GRB 250427A
Time: 03:38:45
Trigger Number: Einstein-Probe
Burst Advocate:
BAT Data:
| RA: a | 277.281 18:29:07.4 |
| Dec: a | 7.570 07:34:12.0 |
| 90% Error Radius: b | n/a |
| T90: c | n/a |
| Fluence: d | n/a (n/a) |
| 1s Peak Photon Flux: e | n/a (n/a) |
| Photon Index: f | n/a (n/a) |
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 | 18:29:05.47 |
| Dec: a | 07:33:47.6 |
| 90% Error Radius: b | 3.9 |
| Time to First Observation: c | 22900 |
| Early Flux: d | n/a |
| 11 Hour Flux: d | n/a |
| 24 Hour Flux: d | n/a |
| Initial Temporal Index: | -0.991 |
| Spectral Index (Gamma): | 1.78 |
| Column Density (NH): e | 2.9 |
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
UVOT Data:
| RA: a | n/a |
| Dec: a | n/a |
| 90% Error Radius: b | n/a |
| Time to First Observation: c | 22960 |
| V Magnitude: | n/a |
| Other Filter Magnitudes: | U=18.74 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Comments:
Einstein Probe: GCN 40257
References:
BAT:
XRT: GCN 40268; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 40279
Radio:
Redshift:
Host:
Other: