GRB 151228B
Time: 22:47:14
Trigger Number: 668641
Burst Advocate: Amy Lien
BAT Data:
| RA: a | 344.431 22:57:43.4 |
| Dec: a | 8.081 08:04:51.6 |
| 90% Error Radius: b | 1.0 |
| T90: c | 48.0 |
| Fluence: d | 24 (1) |
| 1s Peak Photon Flux: e | 1.0 (0.2) |
| Photon Index: f | 1.09, CPL (0.34) |
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)
BAT Light Curve:
XRT Data:
| RA: a | 22:57:41.90 |
| Dec: a | 08:04:52.8 |
| 90% Error Radius: b | 1.5 |
| Time to First Observation: c | 49.56 |
| Early Flux: d | 674 |
| 11 Hour Flux: d | 0.053470248 |
| 24 Hour Flux: d | 0.0327624414 |
| Initial Temporal Index: | -1.605 |
| Spectral Index (Gamma): | 1.9262 |
| Column Density (NH): e | 0.57454845619 |
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
» XRT GRB Live Catalogue
» XRT Light Curves
» XRT Spectra
UVOT Data:
| RA: a | 22:57:41.87 |
| Dec: a | 08:04:53.7 |
| 90% Error Radius: b | 0.58 |
| Time to First Observation: c | 49 |
| V Magnitude: | V>19.2 |
| Other Filter Magnitudes: | B>20.0 U>20.1 UVW1>20.1 UVM2>19.9 UVW2>20.8 White=19.62 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Fermi (GBM)
Comments:
References:
BAT: GCN 18739; GCN 18752
XRT: GCN 18739; GCN 18743; GCN 18749; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 18739; GCN 18766
Radio:
Redshift:
Host:
Other: