\begin{table}%t3
\par
\caption{\label{table2}Lifetimes of central burning stages of
solar metallicity models. Lifetimes are in years with 
exponent in brackets
(2.14~\mbox{$(-2)=2.14\times 10^{-2}$}). }
%\centering
\par
\begin{tabular}{l | r r r | r r r | r r r}
\hline \hline
$M_{\rm{ZAMS}}$    &   15 (HMM) &   15 (WHW) &   15 (LSC) &    20 (HMM)&   20 (WHW) &   20 (LSC) &  25 (HMM)  &  25 (WHW)  &  25 (LSC)  \\
\hline
$\tau_{\rm{H}}$    &   1.13 (7) &   1.11 (7) &   1.07 (7) &  7.95 (6)  &  8.13 (6)  &  7.48 (6)  &   6.55 (6) &   6.70 (6) &   5.93 (6) \\
$\tau_{\rm{He}}$   &   1.34 (6) &   1.97 (6) &   1.4  (6) &  8.75 (5)  &  1.17 (6)  &  9.3  (5)  &   6.85 (5) &   8.39 (5) &   6.8  (5) \\
$\tau_{\rm{C}}$    &   3.92 (3) &   2.03 (3) &   2.6  (3) &  9.56 (2)  &  9.76 (2)  &  1.45 (3)  &   3.17 (2) &   5.22 (2) &   9.7  (2) \\
$\tau_{\rm{Ne}}$   &   3.08     &   0.732    &   2.00     &  0.193     &  0.599     &  1.46      &  0.882     &  0.891     &  0.77      \\
$\tau_{\rm{O}}$    &   2.43     &   2.58     &   2.43     &  0.476     &  1.25      &  0.72      &  0.318     &  0.402     &  0.33      \\
$\tau_{\rm{Si}}$   &   2.14 (--2)&   5.01 (--2)&   2.14 (--2)&   9.52 (--3)&   3.15 (--2)&   3.50 (--3)&   3.34 (--3)&   2.01 (--3)&   3.41 (--3)\\
\hline
\end{tabular}
\end{table}