\begin{table}%t6
\caption{$\alpha$ Ara equatorial disk major-axis and flattening. \label{aara_flat}}
\par
%\centering
\par
\begin{tabular}{ccc}
\hline\hline
$\lambda$($\mu$m)& Major-axis (mas) & Flattening\\
\hline
2.1&$7.3\pm2$&  $2.7\pm0.9$\\
8  &$5.8\pm0.8$&$2.4\pm1.0$\\
12 &$8.2\pm1.2$&$2.6\pm1.2$\\					\hline
\end{tabular}
\end{table}