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GRB 220101A

Time: 05:09:55
Trigger Number: 1091527
Burst Advocate: Aaron Tohuvavohu

BAT Data:

RA: a 1.360
00:05:26.4
Dec: a 31.758
31:45:28.8
90% Error Radius: b 2.2
T90: c 173.36
Fluence: d 250 (0)
1s Peak Photon Flux: e 7.3 (0.3)
Photon Index: f 1.13, CPL (0.13)

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 00:05:24.89
Dec: a 31:46:07.7
90% Error Radius: b 1.9
Time to First Observation: c 80.78
Early Flux: d 1300
11 Hour Flux: d 2.37212832
24 Hour Flux: d 0.89096592
Initial Temporal Index: 1.435
Spectral Index (Gamma): 1.62241
Column Density (NH): e 8.01125

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 00:05:24.80
Dec: a 31:46:08.4
90% Error Radius: b 0.42
Time to First Observation: c 90
V Magnitude: V=18.70
Other Filter Magnitudes: B>19.8
U>20.1
UVW1>20.1
UVM2>20.2
UVW2>20.4
White=14.68

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
4.61 (Xinglong: absorption)
4.618 (NOT: absorption)
4.61 (Asiago: absorption)
Host Galaxy:
Other Observatory Detections:
Fermi (LAT & GBM), Xinglong (2.16m), AGILE, THO (16"), Liverpool (2m), CAHA (2.2m), NOT, Konkoly Observatory, Asiago, GMG (2.4m), OASDG (0.5m), Tautenburg (1.34m), LCO (1m), ALMA @ 97.5 GHz, TNG (3.6m), DFOT (1.3m), VLA @ 6.0 Ghz, iTelescope (T21), AZT-33IK (Mondy), SAO RAS Zeiss-1000 (1m), Konus-Wind, THSAO Zeiss-1000, KAP (1.88m)

Comments:

References:

BAT: GCN 31347; GCN 31348; GCN 31369
XRT: GCN 31347; GCN 31349; GCN 31355; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 31347; GCN 31351
Radio: GCN 31372 (ALMA); GCN 31385 (VLA)
Redshift: GCN 31353 (Xinglong); GCN 31359 (NOT); GCN 31363 (Asiago)
Host:
Other: GCN 31365