\begin{table}%t1
%\centering
\par
\caption{Properties of a radiative shock for gas with a ratio
of specific heats, $\gamma=5/3$.\label{tab:properties}}
\begin{tabular}{llll}
\hline\hline
$M$ & $\rho_{\rm s}/\rho_{\rm 0}$ & $\rho_{\rm c}/\rho_{\rm 0}$ 
& $T_{\rm s}/T_{\rm 0}$ \\
\hline
1.4 & 1.58 & 3.27 & 1.39 \\
2.0 & 2.29 & 6.67 & 2.08 \\
3.0 & 3.00 & 15.0 & 3.66 \\
5.0 & 3.57 & 41.7 & 8.68 \\
10.0 & 3.88 & 167 & 32.1 \\
20.0 & 3.97 & 667 & 126 \\
40.0 & 3.99 & 2667 & 501 \\
\hline
\end{tabular}
\end{table}