GRB 130831A
Time: 13:04:16
Trigger Number: 568849
Burst Advocate: Lea Hagen
BAT Data:
RA: a | 358.635 23:54:32.4 |
Dec: a | 29.431 29:25:51.6 |
90% Error Radius: b | 1.0 |
T90: c | 32.5 |
Fluence: d | 65 (0.2) |
1s Peak Photon Flux: e | 13.6 (0.6) |
Photon Index: f | 1.93, PL (0.05) |
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 | 23:54:29.92 |
Dec: a | 29:25:47.3 |
90% Error Radius: b | 1.4 |
Time to First Observation: c | 125.80 |
Early Flux: d | 88.7 |
11 Hour Flux: d | 0.23422308 |
24 Hour Flux: d | 0.10099206 |
Initial Temporal Index: | -3.677 |
Spectral Index (Gamma): | 1.79449 |
Column Density (NH): e | 0.0703922 |
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 | 23:54:29.89 |
Dec: a | 29:25:46.2 |
90% Error Radius: b | 0.74 |
Time to First Observation: c | 191 |
V Magnitude: | V=14.4 |
Other Filter Magnitudes: | B=14.9 U=13.9 UVW1=13.9 UVM2=13.6 UVW2=14.8 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:0.4791 (Gemini-North: absorption)Host Galaxy:
Other Observatory Detections:
Faulkes North (2m), Faulkes South (2m), Weihai (1m), MITSuME (50cm), Gemini-North, Konus-Wind, Xinglong (60cm), Skynet/PROMPT (17"), Montarrenti Observatory (0.53m), Virtual Telescope (0.43m), iTelescope (0.32m), Taurus Hill Observatory (0.35m), TUBITAK T100 (1.0m), HJT (1.5m), SANTEL-650 (0.65m), VT-50 (0.5m), AZT-8 (0.7m), SANTEL-400AN, AZT-22, RTT150, MASTER II
Comments:
References:
BAT: GCN 15139; GCN 15155
XRT: GCN 15139; GCN 15147; GCN 15151; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 15139; GCN 15168
Radio:
Redshift: GCN 15144 (Gemini-North)
Host:
Other: