\begin{table}%t3
\caption{\label{tab:4}Line intensities and CO~luminosities integrated
over the entire linewidth of the full $\Delta v=370$~km~s$^{-1}$ 
and the extent of the combined PdBI+30~m map after correcting corrected for primary beam
response (typical errors are of the order of 20\%).}
\small
%\centering
\par
\begin{tabular}{lcc}
\hline
\hline
Line  & $I_{\rm CO}$ & $L_{\rm CO}$   \\
      & Jy~km$^{-1}$  & K~km$^{-1}$~pc$^{2}$           \\
\hline 
$^{12}$CO(1$-$0) &    &   \\
PdBI           & $223\pm 9$   & $6.43\times10^8$  \\
PdBI + 30~m     & $485\pm15$  & $13.5\times10^8$  \\
$^{12}$CO(2$-$1) &    &   \\
PdBI           & $360\pm11$   & $2.49\times 10^8$  \\
PdBI + 30~m     & $540\pm17$   & $3.69\times10^8$  \\
\hline
\end{tabular}
\end{table}