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GRB 201221A

Time: 07:09:01
Trigger Number: 1013852
Burst Advocate: Kim Page

BAT Data:

RA: a 214.488
14:17:57.1
Dec: a -45.406
-45:24:21.6
90% Error Radius: b 1.6
T90: c 44.5
Fluence: d 18 (2)
1s Peak Photon Flux: e 1.0 (0.3)
Photon Index: f 1.40, PL (0.15)

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 14:17:55.22
Dec: a -45:24:58.1
90% Error Radius: b 1.5
Time to First Observation: c 136.48
Early Flux: d n/a
11 Hour Flux: d 0.043971822
24 Hour Flux: d 0.0105810462
Initial Temporal Index: -0.5907
Spectral Index (Gamma): 1.45068
Column Density (NH): e 72.9997

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 141
V Magnitude: V>18.8
Other Filter Magnitudes: B>18.3
U>19.5
UVW1>19.4
UVM2>19.2
UVW2>19.4
White>20.2

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
5.70 (VLT)
Host Galaxy:
Other Observatory Detections:
VLT, Fermi (GBM), REM (60cm), Konus-Wind

Comments:

UVOT: no detection

References:

BAT: GCN 29096; GCN 29116
XRT: GCN 29096; GCN 29097; GCN 29105; GCN 29108; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 29096; GCN 29109
Radio:
Redshift: GCN 29100 (VLT)
Host:
Other: