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GRB 050502B

Time: 09:25:40
Trigger Number: 116116
Burst Advocate: Abe Falcone

BAT Data:

RA: a 142.535
09:30:08.4
Dec: a 16.987
16:59:13.2
90% Error Radius: b 1.2
T90: c 17.700
Fluence: d 4.78 (0.42)
1s Peak Photon Flux: e 1.42 (0.13)
Photon Index: f 1.59, PL (0.14)

90% error in parentheses,
a J2000; b arcmin; c seconds; d 10-7 erg/cm2 (15-150 keV); e ph/cm2/sec (15-150 keV); f PL = simple power-law, CPL = cutoff power-law (15-150 keV)

BAT Light Curve:

BAT Light Curve for GRB 050502B

XRT Data:

RA: a 09:30:10.13
Dec: a 16:59:48.0
90% Error Radius: b 1.4
Time to First Observation: c n/a
Early Flux: d n/a
11 Hour Flux: d 0.033723465
24 Hour Flux: d 0.01683389
Initial Temporal Index: -0.8906
Spectral Index (Gamma): 1.96022
Column Density (NH): e 0.477538

Note: Please be aware that only the very basic temporal and spectral quantities are reported here. You are strongly encouraged to see the referenced GCN circulars for full details.
a J2000; b arcsec; c seconds; d 10-11 erg/cm2/s (0.3-10 keV); e 1021 cm-2

» XRT GRB Live Catalogue
» XRT Light Curves
» XRT Spectra

UVOT Data:

RA: a n/a
Dec: a n/a
90% Error Radius: b n/a
Time to First Observation: c 60
V Magnitude: V>18.5
Other Filter Magnitudes: B>19.4
U>19.2

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:

Comments:

XRT: Large flare @ 600 s
UVOT: no detection

References:

BAT: GCN 3330; GCN 3339; TS table 9/13/05, 9/24/05; arXiv:0707.4626
XRT: GCN 3330; GCN 3333; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 3330; GCN 3337
Radio:
Redshift:
Host:
Other: Science, 309, 1833, 2005
ApJ, 641, 1010, 2006