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GRB 121226A

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

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

Burst Alert Telescope (BAT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
T90 b Fluence c
(15-150 keV)
1-sec Peak d
Photon Flux
(15-150 keV)
Photon Index e
(15-150 keV)
168.620
11:14:28.8
-30.413
-30:24:46.8
2.0 1.00 1.4 (0.2) 1.6 (0.3) 1.51, PL (0.29)

90% error in parentheses,
a arcmin; b seconds; c 10-7 erg/cm2; d ph/cm2/sec; e PL = simple power-law, CPL = cutoff power-law

X-Ray Telescope (XRT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
Time to First b
Observation
Early Flux c
(0.3-10 keV)
11 Hour Flux c
(0.3-10 keV)
24 Hour Flux c
(0.3-10 keV)
Initial d
LC Index
Spectral
Index
(Gamma)
Column e
Density
(NH)
11:14:34.14 -30:24:23.1 2.1 100.59 n/a 0.01102507 0.004894346 -1.041 2.50163 8.91525

a arcsec; b seconds; c 10-11 erg/cm2/s; d temporal; e 1021 cm-2

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.

» XRT GRB Live Catalogue
» XRT Light Curves
» XRT Spectra

UltraViolet/Optical Telescope (UVOT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
Time to First b
Observation
Magnitude Other Filter
Magnitudes
n/a n/a n/a 104 V>20.4 B>2.3
U>20.9
UVW1>20.7
UVM2>21.0
UVW2>20.2
White>21.6

a arcsec; b seconds

Comments:

BAT: short-hard burst
UVOT: no detection

References:

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)
Redshift:
Host: GCN 14139 (TNG)
Other:

BAT Light Curve:

BAT Light Curve for GRBblc/121226A.png