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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
171222A 16:24:59 799669 148.273
09:53:05.5
35.624
35:37:26.4
174.8 19 09:53:06.64 35:37:35.9 169.70 669 n/a n/a 176 V>19.2 NOT, GTC (10.4m), MASTER-Net, Nanshan (1m), Fermi (GBM) 2.409 (GTC: absorption)   UVOT: no detection BAT: GCN 22265; GCN 22280
XRT: GCN 22265; GCN 22266; GCN 22271; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 22265; GCN 22275
Redshift: GCN 22272 (GTC)
171216A 03:06:59 797441 212.013
14:08:03.1
-50.500
-50:30:00.0
30.0 4.8 14:07:57.77 -50:29:05.1 115.21 53.7 n/a n/a 124 V>17.8       UVOT: no detection BAT: GCN 22256; GCN 22259
XRT: GCN 22256; GCN 22257; GCN 22260; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 22256; GCN 22262
171212A 11:57:21 796778 293.920
19:35:40.8
20.597
20:35:49.2
320 34 19:35:40.28 20:35:31.3 91.05 1280 n/a n/a 99 V>19.0 CALET (CGBM)     Because this event is very close to the Galactic plane (lat=0.03 degrees) it is possibly a Galactic transient, in which case it takes the name 'Swift J1935.7+2036'.
UVOT: no detection
BAT: GCN 22243; GCN 22253
XRT: GCN 22243; GCN 22245; GCN 22251; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 22243; GCN 22248
171211A 09:27:32 796469 98.154
06:32:37.0
-58.689
-58:41:20.4
2.32 2.4 06:32:32.26 -58:41:28.9 91.89 n/a n/a n/a 362 V>19.0       UVOT: no detection BAT: GCN 22234; GCN 22241
XRT: GCN 22234; GCN 22236; GCN 22240; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 22239
171209A 14:46:16 796100 139.387
09:17:32.9
-30.523
-30:31:22.8
161.7 75 09:17:36.65 -30:31:12.6 n/a n/a 09:17:36.70 -30:31:12.0 107 V=17.3 LCO (1m), Lulin (1m), Konus-Wind       BAT: GCN 22213; GCN 22229
XRT: GCN 22218; GCN 22219; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 22213; GCN 22221
171205A 07:20:43 794972 167.423
11:09:41.5
-12.599
-12:35:56.4
189.4 36 11:09:39.50 -12:35:18.6 144.69 281 11:09:39.547 -12:35:17.93 154 V=18.22 VLT, HJT (1.5m), GMG (2.4m), NOEMA @ 150GHz, LSGT (0.43m), TNG (3.6m), GOTO, CTIO (1.3m), CHILESCOPE (1m), LCO (1m), MPG (2.2m), MASTER-SAAO, GTC (10.4m), TSHAO (1m), UKIRT (3.8m), VLA @ 6 GHz, SAO-RAS, Mondy (AZT-33IK), iTelescope (0.43m), MASTER-Net, Konus-Wind, JCMT, ALMA @ 92 and 340 GHz, RATAN @ 4.7 and 8.2 GHz, GMRT @ 1400 MHz, VLBA @ 4.4 GHz, eMERLIN @ 5.1 GHz, ATCA @ 2.1, 5.5, & 9.0 GHz 0.0368 (VLT: emission & absorption) Likely host: 2MASX J11093966-1235116 (z = 0.037)   BAT: GCN 22177; GCN 22184; GCN 22231
XRT: GCN 22177; GCN 22179; GCN 22183; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 22177; GCN 22181; GCN 22202
Radio: GCN 22187 (NOEMA); GCN 22216 (VLA); GCN 22242 (JCMT); GCN 22252 (ALMA); GCN 22258 (RATAN); GCN 22264 (GMRT); GCN 22302 (VLBA); GCN 22350 (eMERLIN); GCN 27812 (ATCA); GCN 29640 (ACTA)
Redshift: GCN 22180 (VLT)
Host: GCN 22178
171123A 14:14:47 791922 186.198
12:24:47.5
32.503
32:30:10.8
58.5 4.8 12:24:59.15 32:30:03.7 90.22 n/a n/a n/a 94 V>18.8 Tautenburg     UVOT: no detection BAT: GCN 22148; GCN 22153
XRT: GCN 22148; GCN 22150; GCN 22151; GCN 22152; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 22148; GCN 22158
171120A 13:20:02 791201 163.774
10:55:05.8
22.461
22:27:39.6
64 86 10:55:09.71 22:27:31.2 88.52 200 n/a n/a 99 V>19.1 Fermi (LAT & GBM), Konus-Wind, Astrosat CZTI, Insight-HXMT, CGBM     UVOT: no detection BAT: GCN 22133; GCN 22139
XRT: GCN 22133; GCN 22135; GCN 22137; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 22133; GCN 22144
171115A 18:51:20 790053 278.392
18:33:34.1
9.118
09:07:04.8
38.2 6.9 18:33:33.14 09:07:29.6 69.18 78.3 n/a n/a 76 n/a         BAT: GCN 22124; GCN 22127
XRT: GCN 22124; GCN 22125; GCN 22126; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 22124
171103A 23:10:32 785850 249.510
16:38:02.4
-10.206
-10:12:21.6
3.90 3.8 n/a n/a n/a n/a n/a n/a n/a n/a Fermi (GBM), Konus-Wind, Astrosat, Insight-HXMT     Due to a Sun observing constraint, Swift cannot slew to the BAT position until 11:32 UT on 2018 January 15. BAT: GCN 22095; GCN 22099
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
171102B 15:20:29 785510 288.096
19:12:23.0
22.434
22:26:02.4
17.8 9.3 19:12:18.67 22:26:39.3 123.77 n/a n/a n/a 125 V>19.3       UVOT: no detection BAT: GCN 22082; GCN 22088
XRT: GCN 22082; GCN 22084; GCN 22085; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 22082; GCN 22086
171027A 08:23:06 783479 61.683
04:06:43.9
-2.601
-02:36:03.6
96.6 75 04:06:45.78 -02:37:19.6 87.58 1360 n/a n/a 95 V>19.7 HJT (1.5m), Konus-Wind       BAT: GCN 22053; GCN 22066
XRT: GCN 22053; GCN 22054; GCN 22062; GCN 22063; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 22053; GCN 22064
171020A 23:07:10 780845 39.260
02:37:02.4
15.199
15:11:56.4
41.9 12 02:36:59.61 15:12:14.9 144.45 n/a n/a n/a 147 V>19.4 NOT, SAO RAS (1.0m), Liverpool (2m), HJT (1.5m), TAROT (25cm) 1.87 (NOT: absorption)     BAT: GCN 22028; GCN 22038
XRT: GCN 22028; GCN 22034; GCN 22035; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 22028; GCN 22040
Redshift: GCN 22039 (NOT)
171011A 18:32:47 778154 236.766
15:47:03.8
-10.064
-10:03:50.4
2.27 11 n/a n/a n/a n/a n/a n/a n/a n/a       Due to a Sun observing constraint, Swift cannot slew to the BAT position until 11:46 UT on 2018 January 03. BAT: GCN 21993; GCN 22006
171010B 20:59:24.168 778019
Ground Analysis
34.123
02:16:29.5
-54.410
-54:24:36.0
30.4 3.9 02:16:32.20 -54:23:29.2 91100 n/a n/a n/a n/a n/a Fermi (GBM)       BAT: GCN 21995
XRT: GCN 22009; GCN 22023; Evans et al., 2009, MNRAS, 397, 1177
171007A 11:57:38 777215 135.635
09:02:32.4
42.930
42:55:48.0
105 2.9 09:02:24.11 42:49:09.1 68.94 62.2 n/a n/a 77 V>19.5 Fermi (GBM)     UVOT: no detection BAT: GCN 21976; GCN 21981
XRT: GCN 21976; GCN 21978; GCN 21979; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21976
171004A 07:55:32 776347 139.150
09:16:36.0
52.684
52:41:02.4
107.1 30 09:16:40.65 52:41:35.3 174.70 322 n/a n/a 184 n/a       UVOT: no detection BAT: GCN 21966; GCN 21973
XRT: GCN 21966; GCN 21970;GCN 21971; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21966; GCN 21974
171001A 18:25:40 775553 22.080
01:28:19.2
-11.928
-11:55:40.8
22.8 6.4 01:28:18.58 -11:53:38.9 193.73 n/a n/a n/a 198 V>18.2 IRSF (1.4m), Nanshan (0.36m)       BAT: GCN 21946; GCN 21958
XRT: GCN 21946; GCN 21952; GCN 21956; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21946; GCN 21955
170921A 14:28:48 773509 26.840
01:47:21.6
30.880
30:52:48.0
28.9 6.7 01:47:23.77 30:54:24.2 97.31 n/a n/a n/a 100 V>19.9 HJT (1.5m), Insight-HXMT       BAT: GCN 21901; GCN 21912
XRT: GCN 21901; GCN 21904; GCN 21906; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21901; GCN 21913
170912B 06:33:46 772052 215.464
14:21:51.4
-61.997
-61:59:49.2
19.6 24 14:21:50.04 -61:59:48.9 50.28 47.6 n/a n/a 60 V>18.08 Fermi (GBM)     UVOT: no detection BAT: GCN 21864; GCN 21879
XRT: GCN 21864; GCN 21868; GCN 21873; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21864; GCN 21881
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
170912A 01:34:16 772006 167.386
11:09:32.6
-54.343
-54:20:34.8
21.9 11 11:09:29.62 -54:19:35.0 118.71 n/a n/a n/a 122 V>18.8       UVOT: no detection BAT: GCN 21861; GCN 21877
XRT: GCN 21861; GCN 21862; GCN 21863; GCN 21876; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21861; GCN 21874
170906C 07:26:17 770981 128.659
08:34:38.2
70.805
70:48:18.0
48.4 88 08:34:36.85 70:48:42.0 1292.07 n/a n/a n/a 1296 V>19.4 Konus-Wind     Due to an observing constraint, Swift did not slew until T0+18.9 minutes.
UVOT: no detection
BAT: GCN 21826; GCN 21832
XRT: GCN 21828; GCN 21831; GCN 21834; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21835
170906B 00:55:46 770958 232.221
15:28:53.0
-28.251
-28:15:03.6
n/a n/a 15:28:49.01 -28:15:21.9 78.55 n/a n/a n/a 81 V>17.5 Fermi (GBM)     UVOT: no detection BAT: GCN 21822; GCN 21841
XRT: GCN 21822; GCN 21823; GCN 21845; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21822; GCN 21846
170906A 00:43:11 770957 203.949
13:35:47.8
-47.088
-47:05:16.8
88.1 320 13:35:49.26 -47:06:03.2 67.34 4120 13:35:49.20 -47:06:02.1 77 V=14.65 REM (60cm), Fermi (LAT & GBM), MASTER-OAFA, Astronaut CZTI, Konus-Wind, CGBM, Insight-HXMT       BAT: GCN 21821; GCN 21838
XRT: GCN 21821; GCN 21824; GCN 21836; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21821; GCN 21847
170903A 12:49:07 770528 254.532
16:58:07.7
34.985
34:59:06.0
29.2 24 16:58:06.24 34:58:44.7 3117.48 n/a n/a n/a 3484 V>1.7 Fermi (GBM) 0.886 (GTC: emission from host) i-band (AB) = 23.17 (GTC) Due to an observing constraint, Swift did not slew until T0+49.5 minutes.
UVOT: no detection
BAT: GCN 21793; GCN 21796
XRT: GCN 21794; GCN 21797; GCN 21800; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21806
Redshift: GCN 21799 (GTC)
Host: GCN 21799 (GTC)
170827A 05:12:28 769567 276.189
18:24:45.4
-40.202
-40:12:07.2
94.0 14 18:24:36.19 -40:12:05.8 124.10 423 n/a n/a 134 n/a       UVOT: no detection BAT: GCN 21718; GCN 21724
XRT: GCN 21718; GCN 21730; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21718; GCN 21722
170823A 22:16:48 769177 188.713
12:34:51.1
35.549
35:32:56.4
69.4 26 n/a n/a n/a n/a n/a n/a n/a n/a       Due to a Sun observing constraint, Swift cannot slew to the BAT position until 18:03 UT on 2017 October 17. BAT: GCN 21666; GCN 21678
170822A 09:11:51 768939 94.375
06:17:30.0
55.000
55:00:00.0
64 64 06:17:32.73 55:00:15.1 163.18 228 n/a n/a 171 V>1.2 BOOTES-5/JGT (60cm)     UVOT: no detection BAT: GCN 21640; GCN 21651
XRT: GCN 21640; GCN 21643; GCN 21647; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21640; GCN 21649
170813A 01:13:16 767563 201.057
13:24:13.7
-5.527
-05:31:37.2
75.5 19 13:24:13.82 -05:29:26.9 134.10 55.9 n/a n/a 144 V>19.3 Fermi (GBM)     UVOT: no detection BAT: GCN 21468; GCN 21473
XRT: GCN 21468; GCN 21469; GCN 21470
UVOT: GCN 21468; GCN 21480
170810A 22:01:41 767284 187.928
12:31:42.7
3.664
03:39:50.4
152.4 48 12:31:45.30 03:39:38.4 76.48 445 12:31:45.33 03:39:38.9 85 V=15.88 MASTER II, Fermi (LAT & GBM), VLA @ 7.1 GHz       BAT: GCN 21450; GCN 21458
XRT: GCN 21450; GCN 21451; GCN 21455; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21450; GCN 21454
Radio: GCN 21492 (VLA)
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
170807A 21:56:09 766821 143.434
09:33:44.2
-17.348
-17:20:52.8
48.5 8.6 n/a n/a n/a n/a n/a n/a n/a n/a       Due to a Sun observing constraint, Swift cannot slew to the BAT position until 06:56 UT on 2017 October 03. BAT: GCN 21420; GCN 21423
170804A 12:01:37 766194 6.404
00:25:37.0
-64.781
-64:46:51.6
43.4 13 00:25:34.20 -64:47:03.5 122.57 53.7 00:25:34.29 -64:47:03.1 132 V>18.7         BAT: GCN 21410; GCN 21416
XRT: GCN 21410; GCN 21413; GCN 21414; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21410; GCN 21415
170803A 17:30:27 766081 174.947
11:39:47.3
-16.312
-16:18:43.2
3.82 9.8 11:39:44.18 -16:18:37.0 120.1 10 11:39:44.11 -16:18:38.0 88 n/a Fermi (GBM)       BAT: GCN 21405; GCN 21412
XRT: GCN 21405; GCN 21407; GCN 21408; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21405; GCN 21411
170728B 23:03:19 765130 238.019
15:52:04.6
70.111
70:06:39.6
47.7 6.2 15:51:55.48 70:07:20.4 468.88 n/a n/a n/a 473 V=20.23 TNG (3.6m), NOT (2.56m), Liverpool (2m), XMM-Newton, Fermi (LAT & GBM), OSN (1.5m), COATLI (50cm), MASTER II, BOOTES-2/TELMA (0.6m), Crni Vrh (60cm), VLA @ 6 GHz, Konus-Wind, Zeiss-1000 (TSHAO), Zeiss-1000 (SAO), Kottamia (1.88m)       BAT: GCN 21371; GCN 21384
XRT: GCN 21371; GCN 21376; GCN 21377; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21371; GCN 21399
Radio: GCN 21395 (VLA)
170728A 06:53:28 765008 58.901
03:55:36.2
12.169
12:10:08.4
1.25 0.71 03:55:33.20 12:10:53.5 70.64 n/a 03:55:33.17 12:10:54.7 74 V>19.1         BAT: GCN 21367; GCN 21370
XRT: GCN 21367; GCN 21368; GCN 21378; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21367; GCN 21386
170724A 00:48:44 764204 150.057
10:00:13.7
-1.025
-01:01:30.0
98.0 11 n/a n/a n/a n/a n/a n/a n/a n/a Konus-Wind     Due to a Sun observing constraint, Swift cannot slew to the BAT position until 09:13 UT on 2017 October 11. BAT: GCN 21364; GCN 21365
170714A 12:25:32 762535 34.322
02:17:17.3
1.962
01:57:43.2
n/a 28 02:17:23.97 01:59:29.0 392.71 246 n/a n/a 384 V>18.6 GTC (10.4m), Chandra, ATCA @ 19 GHz 0.793 (GTC: emission from host)     BAT: GCN 21340; GCN 21347
XRT: GCN 21340; GCN 21341; GCN 21343; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21340; GCN 21351; GCN 21353
Radio: GCN 21424 (ATCA)
Redshift: GCN 21359 (GTC)
Host: GCN 21359 (GTC)
170711A 22:20:25 761622 45.782
03:03:07.7
47.845
47:50:42.0
31.3 14 03:03:12.12 47:50:56.8 63.36 n/a n/a n/a 124 V>18.9 Fermi (GBM)       BAT: GCN 21321; GCN 21331
XRT: GCN 21321; GCN 21322; GCN 21323; GCN 21325; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21321; GCN 21329
170710B 08:10:06.251 Ground Analysis 43.122
02:52:29.3
42.679
42:40:44.4
54.4 24 n/a n/a 85200 n/a n/a n/a 85200 n/a Fermi (GBM)     XRT: no detection
UVOT: no detection
BAT: GCN 21316
XRT: GCN 21318; GCN 21354
UVOT: GCN 21318
170710A 00:45:44 761119 231.851
15:27:24.2
-38.523
-38:31:22.8
32.6 7.4 15:27:16.85 -38:29:05.9 123.73 407 n/a n/a 132 V>17.9         BAT: GCN 21308; GCN 21313
XRT: GCN 21308; GCN 21309; GCN 21310; GCN 21312; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21308; GCN 21315
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
170705A 02:45:47 760064 191.708
12:46:49.9
18.298
18:17:52.8
217.3 95 12:46:48.96 18:18:25.4 72.29 157 12:46:48.97 18:18:26.4 82 V>18.3 MASTER-OAFA, HJT (1.5m), Fermi (GBM), GTC (10.4m), Konus-Wind, ISON/Terskol (0.8m), Insight-HXMT, KAIT (0.76m), TShAO Zeiss-1000 (1m), Astrosat CZTI 2.010 (GTC: absorption)     BAT: GCN 21289; GCN 21296
XRT: GCN 21289; GCN 21290; GCN 21292; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21289; GCN 21294
Redshift: GCN 21298 (GTC)
170629A 12:53:33 759159 129.963
08:39:51.1
-46.585
-46:35:06.0
34.4 26 08:39:56.44 -46:34:16.7 82.90 51.6 n/a n/a 86 n/a Fermi (GBM)       BAT: GCN 21283; GCN 21287
XRT: GCN 21283; GCN 21286; GCN 21288; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21283
170626A 09:37:23 758766 165.409
11:01:38.2
56.479
56:28:44.4
12.94 82 11:01:34.46 56:28:36.5 58.50 152.3 n/a n/a n/a n/a Fermi (GBM), SAO RAS (1m), OSN (1.5m), TNG (3.6m), MASTER II, OASDG (0.5m), Insight-HXMT, TShAO (1m), Konus-Wind     The XRT position is 5.4 arcmin away from a magnitude 2 star (Merak), therefore there are no UVOT data for this burst. BAT: GCN 21264; GCN 21271
XRT: GCN 21264; GCN 21267; Evans et al., 2009, MNRAS, 397, 1177
170607A 23:21:33 756284 7.358
00:29:25.9
9.225
09:13:30.0
n/a 75 00:29:27.82 09:14:35.7 73.41 532 00:29:27.82 09:14:36.0 84 V=17.51 NOT (2.5m), Fermi (GBM), MASTER-Tavrida, ISON/Terskol (0.8m), GTC (10.4m) 0.557 (GTC: emission)     BAT: GCN 21214; GCN 21230
XRT: GCN 21214; GCN 21215; GCN 21216; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21214; GCN 21220
Redshift: GCN 21240 (GTC)
170604A 19:08:50 755867 342.645
22:50:34.8
-15.406
-15:24:21.6
26.70 51 22:50:37.49 -15:24:44.4 124.72 n/a 22:50:37.52 -15:24:43.9 128 V=18.94 iTelescope T27 (0.70m), GTC (10.4m), MPG (2.2m), AbAO AS-32 (0.7m), HJT (1.5m), Konus-Wind 1.329 (GTC: absorption)     BAT: GCN 21191; GCN 21195
XRT: GCN 21191; GCN 21196; GCN 21198; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21207
Redshift: GCN 21197 (GTC)
170531B 22:02:09 755354 286.901
19:07:36.2
-16.414
-16:24:50.4
164.13 20 19:07:32.09 -16:25:07.9 140.90 273 19:07:32.10 -16:25:05.8 152 V>18.88 MASTER-Kislovodsk, CrAO (Zeiss-1000), GTC (10.4m), MPG (2.2m), ISON/Terskol (0.8m), WHT (4.2m) 2.366 (GTC: absorption)
Consistent with GTC results (WHT)
    BAT: GCN 21171; GCN 21186
XRT: GCN 21171; GCN 21175; GCN 21182; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21171; GCN 21188
Redshift: GCN 21177 (GTC); GCN 21209 (WHT)
170531A 20:07:32 755343 121.218
08:04:52.3
-14.017
-14:01:01.2
26.74 7.5 08:05:00.57 -14:01:21.8 122.64 29.2 n/a n/a 3523 V>17.5       UVOT: no detection BAT: GCN 21170; GCN 21185
XRT: GCN 21170; GCN 21180; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21172; GCN 21184
170526A 13:35:08 754549 4.723
00:18:53.5
1.277
01:16:37.2
7.9 1.6 00:18:49.70 01:16:37.3 124.30 n/a n/a n/a 128 V>18.5       UVOT: no detection BAT: GCN 21149; GCN 21156
XRT: GCN 21149; GCN 21151; GCN 21154; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21149; GCN 21155
170524B 10:40:40 754265 90.864
06:03:27.4
-17.086
-17:05:09.6
46.4 66 06:03:28.36 -17:04:57.8 120000 n/a 06:03:28.49 -17:04:58.7 120000 n/a Konus-Wind     On-board analysis was truncated by a pre-planned slew to a scheduled target. BAT: GCN 21142
XRT: GCN 21150; GCN 21168; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21168
170524A 19:49:15 754322 319.488
21:17:57.1
48.603
48:36:10.8
0.10 0.37 21:17:56.74 48:36:24.7 60.7 n/a n/a n/a 67 V>17.9       XRT: There is evidence that the source may be fading, however we cannot constrain the decay at the current time.
UVOT: no detection
BAT: GCN 21135; GCN 21143
XRT: GCN 21135; GCN 21136; GCN 21139
UVOT: GCN 21135; GCN 21141
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
170519A 05:10:02 753445 163.429
10:53:43.0
25.374
25:22:26.4
216.4 11 10:53:42.50 25:22:26.8 80.40 358 10:53:42.45 25:22:27.5 93 V=17.46 iTelescope T24 (0.61m), HJT (1.5m), LCO (1m), Weihai (1m), iTelescope T11 (0.51m), KAIT (0.76m), BOOTES-5/JGT (60cm), GTC (10.4m), NOT (2.5m), MITSuME (50cm), Watcher (40cm), ISON/Multa (22cm), CrAO (AZT-11), Sayan Observatory (AZT-33IK), Zeiss-1000 (1m) 0.818 (GTC: absorption)     BAT: GCN 21106; GCN 21112
XRT: GCN 21106; GCN 21107; GCN 21114; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21106; GCN 21118
Redshift: GCN 21119 (GTC)
170516A 12:49:20 753110 41.543
02:46:10.3
-55.929
-55:55:44.4
36.78 8.5 02:46:16.43 -55:54:34.7 80.54 49.6 n/a n/a 87 V>19.8       UVOT: no detection BAT: GCN 21097; GCN 21102
XRT: GCN 21097; GCN 21098; GCN 21101; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21097; GCN 21099
170428A 09:13:42 750298 330.051
22:00:12.2
26.913
26:54:46.8
0.20 2.8 22:00:18.75 26:54:56.9 84.63 n/a n/a n/a 740 V>20.0 Konus-Wind, MPG (2.2m), HJT (1.5m), DCT (4.3m), TNG (3.6m), DOT (3.6m)     UVOT: no detection BAT: GCN 21042; GCN 21046
XRT: GCN 21042; GCN 21047; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21042; GCN 21049
170419B 21:33:46 748947 60.494
04:01:58.6
-15.121
-15:07:15.6
77.2 19 n/a n/a n/a n/a n/a n/a n/a n/a Fermi (GBM)     Due to a Sun observing constraint, Swift cannot slew to the BAT position until 05:29 UT on 2017 June 19. BAT: GCN 21016; GCN 21025
170419A 13:26:40 748898 79.854
05:19:25.0
-21.433
-21:25:58.8
8.18 3.1 05:19:25.11 -21:25:26.0 101.17 n/a n/a n/a 592 V>19.6       UVOT: no detection BAT: GCN 21013; GCN 21018
XRT: GCN 21013; GCN 21015; GCN 21021; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21013; GCN 21035
170405A 18:39:48 745797 219.824
14:39:17.8
-25.236
-25:14:09.6
164.7 37 14:39:18.66 -25:14:36.2 120.60 n/a 14:39:18.73 -25:14:35.4 129 V=16.31 Fermi (GBM & LAT), NOT, TAROT (18cm), GTC (10.4m), Watcher (40cm), ISON/Terskol (0.8m), Konus-Wind, HJT (1.5m), CTIO (1.3m) 3.510 (GTC: absorption)     BAT: GCN 20984; GCN 20999
XRT: GCN 20984; GCN 20985; GCN 20997; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20984; GCN 21000
Redshift: GCN 20990 (GTC)
170331A 01:40:46 744791 323.778
21:35:06.7
-24.406
-24:24:21.6
17.57 9.7 21:35:10.07 -24:23:10.9 124.20 n/a n/a n/a 128 V>18.5       UVOT: no detection BAT: GCN 20946; GCN 20967
XRT: GCN 20946; GCN 20948; GCN 20960; GCN 20962; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20946; GCN 20965
170330A 22:29:51 744773 283.331
18:53:19.4
-13.458
-13:27:28.8
144.73 56 18:53:19.31 -13:25:52.2 98.36 71.3 18:53:19.36 -13:25:51.2 109 V>18.4 AstroSat, Konus-Wind, CALET       BAT: GCN 20944; GCN 20968
XRT: GCN 20944; GCN 20945; GCN 20961; CGN 20963; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20944; GCN 20959
170325A 07:56:57.95 Ground Analysis 127.483
08:29:55.9
20.526
20:31:33.6
0.3 0.88 n/a n/a n/a n/a n/a n/a n/a n/a Fermi (GBM), AZT-33IK   BAT: the spacecraft was slewing at that time, there was no onboard triggers   BAT: GCN 20938
170318B 15:27:52 743086 284.229
18:56:55.0
6.335
06:20:06.0
160.0 5.5 18:57:13.46 06:17:57.0 73.72 53.9 n/a n/a 84 V>19.4 Fermi (GBM)     UVOT: no detection BAT: GCN 20908; GCN 20923
XRT: GCN 20908; GCN 20909; GCN 20910; GCN 20918; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20908; GCN 20919
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
170318A 12:11:56 743065 305.662
20:22:38.9
28.408
28:24:28.8
133.7 37 20:22:40.12 28:24:21.7 107.98 67.8 n/a n/a 117 V>17.0       UVOT: no detection BAT: GCN 20904; GCN 20912
XRT: GCN 20904; GCN 20905; GCN 20907; GCN 20917; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20904; GCN 20914
170317A 09:45:59 742866 93.087
06:12:20.9
50.500
50:30:00.0
11.94 13 06:12:14.87 50:29:34.9 83.30 n/a 06:12:14.82 50:29:35.2 87 V=18.36 SANTEL-650 (0.65m), Xinglong (0.8m), GMG (2.4m), AZT-33IK, MITSuME (50cm), Faulkes North (2m), HJT (1.5m), POLAR, DOAO (1m)       BAT: GCN 20885; GCN 20896
XRT: GCN 20885; GCN 20887; GCN 20891; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20885; GCN 20894
170311A 08:08:42 741965 280.539
18:42:09.4
-30.041
-30:02:27.6
6.32 2.5 18:42:21.46 -30:02:45.5 105.10 n/a n/a n/a 110 V>20.3         BAT: GCN 20846; GCN 20855
XRT: GCN 20846; GCN 20850; GCN 20852; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20846; GCN 20851
170307A 20:24:21 741528 13.510
00:54:02.4
9.538
09:32:16.8
56.92 13 n/a n/a n/a n/a n/a n/a n/a n/a Fermi (GBM)     Due to a Sun observing constraint, Swift cannot slew to the BAT position until 00:33 UT on 2017 May 24. BAT: GCN 20832; GCN 20838
170306A 07:06:12 741220 263.087
17:32:20.9
-44.765
-44:45:54.0
17.8 8.3 17:32:16.56 -44:44:53.5 133.50 n/a n/a n/a 140 V>18.1 MPG (2.2m)     UVOT: no detection BAT: GCN 20819; GCN 20829
XRT: GCN 20819; GCN 20828; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20819; GCN 20823
170208B 22:33:38 737463 127.145
08:28:34.8
-9.027
-09:01:37.2
128.07 61 08:28:34.55 -09:01:47.7 61.77 716 n/a n/a 127 V>19.6 Konus-Wind, Fermi (GBM), WHT (4.2m)   MPG: possible host UVOT: no detection BAT: GCN 20632; GCN 20654
XRT: GCN 20632; GCN 20635; GCN 20637; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20632; GCN 20657
Host: GCN 20640 (MPG)
170208A 18:11:16 737438 166.544
11:06:10.6
-46.786
-46:47:09.6
7.45 15 11:06:15.52 -46:46:05.6 120.19 n/a n/a n/a 125 V>19.3 Fermi (GBM), Konus-Wind, AstroSat (CZTI)       BAT: GCN 20631; GCN 20653
XRT: GCN 20631; GCN 20634; GCN 20649; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20631; GCN 20644
170206B 21:57:25 737125 271.784
18:07:08.2
11.175
11:10:30.0
13.36 3.2 18:07:04.95 11:11:37.8 88 n/a n/a n/a 106 V>18.2       UVOT: no detection BAT: GCN 20618; GCN 20622
XRT: GCN 20618; GCN 20619; GCN 20620; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20626
170205A 12:39:09 736843 262.157
17:28:37.7
-0.058
-00:03:28.8
26.1 38 17:28:40.63 -00:03:47.6 61.11 705 17:28:40.69 -00:03:47.3 314 V>20.3 LCO (2m), HJT (1.5m), NOT, Konus-Wind       BAT: GCN 20603; GCN 20613
XRT: GCN 20603; GCN 20610; GCN 20611; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20603
170203A 00:03:41 736432 332.861
22:11:26.6
25.186
25:11:09.6
45.2 6.2 n/a n/a n/a n/a n/a n/a n/a n/a       Due to a Sun observing constraint, Swift cannot slew to the BAT position until 01:25 UT on 2017 April 10. BAT: GCN 20583; GCN 20597
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
170202A 18:28:02 736407 152.526
10:10:06.2
5.021
05:01:15.6
46.2 33 10:10:03.46 05:00:41.0 72.49 221 10:10:03.49 05:00:41.8 84 V=18.27 Xinglong TNT (0.8m), MASTER II, LCO (1m), Zadko (D=100cm), Kanata, NOT, GTC (10.4m), MITSuME (50cm), Xinglong (2.16m), VLT, T100 (1m), LCO FTN (2m), McDonald Observatory (2.1m), HJT (1.5m), VIRT (0.5m), Konus-Wind, CTIO (1.3m) 3.645 (GTC: absorption and emission)
3.65 (Xinglong: absorption)
3.645 (VLT: absorption and emission)
    BAT: GCN 20575; GCN 20596
XRT: GCN 20575; GCN 20586; GCN 20592; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20575; GCN 20587
Redshift: GCN 20584 (GTC); GCN 20588 (Xinglong); GCN 20589 (VLT); GCN 20590 (VLT)
170131A 23:15:13 736107
Ground Analysis
341.447
22:45:47.3
64.006
64:00:21.6
n/a n/a n/a n/a 78400 n/a n/a n/a 78368 n/a Fermi (GBM), POLAR     XRT: One possible source, but cannot confirm it as the afterglow.
UVOT: no detection
BAT: GCN 20570
XRT: GCN 20573
UVOT: GCN 20574
170127B 15:13:28 735331 19.997
01:19:59.3
-30.340
-30:20:24.0
0.51 1.0 01:19:54.50 -30:21:29.1 74.68 n/a n/a n/a 114 V>19.4 Fermi (GBM)     UVOT: no detection BAT: GCN 20540; GCN 20566
XRT: GCN 20540; GCN 20550; GCN 20560; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20540; GCN 20554
170127A 14:21:15 735326 174.382
11:37:31.7
-45.827
-45:49:37.2
62.26 5.2 11:37:26.33 -45:50:08.3 95.86 71 n/a n/a 102 V>18.7       UVOT: no detection BAT: GCN 20538; GCN 20565
XRT: GCN 20538; GCN 20539; GCN 20548: GCN 20558; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20538; GCN 20552
170126A 11:30:42 735188 263.623
17:34:29.5
-64.755
-64:45:18.0
9.5 28 17:34:31.86 -64:45:38.9 87.10 n/a 17:34:31.97 -64:45:37.3 91 V>17.7 Fermi (GBM), AstroSat CZTI, Konus-Wind       BAT: GCN 20530; GCN 20557
XRT: GCN 20530; GCN 20531; GCN 20535; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20530; GCN 20534
170115A 20:50:08 733103 332.145
22:08:34.8
13.750
13:45:00.0
48.0 4.7 22:08:33.23 13:43:42.1 91.49 51.4 n/a n/a 100 V>19.67       UVOT: no detection BAT: GCN 20462; GCN 20471
XRT: GCN 20462; GCN 20465; GCN 20470; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20462; GCN 20478
170113A 10:04:05 732526 61.735
04:06:56.4
-71.933
-71:55:58.8
20.66 6.7 04:06:55.94 -71:56:34.4 58.73 101 04:06:55.86 -71:56:34.9 68 V=19.09 LCO (1m), Fermi (GBM), MPG (2.2m), VLT 1.968 (VLT: absorption)     BAT: GCN 20446; GCN 20456
XRT: GCN 20446; GCN 20450; GCN 20454; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20446; GCN 20455
Redshift: GCN 20458 (VLT)
170112A 02:02:00 732188 15.232
01:00:55.7
-17.233
-17:13:58.8
0.06 0.13 n/a n/a 62.3 n/a n/a n/a 279 V>19.2       XRT: no detection
UVOT: no detection
BAT: GCN 20436; GCN 20443
XRT: GCN 20436; GCN 20440
UVOT: GCN 20436; GCN 20451
170111A 00:33:28 731887 20.688
01:22:45.1
-32.541
-32:32:27.6
29.9 8.1 01:22:47.37 -32:33:54.2 106.70 n/a n/a n/a 111 V>18.0       UVOT: no detection BAT: GCN 20423; GCN 20433
XRT: GCN 20423; GCN 20424; GCN 20431; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 20423; GCN 20441
170101A 02:26:01 729293 267.089
17:48:21.4
11.642
11:38:31.2
2.43 60 n/a n/a n/a n/a n/a n/a n/a n/a POLAR, Lomonosov, Konus-Wind     Due to a Sun observing constraint, Swift cannot slew to the BAT position until 23:58 UT on 2017 January 19. BAT: GCN 20349; GCN 20353

* The data were put in a different sequence not labeled with the trigger number but the trigger number is correct.

NOTES:

  1. Table does not contain about ~10 weak detections which we did not distribute because we were uncertain about their validity.
  2. All numbers are preliminary and may be revised as we do reprocessing (s/w improvements, thinking/experience improvements).

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