\begin{table}%t3
%\centering
\par
\caption{\label{tab:entr}Some quantities characterizing the convective boundaries of the 3D~model heflpopI.3d.}
\begin{tabular}{p{0.7cm}p{0.7cm}p{0.7cm}p{1.1cm}p{0.7cm}p{0.7cm}p{0.9cm}} 
\hline \hline\noalign{\smallskip}
Pos. & $\Delta q$ & $h$ & $N^2$ & $u_{\rm e}$ & $v_{\rm e}$ & $v_{\exp}$\\
 & [$10^8$] & [$10^7$~cm] & [$\rads$] & [$\mes$] & [$\mes$] & [$\mes$]\\
\hline 
inner & 9.7 & 1.0 & 0.92  & 1.0 & $<$0.6 & 0.4  \\
outer & 6.5 & 1.2 & 0.14  & 3.9 &  6.7 & 0.7  \\ 
\hline
\end{tabular}  
\tablefoot{Buoyancy jump $\Delta q$ (in $\erggs$), square of the Brunt-V\"ais\"al\"a buoyancy frequency $N^2$, calculated interface migration velocity, $u_{\rm e}$, and obtained from our simulation, $v_{\rm e}$, and expansion velocity $v_{\exp}$ at the inner and outer  convective interface of thickness~$h$, respectively.}
\end{table}