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GCN Circular 10643

GRB 100418A: RTT150 optical observations
2010-04-21T15:06:43Z (14 years ago)
Irek Khamitov at TUG <>
I. Bikmaev (KSU/AST), I. Khamitov (TUG),
S. Melnikov, N. Sakhibullin (KSU/AST),
R. Burenin, M. Pavlinsky, R. Sunyaev (IKI),
Z. Eker (TUG), U. Kiziloglu (METU), E. Gogus (Sabanci Uni.)


The optical afterglow of GRB 100418A (Marshall  et al., GCN 10612, Filgas 
et al., GCN 10617) was observed with Russian-Turkish 1.5-m telescope 
(RTT150, Bakirlitepe, TUBITAK National Observatory, Turkey) in April 20/21, 2010,
at moderate seeing conditions.

We obtained a serie of 600 sec and 300 sec images in Rc-band.

The Table gives our Rc value estimation relative nearby USNO-B1.0
star 1014-0271368  (R2Mag=17.32).

April 21, 2010

  UT    (T-T0), h    Rc       err
00:48  51.6     20.05   +/-0.03

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