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GRB 110521A

Time: 15:51:31.4
Trigger Number: 453788
Burst Advocate: Sam Oates

BAT Data:

RA: a 120.132
08:00:31.7
Dec: a 45.818
45:49:04.8
90% Error Radius: b 1.8
T90: c 13.8
Fluence: d 4.4 (0.5)
1s Peak Photon Flux: e 0.5 (0.1)
Photon Index: f 0.90, PL (0.22)

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 110521A

XRT Data:

RA: a 08:00:31.91
Dec: a 45:49:36.9
90% Error Radius: b 1.8
Time to First Observation: c 98.52
Early Flux: d 80.7
11 Hour Flux: d 0.00000019297044
24 Hour Flux: d 0.000000015202304
Initial Temporal Index: -3.257
Spectral Index (Gamma): 1.58142
Column Density (NH): e 2.42882

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 104
V Magnitude: V>20.5
Other Filter Magnitudes: B>21.1
U>21.7
UVW1>22.0
UVM2>22.3
UVW2>22.3
White>21.0

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:

Comments:

UVOT: no detection

References:

BAT: GCN 12031; GCN 12035
XRT: GCN 12031; GCN 12034; GCN 12038; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 12031; GCN 12039
Radio:
Redshift:
Host:
Other: GCN Report 333.1