Menu

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:

BAT Light Curve for GRB 050820B

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: