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)

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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:

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

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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

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^a J2000; ^b arcsec; ^c seconds

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