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GRB Time
[UT]
Trigger
Number
BAT RA
(J2000)
BAT Dec
(J2000)
BAT T90
[sec]
BAT Fluence
(15-150 keV)
[10-7 erg/cm2]
XRT RA
(J2000)
XRT Dec
(J2000)
XRT Time to First
Observation
[sec]
XRT Early Flux
(0.3-10 keV)
[10-11 erg/cm2/s]
UVOT RA
(J2000)
UVOT Dec
(J2000)
UVOT Time to
First Observation
[sec]
UVOT Magnitude Other Observatory Detections Redshift Host Galaxy Comments References
191019A 15:12:33 930285 340.035
22:40:08.4
-17.340
-17:20:24.0
64.35 100 22:40:5.93 -17:19:40.9 3210.93 n/a n/a n/a 3294 V>18.75       Due to an observing constraint, Swift did not slew until T0+51.6 minutes. BAT: GCN 26031; GCN 26046
XRT: GCN 26043; GCN 26045; GCN 26048; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 26053
191017B 14:36:06 929981 245.131
16:20:31.4
-73.583
-73:34:58.8
5.95 5.6 16:20:29.98 -73:32:26.6 103.84 n/a n/a n/a 302 V>18.1       UVOT: no detection BAT: GCN 26021; GCN 26030
XRT: GCN 26021; GCN 26022; GCN 26027; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 26021; GCN 26029
191016A 04:09:00 929744 30.268
02:01:04.3
24.508
24:30:28.8
219.70 65 02:01:04.64 24:30:35.6 45000 n/a 02:01:04.68 24:30:35.7 45023 n/a COATLI (50cm), KAIT (0.76m), HJT (1.5m), BOOTES Network, OSN (1.5m), AZT-20, MITSuME (50cm), REM (60cm)     Due to a Moon observing constraint, Swift did not slew to the BAT position until 15:17 UT on 2019 October 16. BAT: GCN 26008; GCN 26012
XRT: GCN 26026; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 26024
191011A 04:35:56 928924 44.729
02:58:55.0
-27.853
-27:51:10.8
7.37 3.3 02:58:54.71 -27:50:43.4 74.78 n/a 02:58:54.79 -27:50:43.4 78 V>20.2 VLT, MPG (2.2m), LCO (1m), Fermi (GBM), HJT (1.5m) 1.722 (VLT)     BAT: GCN 25988; GCN 26003
XRT: GCN 25988; GCN 25995; GCN 25998; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 25988
Redshift: GCN 25991 (VLT)
191004B 21:33:41 927839 49.200
03:16:48.0
-39.637
-39:38:13.2
37.7 25 03:16:49.01 -39:38:05.4 57.66 181 03:16:49.10 -39:38:03.9 69 V>20.07 MASTER-SAAO, LCO (1m), NOT, VLT, COATLI (50cm), MPG (2.2m), Konus-Wind 3.503 (VLT: absorption)     BAT: GCN 25947; GCN 25955
XRT: GCN 25947; GCN 25951; GCN 25961; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 25947; GCN 25978
Redshift: GCN 25956 (VLT)
191004A 18:07:02 927825 31.716
02:06:51.8
-36.932
-36:55:55.2
2.44 13 02:06:40.44 -36:55:59.2 81.53 n/a n/a n/a 84 V>18.06 MASTER-SAAO, LCO (1m), Konus-Wind, CALET (CGBM)     UVOT: Results from the list of sources generated on-board shows an optical source consistent with the XRT position. Because there was not automatic aspect solution for the image, the precise position and magnitude will be reported later. BAT: GCN 25945; GCN 25953
XRT: GCN 25945; GCN 25950; GCN 25957; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 25945; GCN 25972
191001B 17:19:20 927345 86.423
05:45:41.5
-15.880
-15:52:48.0
108.9 46 n/a n/a n/a n/a n/a n/a n/a n/a       Due to higher priority observations, Swift did not slew to the BAT position. There is no prompt XRT or UVOT data for this trigger. BAT: GCN 25902; GCN 25930
190926A 09:52:16 926515 100.616
06:42:27.8
59.531
59:31:51.6
368.9 25 06:42:16.94 59:31:44.9 134.03 587 n/a n/a 144 V>20.0       UVOT: no detection BAT: GCN 25848; GCN 25860
XRT: GCN 25848; GCN 25850; GCN 25851; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 25848; GCN 25853
190919B 23:46:40 INTEGRAL 311.8862
20:47:32.7
-44.7029
-44:42:10.4
n/a n/a 20:47:30.68 -44:41:43.5 n/a n/a n/a n/a 28564 V>19.6       GCN 25788 (INTEGRAL) XRT: GCN 25793
UVOT: GCN 25795
190829A 19:56:44.60 922968 44.542
02:58:10.1
-8.958
-08:57:28.8
58.2 64 02:58:10.51 -08:57:29.3 97.31 77.5 n/a n/a 106 V=17.52 Fermi (GBM), Dabancheng (0.5m), MASTER-Kislovodsk, GROWTH-India, NOT, GTC (10.4m), H.E.S.S., MPG (2.2m), AGILE, KAIT (0.76m), MMT (6.5m), UKIRT, Liverpool (2m), NOEMA @ 90 GHz, TNG (3.6m), Keck I, uGMRT (1050-1450 MHz), MeerKAT @ 1.3 GHz, LCO (1m), GROND, MASTER-SAAO, Konus-Wind, Stroncone Observatory (50cm), ATCA at 5.5 GHz, ZTSh (2.6m) 0.0785 (GTC: absorption & emission from SDSS J025810.28-085719.2)
0.078 (Keck I: emission from host)
  We note the presence of a galaxy SDSS J025810.28-085719.2 with z=0.07914 centered at a distance of 10 arcseconds from the XRT location. BAT: GCN 25552; GCN 25579
XRT: GCN 25552; GCN 25567; GCN 25568; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 25552; GCN 25570
Radio: GCN 25589 (NOEMA); GCN 25627 (uGMRT); GCN 25635 (MeerKAT); GCN 25676 (ATCA)
Redshift: GCN 25565 (GTC); GCN 25595 (Keck I)
GRB Time
[UT]
Trigger
Number
BAT RA
(J2000)
BAT Dec
(J2000)
BAT T90
[sec]
BAT Fluence
(15-150 keV)
[10-7 erg/cm2]
XRT RA
(J2000)
XRT Dec
(J2000)
XRT Time to First
Observation
[sec]
XRT Early Flux
(0.3-10 keV)
[10-11 erg/cm2/s]
UVOT RA
(J2000)
UVOT Dec
(J2000)
UVOT Time to
First Observation
[sec]
UVOT Magnitude Other Observatory Detections Redshift Host Galaxy Comments References
190828B 12:59:59.42 922808 251.838
16:47:21.1
27.287
27:17:13.2
66.6 42 16:47:19.51 27:16:50.8 54.70 212 n/a n/a 63 V>19.1 Fermi (GBM), AstroSat CZTI     UVOT: no detection BAT: GCN 25517; GCN 25534
XRT: GCN 25517; GCN 25521; GCN 25546; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 25517; GCN 25544
190824A 14:46:39 922107 215.323
14:21:17.5
-41.900
-41:54:00.0
169.4 85 14:21:13.19 -41:53:37.5 524.4 10 n/a n/a 568 V>17.8 Fermi (GBM)       BAT: GCN 25463; GCN 25482
XRT: GCN 25463; GCN 25466; GCN 25470; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 25463; GCN 25479
190823A 13:30:22 MAXI 279.278
18:37:06.7
-43.439
-43:26:20.4
n/a n/a 18:38:44.97 -43:31:40.4 n/a n/a n/a n/a n/a n/a       MAXI: GCN 25456 XRT: GCN 25476; GCN 25680; Evans et al., 2009, MNRAS, 397, 1177
190821A 17:10:03 921722 250.070
16:40:16.8
-34.027
-34:01:37.2
57.1 24 16:40:13.15 -34:00:25.5 77.97 295 n/a n/a 89 V>18.3 Les Makes T60 (60cm), Fermi (GBM)     UVOT: no detection BAT: GCN 25427; GCN 25464
XRT: GCN 25427; GCN 25436; GCN 25444; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 25427; GCN 25450
190816A 14:42:24 920783 341.183
22:44:43.9
-29.745
-29:44:42.0
375.0 98 22:44:45.48 -29:45:27.4 141700 n/a n/a n/a n/a n/a       Due to a Moon observing constraint, Swift did not slew to the BAT position until 17:11 UT on 2019 August 17. BAT: GCN 25368; GCN 25405
XRT: GCN 25399; GCN 25473; Evans et al., 2009, MNRAS, 397, 1177
190804B 07:58:15 MAXI 239.895
15:59:34.8
-44.773
-44:46:22.8
n/a n/a 16:00:6.02 -44:46:53.9 37200 n/a n/a n/a n/a n/a       MAXI: GCN 25262 XRT: GCN 25273; GCN 25286; Evans et al., 2009, MNRAS, 397, 1177
190731A 22:38:20 Fermi 342.8
22:51:12.0
-73.9
-73:54:00.0
n/a n/a 22:38:52.83 -76:34:38.8 33400 n/a n/a n/a 33372 V>20.0       Fermi: GCN 25240
UVOT: no detection
XRT: GCN 25251; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 25257
190727B 20:18:17 916733 126.500
08:25:60.0
-13.272
-13:16:19.2
40.14 180 n/a n/a n/a n/a n/a n/a n/a n/a Fermi (GBM & LAT), Konus-Wind     Due to a Sun observing constraint, Swift cannot slew to the BAT position until 16:42 UT on 2019 September 12. BAT: GCN 25176; GCN 25211
190719C 14:58:34 915381 240.208
16:00:49.9
13.005
13:00:18.0
185.7 51 16:00:49.65 13:00:00.0 60.93 1690 n/a n/a 71 V>18.7 Fermi (GBM), NOT 2.469 (VLT: emission, host) r=22.01 (NOT), M = -22.9 AB (VLT) UVOT: no detection BAT: GCN 25106; GCN 25129
XRT: GCN 25106; GCN 25125; GCN 25126; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 25106; GCN 25128
Redshift: GCN 25252 (VLT)
Host: GCN 25110 (NOT); GCN 25252 (VLT)
190718A 04:41:15 915091 336.605
22:26:25.2
-41.184
-41:11:02.4
720.0 3.6 22:26:18.27 -41:12:16.0 66.38 n/a n/a n/a 70 V>18.3       UVOT: no detection BAT: GCN 25082; GCN 25097
XRT: GCN 25082; GCN 25084; GCN 25093; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 25082
GRB Time
[UT]
Trigger
Number
BAT RA
(J2000)
BAT Dec
(J2000)
BAT T90
[sec]
BAT Fluence
(15-150 keV)
[10-7 erg/cm2]
XRT RA
(J2000)
XRT Dec
(J2000)
XRT Time to First
Observation
[sec]
XRT Early Flux
(0.3-10 keV)
[10-11 erg/cm2/s]
UVOT RA
(J2000)
UVOT Dec
(J2000)
UVOT Time to
First Observation
[sec]
UVOT Magnitude Other Observatory Detections Redshift Host Galaxy Comments References
190708B 19:49:58 MAXI 326.571
21:46:17.0
7.711
07:42:39.6
n/a n/a 21:45:56.83 07:52:55.5 58500 n/a n/a n/a n/a n/a       MAXI: GCN 25037 XRT: GCN 25053; GCN 25073; Evans et al., 2009, MNRAS, 397, 1177
190706B 12:40:50 913302 107.443
07:09:46.3
-29.575
-29:34:30.0
25.16 5.8 07:09:50.89 -29:33:10.3 94.39 n/a n/a n/a 100 V>19.9       UVOT: no detection BAT: GCN 24993; GCN 25003
XRT: GCN 24993; GCN 24994; GCN 24995; GCN 24999; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 24993; GCN 25023
190701A 09:45:20 912310 28.131
01:52:31.4
58.899
58:53:56.4
52.4 8.7 01:52:19.52 58:54:33.7 141.11 n/a n/a n/a 145 V>19.3 MAXI/GSC     UVOT: no detection BAT: GCN 24934; GCN 24973
XRT: GCN 24934; GCN 24935; GCN 24940; GCN 24961; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 24934; GCN 24955
190630C 23:52:59 912239 293.890
19:35:33.6
-32.759
-32:45:32.4
38.4 23 19:35:31.32 -32:44:38.9 149.34 102 n/a n/a 136 V>18.1 AstroSat CZTI     UVOT: no detection BAT: GCN 24927; GCN 24941
XRT: GCN 24927; GCN 24930; GCN 24958; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 24927; GCN 24945
190630B 06:02:08 912102 223.729
14:54:55.0
41.528
41:31:40.8
5.6 2.8 14:54:48.06 41:31:34.1 47 n/a n/a n/a 65 V>18.87 KAIT (0.96m)     UVOT: no detection BAT: GCN 24913; GCN 24918
XRT: GCN 24913; GCN 24919
UVOT: GCN 24913; GCN 24943
190627A 11:18:31 911609 244.843
16:19:22.3
-5.302
-05:18:07.2
1.60 0.99 16:19:18.73 -05:17:20.5 109.76 79.8 16:19:18.69 -05:17:20.8 115 n/a NUTTelA-TAO, Montarrenti Observatory (0.53m), VIRT (0.5m), MASTER-SAAO, GMG (2.4m), Calar Alto (2.2m), Liverpool (2m), Ondrejov (50cm), NOT, Xinglong (2.16m), Koshka Zeiss-1000 (1m), VLT, DCT (4.3m) 1.942 (VLT: absorption)     BAT: GCN 24888; GCN 24899
XRT: GCN 24888; GCN 24890; GCN 24906; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 24888; GCN 24889
Redshift: GCN 24916 (VLT)
190613B 10:47:02 908329 305.434
20:21:44.2
-4.655
-04:39:18.0
160.84 23 20:21:43.67 -04:38:49.6 97.47 490 20:21:43.66 -04:38:48.0 106 V>18.0 Fermi (GBM), KAIT (0.76m), BOOTES-5/JGT (60cm), NOT (2.5m), Insight-HXMT/HE, MPG (2.2m), Asiago Schmidt (0.92m), Konus-Wind, AstroSat CZTI, FRAM-Auger (30cm)       BAT: GCN 24807; GCN 24820
XRT: GCN 24807; GCN 24812; GCN 24823; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 24807; GCN 24817
190613A 04:07:18 908288 182.552
12:10:12.5
67.244
67:14:38.4
17.6 17 12:10:07.01 67:14:07.2 136.52 118 12:10:07.01 67:14:07.0 145 V=18.63 Fermi (GBM), KAIT (0.76m), MASTER-IAC, FRAM-ORM (25cm)       BAT: GCN 24798; GCN 24819
XRT: GCN 24798; GCN 24809; GCN 24810; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 24798; GCN 24815
190611A 17:49:01 907950 324.689
21:38:45.4
-56.070
-56:04:12.0
41.8 4.6 21:38:53.43 -56:04:27.4 113.46 n/a n/a n/a 118 n/a       UVOT: no detection BAT: GCN 24785; GCN 24790
XRT: GCN 24785; GCN 24786; GCN 24793; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 24785; GCN 24792
190610A 11:27:45 907754 46.244
03:04:58.6
-7.66
-07:39:36.0
0.62 4.1 n/a n/a 292300 n/a n/a n/a 292282 V>20.3 Insight-HXMT/HE, CALET, Konus-Wind     Due to a Sun observing constraint, Swift could not slew to the BAT position until 10:44 UT on 2019 June 14.
XRT: Given the low significance of the fading, the faintness of the source, and the fact that low-level variability is not uncommon among X-ray sources, we cannot say with confidence that this is definitely the afterglow of GRB 190610A, however it remains a tantalizing possibility. Due to the faint nature of the object, no further XRT observations are planned.
UVOT: no detection
BAT: GCN 24775; GCN 24783
XRT: GCN 24833; GCN 24898
UVOT: GCN 24834
GRB Time
[UT]
Trigger
Number
BAT RA
(J2000)
BAT Dec
(J2000)
BAT T90
[sec]
BAT Fluence
(15-150 keV)
[10-7 erg/cm2]
XRT RA
(J2000)
XRT Dec
(J2000)
XRT Time to First
Observation
[sec]
XRT Early Flux
(0.3-10 keV)
[10-11 erg/cm2/s]
UVOT RA
(J2000)
UVOT Dec
(J2000)
UVOT Time to
First Observation
[sec]
UVOT Magnitude Other Observatory Detections Redshift Host Galaxy Comments References
190604B 14:57:15 906654 297.546
19:50:11.0
-32.975
-32:58:30.0
220.2 177 19:50:09.74 -32:58:40.6 116.77 1110 n/a n/a 128 V>17.95 VLT       BAT: GCN 24742; GCN 24752
XRT: GCN 24742; GCN 24743; GCN 24746; GCN 24749; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 24742; GCN 24747
190531B 07:29:11 Fermi 24.37
01:37:28.8
-41.97
-41:58:12.0
n/a n/a 01:37:11.09 -41:57:30.3 18200 n/a n/a n/a 18175 n/a       Fermi: GCN 24701
UVOT: no detection
XRT: GCN 24706; Evans et al., 2009, MNRAS, 397, 1177
190530A 10:19:08 Fermi 120.76
08:03:02.4
35.5
35:30:00.0
n/a n/a 08:02:07.80 35:28:45.7 33800 n/a 08:02:07.70 35:28:46.8 33800 V=18.49       Fermi: GCN 24679 XRT: GCN 24689; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 24703
190519A 07:25:39 904394 114.758
07:39:01.9
-38.813
-38:48:46.8
45.58 180 07:39:04.24 -38:48:19.6 84.96 43.5 n/a n/a 150 V>18.7 Fermi (GBM), CALET (GBM), AstroSat (CZTI), Konus-Wind     UVOT: no detection BAT: GCN 24595; GCN 24606
XRT: GCN 24595; GCN 24597; GCN 24608; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 24595; GCN 24612
190515B 16:04:21 903845 98.826
06:35:18.2
52.322
52:19:19.2
46.4 16 06:35:23.62 52:19:02.3 82.44 77.8 n/a n/a 93 V>18.9       UVOT: no detection BAT: GCN 24553; GCN 24564
XRT: GCN 24553; GCN 24554; GCN 24557; GCN 24561; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 24553; GCN 24568