\begin{table}%t6
\caption{Source-averaged line parameters central velocity $V_{\rm LSR}$, FWHM and
$T_{\rm R}^{*}$ determined by fitting Gaussians to the $^{12}$CO and $^{13}$CO $J=$ 2--1~source-averaged spectra.}
\label{tbl:linepars}
%\centering
\par
\begin{tabular}{lcccccc}
\hline  \hline
 & \multicolumn{3}{c}{$^{12}$CO $J=$ 2--1} & \multicolumn{3}{c}{$^{13}$CO $J=$ 2--1} \\
Source ID & $V_{\rm LSR}$  & Peak $T_{\rm R}^{*}$  & FWHM &$V_{\rm LSR}$  & Peak $T_{\rm R}^{*}$ &  FWHM \\ 
 & (km~s$^{-1}$) & (K) & (km~s$^{-1}$) & (km~s$^{-1}$) & (K) & (km~s$^{-1}$) \\
 \hline 
 \object{SFO 11 SMM1} & $-$40.0 & 16.5 & 1.6 & $-$40.0 & 5.9 & 1.2 \\
 \object{SFO 11 SMM2} & $-$40.0 & 14.0 & 1.8 & $-$39.9 & 4.6 & 1.4 \\
 \object{SFO 11 SMM3} & $-$39.8 & 9.5 & 2.0 & $-$39.7 & 3.3 & 1.6 \\
 & & & & & &  \\ 
 \object{SFO 11NE SMM1} & $-$40.1 & 9.5 & 2.5 & $-$40.0 & 5.3 & 1.8 \\
 \object{SFO 11NE SMM2} & $-$40.9 & 10.3 & 2.5 & $-$41.0 & 3.9 & 2.1 \\
& & & & & & \\
 \object{SFO 11E SMM1} & $-$35.3 & 10.1 & 2.2 & $-$35.2 & 4.9 & 1.7 \\
 \object{SFO 11E SMM2} & $-$35.3 & 17.5 & 2.2 & $-$35.3 & 5.6 & 1.7 \\
 \object{ \object{SFO 11E SMM3}} & -35.8 & 12.4 & 2.7 & $-$35.6 & 5.0 & 2.0 \\ \hline
\end{tabular}
\end{table}