GRB 131231A
Time: 04:45:16.08
Trigger Number: Fermi
Burst Advocate:
BAT Data:
| RA: a | 10.585 00:42:20.4 |
| Dec: a | -1.845 -01:50:42.0 |
| 90% Error Radius: b | n/a |
| T90: c | n/a |
| Fluence: d | n/a (n/a) |
| 1s Peak Photon Flux: e | n/a (n/a) |
| Photon Index: f | n/a (n/a) |
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)
XRT Data:
| RA: a | 00:42:21.70 |
| Dec: a | -01:39:06.7 |
| 90% Error Radius: b | 3.5 |
| Time to First Observation: c | 52100 |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 2.2457888 |
| 24 Hour Flux: d | 7.153281 |
| Initial Temporal Index: | -1.466 |
| Spectral Index (Gamma): | 1.86263 |
| Column Density (NH): e | 1.43984 |
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
UVOT Data:
| RA: a | 00:42:21.66 |
| Dec: a | -01:39:10.6 |
| 90% Error Radius: b | 0.43 |
| Time to First Observation: c | 136500 |
| V Magnitude: | n/a |
| Other Filter Magnitudes: | U=19.57 White=19.37 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Comments:
Fermi: GCN 15640
References:
BAT:
XRT: GCN 15648; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 15673
Radio:
Redshift:
Host:
Other: GCN Report 458.1