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:
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)Host Galaxy:
1.0633 (Keck I: absorption)
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