GRB 250809A
Time: 16:53:19
Trigger Number: 1340954
Burst Advocate: Tyler Parsotan
BAT Data:
| RA: a | 233.034 15:32:08.2 |
| Dec: a | -53.314 -53:18:50.4 |
| 90% Error Radius: b | 1.8 |
| T90: c | 17.79 |
| Fluence: d | 3.9 (0.5) |
| 1s Peak Photon Flux: e | 0.6 (0.2) |
| Photon Index: f | 1.83, PL (0.20) |
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 | 15:32:00.10 |
| Dec: a | -53:17:46.5 |
| 90% Error Radius: b | 3.0 |
| Time to First Observation: c | 125.55 |
| Early Flux: d | 51.6 |
| 11 Hour Flux: d | 0.00000182053768 |
| 24 Hour Flux: d | 0.000000181419368 |
| Initial Temporal Index: | -2.956 |
| Spectral Index (Gamma): | 2.382142408 |
| Column Density (NH): e | 14.294469764 |
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 | 128 |
| V Magnitude: | V=17.62 |
| Other Filter Magnitudes: | B=18.86 U=19.57 UVW1>18.4 UVM2>20.1 UVW2>18.8 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Comments:
References:
BAT: GCN 41303; GCN 41321
XRT: GCN 41303; GCN 41304; GCN 41313; GCN 41314
UVOT: GCN 41303; GCN 41316
Radio:
Redshift:
Host:
Other: