\begin{table}%t3
%\centering
\par
\caption{Parameters for the free-free emission model described in the text.\label{Tab:ffpar}}
\begin{tabular}{l c c c c c}
\\ \hline\hline
Model & $\ell/D$ & $\ell$ & $\nel$ & $T$ & $\tau_V$ \\
& [mas] & [pc] & [cm$^{-3}$] & [K] & \\ \hline
F & 11 & 0.75 & $8\times10^5$ & $1.3\times10^6$ & 6\\ \hline
\end{tabular}
\end{table}