\begin{table}%t5
\caption{\label{tab5}Surface gravity, effective temperature and deep convection zone specific entropy for the hydrodynamical surface convection models of HD~49933 and the best fit model, model~3, computed with CESAM.}
\par
%\centering
\small
 {
  \begin{tabular}{p{0.2\linewidth}cccc}
        \hline\hline
  & STAGGER        &  STAGGER           &  STAGGER         &  CESAM   \\
                                                            & model A       & model B          & model C        & model  3        \\
\hline
&&& \\[-8pt]
      $\rm g [cm~s^{-2}]$                                 &  $2.75 \times 10^4$    &    $2.75 \times 10^4$     &    $2.70 \times 10^4$   &  $1.618 \times 10^4 $        \\
        $T_{\rm eff} [{\rm K}]$                                   &  5774           &    5639           &    5640         &  6610               \\
        $s_{\rm ad}  [{\rm erg~K^{-1}~g^{-1}}]$                   &  $1.9365 \times 10^9$   &    $1.9462 \times 10^9$   &    $1.9363 \times 10^9$ &  $2.3370 \times 10^9$       \\
\hline
\end{tabular}}
\end{table}