\begin{table}%t12 \caption{\label{mass}Physical parameters of IRAS~00213$+$6530.} \small%\centerline { \begin{tabular}{lcccc} \hline\hline\noalign{\smallskip} & Mass$^{a}$ &$\Delta v^{b}$ &$\theta~^{c}$ &$M_{{\rm vir}}^{d}$ \\ Region & (\mo) &(\kms) & (arcsec) &(\mo)\\ \hline MM1 &\phb3.5 &0.85 &\phn7& 1.3\\ Southern cloud &$<$0.3 &0.65 &\phn6& 0.7\\ MM2 &\phb1.1 &0.75 &11& 1.6\\ \hline \end{tabular}} \medskip $^a$ Estimated as $M=\mu_{{\rm H_2}}m_{{\rm H}}\sum N({\rm H_{2}})\Delta A$, where $N({\rm H}_{2})$ is taken from the \hh\ column density map, $\Delta A$ is the pixel area, and a mean molecular mass per \hh\ molecule $\mu_{{\rm H_2}}=2.8$, which corresponds to a 10\% helium abundance. $^b$ Intrinsic line width of the magnetic hyperfine components. $^c$ Deconvolved geometrical mean size of the major and minor axes of the source, obtained from a 2D Gaussian fit. $^d$ Estimated for a density distribution $n\propto$~$r^{-2}$. \end{table}