GRB 160821B
Time: 22:29:13
Trigger Number: 709357
Burst Advocate: Mike Siegel
BAT Data:
| RA: a | 280.005 18:40:01.2 |
| Dec: a | 62.387 62:23:13.2 |
| 90% Error Radius: b | 1.4 |
| T90: c | 0.48 |
| Fluence: d | 1.0 (0.1) |
| 1s Peak Photon Flux: e | 1.7 (0.2) |
| Photon Index: f | 0.11, CPL (0.88) |
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 | 18:39:54.29 |
| Dec: a | 62:23:29.2 |
| 90% Error Radius: b | 2.2 |
| Time to First Observation: c | 65.97 |
| Early Flux: d | 145 |
| 11 Hour Flux: d | 0.000013792185 |
| 24 Hour Flux: d | 0.0000020496432 |
| Initial Temporal Index: | -2.444 |
| Spectral Index (Gamma): | 2.39723 |
| Column Density (NH): e | 0.575275000020598 |
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 | n/a |
| Dec: a | n/a |
| 90% Error Radius: b | n/a |
| Time to First Observation: c | 76 |
| V Magnitude: | V>19.1 |
| Other Filter Magnitudes: | B>20.2 U>20.6 UVW1>19.6 UVM2>19.5 UVW2>20.1 White>21.7 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
NOT (2.56m), Fermi (GBM), WHT, GTC (10.4m), VLA @ 5.0 GHz, HST
Comments:
UVOT: no detection
References:
BAT: GCN 19833; GCN 19844
XRT: GCN 19833; GCN 19837; GCN 19841; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 19833; GCN 19839
Radio: GCN 19854 (VLA)
Redshift:
Host:
Other: