\begin{table}%T4
%\centering
\par
\caption{Best model parameters for the alpha~Ara circumstellar
environment obtained by fitting the visibilities and the 2003
Pa$\beta$ line profile with SIMECA.\label{results}}
\begin{tabular}{lcc} 
\hline\hline
Parameter/result    & Value & Uncertainty\\
\hline Distance & 105~pc & 10~pc\\
Inclination angle $i$ & 45 & 5\\
%\hline
Photospheric density ($\rho_{\rm phot}$)&\(1.2\times 10 ^{-12} \)~g~cm\( ^{-3} \) & linked to C1\\
%\hline
Photospheric expansion velocity& 0.07 km s\( ^{-1} \) & 0.01 \\
%\hline
Equatorial rotation velocity & 300 km s\( ^{-1} \) & 20 \\
%\hline
Equatorial terminal velocity & 170 km s\( ^{-1} \) & 20 \\
%\hline
Polar terminal velocity & 2000 km s\( ^{-1} \) & 500 \\
%\hline
Polar mass flux & \(1.7 \times10 ^{-9} ~M_{\odot } \) year\( ^{-1} \) sr\( ^{-1} \) & \(0.5 \times10 ^{-9} \)\\
%\hline
$m1$ & 0.3 & 0.1\\
%\hline
$m2$ & 0.45 & 0.05\\
%\hline
$C1$ & 30 & linked to $\rho_{\rm phot}$\\
%\hline
Mass of the disk & \(2.3\times 10 ^{-10} ~M_{\odot } \) & -- \\
%\hline
Mass loss & \(6.0\times 10 ^{-7} ~M_{\odot } \) year\( ^{-1} \) & --\\
\hline
\end{tabular}
\end{table}