\begin{table}%Ta1
\par
%\centering
\par
    \caption{L1448-N best fit parameters from the DUSTY modelling and derived
      physical parameters.}
    \label{table_result_model_l1448n}
    \begin{tabular}{l l}
      \hline
      \hline
      \multicolumn{2}{c}{DUSTY parameters}\\
      \hline
      $Y$ & 1100\\
      $\alpha$ & 1.2\\
      $\tau_{100}$ & 0.8\\
      \hline
      \multicolumn{2}{c}{Derived physical parameters}\\
      \hline
      $R_i$ & 10 AU\\
      $R_{\rm 10~K}$ & 7000 AU\\
      $n_{R_i}$ & 4.9 $\times$ 10$^8$ cm$^{-3}$\\
      $n_{\rm 10~K}$ & 1.1 $\times$ 10$^5$ cm$^{-3}$\\
      $M_{\rm 10~K}$ & 2.5 $M_{\sun}$\\
      \hline
    \end{tabular}
 \end{table}