GRB 091018
Time: 20:48:19
Trigger Number: 373172
Burst Advocate: Michael Stamatikos
BAT Data:
| RA: a | 32.191 02:08:45.8 |
| Dec: a | -57.546 -57:32:45.6 |
| 90% Error Radius: b | 1.0 |
| T90: c | 4.4 |
| Fluence: d | 14 (1) |
| 1s Peak Photon Flux: e | 10.3 (0.4) |
| Photon Index: f | 1.77, CPL (0.24) |
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 | 02:08:44.57 |
| Dec: a | -57:32:53.4 |
| 90% Error Radius: b | 1.4 |
| Time to First Observation: c | 61.49 |
| Early Flux: d | 44 |
| 11 Hour Flux: d | 0.14420988 |
| 24 Hour Flux: d | 0.04153068 |
| Initial Temporal Index: | -0.4071 |
| Spectral Index (Gamma): | 1.98015 |
| Column Density (NH): e | 1.55551 |
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 | 02:08:44.61 |
| Dec: a | -57:32:53.8 |
| 90% Error Radius: b | 0.61 |
| Time to First Observation: c | 68 |
| V Magnitude: | V=16.4 |
| Other Filter Magnitudes: | U=15.07 B=16.4 UVW1=15.9 UVM2=15.7 UVW2=16.1 White=14.57 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:0.971 (Magellan Clay: absorption)Host Galaxy:
0.9710 (VLT: absorption)
Other Observatory Detections:
ROTSE-III, Magellan Clay, ESO/MPI (2.2m), VLT, BOOTES-3, Faulkes South, Konus-RF, PROMPT (16"), miniTAO (1.0m), CTIO (1.3m)
Comments:
References:
BAT: GCN 10034; GCN 10040
XRT: GCN 10034; GCN 10037; GCN 10055; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 10034; GCN 10041
Radio:
Redshift: GCN 10038 (Magellan Clay); GCN 10042 (VLT)
Host:
Other: