Garcia, R. Sanchez-Ramirez, S. Guziy, S.-Y. Wu and A. J. Castro-Tirado (IAA-CSIC, Granada), P. J. Meintjes and H. J. van Heerden (UFS, South Africa), A. Martin-Carrillo and L. Hanlon (UCD, Ireland) and C. J. Perez del Pulgar (UMA, Malaga), on behalf of a larger collaboration, report:\n\nFollowing the detection of GRB 230911C by Swift (Sonbas et al. GCNC 34655), the BOOTES-6/DPRT 0.6m robotic telescope at Boyden Observatory in Maselspoort (South Africa) automatically observed the GRB location starting on Sep. 11, 17:26 UT (~ 8.7 h after trigger). No new optical source is detected on the co-added images (3 x 60 s, i-filter & 3 x 60 s, Z-filter) within the enhanced Swift/XRT error region (Evans et al. GCNC 34658) down to 19.2 mag and 18.5 mag respectively, which are consistent with reports from GOTO (O'Neill et al. GCNC 34662), UVOT (Breeveld et al. GCNC 34665), LCOGT (Strausbaugh et al. GCNC 34667) and MASTER (Lipunov et al. GCNC 34671).\n\nWe thank the staff at Boyden Observatory for their excellent support.\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjk0NDgyMzIyLCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.LknGflGxBsVL8FA3N4IXe7K7AHakvXkFCWytJ-159ro\n\n",
"published": "2023-09-12T01:32:13.061526Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-09-12T01:32:13.061541Z",
"modified": "2023-09-12T01:32:13.066209Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2907,
"topic": "igwn.gwalert",
"uuid": "b1d41e6d-f820-42dd-8779-bd0e04880643",
"title": "S230911ae - UPDATE",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230911ae/files/bayestar.multiorder.fits,1",
"gracedb": "https://gracedb.ligo.org/superevents/S230911ae/view/"
},
"event": {
"far": 1.889727653724549e-12,
"time": "2023-09-11T19:53:24.201Z",
"group": "CBC",
"search": "AllSky",
"area_50": 10424.027073522693,
"area_90": 27757.119434423716,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
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],
"significant": true,
"skymap_hash": "799eeebd1ee5fd43c96edfc66b0bee84",
"classification": {
"BBH": 0.9999964149220332,
"BNS": 3.5171580962739975e-26,
"NSBH": 2.6033011266448696e-24,
"Terrestrial": 3.585077966827832e-06
},
"skymap_version": 1,
"central_frequency": null
},
"alert_type": "UPDATE",
"sequence_num": 4,
"time_created": "2023-09-12T01:38:56Z",
"superevent_id": "S230911ae",
"external_coinc": null
},
"message_text": "",
"published": "2023-09-12T01:38:57.243776Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-09-12T01:38:57.243794Z",
"modified": "2023-09-12T01:38:57.247526Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2908,
"topic": "gcn.circular",
"uuid": "0d038d75-e3a7-494d-a0ac-c74e27163248",
"title": "LIGO/Virgo/KAGRA S230911ae: Updated Sky localization",
"submitter": "Hop gcn.circular",
"authors": "Aaron Zimmerman at U. of Texas at Austin <aaron.zimmerman@utexas.edu>",
"data": {
"date": "23/09/12 01:48:17 GMT",
"from": "Aaron Zimmerman at U. of Texas at Austin <aaron.zimmerman@utexas.edu>",
"title": "GCN CIRCULAR",
"number": "34674",
"subject": "LIGO/Virgo/KAGRA S230911ae: 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) data around the time of the compact binary merger (CBC) candidate S230911ae (GCN Circular 34666). 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:\n\nhttps://gracedb.ligo.org/superevents/S230911ae\n\nFor the Bilby.multiorder.fits,0 sky map, the 90% credible region is 27759 deg2. Marginalized over the whole sky, the a posteriori luminosity distance estimate is 1623 +/- 584 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 [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.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjk0NDgzMzAyLCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.JzuilCIPPL2FPD4VipQyLcJ7ah1HvwLi6E6dWy8RLfY\n\n",
"published": "2023-09-12T01:48:31.452474Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-09-12T01:48:31.452491Z",
"modified": "2023-09-12T01:48:31.456569Z",
"nonlocalizedevents": [
{
"event_id": "S230911a"
}
],
"targets": []
},
{
"id": 2909,
"topic": "hermes.message",
"uuid": "6444ffcb-7218-44b4-bb44-5880ba8e60ae",
"title": "INTEGRAL follow-up of S230909af",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230909af at 2023-09-09T13:51:21.000\n\n\nSPI-ACS excesses:\nat T0+-5.99 FAP = 0.063\nat T0+28.68 FAP = 0.134\nat T0+7.41 FAP = 0.36\nat T0+-10.49 FAP = 0.575\nat T0+-88.62 FAP = 0.675\nat T0+40.21 FAP = 0.815\n\n\n\n\nnext break in data in 44 hr: 2023-09-11T09:53:07, for 9.3 hr",
"published": "2023-09-12T02:09:17.357204Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-12T02:09:17.357234Z",
"modified": "2023-09-12T02:09:17.361468Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2910,
"topic": "hermes.message",
"uuid": "79a61355-900f-4f95-baa2-a9a2948a46cf",
"title": "INTEGRAL follow-up of S230910ap",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230910ap at 2023-09-10T14:35:17.000\n\n\nSPI-ACS excesses:\nat T0+0.16 FAP = 0.013\nat T0+100.81 FAP = 0.104\nat T0+5.61 FAP = 0.111\nat T0+204.79 FAP = 0.369\nat T0+-10.29 FAP = 0.662\n\n\n\n\nnext break in data in 19 hr: 2023-09-11T09:53:07, for 9.3 hr",
"published": "2023-09-12T02:36:44.230677Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-12T02:36:44.230701Z",
"modified": "2023-09-12T02:36:44.234784Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9329,
"topic": "lvk-users.beccatest",
"uuid": "23e7288d-18dd-48a2-838b-07207547ea7a",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"V1"
],
"time": [
1400528500
],
"range": 50.21341021521558
},
"message_text": "",
"published": "2024-05-23T19:41:46.930605Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:41:46.930640Z",
"modified": "2024-05-23T19:41:46.930655Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2927,
"topic": "igwn.gwalert",
"uuid": "36ec1526-26cf-45cd-bb48-fb7c797887b1",
"title": "S230912t - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230912t/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230912t/view/"
},
"event": {
"far": 1.24444e-05,
"time": "2023-09-12T10:37:32.148Z",
"group": "Burst",
"search": "BBH",
"area_50": 889.651263923837,
"area_90": 3042.4394638904805,
"duration": 0.013156,
"pipeline": "CWB",
"properties": {},
"instruments": [
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"L1"
],
"significant": false,
"skymap_hash": "fcf12eb714fbe42040ee38bc49604ce7",
"classification": {},
"skymap_version": 0,
"central_frequency": 94.122993
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-09-12T10:41:09Z",
"superevent_id": "S230912t",
"external_coinc": null
},
"message_text": "",
"published": "2023-09-12T10:41:11.254701Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-09-12T10:41:11.254716Z",
"modified": "2023-09-12T10:41:11.262048Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9330,
"topic": "lvk-users.beccatest",
"uuid": "7de00522-4b6d-4e8a-b9d1-dd921339baea",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"H1"
],
"time": [
1400528600
],
"range": 156.05324566437113
},
"message_text": "",
"published": "2024-05-23T19:43:19.119768Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:43:19.119797Z",
"modified": "2024-05-23T19:43:19.119810Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9331,
"topic": "lvk-users.beccatest",
"uuid": "79dbd492-a235-4d1f-83c0-4d82bd49f8d5",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"L1"
],
"time": [
1400528600
],
"range": 163.93316148627036
},
"message_text": "",
"published": "2024-05-23T19:43:21.138163Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:43:21.138193Z",
"modified": "2024-05-23T19:43:21.138202Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9332,
"topic": "lvk-users.beccatest",
"uuid": "8ff2fcff-13dc-4cb3-b261-92a7dc93ee30",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"V1"
],
"time": [
1400528600
],
"range": 50.4411795248708
},
"message_text": "",
"published": "2024-05-23T19:43:28.168122Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:43:28.168163Z",
"modified": "2024-05-23T19:43:28.168178Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9333,
"topic": "lvk-users.beccatest",
"uuid": "85b7502c-5ab8-4d00-ad3a-071b350dd592",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"H1"
],
"time": [
1400528700
],
"range": 155.97250674915566
},
"message_text": "",
"published": "2024-05-23T19:45:02.421907Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:45:02.421937Z",
"modified": "2024-05-23T19:45:02.421946Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9334,
"topic": "lvk-users.beccatest",
"uuid": "10b47926-0f5c-4f5e-bf8b-ef3713b077a8",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"L1"
],
"time": [
1400528700
],
"range": 163.83113855728044
},
"message_text": "",
"published": "2024-05-23T19:45:03.436188Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T19:45:03.436218Z",
"modified": "2024-05-23T19:45:03.436226Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2914,
"topic": "gcn.circular",
"uuid": "c7f7d148-4e42-4157-baaf-fdf5b0b112c7",
"title": "GRB 230911C: Swift-BAT refined analysis",
"submitter": "Hop gcn.circular",
"authors": "Amy <yarleen@gmail.com>",
"data": {
"date": "23/09/12 03:07:59 GMT",
"from": "Amy <yarleen@gmail.com>",
"title": "GCN CIRCULAR",
"number": "34675",
"subject": "GRB 230911C: Swift-BAT refined analysis"
},
"message_text": "T. Sakamoto (AGU), S. D. Barthelmy (GSFC),\nH. A. Krimm (NSF), S. Laha (GSFC/UMBC),\nA. Y. Lien (U Tampa), C. B. Markwardt (GSFC),\nD. M. Palmer (LANL), T. Parsotan (GSFC/UMBC),\nE. Sonbas (Adiyaman Univ.), M. Stamatikos (OSU)\n(i.e. the Swift-BAT team):\n\nUsing the data set from T-61 to T+243 sec from the recent telemetry\ndownlink, we report further analysis of BAT GRB 230911C (trigger #1191188)\n(Sonbas et al., GCN Circ. 34655). The BAT ground-calculated position is\nRA, Dec = 226.796, -41.356 deg which is\n RA(J2000) = 15h 07m 11.0s\n Dec(J2000) = -41d 21' 21.2\"\nwith an uncertainty of 2.0 arcmin, (radius, sys+stat, 90% containment).\nThe partial coding was 95%.\n\nThe mask-weighted light curve shows multiple weak overlapping pulses that\nstart at ~T-9 s and end at ~T+10 s. T90 (15-350 keV) is 16.21 +- 2.89 sec\n(estimated error including systematics).\n\nThe time-averaged spectrum from T-8.63 to T+9.58 sec is best fit by a simple\npower-law model. The power law index of the time-averaged spectrum is\n1.26 +- 0.28. The fluence in the 15-150 keV band is 3.8 +- 0.6 x 10^-7\nerg/cm2.\nThe 1-sec peak photon flux measured from T+2.07 sec in the 15-150 keV band\nis 0.7 +- 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/1191188/BA/\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjk0NDg4MDg1LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.Zgg_sCSNW9kjMvi7ggJ2M6JXVh3TXo-sFoKR6pvpork\n\n",
"published": "2023-09-12T03:08:17.410969Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-09-12T03:08:17.410985Z",
"modified": "2023-09-12T03:08:17.417501Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2915,
"topic": "hermes.message",
"uuid": "84af1fde-8d9d-4fe0-81f0-8c25e464c72a",
"title": "INTEGRAL follow-up of S230909ai",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230909ai at 2023-09-09T15:24:18.000\n\n\nSPI-ACS excesses:\nat T0+4.29 FAP = 0.006\nat T0+-62.79 FAP = 0.274\nat T0+75.71 FAP = 0.444\nat T0+-15.31 FAP = 0.456\nat T0+-17.74 FAP = 0.574\nat T0+-184.84 FAP = 0.579\nat T0+84.89 FAP = 0.831\n\n\n\n\nnext break in data in 42 hr: 2023-09-11T09:53:07, for 9.3 hr",
"published": "2023-09-12T03:34:27.706526Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-12T03:34:27.706537Z",
"modified": "2023-09-12T03:34:27.712047Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 2916,
"topic": "hermes.message",
"uuid": "47e31ebb-101a-405f-9f2c-670dd60366b6",
"title": "INTEGRAL follow-up of S230909aj",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230909aj at 2023-09-09T15:39:23.000\n\n\nSPI-ACS excesses:\nat T0+0.29 FAP = 0.013\nat T0+14.24 FAP = 0.105\nat T0+-10.31 FAP = 0.128\nat T0+-96.64 FAP = 0.21\nat T0+-38.31 FAP = 0.274\nat T0+-26.64 FAP = 0.278\nat T0+6.61 FAP = 0.313\nat T0+2.16 FAP = 0.352\nat T0+-12.06 FAP = 0.417\nat T0+-84.99 FAP = 0.444\nat T0+-84.99 FAP = 0.444\nat T0+-72.71 FAP = 0.715\n\n\n\n\nnext break in data in 42 hr: 2023-09-11T09:53:07, for 9.3 hr",
"published": "2023-09-12T04:49:04.171938Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-09-12T04:49:04.171951Z",
"modified": "2023-09-12T04:49:04.178163Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1774,
"topic": "igwn.gwalert",
"uuid": "2ab88ed0-29c0-4d8f-a0da-f73c2a62338e",
"title": "S230802ag - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230802ag/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230802ag/view/"
},
"event": {
"far": 1.862012868514284e-05,
"time": "2023-08-02T08:43:44.767Z",
"group": "CBC",
"search": "AllSky",
"area_50": 614.3629482945743,
"area_90": 2123.4129223842524,
"duration": null,
"pipeline": "spiir",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.011242979242979243,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "7f978c59264e34d535c8cebf6fe27a7b",
"classification": {
"BBH": 0.03793327246468882,
"BNS": 0.0,
"NSBH": 0.0,
"Terrestrial": 0.9620667275353112
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-08-02T08:44:37Z",
"superevent_id": "S230802ag",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-02T08:44:39.248147Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-02T08:44:39.248167Z",
"modified": "2023-08-02T08:44:39.256944Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 4053,
"topic": "igwn.gwalert",
"uuid": "f76be3af-3906-48ab-bf3b-72f8b6101d9b",
"title": "S231020bw - INITIAL",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S231020bw/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S231020bw/view/"
},
"event": {
"far": 3.452423244201222e-10,
"time": "2023-10-20T18:05:09.780Z",
"group": "CBC",
"search": "AllSky",
"area_50": 193.2998176626969,
"area_90": 886.9235595769005,
"duration": null,
"pipeline": "gstlal",
"properties": {
"HasNS": 0.0,
"HasMassGap": 0.0,
"HasRemnant": 0.0
},
"instruments": [
"H1",
"L1"
],
"significant": true,
"skymap_hash": "0c40815997df68a2682c6b56cc3359ca",
"classification": {
"BBH": 0.9996526605007555,
"BNS": 7.902891464001242e-35,
"NSBH": 7.072167673594281e-33,
"Terrestrial": 0.00034733949924448115
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "INITIAL",
"sequence_num": 3,
"time_created": "2023-10-20T19:07:22Z",
"superevent_id": "S231020bw",
"external_coinc": null
},
"message_text": "",
"published": "2023-10-20T19:07:40.208269Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-10-20T19:07:40.208328Z",
"modified": "2023-10-20T19:07:40.214026Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1184,
"topic": "hermes.message",
"uuid": "23b0bd20-2d5d-41d3-b110-2b7a0360549b",
"title": "INTEGRAL follow-up of S230713b",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230713b at 2023-07-13T01:10:50.000\n\n\nSPI-ACS excesses:\nat T0+29.16 FAP = 0.076\nat T0+105.56 FAP = 0.144\nat T0+123.31 FAP = 0.292\nat T0+15.14 FAP = 0.294\nat T0+-35.11 FAP = 0.405\nat T0+-2.44 FAP = 0.436\nat T0+-48.94 FAP = 0.647\nat T0+219.84 FAP = 0.647\nat T0+-88.41 FAP = 0.676\n\n\n\n\nnext break in data in 44 hr: 2023-07-14T21:13:50, for about 9 hr",
"published": "2023-07-13T01:23:52.328787Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-07-13T01:23:52.328804Z",
"modified": "2023-07-13T01:23:52.333915Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1400,
"topic": "igwn.gwalert",
"uuid": "49826120-1244-400f-bec5-034275cddd23",
"title": "S230721g - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230721g/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230721g/view/"
},
"event": {
"far": 1.835283e-05,
"time": "2023-07-21T04:39:52.189Z",
"group": "CBC",
"search": "AllSky",
"area_50": 568.4116212192628,
"area_90": 1887.9910549025203,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 0.1878106995102373
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "2c97fe359ed7d5563f1f7e0299e89f6a",
"classification": {
"BBH": 0.0,
"BNS": 0.0,
"NSBH": 0.00106305,
"Terrestrial": 0.99893695
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-07-21T04:44:59Z",
"superevent_id": "S230721g",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-21T04:45:01.400435Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-21T04:45:01.400473Z",
"modified": "2023-07-21T04:45:01.407370Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1745,
"topic": "hermes.message",
"uuid": "8cbf4ac5-2d1f-4971-bb1a-015bac582408",
"title": "INTEGRAL follow-up of S230730r",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230730r at 2023-07-30T05:06:06.000\n\n\nSPI-ACS excesses:\nat T0+0.64 FAP = 0.101\nat T0+3.77 FAP = 0.454\nat T0+-6.36 FAP = 0.743\nat T0+-92.61 FAP = 0.866\nat T0+-69.58 FAP = 0.924\n\n\n\n\nnext break in data in 15 hr: 2023-07-30T20:18:34, for 9.2 hr",
"published": "2023-08-01T23:49:51.900559Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-08-01T23:49:51.900592Z",
"modified": "2023-08-01T23:49:51.910515Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1744,
"topic": "hermes.message",
"uuid": "64a8c04f-df4d-4225-9583-312698aadce2",
"title": "INTEGRAL follow-up of S230731al",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230731al at 2023-07-31T21:43:05.000\n\n\nSPI-ACS excesses:\nat T0+6.37 FAP = 0.016\nat T0+96.62 FAP = 0.078\nat T0+11.5 FAP = 0.098\nat T0+32.47 FAP = 0.282\nat T0+-23.23 FAP = 0.459\nat T0+-204.28 FAP = 0.658\nat T0+-3.7 FAP = 0.754\n\n\n\n\nnext break in data in 38 hr: 2023-08-02T12:11:10, for 9.2 hr",
"published": "2023-08-01T23:26:26.420503Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-08-01T23:26:26.420520Z",
"modified": "2023-08-01T23:26:26.426727Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1173,
"topic": "hermes.message",
"uuid": "60d9e4b4-310c-4e76-b225-33f4ec8937e7",
"title": "INTEGRAL follow-up of S230712ap",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230712ap at 2023-07-12T12:06:58.000\n\n\n\n\n\nbreak since 7.8 hr next data in 2.5 hr",
"published": "2023-07-12T12:08:16.340076Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-07-12T12:08:16.340093Z",
"modified": "2023-07-12T12:08:16.344720Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1743,
"topic": "hermes.message",
"uuid": "8d59cd7c-3faa-46b0-8607-89cbfca2db50",
"title": "INTEGRAL follow-up of S230801x",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230801x at 2023-08-01T06:39:41.000\n\n\nSPI-ACS excesses:\nat T0+-126.88 FAP = 0.11\nat T0+-73.01 FAP = 0.626\nat T0+28.69 FAP = 0.64\nat T0+-114.03 FAP = 0.717\nat T0+-143.23 FAP = 0.763\nat T0+20.32 FAP = 0.859\n\n\n\n\nnext break in data in 30 hr: 2023-08-02T12:11:10, for 9.2 hr",
"published": "2023-08-01T23:18:40.134550Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-08-01T23:18:40.134576Z",
"modified": "2023-08-01T23:18:40.141052Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1742,
"topic": "igwn.gwalert",
"uuid": "58fd9623-9bdf-49e9-80ad-23b881c06510",
"title": "S230801am - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230801am/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230801am/view/"
},
"event": {
"far": 1.44293e-05,
"time": "2023-08-01T23:08:12.227Z",
"group": "Burst",
"search": "BBH",
"area_50": 2140.1987952884756,
"area_90": 6202.380038110525,
"duration": 0.024542,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6914dcac0520e3a06a1819a7bff6481e",
"classification": {},
"skymap_version": 0,
"central_frequency": 55.496223
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-08-01T23:16:10Z",
"superevent_id": "S230801am",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-01T23:16:11.760474Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-01T23:16:11.760495Z",
"modified": "2023-08-01T23:16:11.766659Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1428,
"topic": "hermes.message",
"uuid": "b61f2e22-86a7-482d-bbc7-c577503a7014",
"title": "INTEGRAL follow-up of S230722c",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230722c at 2023-07-22T00:44:08.000\n\n\nSPI-ACS excesses:\nat T0+7.4 FAP = 0.035\nat T0+1.0 FAP = 0.171\nat T0+-6.4 FAP = 0.509\nat T0+-202.9 FAP = 0.71\nat T0+113.0 FAP = 0.788\nat T0+-71.8 FAP = 0.937\n\n\n\n\nnext break in data in 20 hr: 2023-07-22T20:46:13, for 9.2 hr",
"published": "2023-07-22T00:56:25.461546Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-07-22T00:56:25.461566Z",
"modified": "2023-07-22T00:56:25.467042Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1399,
"topic": "igwn.gwalert",
"uuid": "a7fbf0d0-4ac8-4c50-8c84-3d431c5e4b5b",
"title": "S230721g - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230721g/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230721g/view/"
},
"event": {
"far": 1.835283e-05,
"time": "2023-07-21T04:39:52.189Z",
"group": "CBC",
"search": "AllSky",
"area_50": 568.4116212192628,
"area_90": 1887.9910549025203,
"duration": null,
"pipeline": "MBTA",
"properties": {
"HasNS": 1.0,
"HasMassGap": 0.0,
"HasRemnant": 0.1878106995102373
},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "2c97fe359ed7d5563f1f7e0299e89f6a",
"classification": {
"BBH": 0.0,
"BNS": 0.0,
"NSBH": 0.00106305,
"Terrestrial": 0.99893695
},
"skymap_version": 0,
"central_frequency": null
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-07-21T04:40:25Z",
"superevent_id": "S230721g",
"external_coinc": null
},
"message_text": "",
"published": "2023-07-21T04:40:27.611030Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-07-21T04:40:27.611062Z",
"modified": "2023-07-21T04:40:27.620019Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 766,
"topic": "igwn.gwalert",
"uuid": "948f462c-1e49-4d85-b9d1-77eebd08fbff",
"title": "S230630ac - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230630ac/files/bayestar.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230630ac/view/"
},
"event": {
"far": 1.8366e-05,
"time": "2023-06-30T09:46:11.347Z",
"group": "Burst",
"search": "BBH",
"area_50": 579.1126151957052,
"area_90": 2360.0937303338014,
"duration": 0.011174,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "34ccf3849a55320c8a86da4773162ed7",
"classification": {},
"skymap_version": 0,
"central_frequency": 154.891235
},
"alert_type": "PRELIMINARY",
"sequence_num": 2,
"time_created": "2023-06-30T09:52:25Z",
"superevent_id": "S230630ac",
"external_coinc": null
},
"message_text": "",
"published": "2023-06-30T09:52:26.827477Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-06-30T09:52:26.827501Z",
"modified": "2023-06-30T09:52:26.832478Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 711,
"topic": "gcn.circular",
"uuid": "b0a7501a-3c03-417c-a95b-e36017a28efd",
"title": "ZTF23aaoohpy /AT2023lcr: TNG NIR detection",
"submitter": "Hop gcn.circular",
"authors": "Paolo D'Avanzo at INAF-OAB <pda.davanzo@gmail.com>",
"data": {
"date": "23/06/28 14:15:11 GMT",
"from": "Paolo D'Avanzo at INAF-OAB <pda.davanzo@gmail.com>",
"title": "GCN CIRCULAR",
"number": "34102",
"subject": "ZTF23aaoohpy /AT2023lcr: TNG NIR detection"
},
"message_text": "R. Brivio, M. Ferro, P. DâAvanzo (INAF-OAB), D. B. Malesani (U. Radboud and DAWN/NBI), A. Melandri (INAF-OAB, INAF-OAR), \nC. Padilla-Torres, A. Harutyunyan (INAF-TNG) on behalf of the CIBO collaboration report:\n\nWe observed the field of ZTF23aaoohpy/AT2023lcr (Swain et al., GCN 34022) with the Italian 3.6m TNG telescope equipped with \nthe near-infrared camera NICS. A series of images were obtained with the J and K filters on 2023-06-22 from 03:10:54 UT to 04:32:57 UT \n(i.e. at a mid time of about 60117.16 MJD).\n\nAt the position of the previously reported optical transient (e.g., Swain et al., GCN 34022, Gompertz et al., GCN 34023, Kumar et al., \nGCN 34025, Adami et al., GCN 34030, Perley et al., GCN 34031, Jian et al., GCN 34040) we clearly detect a source in both J and K filters.\n\nFrom preliminary photometry we derive K ~ 18.8 mag (Vega; calibrated against the 2MASS catalogue), not corrected for Galactic extinction.\n\n\n\n\n---\nTo unsubscribe, open this link in a web browser:\nhttps://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6ImdjbmNpcmN1bGFyQGRldi5ob3Auc2NpbW1hLm9yZyIsInRvcGljcyI6WyJjaXJjdWxhcnMiXSwiaWF0IjoxNjg3OTYxNzE3LCJpc3MiOiJodHRwczovL2djbi5uYXNhLmdvdiJ9.BFcfoIE2sav-GzOoVX9LN46GDMyG9XktCrxNepZwto0\n\n",
"published": "2023-06-28T14:15:23.875368Z",
"message_parser": "GCN Circular Parser v1",
"retracted": false,
"created": "2023-06-28T14:15:23.875389Z",
"modified": "2023-06-28T14:15:23.879797Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1741,
"topic": "igwn.gwalert",
"uuid": "33d45f40-423a-4923-a922-f604e403398a",
"title": "S230801am - PRELIMINARY",
"submitter": "cody.messick-30d512c8",
"authors": "LVK",
"data": {
"urls": {
"skymap": "https://gracedb.ligo.org/api/superevents/S230801am/files/cwb.multiorder.fits,0",
"gracedb": "https://gracedb.ligo.org/superevents/S230801am/view/"
},
"event": {
"far": 1.44293e-05,
"time": "2023-08-01T23:08:12.227Z",
"group": "Burst",
"search": "BBH",
"area_50": 2140.1987952884756,
"area_90": 6202.380038110525,
"duration": 0.024542,
"pipeline": "CWB",
"properties": {},
"instruments": [
"H1",
"L1"
],
"significant": false,
"skymap_hash": "6914dcac0520e3a06a1819a7bff6481e",
"classification": {},
"skymap_version": 0,
"central_frequency": 55.496223
},
"alert_type": "PRELIMINARY",
"sequence_num": 1,
"time_created": "2023-08-01T23:11:36Z",
"superevent_id": "S230801am",
"external_coinc": null
},
"message_text": "",
"published": "2023-08-01T23:11:37.200954Z",
"message_parser": "IGWN Alert Avro Parser v1",
"retracted": false,
"created": "2023-08-01T23:11:37.200975Z",
"modified": "2023-08-01T23:11:37.206910Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1740,
"topic": "hermes.message",
"uuid": "00ee0418-42c8-4deb-82f4-65b822de8f48",
"title": "INTEGRAL follow-up of S230729ax",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230729ax at 2023-07-29T16:26:45.000\n\n\nSPI-ACS excesses:\nat T0+10.08 FAP = 0.038\nat T0+-5.54 FAP = 0.243\nat T0+3.18 FAP = 0.679\nat T0+34.31 FAP = 0.989\n\n\n\n\nnext break in data in 28 hr: 2023-07-30T20:18:34, for 9.2 hr",
"published": "2023-08-01T23:11:09.113761Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-08-01T23:11:09.113792Z",
"modified": "2023-08-01T23:11:09.122346Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1166,
"topic": "hermes.message",
"uuid": "cfa64e12-cec6-416c-a040-7addea7c1737",
"title": "INTEGRAL follow-up of S230712ak",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230712ak at 2023-07-12T08:55:17.000\n\n\n\n\n\nbreak since 4.7 hr next data in 5.7 hr",
"published": "2023-07-12T09:08:40.047455Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-07-12T09:08:40.047473Z",
"modified": "2023-07-12T09:08:40.052715Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 1739,
"topic": "hermes.message",
"uuid": "7c19f8d0-a6fb-45ee-8a50-14cc9cdcf133",
"title": "INTEGRAL follow-up of S230730av",
"submitter": "Volodymyr Savchenko",
"authors": "",
"data": {},
"message_text": "INTEGRAL follow-up of S230730av at 2023-07-30T12:33:23.000\n\n\nSPI-ACS excesses:\nat T0+-1.7 FAP = 0.004\nat T0+6.38 FAP = 0.049\nat T0+14.83 FAP = 0.23\nat T0+-186.4 FAP = 0.502\nat T0+-144.7 FAP = 0.566\nat T0+236.88 FAP = 0.934\nat T0+-81.22 FAP = 0.943\n\n\n\n\nnext break in data in 7.8 hr: 2023-07-30T20:18:34, for 9.2 hr",
"published": "2023-08-01T22:19:39.777598Z",
"message_parser": "Hermes Message Parser v2",
"retracted": false,
"created": "2023-08-01T22:19:39.777615Z",
"modified": "2023-08-01T22:19:39.785866Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9386,
"topic": "lvk-users.beccatest",
"uuid": "e7aacc91-e80f-4637-b35c-953a3edb70f8",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"V1"
],
"time": [
1400530400
],
"range": 50.213821699807866
},
"message_text": "",
"published": "2024-05-23T20:13:27.968649Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T20:13:27.968685Z",
"modified": "2024-05-23T20:13:27.968703Z",
"nonlocalizedevents": [],
"targets": []
},
{
"id": 9385,
"topic": "lvk-users.beccatest",
"uuid": "645d519b-b485-46c3-b617-fac428837d80",
"title": "Generic Message",
"submitter": "",
"authors": "",
"data": {
"ifo": [
"L1"
],
"time": [
1400530400
],
"range": 165.0504118992372
},
"message_text": "",
"published": "2024-05-23T20:13:19.888339Z",
"message_parser": "",
"retracted": false,
"created": "2024-05-23T20:13:19.888369Z",
"modified": "2024-05-23T20:13:19.888383Z",
"nonlocalizedevents": [],
"targets": []
}
]
}