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GRB 210818A

Time: 01:02:08
Trigger Number: 1069169
Burst Advocate: Andy Beardmore

BAT Data:

RA: a 148.949
09:55:47.8
Dec: a -87.029
-87:01:44.4
90% Error Radius: b 1.0
T90: c 73.56
Fluence: d 160 (3)
1s Peak Photon Flux: e 11.2 (0.4)
Photon Index: f 1.22, PL (0.03)

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 09:55:28.50
Dec: a -87:01:30.9
90% Error Radius: b 2.0
Time to First Observation: c 58.96
Early Flux: d 1400
11 Hour Flux: d 0.0434605062
24 Hour Flux: d 0.0134413878
Initial Temporal Index: -1.043
Spectral Index (Gamma): 1.64054
Column Density (NH): e 1.936681

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 09:55:28.15
Dec: a -87:01:28.8
90% Error Radius: b 0.62
Time to First Observation: c 66
V Magnitude: n/a
Other Filter Magnitudes: White=17.93

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
AGILE, AstroSat CZTI, Konus-Wind

Comments:

References:

BAT: GCN 30652; GCN 30659
XRT: GCN 30652; GCN 30653; GCN 30660
UVOT: GCN 30652
Radio:
Redshift:
Host:
Other: