\begin{table}%t2
\caption{\label{table2}Summary of galactic models.}
%\centerline
{
\begin{tabular}{lccccc}
\hline
\hline
 Model & IMF type & Upper/lower cutoffs & $\tau_{\rm SFR}$ & $\alpha_{\rm SF}$ & min/max {\it SFR}  \\ 
\hline 
  1 & Kroupa & $0.1{-}100~M_\odot$ & 13.0 & $6\times 10^{-4}$ & 0.075/0.26  \\ 
  1L & Kroupa & $0.1{-}100~M_\odot$ & 13.0 & $4\times 10^{-4}$  &  0.085/0.17 \\
  2 & Salpeter & $0.1{-}100~M_\odot$ & 18.5 & $6\times 10^{-4}$ & 0.045/0.20 \\
  2L & Salpeter & $0.1{-}100~M_\odot$ & 18.5& $4\times 10^{-4}$ & 0.050/0.14 \\
\hline 
\end{tabular} }
\par
\medskip 
Star formation rate is in $M_\odot$~yr$^{-1}$ and characteristic time
of SFR decay $\tau_{\rm SFR}$ is in Gyr. 
\end{table}