\begin{table}%t5
\caption{Average properties of NH$_3$ cores.\label{tab5}} 
%\centerline
{
\begin{tabular}{lrrrrccl}
\hline\hline
Name & $d$ (pc) & $T_k$ (K) & $\Delta V$(1,~1) (km~s$^{-1}$) &
$\Delta V$(2,~2)  (km~s$^{-1}$) & $M$ ($M_{\odot}$) & $D$ (pc) &
$L_{\rm bol}$ ($L_{\odot}$)\\
\hline
Total &1.55~$\pm$~0.80& 19.0~$\pm$~4.6&1.54~$\pm$~0.50& 1.73~$\pm$~0.45 & 1500~$\pm$~1600&3580~$\pm$~1720 & 25900~$\pm$~27300 \\
Group I&1.61~$\pm$~0.76& 19.7~$\pm$~4.7&1.65~$\pm$~0.47& 1.75~$\pm$~0.50 & 1800~$\pm$~1900&4000~$\pm$~1900 & 29000~$\pm$~28000\\
Group II&1.66~$\pm$~0.72& 17.7~$\pm$~3.9&1.50~$\pm$~0.38& 1.67~$\pm$~0.11 & 940~$\pm$~380&3200~$\pm$~830 &(24000~$\pm$~25000)$^3$ \\
Cepheus (far)$^1$&0.96~$\pm$~0.38& 20.4~$\pm$~3.7&1.5~$\pm$~0.4&    & 590~$\pm$~910&3500 & 25000~$\pm$~30000\\
Taurus$^2$&0.10~$\pm$~0.04& 10.0~$\pm$~2.1&0.30~$\pm$~0.07&   & 9~$\pm$~11&140  & 1.1~$\pm$~1.4\\
\hline
\end{tabular}}
\par
\smallskip
 Note: 
1. Harju et~al. (\cite{Harju93}); 
2. Benson \& Myers (\cite{Benson89}), data taken from ref. 1
directly; 
3. The value in parentheses is the luminosity
\par
of the IRAS sources for the group II.
\par
\end{table}