\begin{table}%t2
%\centering
\par
\caption{\label{mass_model}Parameters for the reference giant Sbc model.}
    \begin{tabular}{l l c c}
    \hline
    \hline
    Component  &  Model & Parameters  & Mass  \\
               &        &  $[\rm{kpc}]$ &  $[10^{11}~M_\odot]$ \\
    \hline
    bulge	& Plummer	  & $r_{\rm{b}}=1.4$	& 0.28\\
    disk	& exponential	  & $H_R=4$, $H_z=0.3$   & 0.69\\
    halo	& Plummer	  & $r_{\rm{dm}}=30$    & 5.17\\
    gas	        & Miyamoto-Nagai  & $a=30$, $b=0.3$      & 0.21\\
\hline
    \end{tabular}
\end{table}