\begin{table}%t3
\par
\caption{\label{tab_anfit}Results of the canonical analytical modeling of the cluster, for the
two metallicities $Z=0.004$ and $Z=0.008$. Single values correspond to the best
fits. Parenthesized ranges correspond to the\protect approximate 3$\sigma$ ranges.}
%\centering
\par
\begin{tabular}{cccc}
\hline\hline
& $Z=0.004$ & Observed & $Z=0.008$ \\
\hline
$W({\rm H}\beta)$ ({\AA}) & 204 & $330\pm30$ & 247 \\
${\mathcal N}({\rm WN})$ & 0.17 &~$\geq$1 & 0.03 \\
Reduced~$\chi^2$ & 10 & & 7 \\
\hline
$\tau$ (Myr) & 3.5 (3.4--3.6) & & 2.8 (2.8--3.0) \\
$\alpha$ & 2.35 (2--3.1)& & 2.35 (2--3) \\
$m_{\rm up}$ ($M_{\odot}$) & 110 ($\geq$90) & & 120 ($\geq$110) \\
\hline
$M_{\rm tot}$ ($M_{\odot}$) & ($\approx$3000) & & ($\approx$3000) \\
${\mathcal N}({\rm O})$ & ($\approx$10) & & ($\approx$12)\\
\hline
\end{tabular}
\end{table}