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GRB 111229A

Time: 22:37:52
Trigger Number: 510736
Burst Advocate: Amy Lien

BAT Data:

RA: a 76.561
05:06:14.6
Dec: a -84.687
-84:41:13.2
90% Error Radius: b 2.7
T90: c 25.4
Fluence: d 3.4 (0.7)
1s Peak Photon Flux: e 1.0 (0.2)
Photon Index: f 1.85, PL (0.33)

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 111229A

XRT Data:

RA: a 05:05:09.56
Dec: a -84:42:39.7
90% Error Radius: b 1.8
Time to First Observation: c 83.28
Early Flux: d n/a
11 Hour Flux: d 0.01212846
24 Hour Flux: d 0.0014355032
Initial Temporal Index: 0.005536
Spectral Index (Gamma): 1.95309
Column Density (NH): e 3.69611

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 05:05:08.86
Dec: a -84:42:39.1
90% Error Radius: b 0.55
Time to First Observation: c 87
V Magnitude: V=17.70
Other Filter Magnitudes: B=18.75
U_fc=19.03
U=20.67
UVW1>20.4
UVM2>20.4
UVW2>21.4
White_fc=18.78
White=20.48

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
1.3805 (Gemini-South: absorption)
Host Galaxy:
Other Observatory Detections:
MPG/ESO (2.2m), Gemini-South, Faulkes South

Comments:

References:

BAT: GCN 12774; GCN 12776
XRT: GCN 12774; GCN 12780; GCN 12781; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 12774; GCN 12783
Radio:
Redshift: GCN 12777 (Gemini-South)
Host:
Other: GCN Report 353.1