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

GRB 120711B

Redshift:
Host Galaxy:
Other Observatory Detections:

Time: 03:11:02.58
Trigger Number: 526270
Burst Advocate: Mat Page

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)
331.710
22:06:50.4
59.996
59:59:45.6
3.2 60 5.6 (1.2) 0.4 (0.1) 1.75, PL (0.32)

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)
22:06:45.93 60:01:21.6 1.8 123.06 87.5 0.0102365 0.00274367 -1.688 1.45434 29.2846

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 260 V>18.9 B>19.8
U>19.5
UVW1>18.9
UVM2>19.3
UVW2>20.2
White>21.8

a arcsec; b seconds

Comments:

Contrary to our GCN 13431, we now think that this trigger is very likely GRB, and not a new Galactic source.

References:

BAT: GCN 13431; GCN 13450
XRT: GCN 13431; GCN 13453; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 13431; GCN 13449
Radio:
Redshift:
Host:
Other:

BAT Light Curve:

BAT Light Curve for GRBblc/120711B.png