\begin{table}%t3 \caption{\label{tab_param}Physical parameters of the SMA CO($J=2{-}1$) molecular clouds identified with Clumpfind.} \par \small%\centerline { \begin{tabular}{cccccccccccc} \hline \hline $N$ & \multicolumn{2}{c}{Peak position} &$V_{\rm peak}$ &$S_{\rm peak}$ &Radius$^a$ &$\Delta{V}_{1/2}^a$ &$S_{{\rm CO}(J=2{-}1)}$ &$M_{\rm VIR}$ &$M_{\rm mol}$ & $\Sigma_{\rm VIR}$ & $\Sigma_{\rm mol}$\\ ~&RA[J2000]&Dec[J2000]&[km~s$^{-1}$] &[Jy/beam] &[arcsec]& [km~s$^{-1}$]& [Jy~km~s$^{-1}$]& [$\times 10^6~M_{\odot}$]& [$\times 10^6~M_{\odot}$]& [g/cm$^{2}$] & [g/cm$^{2}$]\\ (1)&(2)&(3)&(4)&(5)&(6)&(7)&(8)&(9)&(10)&(11)&(12)\\ \hline 1 & 8:36:15.53 & --26:24:37.4 & 840 & 0.48 & 1.3 & 18 & 10.7 & 3.6 & 3.9 & 0.08 & 0.09 \\ 2 & 8:36:15.54 & --26:24:35.4 & 835 & 0.47 & 1.2 & 25 & 13.4 & 6.9 & 4.9 & 0.16 & 0.11 \\ 3 & 8:36:15.30 & --26:24:31.2 & 835 & 0.46 & 1.2 & 18 & 7.9 & 3.3 & 2.9 & 0.09 & 0.08 \\ 4 & 8:36:15.52 & --26:24:37.0 & 850 & 0.46 & 0.8 & 19 & 7.5 & 2.9 & 2.7 & 0.14 & 0.14 \\ 5 & 8:36:15.24 & --26:24:32.4 & 850 & 0.43 & 1.2 & 25 & 12.7 & 7.1 & 4.6 & 0.17 & 0.11 \\ 6 & 8:36:15.31 & --26:24:35.0 & 855 & 0.42 & 1.0 & 20 & 8.3 & 3.9 & 3.0 & 0.13 & 0.10 \\ 7 & 8:36:15.14 & --26:24:37.6 & 845 & 0.42 & 1.2 & 13 & 8.1 & 1.9 & 3.0 & 0.05 & 0.07 \\ 8 & 8:36:15.43 & --26:24:36.2 & 825 & 0.33 & 0.8 & 20 & 5.0 & 3.0 & 1.8 & 0.16 & 0.09 \\ 9 & 8:36:15.38 & --26:24:36.6 & 845 & 0.32 & 1.2 & 26 & 8.1 & 7.4 & 3.0 & 0.19 & 0.07 \\ 10 & 8:36:15.10 & --26:24:34.4 & 865 & 0.31 & 1.1 & 20 & 4.1 & 4.0 & 1.5 & 0.12 & 0.05 \\ 11 & 8:36:15.54 & --26:24:37.0 & 820 & 0.29 & 1.0 & 15 & 5.0 & 2.1 & 1.8 & 0.08 & 0.06 \\ 12 & 8:36:15.03 & --26:24:33.4 & 895 & 0.29 & 1.0 & 19 & 5.2 & 3.1 & 1.9 & 0.11 & 0.07 \\ 13 & 8:36:15.09 & --26:24:34.0 & 875 & 0.28 & 0.9 & 19 & 5.0 & 3.1 & 1.8 & 0.12 & 0.07 \\ 14 & 8:36:15.19 & --26:24:37.6 & 825 & 0.28 & 1.2 & 24 & 5.3 & 6.5 & 1.9 & 0.16 & 0.05 \\ \hline \end{tabular}} \medskip Notes. Column~(1): number of the cloud. Columns~(2),~(3): peak position of the emission. Column~(4): peak velocity of the emission. Column~(5): peak flux density of the emission. Column~(6): deconvolved radius (at 5$\sigma$~contour level) of the cloud. Column~(7): deconvolved FWHP line width. Column~(8): integrated flux. Column~(9): virial mass. Column~(10): molecular gas mass from SMA~CO($J=2{-}1$). Column~(11): surface density of the clouds, computed from the virial masses (Col.~9). Column~(12): surface density of the clouds, computed from the molecular gas masses (Col.~10). \\ $^a$ Deconvolved. \end{table}