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\IBVShead{5924}{12 February 2010}

\IBVStitle{New Times of Minima of Some Eclipsing Binary Stars}

\IBVSauth{Erkan, N.; Erdem, A.; Akin, T.; Al\.{i}\c{c}avu\c{s}, F.; Soydugan, F.}

\IBVSinsto{Department of Physics, Faculty of Arts and
Sciences, \c{C}anakkale Onsekiz Mart University  and \c{C}anakkale
Onsekiz Mart University Observatory, Terzio\v{g}lu Campus, TR-17100,
\c{C}anakkale, Turkey; e-mail: dogru@comu.edu.tr}

\begintext

\vspace*{-0.5cm}

\IBVSEobs{ 30-cm Cassegrain-Schmidt (T30), 40-cm Cassegrain-Schmidt (T40) and 122-cm Cassegrain-Nasmyth (T122) telescopes of the \c{C}anakkale University Observatory.}

\IBVSEdet{-ST237 camera, Peltier cooling, TC237 chip, $11\arcm
\times 8\arcm$ FOV, 640 $\times$ 480 pixels, (ST).\\&
-ALTA U47 camera, Peltier cooling, E2V CCD47-10 chip, $15\arcm
\times 15\arcm$ FOV, 1024 $\times$ 1024 pixels, (ALTA).\\&
-STL1001E camera, Peltier cooling, KAF-1001E chip, $28\arcm \times 28\arcm$ FOV, 1024 $\times$ 1024 pixels, (STL).}

\IBVSEred{Reduction of the CCD frames was made with
C-MUNIPACK\footnotemark\ software.}

\footnotetext[1]{Motl, D., 2004, C-MUNIPACK, {\tt
http://integral.sci.muni.cz/munipack/}}


\IBVSEmethod{Kwee -- van Woerden method (Kwee \& van Woerden,
1956).}


{\normalsize \IBVSEmins{
XZ And   &   55140.4666   &   0.0002   &   I   &   C   &   T40-ST   \\
				 &   55187.2939		&		0.0003	 &   II	 &	 C	 &	 T40-ST	  \\
KO Aql   &   55079.3683   &   0.0004   &   I   &   C   &   T40-ST   \\
OO Aql   &   55018.5154   &   0.0004   &   I   &   C   &   T40-ST   \\
CL Aur   &   55154.4182   &   0.0001   &   I   &   C   &   T40-ST   \\
SX Aur   &   55173.3918   &   0.0002   &   I   &   C   &   T40-ST   \\
DO Cas   &   55104.5485   &   0.0002   &   I   &   C   &   T40-ST   \\
IV Cas   &   55070.5110   &   0.0001   &   I   &   C   &   T40-ST   \\
         &   55161.3769   &   0.0001   &   I   &   C   &   T40-ST   \\
RZ Cas   &   55157.6186   &   0.0001   &   I   &   C   &   T40-ST   \\
TV Cas   &   55133.6118   &   0.0001   &   I   &   C   &   T40-ST   \\
ZZ Cas   &   55159.4127   &   0.0002   &   I   &   C   &   T40-ST   \\
RY Cnc   &   55157.5175   &   0.0001   &   I   &   C   &   T40-ST   \\
V909 Cyg &   55077.3184   &   0.0002   &   I   &   C   &   T40-ST   \\
BR Cyg   &   55074.3206   &   0.0001   &   I   &   C   &   T40-ST   \\
CG Cyg   &   55105.2521   &   0.0001   &   I   &   C   &   T40-ST   \\
DK Cyg   &   55075.3783   &   0.0003   &   I   &   C   &   T40-ST   \\
GO Cyg   &   55071.4840   &   0.0004   &   I   &   C   &   T40-ST   \\
} }

{\normalsize \IBVSEmins{
UW Cyg   &   55091.4404   &   0.0001   &   I   &   C   &   T40-ST   \\
WW Cyg   &   55042.5055   &   0.0002   &   I   &   R   &   T30-ALTA \\
         &   55042.5055   &   0.0002   &   I   &   V   &   T30-ALTA \\
         &   55062.4132   &   0.0002   &   I   &   C   &   T40-ST   \\
WZ Cyg   &   55079.4924   &   0.0003   &   I   &   C   &   T40-ST   \\
ZZ Cyg   &   55071.3670   &   0.0002   &   I   &   C   &   T40-ST   \\
         &   55127.3118   &   0.0002   &   I   &   C   &   T40-ST   \\
TY Del   &   55105.4205   &   0.0001   &   I   &   C   &   T40-ST   \\
RR Dra   &   55160.3391   &   0.0002   &   I   &   C   &   T40-ST   \\
TZ Eri   &   55163.4249   &   0.0002   &   I   &   C   &   T40-ST   \\
AK Her   &   55018.4482   &   0.0015   &   I   &   C   &   T40-ST   \\
SZ Her   &   55091.2964   &   0.0001   &   I   &   C   &   T40-ST   \\
DG Lac   &   55088.4013   &   0.0002   &   II  &   R   &   T122-STL \\
RW Mon   &   55133.4676   &   0.0001   &   I   &   C   &   T40-ST   \\
V501 Oph &   55042.3905   &   0.0003   &   I   &   R   &   T30-ALTA \\
         &   55042.3904   &   0.0003   &   I   &   V   &   T30-ALTA \\
FH Ori   &   55123.5334   &   0.0002   &   I   &   C   &   T40-ST   \\
FL Ori   &   55157.3903   &   0.0001   &   I   &   C   &   T40-ST   \\
AT Peg   &   55070.4057   &   0.0001   &   I   &   C   &   T40-ST   \\
BG Peg   &   55077.4601   &   0.0001   &   I   &   C   &   T40-ST   \\
DI Peg   &   55044.4620   &   0.0001   &   I   &   R   &   T30-ALTA \\
         &   55044.4620   &   0.0001   &   I   &   V   &   T30-ALTA \\
         &   55116.3557   &   0.0001   &   I   &   C   &   T40-ST   \\
TY Peg   &   55133.3197   &   0.0001   &   I   &   C   &   T40-ST   \\
RT Per   &   55116.5253   &   0.0001   &   I   &   C   &   T40-ST   \\
         &   55163.2421   &   0.0001   &   I   &   C   &   T40-ST   \\
XZ Per   &   55105.5329   &   0.0001   &   I   &   C   &   T40-ST   \\
Z Per    &   55173.2947   &   0.0002   &   I   &   C   &   T40-ST   \\
ZX Per   &   55127.4097   &   0.0002   &   I   &   C   &   T40-ST   \\
UZ Sge   &   55114.3830   &   0.0001   &   I   &   C   &   T40-ST   \\
AC Tau   &   55154.6017   &   0.0001   &   I   &   C   &   T40-ST   \\
X Tri    &   55104.4290   &   0.0000   &   I   &   C   &   T40-ST   \\
AX Vul   &   55044.3720   &   0.0003   &   I   &   R   &   T30-ALTA \\
         &   55044.3725   &   0.0004   &   I   &   V   &   T30-ALTA \\
BO Vul   &   55154.2614   &   0.0000   &   I   &   C   &   T40-ST   \\
AY Vul   &   55138.3466   &   0.0001   &   I   &   C   &   T40-ST   \\
} }

\IBVSErem{We present 54 minima times of 44 eclipsing binaries. In
the Remarks column of Times of Minima table, telescopes and
detectors used in the observations are given.}

\IBVSEack{This study was supported by the Turkish {\it TUBITAK} under
the grant no. 108T714, and it was also partly supported by the
Research Found of \c{C}anakkale Onsekiz Mart University.}


\reference

Kwee, K. K., \& van Woerden, H., 1956, {\it Bull.\ Astron.\ Inst.\
Neth.}, {\bf 12}, 327.

\endreferences

\vfill
%From: IBVS 5988
\IBVSerratum{5924}

ZX Per should be changed as XZ Per.

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