\begin{table}%t4
%\centering
\par
\caption{\label{param_cont}Physical parameters of the sources identified in the APEX 870~$\mu$m continuum emission.} 
\smallskip  \begin{tabular}{l c c c r r r r r r r} 
\hline\hline \noalign{\smallskip} 
Source & \multicolumn{2}{c}{Peak Position} &  $\Theta_{\rm C}$\tablefootmark{a} &  $F_{\rm peak}$ & $v_{^{13}{\rm CO}}$ & Flux & Counterpart & $d_{\rm FAR}$ & $d_{\rm NEAR}$ & $M_{\rm cont}$\tablefootmark{b}\\ 
&     RA[J2000.0] & Dec[J2000.0] &      (arcsec)  &  (Jy/beam)  & (km~s$^{-1}$) & (Jy) &&(kpc) & (kpc) & ($\times $$10^2~M_{\odot}$) \\
(1)&(2)&(3)&(4)&(5)&(6)&(7)&(8)&(9)&(10)&(11)\\
\hline
C1  &  18:27:38.05 &  --11:56:38.3 &  15.2 &  16.3  &  42.9    &  14.1     &    co1      &       12.6      &        3.4   & 203.4  \\ 
C2  &  18:27:43.88 &  --11:57:07.9 &  36.9 &   1.4  &  42.8    &   3.6	  &    co2      &       12.6      &        3.4   & 52.5   \\   
C3  &  18:27:55.43 &  --11:52:39.7 &  30.6 &   1.6  &  41.0    &   2.9	  &    co3      &       12.6      &        3.4   & 42.1   \\   
C4  &  18:27:50.42 &  --11:51:45.7 &  38.1 &   0.7  &  41.0    &   1.7	  &    co3      &       12.6      &        3.4   & 23.8   \\   
C5  &  18:28:23.88 &  --11:47:36.8 &  24.7 &   0.9  &  44.7    &   1.2	  &    co5      &       12.6      &        3.4   & 17.1   \\   
C6  &  18:27:16.91 &  --12:02:06.3 &  32.8 &   0.5  &  38.7    &   1.1	  &    co6      &       12.6      &        3.4   & 15.2   \\   
C7  &  18:27:17.36 &  --11:53:53.7 &  21.6 &   2.2  &  59.0    &   2.5	  &    co7      &       11.7      &        4.3   & 31.5   \\   
C8  &  18:27:14.08 &  --11:53:23.5 &  20.5 &   0.8  &  57.7    &   0.9	  &    --        &       11.7      &        4.3   & 11.1   \\      
C9  &  18:27:05.36 &  --11:54:54.3 &  29.0 &   0.4  &  62.5    &   0.8	  &    --        &       11.6      &        4.4   & 9.5    \\       
C10 &  18:27:31.77 &  --11:45:59.5 &  20.5 &   1.5  &  57.7    &   1.7	  &    co10     &       11.7      &        4.3   & 21.2   \\ 
C11 &  18:27:25.62 &  --11:46:59.9 &  22.7 &   0.9  &  59.8    &   1.1	  &    co11     &       11.7      &        4.3   & 13.5   \\ 
C12 &  18:27:23.58 &  --11:49:31.7 &  45.4 &   0.5  &  58.2    &   1.9	  &    co12     &       11.7      &        4.3   & 24.1   \\ 
C13 &  18:27:25.13 &  --11:53:29.9 &  25.6 &   0.4  &  57.6    &   0.6     &    co13     &       11.7      &        4.3   & 7.3    \\   
C14 &  18:28:19.32 &  --11:40:37.2 &  27.4 &   2.4  &  65.4    &   3.8     &    co14     &       11.3      &        4.7   & 7.6    \\   
\hline
\end{tabular}
\tablefoot{Column~(1): Sources; Cols.~(2)--(3): peak positions of the emission; Col.~(4): deconvolved angular diameters of the sources; Col.~(5): Peak flux densities of the sources; Col.~(6): velocity of the sources from the association with the FCRAO $^{13}$CO(1--0) emission; Col.~(7): integrated emission from the $FWHM$ contour of the sources; Col.~(8): FCRAO $^{13}$CO(1--0) counterpart; Col.~(9): far distance of the source from the $^{13}$CO(1--0) emission (see Table~\ref{param_nubi}); Col.~(10): near distance of the source from the $^{13}$CO(1--0) emission (see Table~\ref{param_nubi}); Col.~(11): mass from the continuum emission of the sources, assuming $T=20$~K. 
\tablefoottext{a}{deconvolved;} 
\tablefoottext{b}{all the sources are assumed to be at the far kinematic distances, except C14 (see text).}}\vspace*{2mm}
\end{table}