GRB 090426
Time: 12:48:47
Trigger Number: 350479
Burst Advocate: Jay Cummings
BAT Data:
| RA: a | 189.082 12:36:19.7 |
| Dec: a | 32.978 32:58:40.8 |
| 90% Error Radius: b | 1.7 |
| T90: c | 1.2 |
| Fluence: d | 1.8 (0.3) |
| 1s Peak Photon Flux: e | 2.4 (0.3) |
| Photon Index: f | 1.93, PL (0.22) |
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)
BAT Light Curve:
XRT Data:
| RA: a | 12:36:18.07 |
| Dec: a | 32:59:08.8 |
| 90% Error Radius: b | 1.4 |
| Time to First Observation: c | 84.62 |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.024033444 |
| 24 Hour Flux: d | 0.01149863 |
| Initial Temporal Index: | -0.945 |
| Spectral Index (Gamma): | 2.03664 |
| Column Density (NH): e | 2.04663 |
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 | 12:36:18.07 |
| Dec: a | 32:59:09.6 |
| 90% Error Radius: b | 0.5 |
| Time to First Observation: c | 89 |
| V Magnitude: | V=19.04 |
| Other Filter Magnitudes: | U=18.11 B=18.92 UVW1>19.92 UVM2>19.63 UVW2>19.82 White=17.52 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:2.609 (Keck-I: absorption)Host Galaxy:
2.609 (VLT: absorption)
Other Observatory Detections:
TNT, Keck-I, MITSuME (50cm), Okayama Astrophysical Observatory (188cm), ESO/MPI (2.2m), VLT, Gao-Mei-GU (2.4m), Gunma Astronomical Observatory (150cm), AZT-11
Comments:
References:
BAT: GCN 9254; GCN 9263; GCN 9272
XRT: GCN 9254; GCN 9259; GCN 9262; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 9254; GCN 9265
Radio:
Redshift: GCN 9264 (Keck-I); GCN 9269 (VLT)
Host:
Other: