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GRB 240101B

Time: 20:25:39
Trigger Number: 1205744
Burst Advocate: Brad Cenko

BAT Data:

RA: a 352.147
23:28:35.3
Dec: a 51.646
51:38:45.6
90% Error Radius: b 2.2
T90: c 43.1
Fluence: d 4.6 (0.8)
1s Peak Photon Flux: e 0.5 (0.1)
Photon Index: f 1.70, PL (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 23:28:22.93
Dec: a 51:38:10.8
90% Error Radius: b 2
Time to First Observation: c 123.86
Early Flux: d 219
11 Hour Flux: d 0.033670175
24 Hour Flux: d 0.018914742
Initial Temporal Index: -1.564
Spectral Index (Gamma): 2.394483094
Column Density (NH): e 7.857840717

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 110
V Magnitude: V>19.2
Other Filter Magnitudes: B>20.5
U>20.2
UVW1>19.3
UVM2>21.0
UVW2>19.3
White>21.8

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:

Comments:

UVOT: no detection

References:

BAT: GCN 35449; GCN 35472
XRT: GCN 35449; GCN 35455; GCN 35470; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 35449; GCN 35458
Radio:
Redshift:
Host:
Other: