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

GRB 120312A

Redshift:
Host Galaxy:
Other Observatory Detections:
WHT, Gemini-North

Time: 16:06:28
Trigger Number: 517566
Burst Advocate: Mike Stamatikos

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)
251.812
16:47:14.9
23.881
23:52:51.6
2.1 14.2 5.7 (0.8) 1.3 (0.3) 1.72, PL (0.23)

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)
16:47:09.16 23:51:29.4 1.6 n/a n/a 0.0030474095 0.0010759381 -1.334 1.6081 1.58591

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
n/a n/a n/a 105 V>20.5 B>20.9
U>21.3
UVW1>21.0
UVM2>21.4
UVW2>21.4
White>21.9

a arcsec; b seconds

Comments:

UVOT: no detection

References:

BAT: GCN 13049; GCN 13052
XRT: GCN 13049; GCN 13053; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 13049; GCN 13057
Radio:
Redshift:
Host:
Other:

BAT Light Curve:

BAT Light Curve for GRBblc/120312A.png