GRB 250509A
Time: 22:33:30
Trigger Number: 1311764
Burst Advocate: Mike Siegel
BAT Data:
| RA: a | 46.451 03:05:48.2 |
| Dec: a | -38.854 -38:51:14.4 |
| 90% Error Radius: b | 1.0 |
| T90: c | 55.43 |
| Fluence: d | 24 (1) |
| 1s Peak Photon Flux: e | 1.9 (0.2) |
| Photon Index: f | 1.54, PL (0.08) |
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 | 03:05:47.89 |
| Dec: a | -38:50:31.2 |
| 90% Error Radius: b | 2.1 |
| Time to First Observation: c | 71.08 |
| Early Flux: d | 721 |
| 11 Hour Flux: d | 0.113444739 |
| 24 Hour Flux: d | 0.035826355 |
| Initial Temporal Index: | -3.202 |
| Spectral Index (Gamma): | 2.167537362 |
| Column Density (NH): e | 6.410018415 |
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 | 80 |
| 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)
Comments:
References:
BAT: GCN 40407; GCN 40456
XRT: GCN 40407; GCN 40410; GCN 40411; GCN 40416; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 40407
Radio:
Redshift:
Host:
Other: