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GCN Circular 5205

Subject
GRB 060602B: RTT150 optical observations
Date
2006-06-03T15:32:44Z (18 years ago)
From
Rodion Burenin at IKI, Moscow <rodion@hea.iki.rssi.ru>
I. Khamitov (TUG), I. Bikmaev, N. Sakhibullin (KSU/AST),
Z. Aslan (TUG), U. Kiziloglu (METU), E. Gogus (Sabanci Uni.),
R. Burenin, M. Pavlinsky (IKI)

report:

We observed error radius of XRT position of GRB060602B (Swift trigger
213190, Schady et al. GCN5200) with Russian-Turkish 1.5-m telescope
(RTT150, Bakirlitepe, TUBITAK National Observatory, Turkey), starting at
June 3, 00:19UT, i.e. ~25 min after the burst. A series of frames was
taken (7*30s and 5*300 exposures in Rc).

Down to our limiting magnitude R=~23, inside of XRT error circle we
found the only object (RA=17:49:31.80, DEC=-28:08:02.2). The object is
relatively bright (R=18.7) and starlike (PSF FWHM=~1.4''). It is present
in DSS and its brightness did not change during our observations,
therefore we do not consider this object as optical counterpart of
GRB060602B.

Our finding chart can be found at:

http://hea.iki.rssi.ru/grb/060602b/r.jpg

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