The Swift Gamma-Ray Burst Mission Italian site U.K. site

GRB 121212A

Redshift:
Host Galaxy:
Other Observatory Detections:
INTEGRAL, Keck I, ISON-NM (0.45m), Palomar (60"), AZT-22, Harold Johnson Telescope (1.5m), NOT

Time: 06:56:13
Trigger Number: 541371
Burst Advocate: Dirk Grupe

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)
177.787
11:51:08.9
78.052
78:03:07.2
2.1 6.8 1.2 (0.3) 0.7 (0.1) 2.65, PL (0.40)

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)
11:51:10.16 78:02:14.7 1.4 68.37 n/a 0.06604096 0.0383008 -0.6983 2.41414 2.12856

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
11:51:10.30 78:02:14.3 0.62 72 V>20.3 B>20.9
U=20.25
UVW1>20.8
UVM2>20.5
UVW2>20.9
White=21.23

a arcsec; b seconds

Comments:

References:

BAT: GCN 14064: GCN 14068
XRT: GCN 14064; GCN 14066; GCN 14073; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 14064; GCN 14069
Radio:
Redshift:
Host:
Other: GCN Report 405.1

BAT Light Curve:

BAT Light Curve for GRBblc/121212A.png