[vsnet-grb-info 4506] GRB 070411: Magellan/Clay photometry
GCN Circulars
gcncirc at capella.gsfc.nasa.gov
Thu Apr 12 13:06:05 JST 2007
TITLE: GCN CIRCULAR
NUMBER: 6278
SUBJECT: GRB 070411: Magellan/Clay photometry
DATE: 07/04/12 04:05:59 GMT
FROM: Edo Berger at Carnegie Obs <eberger at ociw.edu>
E. Berger (Carnegie), M. Modjaz, A. Garg, R. Kirshner, P. Challis
(Harvard), and A. Rest (NOAO) report:
"We obtained a 60 sec image in r-band with the LDSS3 instrument on the
Magellan/Clay telescope on 2007 Apr 12.03 UT (4.57 hr after the burst). We
detect the afterglow with r=20.8 mag relative to the USNO-B star located
at RA=07:09:17.9453, DEC=+01:04:09.210 with R=17.6 mag."
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