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GRB 121201A

Time: 12:25:42
Trigger Number: 540178
Burst Advocate: Vladimir Yershov

BAT Data:

RA: a 13.473
00:53:53.5
Dec: a -42.929
-42:55:44.4
90% Error Radius: b 2.3
T90: c 85
Fluence: d 7.8 (1.0)
1s Peak Photon Flux: e 0.8 (0.1)
Photon Index: f 1.90, PL (0.21)

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 121201A

XRT Data:

RA: a 00:53:52.25
Dec: a -42:56:34.8
90% Error Radius: b 1.4
Time to First Observation: c 115.07
Early Flux: d n/a
11 Hour Flux: d 0.014522466
24 Hour Flux: d 0.005512626
Initial Temporal Index: -1.242
Spectral Index (Gamma): 1.62244
Column Density (NH): e 0.95837

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 00:53:52.16
Dec: a -42:56:34.5
90% Error Radius: b 0.62
Time to First Observation: c 120
V Magnitude: V>19.6
Other Filter Magnitudes: B=19.4
U=20.6
UVW1>21.3
UVM2>21.1
UVW2>20.8
White=19.9

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
3.385 (VLT: emission & absorption)
Host Galaxy:
Other Observatory Detections:
MPI/ESO (2.2m), VLT

Comments:

References:

BAT: GCN 14025; GCN 14028
XRT: GCN 14025; GCN 14027; GCN 14029; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 14025; GCN 14030
Radio:
Redshift: GCN 14035 (VLT)
Host:
Other: GCN Report 404.1