GRB 250818A
Time: 01:31:22
Trigger Number: 1343270
Burst Advocate: Brad Cenko
BAT Data:
| RA: a | 213.816 14:15:15.8 |
| Dec: a | -58.010 -58:00:36.0 |
| 90% Error Radius: b | 1.1 |
| T90: c | 106.86 |
| Fluence: d | 120 (3) |
| 1s Peak Photon Flux: e | 5.5 (0.3) |
| Photon Index: f | 1.85, PL (0.04) |
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 | 14:15:12.05 |
| Dec: a | -58:00:50.2 |
| 90% Error Radius: b | 2.3 |
| Time to First Observation: c | 97.88 |
| Early Flux: d | 10900 |
| 11 Hour Flux: d | 1.79732205 |
| 24 Hour Flux: d | 0.641728692 |
| Initial Temporal Index: | -5.606 |
| Spectral Index (Gamma): | 1.763551977 |
| Column Density (NH): e | 16.93627932 |
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 | 162 |
| V Magnitude: | n/a |
| Other Filter Magnitudes: | n/a |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Fermi (GBM), AstroSat CZTI
Comments:
References:
BAT: GCN 41403; GCN 41423
XRT: GCN 41403; GCN 41413; GCN 41425; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 41403
Radio:
Redshift:
Host:
Other: