GRB 121226A
Redshift:
Host Galaxy:
Other Observatory Detections:
Host Galaxy:
Other Observatory Detections:
GTC (10.4m), VLA @ 5.8 GHz
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.
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:
Other: