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

GRB 130427B

Redshift:
2.78 (VLT: tentative)
Host Galaxy:
Other Observatory Detections:
Faulkes North (2m), VLT

Time: 13:20:41
Trigger Number: 554635
Burst Advocate: Alessandro Maselli

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)
314.900
20:59:36.0
-22.548
-22:32:52.8
1.4 27.0 15 (1) 3.0 (0.4) 1.64, PL (0.15)

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)
20:59:35.63 -22:32:47.9 1.4 77.37 115 0.019117137 0.0037106979 -1.712 1.8144 0.44452598

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
20:59:35.64 -22:32:46.5 1.10 87 n/a White=17.19

a arcsec; b seconds

Comments:

References:

BAT: GCN 14460; GCN 14469
XRT: GCN 14460; GCN 14467; GCN 14479; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 14460
Radio:
Redshift: GCN 14493 (VLT)
Host:
Other:

BAT Light Curve:

BAT Light Curve for GRBblc/130427B.png