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\begin{document}

\IBVShead{5363}{8 January 2003}

\IBVStitle{New Elements for 5 RR Lyrae Stars}

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

\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, tb@stw.tu-ilmenau.de}}

\IBVStyp{ RR }
\SIMBADobj{V546 Her}
\SIMBADobj{NSV 07922}
\SIMBADobj{NSV 07978}
\SIMBADobj{NSV 08101}
\SIMBADobj{NSV 08147}


\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
V546 Her  & RRab &45003.696 & 0.4672577 & 13\fmm8 & 15\fmm2 & 0\fper15 &242 \\
          &      &        4 &         5&         &          &         &    \\
NSV 07922 & RRab &44749.376 & 0.6043045   & 13\fmm2 & 13\fmm8 & 0\fper13 &215 \\
          &      &        6 &         8&      &      &      &    \\
NSV 07978 & RRab &44343.462 & 0.4625066   & 13\fmm1 & 14\fmm3 & 0\fper11 &240 \\
          &      &        3 &         4 &      &      &      &    \\
NSV 08101 & RRab &44345.475 & 0.6207320   & 13\fmm6 & 15\fmm2 & 0\fper13 &242 \\
          &      &        4 &         6 &      &      &      &    \\
NSV 08147$^*$ & RRab & 38532.447 & 0.536721   & 14\fmm0 & 15\fmm6 & 0\fper11 & 77 \\
          &   &           8 &            7 &      &      &      &    \\
          &   &   46641.390 & 0.536743   &  &  &  & 144\\
          &   &           7 &        2 &      &      &      &    \\
\hline

\end{tabular}
\end{center}
\centerline{\normalsize{$^*$ Variable period; elements valid for J.D. 2437110-2439648 and J.D. 2442924-2449488, respectively}}
\end{table}
\vskip 5mm



\pagebreak

\vspace*{1.5cm}

\begin{table}[!ht]
\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
V546 Her&38549.468&$-$13813&0.003&NSV 07978&38501.551&$-$12631&0.010\\
&38556.466&$-$13798&$-$0.008&&38533.459&$-$12562&0.005\\
&38585.440&$-$13736&$-$0.004&&38852.576&$-$11872&$-$0.007\\
&38935.435&$-$12987&0.015&&38940.464&$-$11682&0.004\\
&39262.486&$-$12287&$-$0.015&&42987.396&$-$2932&0.003\\
&39284.453&$-$12240&$-$0.009&&44266.680&$-$166&$-$0.006\\
&39619.496&$-$11523&0.010&&44343.447&0&$-$0.015\\
&39648.436&$-$11461&$-$0.020&&44374.440&67&$-$0.010\\
&39917.607&$-$10885&0.011&&44732.432&841&0.002\\
&44016.399&$-$2113&0.019&&44757.401&895&$-$0.004\\
&44343.447&$-$1413&$-$0.014&&45077.463&1587&0.003\\
&44365.436&$-$1366&0.014&&45491.404&2482&0.001\\
&44372.452&$-$1351&0.021&&45854.459&3267&$-$0.012\\
&44373.369&$-$1349&0.004&&48088.400&8097&0.022\\
&44757.432&$-$527&$-$0.019&&49154.458&10402&0.002\\
&45003.703&0&0.007&NSV 08101&38502.523&$-$9413&$-$0.002\\
&45054.605&109&$-$0.022&&38640.336&$-$9191&0.008\\
&45055.575&111&0.013&&38852.619&$-$8849&0.001\\
&45223.331&470&0.024&&39620.472&$-$7612&0.009\\
&45441.498&937&$-$0.018&&39638.467&$-$7583&0.002\\
&46612.425&3443&$-$0.039&&44345.475&0&0.000\\
&46613.415&3445&0.016&&44373.393&45&$-$0.015\\
&46649.374&3522&$-$0.004&&44427.411&132&$-$0.001\\
&47770.330&5921&0.001&&45055.575&1144&$-$0.017\\
NSV 07922&38553.465&$-$10253&0.024&&45854.459&2431&$-$0.015\\
&38556.466&$-$10248&0.003&&49193.416&7810&0.024\\
&38579.425&$-$10210&$-$0.002&&49216.362&7847&0.003\\
&38585.440&$-$10200&$-$0.030&NSV 08147&38532.440&$-$10877&0.164\\
&38852.576&$-$9758&0.004&&38640.336&$-$10676&0.174\\
&39260.475&$-$9083&$-$0.003&&39615.549&$-$8859&0.125\\
&39286.461&$-$9040&$-$0.002&&44370.428&$-$4231&$-$0.002\\
&39648.436&$-$8441&$-$0.005&&44749.388&$-$3525&0.017\\
&44016.399&$-$1213&0.044&&44757.401&$-$3510&$-$0.021\\
&44749.388&0&0.012&&45052.610&$-$2960&$-$0.021\\
&45491.435&1228&$-$0.027&&45223.331&$-$2642&0.016\\
&46612.425&3083&$-$0.022&&46612.425&$-$54&0.019\\
&48356.506&5969&0.036&&46641.392&0&0.002\\
&49098.546&7197&$-$0.010&&48804.454&4030&$-$0.010\\
&49193.416&7354&$-$0.016&&\\

\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}{ccrcrcr}
\hline
    &  V546 Her     & &  NSV 07922    & & NSV 07978   &\\
    &  S 9614       & &  S 9615       & & S 9619      & \\
    &  GSC 969.0808 & &  GSC 395.1432 & &GSC 396.1719 & \\
\hline
Comp. No.  &  GSC      & m$^*$     & GSC      & m$^*$  & GSC      &m$^*$\\
\hline
1   &  969.1224 &  13\fmm5  & 395.1503 & 13\fmm4& 396.2048 & 13\fmm3\\
2   &  969.0789 &  14\fmm3  & 395.1769 & 13\fmm7& 396.2031 & 13\fmm9\\
3   &  969.0517 &  14\fmm9  & 395.1562 & 13\fmm9& 396.2000 & 14\fmm4\\
4   &  969.0654 &  15\fmm4  &          &        &          & \\
\hline
&&&&&&\\
&&&&&&\\
&&&&&&\\
&&&&&&\\
\hline
   &  NSV 08101     & &  NSV 08147    & &             &\\
   &  S 9624        & &  S 9626       & &             &\\
   &  GSC 410.2317  & &  GSC 410.1242 & &             &\\
\hline
Comp. No. &  GSC       & m$^*$     & GSC      & m$^*$ &          &    \\
\hline
1   &  397.2150 &  12\fmm9  & 410.1534 & 14\fmm5&          &  \\
2   &  410.2347 &  14\fmm3  & 410.1390 & 14\fmm9&          &  \\
3   &  410.2261 &  14\fmm9  & 410.0796 & 16\fmm0&          &  \\
\hline

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

\vspace*{1cm}

\large
\IBVS2fig{7cm}{5363-f1.eps}{Light curve of V546 Her}{5363-f2.eps}{Light curve of NSV 07922}
%\IBVSfigKey{5363-f1.eps}{V546 Her}{light curve}
%\IBVSfigKey{5363-f2.eps}{NSV 07922}{light curve}
\IBVS2fig{7cm}{5363-f3.eps}{Light curve of NSV 07978}{5363-f4.eps}{Light curve of NSV 08101}
%\IBVSfigKey{5363-f3.eps}{NSV 07978}{light curve}
%\IBVSfigKey{5363-f4.eps}{NSV 08101}{light curve}

\pagebreak

\IBVSfig{4.9cm}{5363-f5.eps}{Light curve of NSV 08147}
%\IBVSfigKey{5363-f5.eps}{NSV 08147}{light curve}

\IBVSedata{5363-t4.txt}
\IBVSedata{5363-t5.txt}
\IBVSedata{5363-t6.txt}
\IBVSedata{5363-t7.txt}
\IBVSedata{5363-t8.txt}


\reference

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


\end{document}


\IBVSedata{5363-t1.txt}

