\begin{table}%t1
\caption{The parameters for \object{IRAS2} from
\citetalias{jorgensen02}.\label{paper1params}}
%\centerline
{\begin{tabular}{ll}
\hline\hline
Distance, $d$                        & 220~pc \\
$L_{\rm bol}$                        & 16~$L_\odot$ \\
$T_{\rm bol}$                        & 50~K \\ \hline
\multicolumn{2}{l}{Envelope parameters:} \\ \hline
Inner radius ($T=250$~K), $R_{\rm i}$      & 23.4 AU       \\
Outer radius, $R_{\rm 10 K}$$^{a}$ & $1.2\times 10^{4}$ AU \\
Density at 1000~AU, $n$(H$_{2}$)        & $1.5\times 10^{6}$ cm$^{-3}$ \\
Slope of density distribution, $p$   & 1.8           \\
Mass, $M_{\rm 10 K}$$^{a}$         & 1.7 $M_\odot$ \\
CO abundance, [CO/H$_{2}$]              & $2.6\times 10^{-5}$   \\\hline
\end{tabular}}
\par
\smallskip
$^{a}$The outer boundary is not well constrained, but taken
to be the point where the temperature in the envelope has dropped to
10~K. The mass refers to the envelope mass within this radius.
\end{table}