\begin{table}%t1
\caption{The uniform heating rates for the hydrostatic initial conditions.}\label{table1}
%\centering
\small
\begin{tabular}{@{\extracolsep{\fill}}c c c c c c c}
\hline \hline
&0.5~(MK)&1.0&2.0&4.0&8.0\\
\hline
&&&&& \\[-8pt]
$2\times10^9$~cm&$7.90\times10^{-5}$~(erg~cm$^{-3}$~s$^{-1}$)&$1.10\times10^{-3}$&$1.08\times10^{-2}$&...&...\\
$4\times10^9$&$1.50\times10^{-5}$&$2.20\times10^{-4}$&$2.30\times10^{-3}$&...&...\\
$8\times10^9$&$3.00\times10^{-6}$&$5.50\times10^{-5}$&$5.20\times10^{-4}$&$4.90\times10^{-3}$&$8.40\times10^{-2}$\\
$16\times10^9$&$5.00\times10^{-7}$&$9.00\times10^{-6}$&$1.10\times10^{-4}$&$1.10\times10^{-3}$&$1.60\times10^{-2}$\\
\hline
\end{tabular}
\end{table}