GRB 050820B
Time: 23:50:27
Trigger Number: 151334
Burst Advocate: Mat Page
BAT Data:
RA: a | 135.607 09:02:25.7 |
Dec: a | -72.640 -72:38:24.0 |
90% Error Radius: b | 1.0 |
T90: c | 12.000 |
Fluence: d | 20.60 (0.58) |
1s Peak Photon Flux: e | 3.95 (0.18) |
Photon Index: f | 0.6, CPL (-0.2/0.2) |
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 | n/a |
Dec: a | n/a |
90% Error Radius: b | n/a |
Time to First Observation: c | n/a |
Early Flux: d | n/a |
11 Hour Flux: d | 0.0029016529 |
24 Hour Flux: d | 0.0007266527 |
Initial Temporal Index: | -1.775 |
Spectral Index (Gamma): | 1.97536 |
Column Density (NH): e | 2.37123 |
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 | 1987 |
V Magnitude: | n/a |
Other Filter Magnitudes: | UVM2>19.1 UVW1>19.0 UVW2>19.3 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
XMM-Newton
Comments:
UVOT: UV filters only, due to the presence of a V=4.5 star in its field of view
References:
BAT: GCN 3839; GCN 3840; TS table 9/13/05, 9/24/05; arXiv:0707.4626
XRT: GCN 3842; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 3851
Radio:
Redshift:
Host:
Other: