Laboratory for Experimental Astrophysics

Ultra-long gamma-ray burst candidates

For any questions, comments and suggestions concerning ultra-long GRSs detected by Konus-Wind please contact Dmitry Svinkin (svinkin@mail·ioffe·ru).

Ultralong bursts

UT ▲▼	Duration, s ▲▼
1995-01-30 12:59:20 (46760 s)	2200
1995-02-25 15:07:02 (54422 s)	1260
1995-03-01 21:02:04 (75724 s)	362
1995-11-24 06:58:49 (25129 s)	421
1995-12-28 12:28:38 (44918 s)	336
1996-01-07 05:17:36 (19056 s)	569
1996-01-27 12:49:20 (46160 s)	4700
1996-04-14 03:38:21 (13101 s)	245
1996-05-05 18:39:14 (67154 s)	277
1996-08-25 00:16:53 (1013 s)	590
1996-09-08 13:59:42 (50382 s)	831
1996-09-16 03:51:06 (13866 s)	339
1996-12-08 05:24:03 (19443 s)	312
1997-05-18 07:06:22 (25582 s)	427
1997-06-18 12:05:18 (43518 s)	274
1997-08-17 05:37:40 (20260 s)	306
1997-10-22 11:52:32 (42752 s)	383
1997-10-29 06:13:48 (22428 s)	728
1997-12-08 07:48:21 (28101 s)	2505
1997-12-16 15:13:21 (54801 s)	809
1998-03-01 12:36:33 (45393 s)	447
1998-05-31 07:39:12 (27552 s)	574
1998-06-24 23:41:35 (85295 s)	329
1998-07-03 04:22:18 (15738 s)	389
1999-04-07 23:58:49 (86329 s)	594
1999-07-18 11:59:10 (43150 s)	592
1999-09-04 13:43:26 (49406 s)	298
1999-10-09 16:34:17 (59657 s)	1101
2000-04-16 20:54:12 (75252 s)	297
2000-06-09 19:20:05 (69605 s)	454
2000-06-13 22:15:35 (80135 s)	271
2000-06-14 08:24:33 (30273 s)	656
2000-12-19 07:35:22 (27322 s)	353
2000-12-21 22:15:24 (80124 s)	565
2001-05-13 11:33:40 (41620 s)	377
2001-06-29 03:45:16 (13516 s)	485
2002-03-14 04:16:02 (15362 s)	2702
2002-04-10 10:39:10 (38350 s)	1478
2003-03-04 13:23:47 (48227 s)	1775
2003-03-22 02:29:40 (8980 s)	315
2003-03-28 07:27:16 (26836 s)	526
2003-05-05 07:38:49 (27529 s)	418
2003-05-11 01:33:43 (5623 s)	630
2003-09-10 15:37:54 (56274 s)	818
2004-01-31 02:21:14 (8474 s)	459
2004-01-31 02:21:14 (8474 s)	459
2004-02-05 09:22:07 (33727 s)	392
2004-03-08 21:57:17 (79037 s)	710
2004-09-22 07:16:18 (26178 s)	474
2005-06-14 12:01:30 (43290 s)	304
2005-10-06 19:10:13 (69013 s)	724
2006-01-19 12:23:14 (44594 s)	288
2006-02-28 09:16:44 (33404 s)	285
2006-03-08 06:48:52 (24532 s)	436
2006-04-23 18:08:11 (65291 s)	309
2006-05-05 22:16:51 (80211 s)	283
2006-05-16 08:23:12 (30192 s)	1142
2006-08-14 10:18:00 (37080 s)	1004
2007-03-29 14:53:46 (53626 s)	395
2007-06-16 16:29:53 (59393 s)	506
2007-06-16 16:29:53 (59393 s)	506
2007-07-27 11:00:09 (39609 s)	421
2007-08-18 05:14:48 (18888 s)	492
2007-08-25 05:06:20 (18380 s)	339
2007-12-31 01:35:50 (5750 s)	489
2008-02-07 21:30:45 (77445 s)	350
2008-02-28 04:02:01 (14521 s)	300
2008-05-11 11:15:15 (40515 s)	406
2009-05-16 06:09:30 (22170 s)	397
2009-06-21 04:22:14 (15734 s)	300
2009-10-24 08:56:00 (32160 s)	1196
2009-11-23 07:08:04 (25684 s)	707
2010-02-01 14:02:06 (50526 s)	380
2010-02-05 12:37:47 (45467 s)	274
2010-04-14 08:35:21 (30921 s)	436
2010-06-22 20:58:52 (75532 s)	306
2010-10-15 13:21:57 (48117 s)	415
2011-05-28 14:53:57 (53637 s)	342
2011-07-29 03:24:47 (12287 s)	492
2011-10-03 21:02:35 (75755 s)	353
2011-12-09 05:40:36 (20436 s)	13111
2012-01-02 09:54:51 (35691 s)	981
2012-04-20 20:35:10 (74110 s)	445
2012-07-15 23:13:47 (83627 s)	498
2012-08-01 22:05:10 (79510 s)	510
2012-10-27 07:32:17 (27137 s)	3409
2012-11-17 00:20:57 (1257 s)	580
2012-12-17 07:17:26 (26246 s)	786
2013-02-24 09:52:28 (35548 s)	888
2013-03-06 23:43:26 (85406 s)	515
2013-05-27 11:01:02 (39662 s)	1621
2013-08-18 04:28:38 (16118 s)	1048
2013-09-25 13:01:47 (46907 s)	292
2013-09-25 04:09:07 (14947 s)	4460
2013-12-15 09:08:19 (32899 s)	327
2014-06-22 22:10:37 (79837 s)	291
2014-07-16 22:10:01 (79801 s)	1269
2014-07-27 17:54:52 (64492 s)	395
2014-11-12 12:55:37 (46537 s)	360
2015-01-26 20:38:32 (74312 s)	857
2015-01-27 22:24:20 (80660 s)	291
2015-06-16 22:48:25 (82105 s)	533
2015-09-10 08:51:49 (31909 s)	907
2015-10-01 08:20:29 (30029 s)	342
2015-10-24 16:06:02 (57962 s)	291
2016-10-09 16:18:35 (58715 s)	329
2016-11-03 22:41:31 (81691 s)	4768
2017-07-31 17:49:43 (64183 s)	781