[vsnet-grb-info 12811] GRB 130131A - Faulkes Telescope North Observations
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Fri Feb 1 01:29:25 JST 2013
TITLE: GCN CIRCULAR
NUMBER: 14158
SUBJECT: GRB 130131A - Faulkes Telescope North Observations
DATE: 13/01/31 16:27:53 GMT
FROM: Francisco Virgili at Liverpool John Moores U <fjv at astro.livjm.ac.uk>
F.J. Virgili (LJMU), C. Guidorzi (U. Ferrara), and A. Melandri
(INAF-OAB) report:
"The 2-m Faulkes Telescope North robotically followed up GRB 130131A
(Swift trigger 547407, Grupe et al. GCN 14156) 2.88 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)
-------------------------------------------------
3.4 3x10s R >19.2
28.9 720s R >20.6
33.7 700s i' >20.1
-------------------------------------------------
Magnitudes are calibrated with nearby USNOB-1 and SDSS stars."
More information about the vsnet-grb-info
mailing list