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GRB 090926B

Time: 21:55:48
Trigger Number: 370791
Burst Advocate: Dirk Grupe

BAT Data:

RA: a 46.310
03:05:14.4
Dec: a -38.997
-38:59:49.2
90% Error Radius: b 1.0
T90: c 109.7
Fluence: d 73 (2)
1s Peak Photon Flux: e 3.2 (0.3)
Photon Index: f 0.52, CPL (0.24)

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 090926B

XRT Data:

RA: a 03:05:13.95
Dec: a -39:00:21.6
90% Error Radius: b 1.4
Time to First Observation: c 88.76
Early Flux: d 315
11 Hour Flux: d 0.05999079
24 Hour Flux: d 0.023886003
Initial Temporal Index: -1.011
Spectral Index (Gamma): 1.56483
Column Density (NH): e 13.9441

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 98
V Magnitude: V>19.19
Other Filter Magnitudes: B>20.32
U>20.22
UVW1>20.25
UVM2>19.77
UVW2>19.09
White>21.21

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
1.24 (VLT: emission & absorption)
Host Galaxy:
Other Observatory Detections:
MAXI (GSC), VLT, Fermi (GBM)

Comments:

References:

BAT: GCN 9935; GCN 9939
XRT: GCN 9935; GCN 9940; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 9935; GCN 9949
Radio:
Redshift: GCN 9947 (VLT)
Host:
Other: GCN Report 246.1