\begin{table}%t3
\caption {\label{Tab:3}Total time (Myr) of presence in the instability strip for models
computed with HHeB, CHeB, and CHeBm respectively.}
%\centering
\par
\begin{tabular}{ l  l  l  l }\hline\hline
\noalign{\smallskip}
$M/M_\odot$ & HHeB & CHeB & CHeBm\\ \hline
4.0 & 0.0703 & 4.205  & 5.932\\
5.0 & 1.413  & 0.1640 & 1.194\\
6.0 & 0.5593 & 0.0435 & 0.3321\\
7.0 & 0.1014 & 0.0242 & 0.2612\\
8.0 & 0.0458 & 0.0135 & 0.2218\\
9.0 & 0.0184 & 0.0154 & 0.0374\\
10.0& 0.0074 & 0.0300 & 0.0276\\ \hline
\end{tabular}
\end{table}