[vsnet-grb-info 3010] GRB 060218: RTT150 optical observations

[GCN Circulars]

TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  4847
SUBJECT: GRB 060218: RTT150 optical observations
DATE:    06/03/02 19:13:25 GMT
FROM:    Rodion Burenin at IKI, Moscow  <rodion at hea.iki.rssi.ru>

R. Burenin, A. Mescheryakov, M. Pavlinsky, R. Sunyaev (IKI), 
I. Khamitov, Z. Aslan (TUG), U. Kiziloglu (METU), E. Gogus (Sabanci Uni.),
I. Bikmaev, N. Sakhibullin (KSU/AST)

report:

We observed GRB 060218/SN 2006aj (Cusumano et al., GCN 4775) with
Russian-Turkish 1.5-m telescope (RTT150, Bakirlitepe, TUBITAK National
Observatory, Turkey) over 3 nights in BVRI. The magnitudes of the object
are:

Time (UT)   B     V     R     I
Feb 21.84  18.49  -    17.82 17.53
Feb 22.75  18.20 17.80 17.62 17.40
Feb 25.75  17.98 17.57 17.30 16.89

The photometry is preliminary and is based on our observations of Landolt
stars in these and previous nights.

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