\begin{table}%t1 
\caption{Some properties of the initial model: total mass~$M$, stellar population, metal content~$Z$, mass~$M_{\rm He}$ and radius~$R_{\rm He}$ of the helium core ($X(^{4}{\rm He}) > 0.98$), nuclear energy production in the helium core~$L_{\rm He}$, maximum temperature of the star~$T_{\rm max}$, and radius~$r_{\rm max}$ and density~$\rho_{\rm max}$ at the temperature
maximum.}\label{imodtab}
%\centering
\small
\begin{tabular}{l|lllllllll}
\hline \hline 
Model & $M$           & Pop.       & $Z$         & $M_{\rm He}$     & $R_{\rm He}$ 
      & $L_{\rm He}$      & $T_{\rm max}$  & $r_{\rm max}$   & $\rho_{\rm max}$ \\ 
      & $[\Msun]$     &            &             & $[\Msun]$    & $[10^9\cm]$ 
      & $[10^9~\Lsun]$ & $[10^8\K]$ & $[10^8\cm]$ & $[$$10^5$\gcm$]$ \\
\hline 
M  & $1.25$ & I      & $0.02$ & $0.47$ & $1.91$ & $1.03$ 
   & $1.70$ & $4.71$ & $3.44$ \\
\hline
\end{tabular} 
\end{table}