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\documentstyle[12pt]{article}
\newcommand{\kms}{km $s^{-1}$}
\begin{document}
\footnotesize
\begin{table}

{\bf Appendix: Radial Velocities and Metal Abundances of RR Lyraes}
\begin{flushleft}

\vspace{0.3cm}

\begin{center}
\begin{tabular}{llllllll} 
\hline\noalign{\smallskip}
Star & Period &\multicolumn{3}{c}{Systemic Velocity (\kms)} &\multicolumn{3}{c}{[Fe/H] ($\ast$)} \\
     &        &This & Previous & & This & Previous & \\
     &        & Work& Work     & sources & Work & Work & Sources \\
\hline
SW And  & 0.442279& -18$\pm$3  & -21$\pm$2, -19$\pm$2 &      1, 6&        -0.36&       0.01, -0.13 &             1, 3 \\
        &         &            &-22$\pm$2, -24$\pm$5  &     8, 16&             &       -0.38, -0.24&             8, 9 \\
        &         &            &                      &         &             &       -0.06, -0.24 &           10, 11 \\
AT And  & 0.616913& -227$\pm$10&-240$\pm$20           &  3      &        -1.14&      -0.72, -1.32  &           3, 11 \\
        &         &            &-250$\pm$30           &   15&&& \\
        &         &            &-228$\pm$5            &   16&&& \\
TY Aps  & 0.501692& 90$\pm$3   & 129$\pm$14, 60$\pm$16&   9, 17&-0.92&    -1.21, -0.73&            8, 12 \\
        &         &            &                      &        &     &    -1.50 & 13 \\
XZ Aps  & 0.587434& 202$\pm$3  & 203$\pm$24           &   9    & -0.55&    -1.57& 8\\
BV Aqr  & 0.364048& -239$\pm$3 &                      &        & -1.18&  & \\
        &  (c)    &            &                      &        & & & \\
CH Aql  & 0.389187& 21$\pm$10  &                      &        & & & \\
IN Ara  & 0.631491& 110$\pm$20 & 115$\pm$33           &   9    & &-1.75& 8\\
BH Aur  & 0.456088& 66$\pm$15  & 49$\pm$5             &   16   & &0.14 & 11\\
RS Boo  & 0.377337& 9$\pm$15   & -4$\pm$2, -9$\pm$2   & 2, 4, 16&-0.31&  -0.52, -0.38, -0.40&    3, 4, 5\\
        &         &            & -7$\pm$5             &         &     &  -0.38, -0.39, -0.33 &   7, 9, 11\\
AE Boo  &0.314892 & 80$\pm$3   & 77$\pm$5             &    16   &-1.18&  -1.65, -1.34 &          2, 11 \\
        & (c)     &            &                      &         & & & \\
AQ Cnc  & 0.548518& 378$\pm$30 & 390$\pm$20, 383$\pm$10&  9, 16  & & -1.41, -1.53 &          6, 8 \\
EZ Cep  & 0.378999& -76$\pm$30 & -70$\pm$3            &       16& &          -0,01&                    11\\
        & (c)     &            &                      &         & & & \\
RR Cet  & 0.553025& -74$\pm$3  & -75$\pm$2, -75$\pm$2  &      1, 7&         -1.31  & -1.30, -1.10, -1.52&  1, 3, 8\\
        &         &            & -74$\pm$5            &       16& &                          -1.38, -1.49&            10, 11\\
U Com   &0.292738 & -25$\pm$3  & 16$\pm$30, -18$\pm$5  &  13, 16 & &            -1.45, -1.10, -1.19&       2, 3, 11\\
        &(c)      &            &                      &         & & & \\
TV CrB  &0.584611 & -122$\pm$10&  -156$\pm$48         &  9      & &             -2.33&                         8\\
DX Del  &0.472617 &   -54$\pm$10   & -55$\pm$2, -57$\pm$2         & 8, 18   &-0.39&-0.30, -0.54, -0.56&     1, 3, 8 \\
        &         &            &                      &         &     &-0.35 & 9 \\
SU Dra  &0.660419 & -165$\pm$3     & -167$\pm$2, -175$\pm$2        & 1, 5    &-1.97&-1.94, -2.08, -1.60&     1, 3, 5\\
        &         &            & -168$\pm$5               & 16      &     &-1.80, -2.00, -1.80&     7, 9, 11 \\
SW Dra  &0.569670 & -40$\pm$10     & -29$\pm$2, -30$\pm$2          & 2, 6    &-0.74&-1.08, -0.71, -0.81&    1, 3, 4 \\
        &         &            & -27$\pm$5                & 16      &     &-1.24, -1.28&8, 11\\
VZ Dra  &0.321031 & -12$\pm$15     &                      &         &     &  & \\ 
        & (c)     &            &                      &         &     & & \\
BC Dra  &0.719576 & -141$\pm$3     & -160$\pm$26              & 9       &     &-2.00 & 8 \\           
BX Dra  &0.561192 & -24$\pm$3      &  75$\pm$30               & 9       &     &-0.45, -0.75&              6, 8\\   
CS Eri  &0.311331 & -147$\pm$10    &                      &         &-1.41& & \\                                            
        & (c)     &            &                      &         &  & & \\
XZ Gru  & 0.347410&7$\pm$3         &                      &         &-1.37& & \\                                        
        & (c)     &            &                      &         &     & & \\
XX Hya  & 0.507741& 32$\pm$30      & 52$\pm$24, -10$\pm$35        &  9, 14  &-1.22&-1.33, -1.11 &            8, 11\\
        &         &            & 95$\pm$10                & 16& & & \\
IK Hya  &0.65     & 258$\pm$15     &                      &   &-1.24& & \\                                        
BX Leo  &0.362860 & -7$\pm$15      & 27$\pm$5                 & 16& &-1.36, -1.21&2, 11\\
        &(c)      &            &                      &   & & & \\
\hline\noalign{\smallskip}
\end{tabular}
\end{center}
\end{flushleft}
\end{table}

\newpage

\begin{table}
\begin{flushleft}
%\begin{center}
\begin{tabular}{llllllll} \hline
Star & Period &\multicolumn{3}{c}{Systemic Velocity (\kms)} &\multicolumn{3}{c}{[Fe/H] ($\ast$)} \\
     &        &This & Previous & & This & Previous & \\
     &        & Work& Work     & sources & Work & Work & Sources \\
\hline\noalign{\smallskip}
FW Lup  &0.484171 & 3$\pm$3        &                      &   & -0.20& -0.25 &13\\                                         
TT Lyn  &0.597438 &-50$\pm$15      &-67$\pm$2, -63$\pm$2          & 1, 4&-1.34&     -1.49, -1.79, -1.53&    4, 5, 11\\
        &         &            &-65$\pm$2, -65$\pm$5          & 8, 16& & & \\
CN Lyr  &0.411382 & 13$\pm$20      & 67$\pm$30, 27$\pm$5          & 9, 16&-1.10&     -0.26, -0.38&               8, 11\\
KX Lyr  &0.440897 & -35$\pm$10     &-40$\pm$28, -60$\pm$30        & 9, 15 & -0.41&-0.13, -0.46, -0.22&     3, 8, 11\\
        &         &            & -37$\pm$5                & 16& & & \\
VY Nor  &0.375305 & 2$\pm$10       &                      &   &-2.01& & \\                                     
        &(c)      &            &                      &  & & & \\
V455 Oph&0.453918 &-45$\pm$20      & -35$\pm$30, -32$\pm$5        & 9, 16& &-1.42, -0.71&8, 11\\
DH Peg  & 0.255510&-68$\pm$3       &-71$\pm$2                 &2 &-1.35&-1.13, -1.22&2, 9\\
DZ Peg  &0.607344 &-289$\pm$10     &-293$\pm$11               &9 &-1.21&-1.52, -1.26& 8, 11\\
        &         &            &-293$\pm$10               &16& & & \\
VZ Peg  &0.306486 & -264$\pm$3     & -258$\pm$10              & 16& -1.63&     -1.98, -1.78& 2, 11\\
        &(c)      &            &                      &   &      &          & \\
AR Per  &0.425549 &8$\pm$15        &5$\pm$2, 1$\pm$2, 3$\pm$5           &1, 3, 16&-0.23&      -0.61, -0.13, -0.43&    1, 3, 8\\
        &         &            &                      &        &&-0.29&11\\
V2232 Sgr&        &-17$\pm$15      &                      & & & & \\
VW Scl  & 0.510915& 53$\pm$10      &                      & &-0.84& &\\
VY Ser  &0.714094 &-148$\pm$3      & -146$\pm$2, -145$\pm$2   &2, 5&-1.53&-1.88, -1.90, -1.88&    3, 5, 7\\
        &         &            & -149$\pm$5           &16& &-1.82, -1.71, -1.90&    8, 10, 11\\
AP Ser  &0.254118 &-85$\pm$3       &-90$\pm$5, -92$\pm$5          &5, 16&-1.62& -1.20, -1.51, -1.69&    1, 2, 3 \\
        &(c)      &            &                      &     &     &  & \\
T Sex   &0.324698 &31$\pm$3        &28$\pm$2, 35$\pm$2             & 1, 8 &-1.27& -1.30, -1.50, -1.37&   2, 9, 11\\
        &(c)      &            &29$\pm$5              &16   & & & \\
MT Tel  &0.316899 &56$\pm$10       &62$\pm$10                 &10&-1.64& -2.04 &2 \\
        &(c)      &            &                      &  &     &       & \\
SX UMa  &0.307153 &-153$\pm$3      &-135$\pm$30, -156$\pm$5    &13, 16&-1.63 &  -1.65, -2.06, -1.30&    1, 2, 3\\
        & (c)     &            &                      &      &      & -1.45&11 \\
TU UMa  &0.557659 &96$\pm$3        &84$\pm$2, 90$\pm$2             &1, 8&-1.66&      -1.55, -1.30, -1.51&   1, 3, 5\\
        &         &            &77$\pm$2, 101$\pm$5           &12, 16& & -1.53, -1.45, -1.57 &  7, 9, 11\\
AM Vir  &0.615088 &98$\pm$3        &94$\pm$34, 105$\pm$35         &9, 14&-1.30&-1.45&8\\
\hline\noalign{\smallskip}
\end{tabular}
\end{flushleft}
%\end{center}
\footnotesize
$\ast$ $\Delta$S values from previous work have been transformed to [Fe/H] using 
[Fe/H] = $-0.13-0.195\Delta$S (Fernley \& Barnes 1996). As discussed in 
the text, the uncertainty in the [Fe/H] values, both from previous work and 
this work, is typically \mbox{$\pm$0.13 dex.} \\

{\bf Sources of mean radial velocities:}\\
{\bf 1:} Liu \& Janes (1990);{\bf 2:} Jones et al (1988); {\bf 3:} Hawley 
\& Barnes (1985);{\bf 4:} Woolley \& Ali (1966);{\bf 5:} Varsavsky (1960); 
{\bf 6:} Cacciari et al (1987);{\bf 7:} Burki \& Meylan (1986); 
{\bf 8:} Barnes et al (1988); {\bf 9:} Layden (1994); {\bf 10:} Imbert (1980); 
{\bf 11:} Preston et al (1961); {\bf 12:} Saha \& White (1990); 
{\bf 13:} Joy (1938); {\bf 14:} Joy (1949); {\bf 15:} Preston (1959); 
{\bf 16:} Fernley \& Barnes (1997); {\bf 17:} Clube et al (1969); {\bf 18:} Meylan et 
al (1986); {\bf 19:} Oke (1966).\\

{\bf Sources of abundances:}\\
{\bf 1:} Butler (1975); {\bf 2:} Kemper (1982); {\bf 3:} Preston (1959); 
{\bf 4:} Clementini et al (1991); {\bf 5:} Kinman \& Caretta (1992); 
{\bf 6:} Smith (1990); {\bf 7:} Suntzeff et al (1991); 
{\bf 8:} Layden (1994); {\bf 9:} Lambert et al (1996); {\bf 10:} Clementini 
et al (1995); {\bf 11:} Fernley \& Barnes (1997); {\bf 12:} Clube et al 
(1969); {\bf 13:} Lub (1979).
\end{table}
\end{document}
