GRB 121031A
Redshift:
Host Galaxy:
Other Observatory Detections:
Host Galaxy:
Other Observatory Detections:
Fermi (GBM)
Time: 22:50:30
Trigger Number: 537195
Burst Advocate: Valerio D'Elia
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) |
|---|---|---|---|---|---|---|
| 170.772 11:23:05.3 |
-3.513 -03:30:46.8 |
1.0 | 226 | 78 (2) | 2.4 (0.2) | 1.50, PL (0.05) |
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) |
|---|---|---|---|---|---|---|---|---|---|
| 11:23:04.85 | -03:31:01.3 | 1.4 | 61.93 | 590 | 0.4371276 | 0.18143619 | -2.484 | 2.33292 | 5.16924 |
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 | 70 | V>1.4 | B>20.0 U>19.5 UVW1>20.5 UVM2>21.1 UVW2>20.8 White>20.5 |
a arcsec; b seconds
Comments:
UVOT: no detection
References:
BAT: GCN 13934; GCN 13936; GCN 13949
XRT: GCN 13934; GCN 13935; GCN 13944; GCN 13946; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 13934; GCN 13947
Radio:
Redshift:
Host:
Other: GCN Report 400.1