GRB 210822A
Time: 09:18:18
Trigger Number: 1069788
Burst Advocate: Kim Page
BAT Data:
| RA: a | 304.461 20:17:50.6 |
| Dec: a | 5.265 05:15:54.0 |
| 90% Error Radius: b | 1.0 |
| T90: c | 180.8 |
| Fluence: d | 200 (4) |
| 1s Peak Photon Flux: e | 27.7 (0.7) |
| Photon Index: f | 1.30, PL (0.4) |
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 | 20:17:45.01 |
| Dec: a | 05:17:00.5 |
| 90% Error Radius: b | 1.9 |
| Time to First Observation: c | 74.56 |
| Early Flux: d | 1250 |
| 11 Hour Flux: d | 0.72733342 |
| 24 Hour Flux: d | 0.182436529 |
| Initial Temporal Index: | -0.9161 |
| Spectral Index (Gamma): | 1.70788 |
| Column Density (NH): e | 3.41368 |
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 | 20:17:45.0 |
| Dec: a | 05:17:00.1 |
| 90% Error Radius: b | 1 |
| Time to First Observation: c | 85 |
| V Magnitude: | V=15.07 |
| Other Filter Magnitudes: | B=15.31 U=14.86 UVW1=15.28 UVM2>17.66 UVW2=17.21 White=15.35 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:1.736 (NOT: absorption)Host Galaxy:
Other Observatory Detections:
GECAM-B, KAIT (0.76m), HJT (1.5m), Nanshan/NEXT (0.6m), Fermi (LAT), NOT, AstroSat CZTI, Konus-Wind, GRBAlpha, Abbey Ridge Observatory (0.355m), MPG (2.2m), TSHAO Zeiss-100, VLA @ 14.8 GHz, CAHA (2.2m), CALET GBM
Comments:
References:
BAT: GCN 30677; GCN 30689
XRT: GCN 30677; GCN 30682; GCN 30691; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 30677
Radio: GCN 30713 (VLA)
Redshift: GCN 30692 (NOT)
Host:
Other: