GRB 091020
Time: 21:36:44
Trigger Number: 373458
Burst Advocate: Judy Racusin
BAT Data:
| RA: a | 175.727 11:42:54.5 |
| Dec: a | 50.977 50:58:37.2 |
| 90% Error Radius: b | 1.0 |
| T90: c | 34.6 |
| Fluence: d | 37 (1) |
| 1s Peak Photon Flux: e | 4.2 (0.3) |
| Photon Index: f | 1.53, PL (0.07) |
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 | 11:42:55.23 |
| Dec: a | 50:58:42.5 |
| 90% Error Radius: b | 1.4 |
| Time to First Observation: c | 81.50 |
| Early Flux: d | 301 |
| 11 Hour Flux: d | 0.14840932 |
| 24 Hour Flux: d | 0.05134136 |
| Initial Temporal Index: | -2.984 |
| Spectral Index (Gamma): | 2.08587 |
| Column Density (NH): e | 5.08013 |
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 | 11:42:55.20 |
| Dec: a | 50:58:42.0 |
| 90% Error Radius: b | 0.5 |
| Time to First Observation: c | 89 |
| V Magnitude: | V=16.40 |
| Other Filter Magnitudes: | B=17.27 U=17.06 UVW1=20.29 UVM2>20.29 UVW2>20.27 White=15.73 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:1.71 (NOT)Host Galaxy:
Other Observatory Detections:
MASTER II, NOT, Konus-Wind, Lick (40"), TLS (1.34m), VLA @ 8.46 GHz, Fermi (GBM), Dark Sky Observatory (14")
Comments:
References:
BAT: GCN 10048; GCN 10051
XRT: GCN 10048; GCN 10050; GCN 10056; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 10048; GCN 10054
Radio: GCN 10088 (VLA)
Redshift: GCN 10053 (NOT)
Host:
Other: GCN Report 257.1