GRB 250925A
Time: 17:04:26
Trigger Number: 1352124
Burst Advocate: Simone Dichiara
BAT Data:
| RA: a | 341.207 22:44:49.7 |
| Dec: a | 46.549 46:32:56.4 |
| 90% Error Radius: b | 1.0 |
| T90: c | 64.51 |
| Fluence: d | 27 (1) |
| 1s Peak Photon Flux: e | 1.2 (0.2) |
| Photon Index: f | 1.87, PL (0.09) |
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 | 22:44:51.31 |
| Dec: a | 46:33:20.5 |
| 90% Error Radius: b | 2.0 |
| Time to First Observation: c | 3700 |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.0118303664 |
| 24 Hour Flux: d | 0.000330203472 |
| Initial Temporal Index: | -0.5657 |
| Spectral Index (Gamma): | 2.043947726 |
| Column Density (NH): e | 0.4986424312 |
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 | 3740 |
| V Magnitude: | V>19.94 |
| Other Filter Magnitudes: | B>21.16 U>20.48 UVW1>20.10 UVM2>19.99 UVW2>20.10 White>21.55 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:3.899 (GTC: absorption)Host Galaxy:
4.20 (COLIBRÍ: photometric)
Other Observatory Detections:
NOT, Liverpool (2m), Virtual Telescope Project (14"), COLIBRÍ, OSN (1.5m), GTC (10.4m), JinShan (100cm), Einstein Probe (WXT), Mondy (AZT-33IK 1.5m), AbAO (AS-32 0.7m), MAO/AZT-22 (1.5m)
Comments:
Due to an observing constraint, Swift did not slew.
UVOT: no detection
References:
BAT: GCN 41985; GCN 42006
XRT: GCN 41988; GCN 42017; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 42007
Radio:
Redshift: GCN 41997 (GTC); GCN 42004 (COLIBRÍ)
Host:
Other: