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\begin{document}

\IBVShead{5369}{31 January 2003}

\IBVStitle{Elements for 5 RR Lyrae Stars in Ophiuchus}

\IBVSauth{H\"{a}ussler, K.$^1$; Kroll, P.$^2$}

\IBVSinst{Bruno-H.-B\"{u}rgel-Sternwarte, T\"{o}pelstr. 46, D-04746 Hartha, Germany}

\IBVSinst{Sternwarte Sonneberg, Sternwartestr. 32, D-96515 Sonneberg, Germany}
\indent  {
\small{email: sternwartehartha@lycos.de, pk@stw.tu-ilmenau.de}}

\IBVStyp{  RR  }
\SIMBADobj{V1053 Oph}
\SIMBADobj{V1056 Oph}
\SIMBADobj{V1059 Oph}
\SIMBADobj{V1060 Oph}
\SIMBADobj{V1061 Oph}


\begintext

\noindent{
The variability of these stars was announced by Hoffmeister (1967); no further 
observations or ephemeris were published until today.
Recent estimations, made on photographic plates taken with the Sonneberg 
Observatory 40cm Astrograph during the years 1964-1994,
have allowed to determine the type of variability as well as first elements 
(see \mbox{Table 1}).
The given elements were obtained by means of least-squares solutions.
Photographic amplitudes were derived with respect to magnitudes of the 
comparison stars given in Table 3. Individual data are available upon request.}

\vskip 3mm
This research made use of the SIMBAD data base, operated by the CDS
at Strasbourg, France.


\vskip 5mm

\begin{table}[!ht]
\centerline{\normalsize Table 1. Summary of this paper}
\large
\vskip 3mm
\begin{center}
\begin{tabular}{ccrrrrcc}
\hline
Star   & Type &  Epoch    &Period &Max. & Min. & M$-$m & No. of  \\
       &      & 2400000+ & (day)  &     &      &     & Plates     \\
\hline
V1053 Oph & RRab &44024.427 & 0.5783325  & 14\fmm7 & 15\fmm5 & 0\fper15 &206 \\
          &      &     	$\pm$6 &         $\pm$7  &         &          &         &    \\
V1056 Oph & RRab &44024.444 & 0.5927557  & 15\fmm2 & 16\fmm4 & 0\fper13 &182 \\
          &      &       $\pm$12 &        $\pm$15  &      &      &      &    \\
V1059 Oph & RRab &44372.334 & 0.6872508  & 14\fmm2 & 15\fmm5 & 0\fper16 &222 \\
          &      &        $\pm$9 &        $\pm$10  &      &      &      &    \\
V1060 Oph & RRab &44370.391 & 0.4403777  & 15\fmm1 & 16\fmm1 & 0\fper13 &194 \\
          &      &        $\pm$4 &         $\pm$3  &      &      &      &    \\
V1061 Oph & RRab &44376.398 & 0.5893621  & 15\fmm0 & 16\fmm4 & 0\fper13 &215 \\
          &   &          $\pm$13 &        $\pm$13  &      &      &      &    \\
\hline

\end{tabular}
\end{center}
\end{table}
\vskip 5mm



\pagebreak

\vspace*{1.5cm}

\begin{table}[!hc]
\centerline{\normalsize Table 2. Individual maxima and $O-C$ values according to the elements derived in this paper}
\vskip 10mm
\begin{center}
\begin{tabular}{lcrrlcrr}
\hline
Star   &  HJD (max.) &Epoch &$O-C$  &  Star   &  HJD (max.) &Epoch &$O-C$  \\
\hline
V1053 Oph&38502.523&$-$9548&0.014&V1059 Oph&44376.427&6&$-$0.031\\
&38528.508&$-$9503&$-$0.026&&44732.466&524&0.012\\
&38531.424&$-$9498&$-$0.001&&45822.442&2110&0.009\\
&38557.467&$-$9453&0.017&&46644.382&3306&$-$0.003\\
&38579.425&$-$9415&$-$0.002&&49098.546&6877&$-$0.012\\
&38583.446&$-$9408&$-$0.029&&49193.416&7015&0.018\\
&38937.420&$-$8796&0.005&V1060 Oph&38530.538&$-$13261&$-$0.004\\
&39299.462&$-$8170&0.011&&38531.424&$-$13259&0.001\\
&44024.435&0&0.008&&38549.468&$-$13218&$-$0.011\\
&45055.617&1783&0.023&&38579.425&$-$13150&0.001\\
&46641.392&4525&0.010&&39299.462&$-$11515&0.020\\
&47262.496&5599&$-$0.015&&39918.613&$-$10109&0.000\\
&49488.498&9448&$-$0.014&&44370.400&0&0.009\\
V1056 Oph&38557.467&$-$9223&0.008&&44373.467&7&$-$0.007\\
&38883.487&$-$8673&0.013&&45055.617&1556&$-$0.002\\
&38937.420&$-$8582&0.005&&45056.500&1558&0.000\\
&39618.468&$-$7433&$-$0.023&&45082.472&1617&$-$0.010\\
&44024.414&0&$-$0.030&&45854.459&3370&$-$0.005\\
&44749.419&1223&0.035&&49193.416&10952&0.008\\
&45082.497&1785&$-$0.016&V1061 Oph&37112.470&$-$12325&$-$0.040\\
&46612.425&4366&0.009&&38530.538&$-$9919&0.023\\
V1059 Oph&38533.459&$-$8496&0.007&&38533.459&$-$9914&$-$0.003\\
&38555.466&$-$8464&0.022&&38579.425&$-$9836&$-$0.007\\
&38882.544&$-$7988&$-$0.031&&39288.461&$-$8633&0.026\\
&38902.485&$-$7959&$-$0.020&&44373.482&$-$5&0.031\\
&39238.572&$-$7470&0.001&&44376.400&0&0.002\\
&39917.607&$-$6482&0.032&&44749.455&633&$-$0.009\\
&44343.463&$-$42&$-$0.007&&45053.591&1149&0.016\\
&44365.436&$-$10&$-$0.026&&45056.537&1154&0.015\\
&44372.369&0&0.035&&45854.475&2508&$-$0.043\\
&44374.390&3&$-$0.006&&46612.425&3794&$-$0.013\\


\hline

\end{tabular}
\end{center}
\end{table}
\vskip 5mm


\pagebreak

\begin{table}
\centerline{\normalsize Table 3. Comparison stars and cross references}
\large
\vskip 3mm
\begin{center}
\begin{tabular}{ccrcr}
\hline
    &  V1053 Oph     & &  V1056 Oph    &\\
    &  S 9622       & &  S 9623       & \\
    &  GSC 397.2567 & &  USNO 0900-09177312 & \\
\hline
Comp. No.  &  GSC      & m$^*$     & GSC      & m$^*$\\
\hline
1   &  397.2315 &  14\fmm3  & 397.0078 & 14\fmm5\\
2   &  397.2376 &  15\fmm1  & 397.2414 & 16\fmm0\\
3   &  397.2340 &  15\fmm5  & 397.0116 & 16\fmm3\\
4   &  397.2565 &  15\fmm7  &          &        \\
\hline
&&&&\\
%&&&&\\
&&&&\\
&&&&\\
\hline
    & V1059 Oph   & & V1060 Oph &\\
    & S 9628      & & S 9629     &\\
    &USNO 0975-08854021 & &USNO 0975-08929161& \\
\hline
Comp. No.  &  GSC/USNO & m$^*$     & GSC/USNO & m$^*$\\
\hline
1   & 977.1260 & 13\fmm7&  977.1000 &  14\fmm5\\
2   & 977.1420 & 14\fmm4&  0975-08924076 &  15\fmm4\\
3   & 0975-08854635 & 15\fmm1&  0975-08926346 &  16\fmm3\\
4   & 0975-08854985 & 15\fmm9&                &       \\
\hline
&&&&\\
%&&&&\\
&&&&\\
&&&&\\
\hline
   &  V1061 Oph    & &             &\\
   &  S 9630       & &             &\\
   &  USNO 0975-08968969 & &             &\\
\hline
Comp. No. &  GSC/USNO       & m$^*$     &       &   \\
\hline
1   & 982.1367 & 14\fmm8&          &  \\
2   & 982.1923 & 14\fmm9&          &  \\
3   & 0975-08970180 & 16\fmm1&          &  \\ 
\hline

\end{tabular}
\end{center}
\centerline{\normalsize $^*$ Magnitudes refer to the B values of the USNO-A2.0 catalogue}
\end{table}

\large

\IBVS2fig{7cm}{5369-f1.eps}{Light curve of V1053 Oph}{5369-f2.eps}{Light curve of V1056 Oph}
%\IBVSfigKey{5369-f1.eps}{V1053 Oph}{light curve}
%\IBVSfigKey{5369-f2.eps}{V1056 Oph}{light curve}
\IBVS2fig{7cm}{5369-f3.eps}{Light curve of V1059 Oph}{5369-f4.eps}{Light curve of V1060 Oph}
%\IBVSfigKey{5369-f3.eps}{V1059 Oph}{light curve}
%\IBVSfigKey{5369-f4.eps}{V1060 Oph}{light curve}

\IBVSfig{4.9cm}{5369-f5.eps}{Light curve of V1061 Oph}
%\IBVSfigKey{5369-f5.eps}{V1061 Oph}{light curve}

\IBVSedata{5369-t4.txt}
\IBVSedata{5369-t5.txt}
\IBVSedata{5369-t6.txt}
\IBVSedata{5369-t7.txt}
\IBVSedata{5369-t8.txt}

\reference

Hoffmeister, C., 1967, {\it Astron. Nachr.}, {\bf 289}, 205


\end{document}

