\begin{table}%t1
%\centering
\par
\caption{\label{table:1}Sample of models.}
\begin{tabular}{l c c}
\hline\hline\noalign{\smallskip}
model & $\Mdot_{\rm AGB}$ ($\Moy$)  & $\Omega$ \\
\hline\noalign{\smallskip}
80-a     &     $0.60 \times 10^{-5}$  &      0.80 \\
80-b     &     $0.50 \times 10^{-5}$  &      0.80 \\
50-a     &     $0.40 \times 10^{-5}$  &      0.50 \\
50-b     &     $0.38 \times 10^{-5}$  &      0.50 \\
\hline
\end{tabular}
\vspace*{4mm}
\end{table}