GRB 250504A
Time: 23:25:57
Trigger Number: 1310284
Burst Advocate: Mike Moss
BAT Data:
| RA: a | 269.605 17:58:25.2 |
| Dec: a | -40.345 -40:20:42.0 |
| 90% Error Radius: b | 1.1 |
| T90: c | 52.39 |
| Fluence: d | 23 (1) |
| 1s Peak Photon Flux: e | 1.6 (0.2) |
| Photon Index: f | 1.27, 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 | 17:58:28.34 |
| Dec: a | -40:22:00.3 |
| 90% Error Radius: b | 3.9 |
| Time to First Observation: c | 77.90 |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.022172524 |
| 24 Hour Flux: d | 0.0083206376 |
| Initial Temporal Index: | -1.256 |
| Spectral Index (Gamma): | 1.596334608 |
| Column Density (NH): e | 2.8738870024 |
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 | 137 |
| 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), MeerLICHT (0.6m), EIRSAT-1 (GMOD), COLIBRÍ
Comments:
References:
BAT: GCN 40343; GCN 40357
XRT: GCN 40343; GCN 40345; GCN 40354; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 40343
Radio:
Redshift:
Host:
Other: