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GRB 221027B

Time: 19:13:38
Trigger Number: 1131397
Burst Advocate: Amy Lien

BAT Data:

RA: a 225.601
15:02:24.2
Dec: a 47.451
47:27:03.6
90% Error Radius: b 1.6
T90: c 8.66
Fluence: d 5.8 (0.6)
1s Peak Photon Flux: e 3.4 (0.4)
Photon Index: f 2.39, PL (0.19)

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 15:02:29.03
Dec: a 47:26:31.4
90% Error Radius: b 2.2
Time to First Observation: c 157.08
Early Flux: d n/a
11 Hour Flux: d 0.046523506
24 Hour Flux: d 0.0155127716
Initial Temporal Index: -0.7082
Spectral Index (Gamma): 1.94934
Column Density (NH): e 1.27507

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 131
V Magnitude: V>19.2
Other Filter Magnitudes: B>19.4
U>20.4
UVW1>18.8
UVM2>17.6
UVW2>19.2
White>21.5

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:

Comments:

UVOT: no detection

References:

BAT: GCN 32867; GCN 32892
XRT: GCN 32867; GCN 32868; GCN 32870; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 32867; GCN 32875
Radio:
Redshift:
Host:
Other: