\begin{table}%t4
%\centering
\par
\renewcommand{\footnoterule}{}
\caption{Effects of the free parameters of the model on the SED and spatial distribution of the 20.5 $\mu$m emission in the CAMIRAS image.}\label{influence_para}
\small
\begin{tabular}{lll}
 \hline\hline
 Parameter & Influence on SED & Spatial distribution at 20.5 $\mu$m  \\
 \hline
 \noalign{\smallskip}
 $\Sigma_{0}$ & Influence on the total flux in the mid-IR   & No influence    \\
              & and more strongly for $\lambda \ge$ 60 $\mu$m &            \\
   %            &                                       &                \\
 $p$           & No influence in the mid-IR      & Little influence       \\ 
   %            &                                       &                \\
 $H_{p}^{\rm in}/R_{\rm in}$ & Modifies contrast mid-/near-IR & No influence     \\
                      & (structure inner rim/shadow) & (inner rim + shadow in the first pixel) \\
%		                  &                                       &                \\  
$q$             &  Modifies the whole shape of the SED & Large influence    \\
   %           &                                       &                \\
  $H_{p}^{\rm out}/R_{\rm out}$ & Modifies flux in the mid- and far-IR & Little influence \\
   %             &                                       &                \\
  $R_{\rm out}$   & Modifies far-IR emission &  Large influence    \\
  \hline
    \end{tabular}
\par
\end{table}