\begin{table}%t2
%\centering
\par
\caption{\label{table1}Masses ($M$), gravitational softening lengths~($\epsilon$) and
number of particles~($N$) of each component used in the simulations.} 
\begin{tabular}{ccccc}
\hline\hline
 & DM & Gas & Star (disk) & Star (bulge)\\
\hline\noalign{\smallskip}
$M_{\rm host}$ ($10^{10}~M_\odot$) & 6.60 & 0.31 & 0.93 & 0.41\\
%\hline
$M_{\rm sat}$ ($10^{10}~M_\odot$) & 2.20 & 0.21 & 0.21 & 0.14\\
%\hline
$\epsilon$ (kpc) & 0.1 & 0.2 & 0.2 & 0.1\\
%\hline
$N_{\rm host}$ &100~000  &48~000  & 25~714  &24~000  \\
%\hline
$N_{\rm sat}$ &33~333 & 32~000 & 5714  &8000 \\
\hline
\end{tabular}
\par
\end{table}