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Swift GRB Stats

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By Observatory:

Swift GRBs 1131
INTEGRAL GRBs 53
AGILE GRBs 16
Fermi GRBs 47
Maxi GRBs 9
IPN GRBs 12
iPTF GRBs 1
HETE GRBs 5
Total GRBs 1274

Swift GRB Stats:

Swift GRBs 1131
BAT T90 ≤ 2 secs 106
BAT T90 > 2 secs 970
BAT T90 Unknown 55
XRT Observations 987
XRT Detections 904
XRT Non-Detections (slew < 300 secs) 31
UVOT Observations 966
UVOT Detections 351
UVOT Detections with Ground Detections 324
UVOT Detections or Ground Detections 622
XRT and UVOT Detections 349
Other Observatory Detections 769
Ground Detections 595
Radio Detections 92
With Redshifts 342

Swift GRBs (Total Observed):

2017: 30 (32)
2016: 85 (99)
2015: 91 (105)
2014: 95 (111)
2013: 96 (110)
2012: 92 (97)
2011: 81 (93)
2010: 84 (92)
2009: 89 (108)
2008: 103 (120)
2007: 86 (95)
2006: 102 (106)
2005: 88 (97)
2004: 9 (9)