\begin{table}%t2
\caption{AGB and LPV lifetimes.\label{tab-WG}}
%\centerline
 {\begin{tabular}{rrrrr} \hline\hline
 $Z$    & Mass    &  AGB lifetime   & \multicolumn{2}{c}{LPV lifetime}   \\
        &         &                 &      O          &    C \\
        & (\msol) & (10$^3$ years)  & (10$^3$ years)  & (10$^3$ years)  \\ \hline
0.016 & 2.5 & 2269 & 101 & 49 \\ % -   0.1
0.016 & 2.6 & 2301 &  70 & 43 \\ % -   1.0
0.016 & 3.0 & 1643 &  36 & 35 \\ % -   1.4
0.016 & 3.5 &  497 &  25 & 26 \\ % 1.3 45
0.016 & 4.0 &  232 &  18 & 21 \\ % 20  96
0.016 & 4.5 &  191 &  16 & 19 \\ % 67 100
0.016 & 5.0 &  175 &  15 & 14 \\ % 96 100%
0.010 & 2.5 & 2088 & 78 & 45 \\ % - 0.2
0.010 & 2.6 & 2092 & 59 & 45 \\ % - 0.8
0.010 & 3.0 & 1434 & 32 & 33 \\ % - 16
%0.012 & 3.5 &  464 & 22 & 24 \\ %2. 50%
0.016 & 2.8 & 2141$^1$ &  207$^1$ & 257$^1$ \\ % -   1.0% eta=1.7
0.016 & 3.1 &  894$^2$ &  107$^2$ & 133$^2$ \\
\hline
\end{tabular}}
\par
\smallskip
$^1$ For a Reimers mass loss with scaling factor 1.7.  
$^2$ For a Reimers mass loss with scaling factor 4.0.
\par
\end{table}