GRB 110820A
Time: 17:38:27
Trigger Number: 501095
Burst Advocate: Eleonora Troja
BAT Data:
| RA: a | 343.203 22:52:48.7 |
| Dec: a | 70.298 70:17:52.8 |
| 90% Error Radius: b | 2.1 |
| T90: c | 256 |
| Fluence: d | 8.2 (1.5) |
| 1s Peak Photon Flux: e | 0.4 (0.1) |
| Photon Index: f | 1.92, PL (0.28) |
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 | 22:52:46.10 |
| Dec: a | 70:17:55.1 |
| 90% Error Radius: b | 1.8 |
| Time to First Observation: c | n/a |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.029121918 |
| 24 Hour Flux: d | 0.017799051 |
| Initial Temporal Index: | -0.6311 |
| Spectral Index (Gamma): | 1.81873 |
| Column Density (NH): e | 5.01376 |
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 | 139 |
| V Magnitude: | V>21.1 |
| Other Filter Magnitudes: | B>22.0 U>21.8 UVW1>21.8 UVM2>20.6 UVW2>21.2 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Comments:
UVOT: no detection
References:
BAT: GCN 12288; GCN 12292
XRT: GCN 12288; GCN 12291; GCN 12294; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 12288; GCN 12298
Radio:
Redshift:
Host:
Other: