R. Zhuchkov, I.Bikmaev, N. Sakhibullin (KSU/AST),
I. Khamitov, Z. Eker (TUG), U. Kiziloglu (METU), E. Gogus (Sabanci Uni.)
R. Burenin, M. Pavlinsky, R. Sunyaev (IKI),
We observed the field of optical afterglow (GCN7846) of GRB080607
(GCN 7847, SWIFT trigger=313417) with Russian-Turkish 1.5-m telescope
(RTT150, Bakirlitepe, TUBITAK National Observatory, Turkey), starting
at 07 June, 18:35 UT, i.e. ~12.4 hours after the burst, using Andor CCD.
We made a set of 4*300s exposures in BRc bands. We detect nothing at the
position of the OT (GCN7846, GCN7858) on co-added frames with limiting
magnitudes B~22.2 and Rc~22.2
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