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GRB 121217A

Time: 07:17:47
Trigger Number: 542441
Burst Advocate: Mike Siegel

BAT Data:

RA: a 153.708
10:14:49.9
Dec: a -62.354
-62:21:14.4
90% Error Radius: b 1.0
T90: c 778
Fluence: d 62 (3)
1s Peak Photon Flux: e 1.8 (0.1)
Photon Index: f 1.53, PL (0.08)

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 121217A

XRT Data:

RA: a 10:14:50.43
Dec: a -62:21:01.8
90% Error Radius: b 1.4
Time to First Observation: c 64.00
Early Flux: d 193
11 Hour Flux: d 0.5307165
24 Hour Flux: d 0.1784943
Initial Temporal Index: -2.753
Spectral Index (Gamma): 1.94438
Column Density (NH): e 3.983852

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 10:14:50.32
Dec: a -62:21:03.3
90% Error Radius: b 0.6
Time to First Observation: c 73
V Magnitude: V=19.01
Other Filter Magnitudes: B=18.76
U=20.09
UVW1>19.96
UVM2>19.85
UVW2>20.37
White=19.58

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
MPG/ESO (2.2m), Fermi (GBM)

Comments:

References:

BAT: GCN 14089; GCN 14096
XRT: GCN 14089; GCN 14090; GCN 14093; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 14089; GCN 14092
Radio:
Redshift:
Host:
Other: GCN Report 410.1