GRB 091109A
Time: 04:57:43
Trigger Number: 375246
Burst Advocate: Sam Oates
BAT Data:
| RA: a | 309.252 20:37:00.5 |
| Dec: a | -44.177 -44:10:37.2 |
| 90% Error Radius: b | 2.1 |
| T90: c | 48 |
| Fluence: d | 16 (2) |
| 1s Peak Photon Flux: e | 1.3 (0.4) |
| Photon Index: f | 1.31, PL (0.25) |
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 | 20:37:01.87 |
| Dec: a | -44:09:31.0 |
| 90% Error Radius: b | 1.5 |
| Time to First Observation: c | 150.68 |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.025873236 |
| 24 Hour Flux: d | 0.012316572 |
| Initial Temporal Index: | -3.015 |
| Spectral Index (Gamma): | 1.96352 |
| Column Density (NH): e | 7.86986 |
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 | 20:37:01.80 |
| Dec: a | -44:09:29.6 |
| 90% Error Radius: b | 0.7 |
| Time to First Observation: c | 156 |
| V Magnitude: | V>19.94 |
| Other Filter Magnitudes: | B>20.49 U>20.97 UVW1>20.59 UVM2>20.46 UVW2>20.68 White=19.88 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:3.5 (ESO/MPI: photometric)Host Galaxy:
3.076 (VLT: absorption)
Other Observatory Detections:
Faulkes South (2m), ESO/MPI (2.2m), VLT
Comments:
References:
BAT: GCN 10138; GCN 10141
XRT: GCN 10138; GCN 10140; GCN 10145; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 10138; GCN 10143
Radio:
Redshift: GCN 10158 (ESO/MPI); GCN 10246 (ESO/MPI); GCN 10350 (VLT)
Host:
Other: GCN Report 258.1