GCN Circular 2208
Subject
GRB030429: RTT150 optical observations, a possible host galaxy
Date
2003-05-06T18:07:45Z (22 years ago)
From
Irek Khamitov at TUG <irekk@tug.tug.tubitak.gov.tr>
I. Khamitov (TUG), I.Bikmaev (KSU), M.Parmaksizoglu (TUG);
N. Sakhibullin, V. Suleymanov (KSU);
R. Burenin, R. Sunyaev, D. Denissenko, M. Pavlinsky, O. Terekhov, A.
Tkachenko, M.Gilfanov (IKI);
Z. Aslan, O.Golbasi (TUG);
U. Kiziloglu, A. Alpar, A. Baykal (METU);
report:
We have observed the GRB 030429 optical afterglow (HETE trigger
2695) with the 1.5-m Russian-Turkish Telescope RTT150 at TUG.
A set of 10 exposures by 5 min. duration each with Rc Bessell
filter has been obtained on the night May 02/03, 2003, under good photometric
conditions. Inspite of that TO was observered on large zenith distance,
the seeing was stable and about 1.8 arcsec. We used TE Andor CCD with
Marcony back-illuminated 2048 x 2048 chip (binned 2*2) cooled to -60C temperature.
Aperture photometry was done according to Landolt stars observered
at the same night.
On combined (50 min) image there are two extended sources at the
position of TO as noted in Fyndo at al. (GCN 2185). The brightness of the sources
are close and Rc=23.5+/-0.5. Photometry was done without color term correction.
The bright source on about 7 arcsec northeast of TO is not a star-like
source. Combined image and part of finding chart from Gilmore at al. (GCN
2184) can be found at
http://www.tug.tubitak.gov.tr/gozlemler/GRB030429.jpg
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