GRB 121226A

Time: 19:09:43
Trigger Number: 544027
Burst Advocate: Hans Krimm

BAT Data:

RA: a 168.620
Dec: a -30.413
90% Error Radius: b 2.0
T90: c 1.00
Fluence: d 1.4 (0.2)
1s Peak Photon Flux: e 1.6 (0.3)
Photon Index: f 1.51, PL (0.29)

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 121226A

XRT Data:

RA: a 11:14:34.14
Dec: a -30:24:23.1
90% Error Radius: b 2.1
Time to First Observation: c 100.59
Early Flux: d n/a
11 Hour Flux: d 0.01102507
24 Hour Flux: d 0.004894346
Initial Temporal Index: -1.041
Spectral Index (Gamma): 2.50163
Column Density (NH): e 8.91525

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 104
V Magnitude: V>20.4
Other Filter Magnitudes: B>2.3

a J2000; b arcsec; c seconds

Other Burst Info:

Host Galaxy:
Other Observatory Detections:
GTC (10.4m), VLA @ 5.8 GHz, TNG


BAT: short-hard burst
UVOT: no detection


BAT: GCN 14105; GCN 14111
XRT: GCN 14105; GCN 14112; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 14105; GCN 14113
Radio: GCN 14126 (VLA)
Host: GCN 14139 (TNG)