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GRB 111123A

Time: 18:13:21
Trigger Number: 508319
Burst Advocate: Mike Stamatikos

BAT Data:

RA: a 154.845
10:19:22.8
Dec: a -20.639
-20:38:20.4
90% Error Radius: b 1.1
T90: c 290.0
Fluence: d 73 (3)
1s Peak Photon Flux: e 0.9 (0.1)
Photon Index: f 1.68, 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)

BAT Light Curve:

BAT Light Curve for GRB 111123A

XRT Data:

RA: a 10:19:23.13
Dec: a -20:38:41.0
90% Error Radius: b 1.4
Time to First Observation: c n/a
Early Flux: d 848
11 Hour Flux: d 0.0775464
24 Hour Flux: d 0.01625109
Initial Temporal Index: 0.5636
Spectral Index (Gamma): 2.55463
Column Density (NH): e 2.24049

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>20.2
Other Filter Magnitudes: B>20.7
U>20.8
UVW1>20.6
UVM2>20.6
UVW2>20.9
White>21.7

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
3.1516 (VLT: emission from host)
Host Galaxy:
g=25.83, I = 23.55 (Keck I), VLT
Other Observatory Detections:
GMG (2.4m), TNG (3.6m)

Comments:

References:

BAT: GCN 12587; GCN 12598
XRT: GCN 12587; GCN 12590; GCN 12592; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 12587; GCN 12597
Radio:
Redshift: GCN 14273 (VLT)
Host: GCN 14273 (Keck I)
Other: