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GRB 231111A

Time: 14:17:19
Trigger Number: 1195887
Burst Advocate: Andrea Melandri

BAT Data:

RA: a 290.197
19:20:47.3
Dec: a 52.440
52:26:24.0
90% Error Radius: b 1.0
T90: c 34.08
Fluence: d 34 (1)
1s Peak Photon Flux: e 2.7 (0.3)
Photon Index: f 1.58, PL (0.07)

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 19:20:45.37
Dec: a 52:26:08.9
90% Error Radius: b 2
Time to First Observation: c 99.63
Early Flux: d 107
11 Hour Flux: d 0.213934944
24 Hour Flux: d 0.073475532
Initial Temporal Index: -3.716
Spectral Index (Gamma): 1.977209951
Column Density (NH): e 1.8990656118

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 19:20:45.25
Dec: a 52:26:10.5
90% Error Radius: b 0.43
Time to First Observation: c 165
V Magnitude: V>19.85
Other Filter Magnitudes: B>20.41
U=16.52
UVW1>20.24
UVM2>20.05
UVW2>20.65

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
~1.39 (TNG, tentative)
1.179 (GTC)
Host Galaxy:
Other Observatory Detections:
Nanshan/HMT (0.5m), MASTER, GIT (0.7m), YAHPT, GECAM-C, Mindy AZT-33IK, Nastro Verde Observatory - Sorrento, GMG, Mephisto, Leavitt Observatory (250mm), NUTTelA-TAO/BSTI, TNG, OSIRIS+/GTC, Xinglong (2.16m), MDM (2.4m), Terskol (Zeiss-2000), Abastumani (AS-32), Maidanak (AZT-22), Mondy (AZT-33IK), Assy (AZT-20)

Comments:

References:

BAT: GCN 34981; GCN 35033
XRT: GCN 34981; GCN 34991; GCN 34995; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 34981; GCN 35069
Radio:
Redshift: GCN 35007 (TNG); 35009 (GTC)
Host:
Other: