\begin{table}%t3
%\centering
\par
\caption{\label{5:table:prop}Results from radiative transfer modelling for envelope \mbox{properties}.}
\small
\begin{tabular}{l l l l}
\hline \hline
\multicolumn{2}{c}{Best fit} & \multicolumn{2}{c}{Envelope Properties} \\ \hline
{\it Y} & 700 & $R_{\rm{inner}}$(250~K) & 30 AU\\
$p$ &  1.8 & $R$(30~K) & 533 AU\\
$\tau_{100}$ & 2.6 &$R$($n_{\rm{de}}$) & 6100 AU \\
& &  $R_{\rm{outer}}$ & 20~800 AU\\ 
 & & $n$(1000 AU) & $2.5\times10^{6}$ cm$^{-3}$\\
%& & $n_{\rm{DE}}$ & 1$\times10^{5}$ cm$^{-3}$ \\
& &  $M_{\rm{env}}$ ($>$10~K) & 5.1 $M_{\odot}$\\ \hline
\end{tabular}
\end{table}