\begin{table}%t2
%\centering
\par
\caption{Parameters of the ashes for $\rho=\unit[3.2 \times 10^7]{g\ cm^{-3}}$.\label{tab:par1}}
\begin{tabular}{l*{3}{c}}
\hline\hline
                                                                        & N                     & S             & M1    \\
\hline\\[-3mm]
$T$/10$^9$ K                                            &4.823          &4.639  &4.695  \\
%\hline  
$\rho$/10$^7$ g cm$^{-3}$                       &1.103          &1.279  &1.225  \\
%\hline
$\Delta q$/10$^{17}$ erg g$^{-1}$       &7.860          &5.977  &6.273  \\
\hline 
\end{tabular}
\end{table}