\begin{table}%t1 \par \caption {\label{tbl-1}Properties of EHV peaks from 2D Gaussian fits.} $$ \begin{array}{ccccc} \hline\hline \noalign{\smallskip} \mbox{Name} & \mbox{Position$^{1}$} & \mbox{$I$[CO(2--1)]$^{2}$} & \mbox{$I$[SiO(2--1)]$^{2}$} & \mbox{$M^{3}$} \\ & (\arcsec, \arcsec) & \mbox{(K km s$^{-1})$} & \mbox{(K~km~s$^{-1})$} & \mbox{($10^{-5}$ $M_\odot$)} \\ \noalign{\smallskip} \hline \noalign{\smallskip} \mbox{R1} & (-2.3, -3.2) & 11.7 & 7.2 & 2.2 \\ \mbox{R2} & (-5.0, -7.6) & 20.4 & 11.9 & 4.2 \\ \mbox{R3} & (-7.5, -14.1) & 12.9 & 6.9 & 5.1 \\ \mbox{R4} & (-11.9, -21.3) & 9.6 & 2.4 & 2.4 \\ \mbox{R5} & (-18.4, -33.1) & 4.8 & 1.5 & 3.4 \\ \mbox{R6} & (-28.8, -48.9) & 7.5 & 2.0 & 5.9 \\ \mbox{R7} & (-43.8, -73.0) & 8.1 & 1.3 & 7.4 \\ \mbox{B2} & (6.0, 9.7) & 19.2 & 18.9 & 5.9 \\ \mbox{B3} & (8.3, 13.8) & 17.1 & 20.3 & 2.3 \\ \mbox{B4} & (11.2, 19.8) & 15.3 & 13.1 & 3.1 \\ \mbox{B5} & (18.8, 33.1) & 10.2 & 9.0 & 6.0 \\ \mbox{B6} & (26.5, 46.5) & 9.0 & 2.0 & 8.8 \\ \mbox{B7} & (42.2, 71.5) & 7.2 & 5.4 & 8.0 \\ \hline \end{array} $$ \par \smallskip Notes: 1 -- Offsets with respect to the mm-continuum peak at $\alpha(J2000)=4^{\rm h}19^{\rm m}42\fs5,$ $\delta(J2000)=+27^\circ13'36\arcsec$; 2 -- peak intensity from 2D Gaussian fit; 3 -- see text for assumptions. \end{table}