\begin{table}%t2
\caption{\label{agez.tab}Selections of ages and metallicities for SSPs from each model, which 
we use below.}
%\centering
\par
\begin{tabular}{l|cccccccccccc|ccc}
\hline\hline
&&&&&&&&&&&&&&&\\[-2.3mm]
Models   & \multicolumn{12}{c|}{Ages (Gyr)}& \multicolumn{3}{|c}{Metallicities ($Z_{\odot}$)}\\
 & \multicolumn{4}{c}{Young ($<$0.2 Gyr)} &\multicolumn{4}{c}{ Intermediate 
 (0.2--2 Gyr)} & \multicolumn{4}{c|}{Old ($>$2 Gyr)} &   &  & \\
& Y1 & Y2 & Y3 & Y4 & I1& I2& I3& I4& O1& O2& O3& O4& Z1& Z2& Z3\\
\hline
BC03, CB07 & 0.004 & 0.010 & 0.064 & 0.102&  0.286& 0.509& 0.905& 1.434&  3.00& 6.00 & 10.00 & 13.00&  0.2& 1.0 & 2.5 \\
Ma05 & 0.004 & 0.010 & 0.065 & 0.100&  0.300& 0.500& 0.900& 1.500&  3.00& 6.00 & 10.00 & 13.00& 0.5&  1.0 & 2.0 \\
GALEV & 0.004 & 0.012 & 0.064 & 0.100&  0.280& 0.500& 0.900& 1.432&  3.00& 6.00 & 10.00 & 13.00&  0.2& 1.0 & 2.5 \\
GRASIL & 0.004 & 0.010 & 0.060 & 0.100&  0.300& 0.500& 0.900& 1.500&  3.00& 6.00 & 10.00 & 13.00& 0.2&  1.0 & 2.5 \\
Vazdekis/Miles &  &  & 0.063 & 0.100&  0.280& 0.500& 0.890& 1.410&  3.16& 6.31 & 10.00 & 12.59&  0.2& 1.0 & 1.5 \\
\hline
\end{tabular}
\tablefoot{BC03 and CB07 are shown in the same line. See more details in Sect.~\ref{sec.ssp}.}
\end{table}