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GRB 091208B

Time: 09:49:57
Trigger Number: 378559
Burst Advocate: Claudio Pagani

BAT Data:

RA: a 29.411
01:57:38.6
Dec: a 16.881
16:52:51.6
90% Error Radius: b 1.2
T90: c 14.9
Fluence: d 33 (2)
1s Peak Photon Flux: e 15.2 (1.0)
Photon Index: f 1.74, PL (0.11)

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 091208B

XRT Data:

RA: a 01:57:34.13
Dec: a 16:53:23.1
90% Error Radius: b 1.4
Time to First Observation: c 115.14
Early Flux: d n/a
11 Hour Flux: d 0.110656
24 Hour Flux: d 0.04450142
Initial Temporal Index: -0.3223
Spectral Index (Gamma): 2.03333
Column Density (NH): e 8.16791

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 01:57:34.09
Dec: a 16:53:22.82
90% Error Radius: b 0.6
Time to First Observation: c 119
V Magnitude: n/a
Other Filter Magnitudes: B=18.38
U=18.63
White=17.92

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
1.063 (Gemini North: absorption)
1.0633 (Keck I: absorption)
Host Galaxy:
Other Observatory Detections:
BOOTES-3, MITSuME (50cm), Faulkes (2m), Gemini North, Fermi (GBM), NOT, ESO/MPI (2.2m), Keck I, Z-600, Gunma Astronomical Observatory (150cm), Xinglong TNT

Comments:

References:

BAT: GCN 10256; GCN 10265
XRT: GCN 10256; GCN 10259; GCN 10268; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 10256; GCN 10267
Radio:
Redshift: GCN 10263 (Gemini North); GCN 10272 (Keck I)
Host:
Other: GCN Report 266.1