\begin{table}%t6
\caption{\label{tab:ewori_spel}Spectroscopic orbital solutions for \EW\ determined from re-analyses of the radial velocity observations by Popper et~al. (\cite{plft86}) and Imbert (\cite{imbert02}).}
%\centering
\par
\begin{tabular}{lrr} 
\hline   
\hline\noalign{\smallskip}    
Parameter:           & \multicolumn{1}{c}{Popper et~al.}  & \multicolumn{1}{c}{Imbert (adopted)} \\ 
\hline
Adjusted quantities:            &                  &                   \\ 
$K_{\rm p}$~(\kms)                    &$ 73.18 \pm 0.41$ &  $72.26 \pm 0.24$  \\
$K_{\rm s}$~(\kms)                    &$ 75.46 \pm 0.43$ &  $75.44 \pm 0.31$  \\
$\gamma_{\rm p}$~(\kms)               &$ -7.03 \pm 0.37$ &  $-6.00 \pm 0.18$  \\
$\gamma_{\rm s}$~(\kms)               &$ -7.21 \pm 0.39$ &  $-5.40 \pm 0.24$  \\
Adopted quantities:             &                  & \\
$P$~(days)                      &  6.93684324      &  6.93684324 \\      
$T$~(HJD$-$2~400~000)\tablefootmark{a}    &  51877.8014      & 51877.8014  \\ 
$T_{\rm p}$~(HJD$-$2~400~000)\tablefootmark{b}  &  51875.1968      & 51875.1968  \\
$e$                                       &  0.0758          & 0.0758      \\ 
$\omega$ ~ (\degr)                       &  309.1           & 309.1       \\ 
Derived quantities:               &                    &          \\
$M_{\rm p} \sin^3i~{(M_{\odot})}$ &$1.188 \pm 0.015$  &$1.173 \pm 0.010$ \\
$M_{\rm s} \sin^3i~{(M_{\odot}})$ &$1.152  \pm 0.014$ &$1.123 \pm 0.009$ \\
$q = M_{\rm s}/M_{\rm p}$                     &$0.970 \pm 0.008$  &$0.958 \pm 0.005$ \\
$a \sin i~{(R_{\odot})}$    &$20.313 \pm 0.081$ &$20.184 \pm 0.054$\\
Other quantities                         &      &      \\
pertaining to the fit:                   &      &      \\
$N_{obs} (p/s)$                          &17/17 &25/24 \\
Time span (days)                         &1897  &1857  \\
$\sigma_{\rm p}$\tablefootmark{c} ~(\kms)       &  1.53& 0.91 \\               
$\sigma_{\rm s}$\tablefootmark{c} ~(\kms)       &  1.62& 1.16 \\              
\hline
\end{tabular}            
\tablefoot {\tablefoottext{a}{Time of periastron;}
\tablefoottext{b}{time of central primary eclipse;}
\tablefoottext{c}{standard deviation of a single radial velocity.}}
\end{table}