\begin{table}%t2
\caption{Parameters of the disk structure relative to
  the best fit models for the continuum and the CO~emissions as
  described in Sect.~\ref{sec:res}. For each parameter uncertainties
  are given at 1$\sigma$~level.}\label{tab:res} 
\small%\centerline
{
\begin{tabular}{lllll}
\hline \hline
%&&&& \\[-8pt]
Parameters & Continuum &  $^{12}$CO $J$ = 2--1 & $^{12}$CO $J$ = 3--2 & $^{13}$CO
$J$ = 1--0 \\
\hline
%&&&& \\[-8pt]
$M_{\star}$ (\Msun) & 2.6$^a$ & $2.6^{+0.3}_{-0.5}$ &
2.4 $\pm$ 0.8 & 2.6 $\pm$ 0.6 \\ 
 PA  & 120\grad $\pm$ 20\grad &  128\grad $\pm$ 5\grad
& 130\grad $\pm$ 13\grad &130\grad $\pm$ 8\grad \\ 
 $Incl$ & 40\grad $\pm$ 12\grad  &  45\grad $\pm$ 5\grad
& 45\grad $\pm$ 10\grad & 50\grad $\pm$ 8\grad \\  
 $R_{\rm out}$ (AU) & 200 $\pm$ 15 &  550 $\pm$ 50 &
550 $\pm$ 100 & 500 $\pm$ 80 \\  
 $\Sigma_{10~{\rm AU}}$ (g/cm$^2$) & 46 $\pm$ 4 &  90 $\pm$ 70
& 90$^a$ & $\rm 4^{+12}_{-3}$ \\ 
 $p$ & 0.8 $\pm$ 0.1 & $\rm 0.6^{+0.3}_{-0.1}$ & 0.6$^a$ &
1.0 $\pm$ 0.5 \\ 
$T_{\rm CO,100~AU}$ (K) &   & $\rm 40^{+2}_{-5}$ & 60 $\pm$
20 & $30\pm10 $ \\
$q$ & &  $\rm 0.5^{+0.2}_{-0.1}$ & 0.8 $\pm$ 0.4 & 0.8 $\pm$ 0.4  \\
$\beta$ & 1.0  $\pm$ 0.1 & 1.0$^a$ & 1.0$^a$ & 1.0$^a$ \\
$\chi^2_r $ & 2.6 &  1.17 & 1.05 & 1.15 \\
\hline
\end{tabular}}
\medskip
\hspace*{4cm}$^{a}$ Fixed parameter.
\end{table}