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GRB 121217A

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

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

Burst Alert Telescope (BAT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
T90 b Fluence c
(15-150 keV)
1-sec Peak d
Photon Flux
(15-150 keV)
Photon Index e
(15-150 keV)
153.708
10:14:49.9
-62.354
-62:21:14.4
1.0 778 62 (3) 1.8 (0.1) 1.53, PL (0.08)

90% error in parentheses,
a arcmin; b seconds; c 10-7 erg/cm2; d ph/cm2/sec; e PL = simple power-law, CPL = cutoff power-law

X-Ray Telescope (XRT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
Time to First b
Observation
Early Flux c
(0.3-10 keV)
11 Hour Flux c
(0.3-10 keV)
24 Hour Flux c
(0.3-10 keV)
Initial d
LC Index
Spectral
Index
(Gamma)
Column e
Density
(NH)
10:14:50.43 -62:21:01.8 1.4 64.00 193 0.5307165 0.1784943 -2.753 1.94438 3.983852

a arcsec; b seconds; c 10-11 erg/cm2/s; d temporal; e 1021 cm-2

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.

» XRT GRB Live Catalogue
» XRT Light Curves
» XRT Spectra

UltraViolet/Optical Telescope (UVOT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
Time to First b
Observation
Magnitude Other Filter
Magnitudes
10:14:50.32 -62:21:03.3 0.6 73 V=19.01 B=18.76
U=20.09
UVW1>19.96
UVM2>19.85
UVW2>20.37
White=19.58

a arcsec; b seconds

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

BAT Light Curve:

BAT Light Curve for GRBblc/121217A.png