GRB 170921A
Time: 14:28:48
Trigger Number: 773509
Burst Advocate: Antonino D'Ai
BAT Data:
| RA: a | 26.840 01:47:21.6 |
| Dec: a | 30.880 30:52:48.0 |
| 90% Error Radius: b | 1.8 |
| T90: c | 28.9 |
| Fluence: d | 6.7 (0.8) |
| 1s Peak Photon Flux: e | 0.8 (0.2) |
| Photon Index: f | 1.76, PL (0.17) |
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 | 01:47:23.77 |
| Dec: a | 30:54:24.2 |
| 90% Error Radius: b | 1.5 |
| Time to First Observation: c | 97.31 |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.014303868 |
| 24 Hour Flux: d | 0.007396904 |
| Initial Temporal Index: | -3.251 |
| Spectral Index (Gamma): | 2.76224 |
| Column Density (NH): e | 10.506427 |
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 | 100 |
| V Magnitude: | V>19.9 |
| Other Filter Magnitudes: | B>20.6 U>21.1 UVW1>20.6 UVM2>21.0 UVW2>21.0 White>21.4 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
HJT (1.5m), Insight-HXMT
Comments:
References:
BAT: GCN 21901; GCN 21912
XRT: GCN 21901; GCN 21904; GCN 21906; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21901; GCN 21913
Radio:
Redshift:
Host:
Other: