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GRB 231215A

Time: 09:47:25
Trigger Number: 1202522
Burst Advocate: Paolo D'Avanzo

BAT Data:

RA: a 9.730
00:38:55.2
Dec: a 57.634
57:38:02.4
90% Error Radius: b 1.3
T90: c 20.75
Fluence: d 100 (10)
1s Peak Photon Flux: e 9.6 (1.4)
Photon Index: f 1.01, PL (0.09)

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 00:38:57.49
Dec: a 57:38:52.4
90% Error Radius: b 2
Time to First Observation: c 2725.73
Early Flux: d 109
11 Hour Flux: d 0.066675196
24 Hour Flux: d 0.20991606
Initial Temporal Index: -1.921
Spectral Index (Gamma): 1.927289232
Column Density (NH): e 4.4592728093

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 00:38:57.52
Dec: a 57:38:50.5
90% Error Radius: b 0.45
Time to First Observation: c 2733
V Magnitude: V=17.48
Other Filter Magnitudes: B=18.63
U=18.17
UVW1=19.57
UVM2>19.4
UVW2>19.5
White=18.10

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
2.305 (OSIRIS+/GTC: absorption)
Host Galaxy:
Other Observatory Detections:
Mondy (AZT-33IK), MITSuME (50cm), AstroSat CZTI, Nanshan/HMT (0.5m), GROWTH-India (0.7m), AGILE, BOOTES-4/MET (0.6m), OHP/T193, CALET GBM, Fermi (GBM), OSIRIS+/GTC (10.4m), NOT, INAF Asiago, Konus-Wind, GRBAlpha, AMI-LA @ 15.5 GHz, GRID, VLA (@ 6 & 10 GHZ)

Comments:

Due to an observing constraint, Swift did not slew until T0+42.6 minutes.

References:

BAT: GCN 35343; GCN 35386
XRT: GCN 35345; GCN 35357; GCN 35364; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 35366
Radio: GCN 35397 (AMI-LA); GCN 35507 (VLA); GCN 35900 (VLA)
Redshift: GCN 35373 (OSIRIS+/GTC)
Host:
Other: