\begin{table}%t2
\caption{\label{tab2}Properties of embedded clusters containing more than 200 observed stars.}
%\centerline
 {\begin{tabular}{r*{4}{c}}
\hline\hline
Identification & distances&  $M_{\rm c}$   & Size  & log~($\rho_{\rm c}$)  \\[0.5ex]
               & [pc]     & [\Msun] & [pc]  & [\Msun~pc$^{-3}$] \\[0.5ex]
\hline\\[-2ex]
02232 + 6138$^1$   & 2.4  & 130   & 0.91 & 2.23  \\[0.5ex]
02575 + 6017$^1$   & 2.4  & 150   & 1    & 2.17  \\[0.5ex]
IC 348$^1$         & 0.32 & 160   & 1    & 2.20  \\[0.5ex]
ONC $^1$           & 0.45 & 1100  & 3.8  & 1.30  \\[0.5ex]
NGC 2024  $^1$     & 0.4  & 180   & 0.88 & 2.42  \\[0.5ex]
MonR2  $^1$        & 0.8  & 340   & 1.85 & 1.72  \\[0.5ex]  
\hline
\end{tabular}}
\par
\smallskip
$^1$ \citet{lada:03}, and references therein.
\end{table}