\begin{table}%t2
%\begin{center}
\par
\caption{\label{tabsum} Main properties of the envelope models.}
\par
\begin{tabular}{ c c c c c c c c }
\hline \hline
\noalign{\smallskip}
Model & $M_{\rm c}$ & $L^{\rm plateau}$ & $kT^{\rm max}_{\rm eff}$ & $T_{\rm eff}^{\rm max}$ &
$M^{\rm max}_{\rm env}$ & $M^{\rm min}_{\rm env}$ & $\Delta$ $t^{(a)}_{10~ \rm eV}$ \\
 & ($M_{\odot})$ & ($10^{4}$~$L_{\odot}$) & (eV) & ($10^{5}$~K ) & ($10^{-6}$~$M_{\odot}$) &
($10^{-6}$~$M_{\odot}$) & (days)\\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
\multicolumn{1}{c}{}&0.9&3.9&57&6.6&2.3&1.9&47\\
\multicolumn{1}{c}{ONe75}&1.0&4.4&64&7.4&1.4&1.2&24\\
\multicolumn{1}{c}{($X=0.18$)}&1.1&5.2&73&8.5&0.84&0.71&12\\
\multicolumn{1}{c}{}&1.2&5.7&86&9.9&0.40&0.35&4.6\\
\multicolumn{1}{c}{}&1.3&6.2&103&11.9&0.16&0.15&1.1\\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
\multicolumn{1}{c}{}&0.9&3.5&53&6.1&2.7&1.5&160\\
\multicolumn{1}{c}{ONe50}&1.0&4.1&60&7.0&1.7&1.2&78\\
\multicolumn{1}{c}{($X=0.35$)}&1.1&4.7&69&8.0& 0.99&0.72&37\\
\multicolumn{1}{c}{}&1.2&5.2&81&9.4&0.45&0.35&14\\
\multicolumn{1}{c}{}&1.3&5.6&98&11.4&0.19&0.15&4.9\\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
\multicolumn{1}{c}{}&0.9&2.9&49&5.7&3.0&2.2&430\\
\multicolumn{1}{c}{ONe25}&1.0&3.5&56&6.5&2.1&1.4&210\\
\multicolumn{1}{c}{($X=0.53$)}&1.1&4.0&64&7.5&1.20&0.81&98\\
\multicolumn{1}{c}{}&1.2&4.6&77&8.9&0.60&0.39&36\\
\multicolumn{1}{c}{}&1.3&5.2&93&10.8&0.22&0.16&12\\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
\multicolumn{1}{c}{}&0.9&3.6&54&6.2&2.9&1.9&230\\
\multicolumn{1}{c}{CO50}&1.0&4.2&61&7.1&1.8&1.2&90\\
\multicolumn{1}{c}{($X=0.35$)}&1.1&4.7&70&8.1&1.0&0.72&48\\
\multicolumn{1}{c}{}&1.2&5.4&82&9.5&0.49&0.35&19\\
\multicolumn{1}{c}{}&1.3&6.0&99&14.7&0.19&0.15&6\\
\hline
\end{tabular}
\parbox{12cm}{
$^{{a}}$ Time needed for the envelope to evolve from $kT_{\rm eff}\simeq kT^{\rm max}_{\rm eff}-10$~eV
to $kT^{\rm max}_{\rm eff}$.}
%\end{center}
\end{table}