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GRB 200922A

Time: 12:06:46
Trigger Number: 997024
Burst Advocate: Mike Moss

BAT Data:

RA: a 296.954
19:47:49.0
Dec: a -55.199
-55:11:56.4
90% Error Radius: b 1.0
T90: c 10.30
Fluence: d 28 (1)
1s Peak Photon Flux: e 11.4 (0.5)
Photon Index: f 1.43, CPL (0.26)

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)

XRT Data:

RA: a 19:47:48.87
Dec: a -55:12:15.9
90% Error Radius: b 1.5
Time to First Observation: c 75.57
Early Flux: d 82.1
11 Hour Flux: d 0.03765468
24 Hour Flux: d 0.0153575646
Initial Temporal Index: -1.15
Spectral Index (Gamma): 2.21069
Column Density (NH): e 2.540798

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 19:47:48.76
Dec: a -55:12:16.5
90% Error Radius: b n/a
Time to First Observation: c 86
V Magnitude: V=17.35
Other Filter Magnitudes: B=17.95
U=17.18
UVW1=17.23
UVM2=17.12
UVW2=17.14
White=14.37

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
LCO (1m), Chilescope RC-1000

Comments:

GCN 28492: chance superposition between optical afterglow and archival star

References:

BAT: GCN 28471; GCN 28484
XRT: GCN 28471; GCN 28473; GCN 28476; GCN 28483; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 28471; GCN 28482
Radio:
Redshift:
Host:
Other: