GRB 190821A
Time: 17:10:03
Trigger Number: 921722
Burst Advocate: Antonino D'Ai
BAT Data:
| RA: a | 250.070 16:40:16.8 |
| Dec: a | -34.027 -34:01:37.2 |
| 90% Error Radius: b | 1.3 |
| T90: c | 57.1 |
| Fluence: d | 24 (1) |
| 1s Peak Photon Flux: e | 2.8 (0.3) |
| Photon Index: f | 2.03, PL (0.10) |
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 | 16:40:13.15 |
| Dec: a | -34:00:25.5 |
| 90% Error Radius: b | 1.5 |
| Time to First Observation: c | 77.97 |
| Early Flux: d | 295 |
| 11 Hour Flux: d | 0.126453982 |
| 24 Hour Flux: d | 0.049960884 |
| Initial Temporal Index: | -7.825 |
| Spectral Index (Gamma): | 1.71274 |
| Column Density (NH): e | 3.542885 |
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 | 89 |
| V Magnitude: | V>18.3 |
| Other Filter Magnitudes: | B>19.9 U>19.6 UVW1>18.9 UVM2>19.7 UVW2>20.2 White>19.5 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Les Makes T60 (60cm), Fermi (GBM)
Comments:
UVOT: no detection
References:
BAT: GCN 25427; GCN 25464
XRT: GCN 25427; GCN 25436; GCN 25444; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 25427; GCN 25450
Radio:
Redshift:
Host:
Other: