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Swift GRB Stats

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By Observatory:

Swift GRBs 986
INTEGRAL GRBs 48
AGILE GRBs 16
Fermi GRBs 35
Maxi GRBs 6
IPN GRBs 12
iPTF GRBs 1
HETE GRBs 5
Total GRBs 1109

Swift GRB Stats:

Swift GRBs 986
BAT T90 ≤ 2 secs 87
BAT T90 > 2 secs 854
BAT T90 Unknown 45
XRT Observations 855
XRT Detections 781
XRT Non-Detections (slew < 300 secs) 30
UVOT Observations 839
UVOT Detections 306
UVOT Detections with Ground Detections 286
UVOT Detections or Ground Detections 550
XRT and UVOT Detections 304
Other Observatory Detections 668
Ground Detections 530
Radio Detections 80
With Redshifts 308

Swift GRBs (Total Observed):

2015: 61 (71)
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)