GRB 121108A
Redshift:
Host Galaxy:
Other Observatory Detections:
Host Galaxy:
Other Observatory Detections:
Time: 17:47:39
Trigger Number: 537921
Burst Advocate: Tilan Ukwatta
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) |
|---|---|---|---|---|---|---|
| 83.216 05:32:51.8 |
54.520 54:31:12.0 |
2.2 | 89 | 9.6 (1.2) | 1.6 (0.2) | 2.28, PL (0.20) |
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) |
|---|---|---|---|---|---|---|---|---|---|
| 05:32:46.58 | 54:28:24.6 | 1.5 | 54.17 | 196 | 0.02135435 | 0.005831696 | -0.9944 | 1.6975 | 2.276799 |
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 | 64 | V>19.6 | B>19.9 U>20.6 UVW1>19.6 UVM2>19.6 UVW2>19.8 White>21.3 |
a arcsec; b seconds
Comments:
UVOT: no detection
References:
BAT: GCN 13952; GCN 13961
XRT: GCN 13952; GCN 13959; GCN 13963; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 13952; GCN 13962
Radio:
Redshift:
Host:
Other: GCN Report 417.1