\begin{table}%t6
\caption{\label{envelopes}Envelope modeling results.}  
%\centerline
 {\small \begin{tabular}{llllllll}
\hline\hline 
Name & Dust mass & Inner radius & Outer radius & Density & Inner temperature & Geometry & Inclination \\
 & ($M_\odot$) & (AU) & (AU) & slope & (K) & & (degrees) \\
\hline 
MWC~137 & 0.005 & 5000.0 & 11~700.0 & --1.0 & 61 & Sphere &  \\
R~Mon & 0.008 & 700.0 & 12~000.0 & --1.4 & 62 & Toroid$^1$ & 70.0 \\
MWC~1080 & 0.025 & 6000.0 & 12~000.0 & --1.0 & 44 & Toroid & 80.0 \\
Z~CMa & 0.05 & 2000.0 & 5000.0 & --0.6 & 42 & Toroid$^1$ & 30.0  \\
LKH$\alpha$~215 & 0.0015 & 3500.0 & 7200.0 & 0.0 & 57 & Sphere &  \\
 \hline
\end{tabular}}
\medskip
$^1$ The dust temperature in the envelope is assumed to be described by a power law, $T(r) = T_{\rm in} (r/r_{\rm in})^{-0.5}$. See Sects.~4 and~5 for a more detailed discussion.
\end{table}