Table 2: Properties of the regions, derived under their FWHM areas. $\overline {T}_{{\rm dust}}$ is the mean dust temperature, $\overline {A}_{{\rm V}}$ is the mean visual extinction, $M_{{\rm fir}}$ is the total mass derived from far-IR data, M(13CO) is the total mass derived from 13CO data of Russeil et al. (2003), $M_{{\rm vir}}$ is the virial mass, n(H2) is the mean density assuming constant density inside the regions. $E_{{\rm therm}}$, $E_{{\rm turb}}$ and $E_{{\rm pot}}$ are thermal, turbulent and potential energies. The ratio of kinetic to potential energies, $2~E_{{\rm kin}}$/ $\vert E_{{\rm pot}}\vert$, is unity in the case of virial equilibrium.
  Position FWHM $\overline {T}_{{\rm dust}}$ $\overline {A}_{{\rm V}}$ $M_{{\rm fir}}$ M(13CO) $M_{{\rm vir}}$ n(H2) $E_{{\rm therm}}$ $E_{{\rm turb}}$ $E_{{\rm pot}}$ $2~E_{{\rm kin}}$/ $\vert E_{{\rm pot}}\vert$
Region $\alpha$(2000) $\delta$(2000) size [ $\hbox{$^\prime$ }$] [K] [mag] [$M_{\odot}$] [$M_{\odot}$] [$M_{\odot}$] [103 cm-3] [1035 J] [1035 J] [1035 J]  
A1 $4^{\rm h} 34^{\rm m} 00\hbox{$.\!\!^{\rm s}$ }3$ $-14\hbox{$^\circ$ }10\hbox{$^\prime$ }12\hbox{$^{\prime\prime}$ }$ 8 16.1 2.3 0.8 - 10 0.9 0.9 1.0 -0.3 12
A2 $4^{\rm h} 34^{\rm m} 19\hbox{$.\!\!^{\rm s}$ }0$ $-14\hbox{$^\circ$ }11\hbox{$^\prime$ }43\hbox{$^{\prime\prime}$ }$ 8 16.3 2.7 0.8 - 12 0.6 0.8 1.0 -0.2 16
B $4^{\rm h} 35^{\rm m} 13\hbox{$.\!\!^{\rm s}$ }1$ $-14\hbox{$^\circ$ }15\hbox{$^\prime$ }43\hbox{$^{\prime\prime}$ }$ $9\times14$ 14.2 5.0 13 14 15 5.1 14 18 -52 1.2
C $4^{\rm h} 35^{\rm m} 41\hbox{$.\!\!^{\rm s}$ }1$ $-14\hbox{$^\circ$ }33\hbox{$^\prime$ }41\hbox{$^{\prime\prime}$ }$ $12\times21$ 16.1 1.7 2.9 3.7 33 0.3 3.0 6.7 -1.6 12
$\Sigma$(regions B + C)           15.9 17.7            


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