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GRB 121123A

Time: 10:02:41
Trigger Number: 539358
Burst Advocate: Eveline Helder

BAT Data:

RA: a 307.334
20:29:20.2
Dec: a -11.873
-11:52:22.8
90% Error Radius: b 1.8
T90: c 317
Fluence: d 150 (10)
1s Peak Photon Flux: e 2.6 (0.2)
Photon Index: f 0.96, CPL (0.20)

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)

BAT Light Curve:

BAT Light Curve for GRB 121123A

XRT Data:

RA: a 20:29:16.35
Dec: a -11:51:36.8
90% Error Radius: b 1.4
Time to First Observation: c 123.04
Early Flux: d 130
11 Hour Flux: d 0.14239872
24 Hour Flux: d 0.04920228
Initial Temporal Index: 0.3561
Spectral Index (Gamma): 1.93494
Column Density (NH): e 0.573328

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 20:29:16.30
Dec: a -11:51:35.6
90% Error Radius: b 0.44
Time to First Observation: c 131
V Magnitude: V=18.29
Other Filter Magnitudes: B=19.12
U=18.58
UVW1>21.5
UVM2>21.3
UVW2>21.5
White_FC=19.43
White>19.7

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
GMG (2.4m), Fermi (GBM), NOT (2.5m), BOOTES-4 (0.6m), IAC80 (0.82m), MPG/ESO (2.2m), Suzaku, BOOTES-4/MET (0.6m), Abastumani Observatory (0.7m)

Comments:

References:

BAT: GCN 13982; GCN 13990
XRT: GCN 13982; GCN 13989; GCN 13991; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 13982; GCN 14003
Radio:
Redshift:
Host:
Other: GCN Report 403.1