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

GRB 130420B

Redshift:
Host Galaxy:
Other Observatory Detections:
Fermi (GBM)

Time: 12:56:31
Trigger Number: 553996
Burst Advocate: Sam Oates

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)
183.095
12:12:22.8
54.376
54:22:33.6
1.1 10.2 6.0 (0.5) 1.4 (0.1) 0.28, CPL (0.52)

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)
12:12:30.81 54:23:26.0 1.8 54.55 n/a 0.017491705 0.007488425 -1.087 1.97752 0.684227

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 57 V>19.6 B>20.9
U>20.6
UVW1>20.1
UVM2>19.8
UVW2>20.1
White>21.7

a arcsec; b seconds

Comments:

UVOT: no detection

References:

BAT: GCN 14411; GCN 14420
XRT: GCN 14411; GCN 14421; GCN 14430; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 14411; GCN 14425
Radio:
Redshift:
Host:
Other: GCN Report 430.1

BAT Light Curve:

BAT Light Curve for GRBblc/130420B.png