\begin{table}%t2
\caption{\label{param}Parameters from the model fit.}               
\small%\centering
\par
\begin{tabular}{c c c c c c}        
\hline\hline\noalign{\smallskip}
$J(T_{{\rm f}})$ & $J(T_{{\rm r}})$ &$v_{{\rm f}}$ & $v_{{\rm r}}$ & $\tau_{0}$ & $\sigma$\\
$[{\rm K}]$ & [K] & [\kms] & [\kms] & -- & [\kms] \\
\hline                         
   24.6 & 17.5 & 0.7 & --0.3 & 2.0 & 3.4  \\
\hline                                     
\end{tabular}
\tablefoot{The parameters from the best fit obtained by adjusting the \citet{DiFrancesco2001} infalling model to our HCN($J = 4 \rightarrow 3$) \mbox{spectrum}.}
\end{table}