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GRB 121211A

Redshift:
1.023 (Keck I)
Host Galaxy:
Other Observatory Detections:
Faulkes North (2m), Keck I, MITSuME (50cm), Harold Johnson Telescope (1.5m), Fermi (GBM)

Time: 13:47:02
Trigger Number: 541200
Burst Advocate: Vanessa Mangano

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)
195.575
13:02:18.0
30.173
30:10:22.8
4.9 182 13 (2.67) 1.0 (0.3) 2.36, PL (0.26)

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)
13:02:07.99 30:08:54.9 1.4 89.52 664 0.13629805 0.0478345 -0.4783 2.0682 4.58545

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
13:02:07.99 30:08:54.6 0.52 97 V>19.9 B=20.4
U=19.6
UVW1=20.6
UVM2=20.6
UVW2>21.1
White=19.9

a arcsec; b seconds

Comments:

References:

BAT: GCN 14057; GCN 14067
XRT: GCN 14057; GCN 14060; GCN 14061; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 14057; GCN 14063
Radio:
Redshift: GCN 14059 (Keck I)
Host:
Other: GCN Report 415.1

BAT Light Curve:

BAT Light Curve for GRBblc/121211A.png