[vsnet-grb-info 13720] GRB 130725A - Faulkes Telescope South Observations
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Fri Jul 26 17:43:54 JST 2013
TITLE: GCN CIRCULAR
NUMBER: 15035
SUBJECT: GRB 130725A - Faulkes Telescope South Observations
DATE: 13/07/26 08:43:47 GMT
FROM: Andrea Melandri at Liverpool John Moores U <axm at astro.livjm.ac.uk>
F.J. Virgili (LJMU), C. Guidorzi (U. Ferrara), J. Japelj, D. Kopac
(U. Ljubljana), A. Melandri (INAF-OAB) report:
"The 2-m Faulkes Telescope South robotically followed up GRB 130725A
(SWIFT trigger 563980; Zhang et al. GCN 15028) beginning 111.9 min
after the GRB trigger time. No optical counterpart is detected within
the XRT error circle to the following conservative limits:
Midtime from GRB Exposure Filter Magnitude
(min) (s)
-------------------------------------------------------------------------
112.2 3x10s r' > 18.9
117.1 1x10s i' > 17
-------------------------------------------------------------------------
Values are calibrated against nearby SDSS field stars.
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