\begin{table}%t2
\caption{\label{t2}Ingredients for the galactic model. The IMFs are from Kroupa  (\cite{Kroupa01}).}
 %\centering
\par
\begin{tabular}{cccccc}
\hline
\hline
 & $Z$      & {\it SFR} (constant) & Spatial parameters ($H$, $L$)\\
\hline
DISK       & 0.02   & 0.1--6 Gyr & $H=250$ pc, $L=3500$\\
THICK DISK & 0.006  & 5--10 Gyr  & $H=1$ Kpc, $L=3500$\\
HALO       & 0.0008 & 11--13 Gyr & $\rho \propto R_{\rm Gal}^{~-3}$\\
\hline
\end{tabular}
\end{table}