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GRB 100425A

Time: 02:50:45
Trigger Number: 420398
Burst Advocate: Dirk Grupe

BAT Data:

RA: a 299.161
19:56:38.6
Dec: a -26.463
-26:27:46.8
90% Error Radius: b 2.4
T90: c 37.0
Fluence: d 4.7 (0.9)
1s Peak Photon Flux: e 1.4 (0.2)
Photon Index: f 2.42, PL (0.32)

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 100425A

XRT Data:

RA: a 19:56:47.16
Dec: a -26:25:50.9
90% Error Radius: b 1.5
Time to First Observation: c 78.81
Early Flux: d 311
11 Hour Flux: d 0.0435699
24 Hour Flux: d 0.016759017
Initial Temporal Index: -2.718
Spectral Index (Gamma): 2.17077
Column Density (NH): e 0.342503

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 88
V Magnitude: V>19.76
Other Filter Magnitudes: B>19.71
U>19.08
UVW1>19.44
UVM2>20.87
UVW2>21.26
White>19.59

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
1.755 (VLT: absorption)
Host Galaxy:
Other Observatory Detections:
VLT, MPI/ESO (2.2m)

Comments:

UVOT: no detection

References:

BAT: GCN 10673; GCN 10685
XRT: GCN 10673; GCN 10686; GCN 10691; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 10673; GCN 10689
Radio:
Redshift: GCN 10684 (VLT)
Host:
Other: GCN Report 279.1