\begin{table}%t9
\caption{Logarithmic \ha\ luminosity, emission measure, rms electron density, filling factor, virial
  mass, total mass of the \hii~region from the \ha~emission, mass of the stellar content in the
  \hii~region and the fraction of the mass of the region that represents the virial mass for the \hii~regions located on the envelope of Fig.~\ref{Lsigmacorte} (without taking non-virial contamination into account, see text).}\label{Tabmassenv}
%\centering
\par
\begin{tabular}{ccccccccc}
\hline
\hline
Region & log~$L_{\scriptsize\ha}$ & $EM$ & $\langle N_{\rm e} \rangle_{{\rm rms}}$ & $\phi$ & $M_{\rm vir}$ &
$M_{\rm reg}$ & $M_{\rm stellar}$ & $M_{\rm vir}$/$M_{\rm reg}$ \\ 
       &(\ergs) & (pc~\cmseis) & (\cmtres) & ($10^{-4}$) & ($10^{6}~\Msun$) &
       ($10^{6}~\Msun$) & ($10^{4}~\Msun$) & \\
\hline
13(N3359)  &   39.07 &   4500 & 3.24 &  5.8   &  6.9  &  2.6 & 2.3  & 2.63 \\
9(N3359)   &   39.12 &   7400 & 4.59 &  0.12  &  6.5  &  2.9 & 2.5  & 2.24 \\
5(N3359)   &   39.29 &   5800 & 3.48 &  6.6   &  13.6 &  4.3 & 3.8  & 3.13 \\
16(N1530)  &   39.30 &  10000 & 5.23 &  0.20  &  14.7 &  4.4 & 3.9  & 3.32 \\
8(N1530)   &   39.45 &   6400 & 3.42 &  6.4   &  23.2 &  6.2 & 5.4  & 3.75 \\
1(N3359)   &   39.57 &   6000 & 3.04 &  5.1   &  29.8 &  8.3 & 7.2  & 3.60 \\
5(N1530)   &   39.64 &  14500 & 5.67 &  0.20  &  9.5  &  9.6 & 8.4  & 0.99 \\
2(N1530)   &   39.71 &  10000 & 4.13 &  9.3   &  41.7 & 11.4 & 10.0 & 3.66 \\
1(N1530)   &   40.01 &  15000 & 4.66 &  0.11  &  55.3 & 22.7 & 19.8 & 2.44 \\
\hline
\end{tabular}
\end{table}