\begin{table}%t1
  %\centering
\par
  \caption{Parameters of the wind.}  \label{tab2}
  \begin{tabular}{ll}
  \hline 
  \hline\noalign{\smallskip}
Parameter & \\
  \hline\noalign{\smallskip}
Wind density (g~cm$^{-3}$) & $2.8\times 10^{-15}$ \\
Wind pressure (erg~cm$^{-3}$)& $1.5\times 10^{-3}$  \\
Wind velocity (cm~s$^{-1}$) &$2\times 10^8$\\
Wind mass-loss rate ($M_{\odot}$~yr$^{-1}$)&$10^{-6}$\\
Wind ram-pressure (erg~cm$^{-3}$) & $1.12 \times 10^2$\\
 \hline
  \end{tabular}
\end{table}