\begin{table}%t8
\caption{\label{tab8}Stellar mass estimate for the clusters with PMS.}
\par
%\centerline
 {\begin{tabular}{cccccccccccc}
\hline\hline
\noalign{\smallskip}
&&\multicolumn{4}{c}{MS}&&\multicolumn{2}{c}{PMS}&&\multicolumn{2}{c}{MS~+~PMS}\\
\cline{3-6}\cline{8-9}\cline{11-12}
Cluster&&$\Delta~m_{\rm MS}$&$\chi$&$N$&$M$   &&$N$&$M$ &&$N$&$M$\\
     && ($M_\odot$)    &      &(stars) &($M_\odot$)&&(stars)  &($M_\odot$)&&(stars) &($M_\odot$)     \\
(1)&&(2)&(3)&(4)&(5)&&(6)&(7)&&(8)&(9)\\
\hline
FSR~807&&1.90--5.25&$-1.08\pm0.10$&$8\pm3$&$25\pm10$&&$21\pm6$&$45\pm14$&&$29\pm9$&$70\pm24$\\
FSR~812&&6.75--13.0&$-0.34\pm0.15$&$9\pm3$&$83\pm30$&&$33\pm12$&$135\pm35$&&$42\pm15$&$218\pm65$\\
FSR~826&&1.30--9.75&$1.07\pm0.12$&$46\pm9$&$178\pm31$&&$69\pm9$&$172\pm43$&&$115\pm18$&$350\pm74$\\
FSR~904&&1.50--11.0&$0.26\pm0.16$&$61\pm8$&$188\pm42$&&$443\pm31$&$706\pm61$&&$504\pm39$&$894\pm103$\\
FSR~955&&0.85--13.0&$0.22\pm0.09$&$4\pm2$&$20\pm7$&&$26\pm7$&$109\pm35$&&$30\pm9$&$129\pm42$\\
\hline
\end{tabular}}
\par
\tablefoot {Column 2: MS mass range. Column~3: MS mass function slope $\chi$, derived from the fit of $\phi(m)\propto{m}^{-(1+\chi)}$. Columns~4--7: stellar content of the MS and PMS stars. Columns~8--9: total (MS+PMS) stellar content.}
\end{table}