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GRB 121229A

Time: 05:00:21
Trigger Number: 544347
Burst Advocate: Eda Sonbas

BAT Data:

RA: a 190.095
12:40:22.8
Dec: a -50.588
-50:35:16.8
90% Error Radius: b 2.8
T90: c n/a
Fluence: d 4.6 (1.3)
1s Peak Photon Flux: e 0.1 (0.0)
Photon Index: f 2.43, PL (0.46)

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 121229A

XRT Data:

RA: a 12:40:24.31
Dec: a -50:35:38.6
90% Error Radius: b 1.7
Time to First Observation: c 145.90
Early Flux: d 121
11 Hour Flux: d 0.0004456618
24 Hour Flux: d 0.00008566844
Initial Temporal Index: -5.382
Spectral Index (Gamma): 2.18362
Column Density (NH): e 0.00000000000000345225

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 155
V Magnitude: V>198.9
Other Filter Magnitudes: B>20.5
U>20.1
UVW1>20.0
UVM2>17.6
UVW2>20.1
White>21.2

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
2.707 (VLT: absorption)
Host Galaxy:
Other Observatory Detections:
MPG/ESO (2.2m), MAXI/GSC, VLT

Comments:

UVOT: no detection

References:

BAT: GCN 14115; GCN 14123
XRT: GCN 14115; GCN 14121; GCN 14124; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 14115; GCN 14122
Radio:
Redshift: GCN 14120 (VLT)
Host:
Other: GCN Report 418.1