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GRB 121123A

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)

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

Burst Alert Telescope (BAT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
T90 b Fluence c
(15-150 keV)
1-sec Peak d
Photon Flux
(15-150 keV)
Photon Index e
(15-150 keV)
307.334
20:29:20.2
-11.873
-11:52:22.8
1.8 317 150 (10) 2.6 (0.2) 0.96, CPL (0.20)

90% error in parentheses,
a arcmin; b seconds; c 10-7 erg/cm2; d ph/cm2/sec; e PL = simple power-law, CPL = cutoff power-law

X-Ray Telescope (XRT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
Time to First b
Observation
Early Flux c
(0.3-10 keV)
11 Hour Flux c
(0.3-10 keV)
24 Hour Flux c
(0.3-10 keV)
Initial d
LC Index
Spectral
Index
(Gamma)
Column e
Density
(NH)
20:29:16.35 -11:51:36.8 1.4 123.04 130 0.14239872 0.04920228 0.3561 1.93494 0.573328

a arcsec; b seconds; c 10-11 erg/cm2/s; d temporal; e 1021 cm-2

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.

» XRT GRB Live Catalogue
» XRT Light Curves
» XRT Spectra

UltraViolet/Optical Telescope (UVOT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
Time to First b
Observation
Magnitude Other Filter
Magnitudes
20:29:16.30 -11:51:35.6 0.44 131 V=18.29 B=19.12
U=18.58
UVW1>21.5
UVM2>21.3
UVW2>21.5
White_FC=19.43
White>19.7

a arcsec; b seconds

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

BAT Light Curve:

BAT Light Curve for GRBblc/121123A.png