\begin{table}%t1
%\centering
\par
\caption{\label{simulation_parameters}Mass and spatial resolution for the two simulations~S20 and~S100.}
   \begin{tabular}{l c c c c}
\hline
\hline
    Simulations   	& $L$			& $m_{\rm{DM}} $ 	& $m_{\rm{gas}} $ 	& $\epsilon$ \\	   
                	& $[h^{-1}~\rm{Mpc}]$	& $[h^{-1}~{M}_{\odot}]$ 	& $[h^{-1}~{M}_{\odot}]$  	& $[h^{-1}~\rm{kpc}]$\\
\hline
    S20			& $20$			& $2.6\times 10^{7}$	& $5.5\times 10^{6}$			& $2$	\\
    S100		& $100$			& $3.2\times 10^{9}$	& $6.9\times 10^{8}$			& $10$  \\
\hline
\end{tabular}
\end{table}