GRB 110818A
Time: 20:37:49
Trigger Number: 500914
Burst Advocate: Craig Markwardt
BAT Data:
| RA: a | 317.373 21:09:29.5 |
| Dec: a | -63.981 -63:58:51.6 |
| 90% Error Radius: b | 1.4 |
| T90: c | 103 |
| Fluence: d | 40 (2) |
| 1s Peak Photon Flux: e | 1.6 (0.3) |
| Photon Index: f | 1.58, PL (0.11) |
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 | 21:09:20.87 |
| Dec: a | -63:58:51.7 |
| 90% Error Radius: b | 1.4 |
| Time to First Observation: c | n/a |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.03665448 |
| 24 Hour Flux: d | 0.012004236 |
| Initial Temporal Index: | -3.926 |
| Spectral Index (Gamma): | 1.95985 |
| Column Density (NH): e | 11.6984 |
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 | 856 |
| V Magnitude: | V>20.8 |
| Other Filter Magnitudes: | B>22.2 U>20.4 UVW1>20.9 UVM2>20.9 UVW2>21.2 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:3.36 (VLT: absorption)Host Galaxy:
Other Observatory Detections:
VLT, Fermi (GBM)
Comments:
UVOT: no detection
References:
BAT: GCN 12279; GCN 12281
XRT: GCN 12279; GCN 12283; GCN 12285; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 12279; GCN 12286
Radio:
Redshift: GCN 12284 (VLT)
Host:
Other: