\begin{table}%t10
\caption{Values of the pressurised virial mass $M_{{\rm pv}}$, 
the standard unpressurised virial mass~$M_{\rm vir}$ and the H$_{2}$~mass derived from the sub-mm continuum measurements $M_{{\rm submm}}$  for each of the SMM1 cores.}\label{tbl:pvm}
%\centering
\par
\begin{tabular}{lccc}
\hline  \hline
Core & $M_{{\rm pv}}$ & $M_{\rm vir}$ & $M_{\rm submm}$ \\
 & ($M_{\odot}$)  & ($M_{\odot}$)  & ($M_{\odot}$) \\
\hline
 \object{SFO 11 SMM1} & 10.4 & 42.3 & 20.6 \\
 \object{SFO 11NE SMM1} & 45.4 & 81.6 & 13.4 \\
 \object{SFO 11E SMM1} & 31.2 & 85.0 & 18.7 \\ \hline
\end{tabular}
\end{table}