GRB 250331B
Time: 04:19:43
Trigger Number: 1299965
Burst Advocate: Brad Cenko
BAT Data:
| RA: a | 71.377 04:45:30.5 |
| Dec: a | 43.794 43:47:38.4 |
| 90% Error Radius: b | 2.6 |
| T90: c | 3.95 |
| Fluence: d | 1.5 (0.3) |
| 1s Peak Photon Flux: e | 0.9 (0.2) |
| Photon Index: f | 2.61 (0.38) |
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 | 04:45:29.32 |
| Dec: a | 43:48:45.2 |
| 90% Error Radius: b | 3.6 |
| Time to First Observation: c | 313.9 |
| Early Flux: d | n/a |
| 11 Hour Flux: d | n/a |
| 24 Hour Flux: d | n/a |
| Initial Temporal Index: | -1.11 |
| Spectral Index (Gamma): | 2.2 |
| Column Density (NH): e | 21 |
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 | 317 |
| V Magnitude: | V>18.3 |
| Other Filter Magnitudes: | B>18.3 U>18.6 UVW1>18.0 UVM2>17.7 UVW2>18.4 White>19.9 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Comments:
UVOT: no detection
References:
BAT: GCN 39958; GCN 40056
XRT: GCN 39958; GCN 39974; GCN 39995
UVOT: GCN 39958; GCN 40002
Radio:
Redshift:
Host:
Other: