\begin{table}%t2
%\centering
\par
\caption{\label{disk_parameters}Disk parameters for the modeling.}
\par
\begin{tabular}{llcc}
\hline\hline \noalign{\smallskip}   
\multicolumn{4}{c}{Fixed parameters}\\
\noalign{\smallskip}   
& & Inner cavity & Outer ring\\
Stellar mass & $M_*$($M_\odot$) &  \multicolumn{2}{c}{0.6} \\ 
Stellar luminosity &$L_*$($L_\odot$)  &  \multicolumn{2}{c}{0.23} \\ 
Effective temperature & $T_{{\rm eff}}$(K) & \multicolumn{2}{c}{4000}\\
Solid material mass density & $\rho_{{\rm dust}}$(g~cm$^{-3}$) & \multicolumn{2}{c}{3.5} \\
Inner radius                      & $R_{{\rm in}}$(AU) & 0.25 & 4 \\
Outer radius                      & $R_{{\rm out}}$(AU) & 4 & 196\\
ISM UV field   & $\chi$          &  \multicolumn{2}{c}{1.0}\\
$\alpha$ viscosity parameter      & $\alpha$           & \multicolumn{2}{c}{0.0}\\
                  Turbulent velocity & $v_{{\rm turb}}$(km s$^{-1}$) & \multicolumn{2}{c}{0.05}\\
                  Disk inclination & $i$ & \multicolumn{2}{c}{7}\\
             CO isotopologue ratio & [$^{12}$CO]/[$^{13}$CO] & \multicolumn{2}{c}{69}\\
\noalign{\smallskip}   
                  \hline
\noalign{\smallskip}   
                  \multicolumn{4}{c}{{\it MCFOST} best fit parameters}\\
\noalign{\smallskip}   
Column density index  & $\epsilon$ & \multicolumn{2}{c}{1} \\
Reference scale height            & $H_0$(AU)           & 2.0 & 10.0\\
Reference radius                  &                    & 100 & 100\\
Flaring index                     & $\gamma$            & 0.6   & 1.12\\
Minimum grain size       & $a_{{\rm min}}$($\mu$m) & \multicolumn{2}{c}{$3 \times 10^{-2}$}\\
Maximum grain size       & $a_{{\rm max}}$(cm) & \multicolumn{2}{c}{10}\\
                  Dust size distribution index  & $p$               & \multicolumn{2}{c}{3.4}\\
                  Dust mass ($a<1$~mm) & $M_{{\rm dust}}$($M_{\odot}$) & $1.2 \times 10^{-9}$ & $1.9 \times 10^{-4}$\\
                  Solid mass           &$M_{{\rm solid}}$($M_{\odot}$) & $2.0 \times 10^{-8}$  & $3.0 \times 10^{-3}$\\
\noalign{\smallskip}   
                  \hline
 \noalign{\smallskip}   
                  \multicolumn{4}{c}{{\it ProDiMo} parameter range}\\
\noalign{\smallskip}
Disk gas mass                     & $M_{\rm gas}$($M_{\odot}$) &  \multicolumn{2}{c}{$3 \times 10^{-4}$--0.3}\\
                  UV excess                         & $F_{{\rm UV}}$ & \multicolumn{2}{c}{0.018}\\
                  Fraction of PAHs w.r.t. ISM  & $f_{\rm PAH}$      & \multicolumn{2}{c}{0.01, 0.1}\\
                  Cosmic ray flux                  & $\zeta$(s$^{-1}$)           & \multicolumn{2}{c}{(1.7--17) $\times$ 10$^{-17}$}\\
                  \hline
                \end{tabular}
\vspace*{4mm}
\end{table}