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GRB 211207A

Time: 20:52:56
Trigger Number: 1088376
Burst Advocate: Elena Ambrosi

BAT Data:

RA: a 149.601
09:58:24.2
Dec: a -24.360
-24:21:36.0
90% Error Radius: b 2.3
T90: c 3.73
Fluence: d 1.9 (0.4)
1s Peak Photon Flux: e 0.9 (0.2)
Photon Index: f 1.72, PL (0.30)

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)

XRT Data:

RA: a 09:58:29.71
Dec: a -24:21:34.8
90% Error Radius: b 2.3
Time to First Observation: c 80.5
Early Flux: d n/a
11 Hour Flux: d n/a
24 Hour Flux: d 0.0014
Initial Temporal Index: -0.92
Spectral Index (Gamma): 2.08
Column Density (NH): e 1.7

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 09:58:29.79
Dec: a -24:21:31.3
90% Error Radius: b 0.43
Time to First Observation: c 85
V Magnitude: V>18.5
Other Filter Magnitudes: B=19.08
U=18.15
UVW1>18.7
UVM2>18.7
UVW2>19.0
White=17.52

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
2.272 (VLT: absorption)
Host Galaxy:
Other Observatory Detections:
VLT, Fermi (GBM)

Comments:

References:

BAT: GCN 31182; GCN 31189
XRT: GCN 31182; GCN 31184; GCN 31185
UVOT: GCN 31182; GCN 31204
Radio:
Redshift: GCN 31188 (VLT)
Host:
Other: