GRB 210731A
Time: 22:21:08
Trigger Number: 1062336
Burst Advocate: Eleonora Troja
BAT Data:
| RA: a | 300.311 20:01:14.6 |
| Dec: a | -28.056 -28:03:21.6 |
| 90% Error Radius: b | 1.7 |
| T90: c | 22.51 |
| Fluence: d | 22 (2) |
| 1s Peak Photon Flux: e | 1.6 (0.3) |
| Photon Index: f | -0.25, CPL (0.59) |
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 | 20:01:13.14 |
| Dec: a | -28:03:39.4 |
| 90% Error Radius: b | 2.2 |
| Time to First Observation: c | 200.92 |
| Early Flux: d | 79.6 |
| 11 Hour Flux: d | 0.1571493 |
| 24 Hour Flux: d | 0.04720947 |
| Initial Temporal Index: | -3.451 |
| Spectral Index (Gamma): | 2.06317 |
| Column Density (NH): e | 0.832807 |
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 | 210 |
| V Magnitude: | V=18.60 |
| Other Filter Magnitudes: | B=19.02 U=18.66 UVW1=19.33 UVM2=20.41 UVW2=19.40 White=20.2 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:1.2525 (VLT: absorption)Host Galaxy:
Other Observatory Detections:
MeerLICHT (0.6m), Fermi (GBM), MPG (2.2m), MASTER-OAFA, KAIT (0.76m), VLT
Comments:
References:
BAT: GCN 30568; GCN 30580
XRT: GCN 30568; GCN 30569; GCN 30576; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 30568; GCN 30572
Radio:
Redshift: GCN 30583 (VLT)
Host:
Other: