\begin{table}%t1
\caption{\label{table1}Wind parameter for the benchmark model.}   
%\centering
\par
\begin{tabular}{l l l l}    
\hline\hline  \noalign{\smallskip}          
Parameter & Value & Parameter & Value\\
\hline  \noalign{\smallskip}                          
   ${v}_{\rm max}^{po}$ &  $10~000$ $\rm{km~s}^{-1}$ & $\alpha$&         $2.00$\\     
   ${v}_{\rm min}$ &       $100$ $\rm{km~s}^{-1}$  &   $\beta$&          $1.00$\\
   ${v}_{\rm max}^{eq}$&   $2500$ $\rm{km~s}^{-1}$  &  $\Delta \theta$&  $15\degr$\\
   ${V}_{\rm rot}$&        $0$    $\rm{km~s}^{-1}$ &    $\Delta \theta_{\rm t}$&$0.001$ \\
   ${v}_{\rm turb}$&       $500$  $\rm{km~s}^{-1}$ &    $i$&              $90\degr$ \\
   $\tau_{\rm tot_p}$ &  $4.00$ &    $f_{\rm e}$& $0.0$\\
   $k_{\rm pm}$&         $10.0$ & $\gamma$& $1.0$\\
\hline                                  
\end{tabular}
\end{table}