\begin{table} %t2  
\caption{\label{tab:bwaqr_param}Astrophysical data adopted for the abundance analysis of BW~Aqr.}
   %\centering
\par
\begin{tabular}{lrr} \hline    
\hline      
 &    Primary       &    Secondary      \\ 
\hline    
\noalign{\smallskip}    
$T_{\mbox{\scriptsize eff}}~$ (K)  &   6300     &   6225 \\
$\log g$ (cgs)                      &  4.075     &   3.981 \\
$v \sin i$ (\kms)                   &  14.0      &  14.0    \\  
$v_{\rm micro}$ (\kms)                  &   1.70     &   1.50   \\              
\hline
\end{tabular}            
\end{table}