\begin{table}%t1
%%\centering

\par
\caption{
Parameters adopted for the simulations. 
}
\begin{tabular}{lcccccccccr}
\hline
\hline
Model & Number of& $M_{\rm gas}\rm$  & $M_{\rm dm}\rm$ &
$\Omega_{0{\rm M}}$ & $\Omega_{0\Lambda}$ & $\Omega_{0{\rm b}}$ & $h$ & $\sigma_8$
& $n$ & SF threshold \\
 &gas+dm particles & $[ M_{\odot}/{\it h}]$ & $[ M_{\odot}/{\it h}]$ & & & & & & & $[h^2~\rm cm^{-3}]$\\
\hline
wmap5-ht   &$2\times 32~768~000$ & 128 & 621 & 0.258 & 0.742 & 0.0441& 0.72  & 0.8 & 0.96 &135.0\phantom{x}\\
wmap5-lt   &$2\times 32~768~000$ & 128 & 621 & 0.258 & 0.742 & 0.0441& 0.72  & 0.8 & 0.96 &0.2\phantom{x}\\
std-ht 	   &$2\times 32~768~000$ & 116 & 755 & 0.300 & 0.700 & 0.0400& 0.70  & 0.9 & 1.00 &135.0\phantom{x}\\
std-lt     &$2\times 32~768~000$ & 116 & 755 & 0.300 & 0.700 & 0.0400& 0.70  & 0.9 & 1.00 &0.2\phantom{x}\\
zoom-std-ht&$2\times 41~226~712$ & 3.9 & 25.6 & 0.300 & 0.700 & 0.0400& 0.70  & 0.9 & 1.00 &135.0\phantom{x}\\
\hline
\label{tab:sims}
\end{tabular} 
\smallskip
The columns (from left to
right) specify: name of the run,
number of particles used,
gas-particle mass,
dark-matter-particle mass,
$\Omega_{0,{\rm m}}$,
$\Omega_{0,\Lambda}$,
$\Omega_{0,{\rm b}}$,
$h$,
$\sigma_8$,
spectral index,
star formation density threshold.
\end{table}