\begin{table}%t1
\caption{\label{table1}Main structural properties of our model galaxy.}
%\centerline
{
\begin{tabular}{clcc}
\hline\hline
& Mass & Scale length & Central density   \\
\hline
\\[-3mm]
 Stellar disk  & $2.6\times 10^9$ & 4  & 30  \\
 gas disk   & $3.3\times 10^9$  & 30  & 6.5  \\
 halo & $2.0\times 10^{10}$  & 5.7  & $6.0\times 10^{-3}$ \\
 \hline
\end{tabular}}
\par
\medskip
 {All masses are in $M_\odot$, scale lengths in kpc, and  densities in $M_\odot$~pc$^{-2}$ (gas and stellar disks) and $M_\odot$~pc$^{-3}$ (halo). All masses are calculated inside 15~kpc radius.}
\end{table}