\begin{table}%t16
%\centering
\par
\caption{Spectroscopic orbital solution for WZ~Oph.
$T$ is the time of central primary eclipse.}\label{tab:wzoph_orb}
\small \begin{tabular}{lr} \hline   
\hline    
Parameter            & \multicolumn{1}{c}{Value} \\ 
\hline
Adjusted quantities:            &   \\ 
$K_{\rm p}$~(\kms)                    &$ 88.77 \pm 0.19 $  \\
$K_{\rm s}$~(\kms)                    &$ 89.26 \pm 0.24 $  \\
$\gamma$~(\kms)                 &$-28.36 \pm 0.13 $  \\
Adopted quantities:             &     \\
$P$~(days)                      &  4.18350681 \\
$T$~(HJD$-$2~400~000)         &  50353.78331 \\
$e$                             &  0.00          \\ 
\noalign{\smallskip}  
Derived quantities:             &      \\
$M_{\rm p} \sin^3 i$~($M_{\sun}$)                     & $1.2262 \pm 0.0073 $ \\
$M_{\rm s} \sin^3 i$~($M_{\sun}$)                     & $1.2194 \pm 0.0063 $ \\
$a_{\rm p} \sin i$~(10$^6$~km)                      & $5.106 \pm 0.011 $ \\
$a_{\rm s} \sin i$~(10$^6$~km)                      & $5.135 \pm 0.014 $ \\
$a \sin i$~($R_{\sun}$)                         & $14.714 \pm 0.026 $ \\
\noalign{\smallskip}  
Other quantities pertaining to the fit:  &      \\
$N_{\rm obs}$                      &    40 \\
Time span (days)               &   918 \\
$\sigma_{\rm p}$~(\kms)              &  1.04 \\
$\sigma_{\rm s}$~(\kms)              &  1.33 \\
\hline
\end{tabular}            
\end{table}