\begin{table}%t3
\caption{\label{tab3}Microscopic diffusion and radiative acceleration effects on the large frequency separation, $\nu_{\ell=0,n=14}$ and $\nu_{\ell=0,n=27}$.}
\par
\small%\centerline
 {
     \begin{tabular}{p{0.17\linewidth}llllllc}
        \hline\hline
        $M/M_{\odot} $        &  $T_{\rm eff}$ &  $Z/X$  & $\Delta \nu$           &   $\nu_{\ell=0,n=14}$     &   $\nu_{\ell=0,n=27}$    & Model \\
                                  & {[K]}   &               & {[$\mu$Hz]}  &   {[$\mu$Hz]}   &   {[$\mu$Hz]}  &                 \\
        \hline
&&&&&& \\[-8pt]
        1.35                      & 6668                    &   4.1 $\times$ $10^{-3}$   &  94.0		    & 1401  & 2627             & 6 \\
        1.3                       & 6480                    &   4.2 $\times$ $10^{-3}$   &  85.7		    & 1280  & 2401             & 7 \\
        1.25                      & 6151                    &   1.15 $\times$ $10^{-2}$  &  76.3	                & 1216  & 2209	   & 8 \\
\hline
\end{tabular}}
\medskip
Note 1. The models all have the same initial composition ($X=0.7195$, $Y=0.2664$ and thus $Z/X=1.959$~$\times$ $10^{-2}$) and are stopped at the same luminosity ($\log L/L_{\odot}=0.53$).
Then the ages of the~1.25, 1.3 and 1.35~$M_{\odot}$ models are respectively 3.32, 1.79 and 0.54~Gyr.
\end{table}