\begin{table}%t1
\caption{\label{TabMagnet}Parameters of the four models of Fig.~\ref{FigMagnet}. The density~$n_{\rm H}$ and the turbulent rate of strain are fixed: $n_{\rm H} = 50$~cm$^{-3}$, $a = 5$~$\times$~$10^{-10}$~s$^{-1}$.}
%\centering
\small
\begin{tabular}{l l l l l l l}
\hline \hline
     &    & & $M_0$ & $M_1$ & $M_2$ & $M_3$ \\
\hline
Magnetic field & $B$ & $\mu$G & 10    & 5     & 10    & 10    \\
Vortex length  & $L_{\rm V}$ &  AU     & 200   & 200   & 100   & 200   \\
Apodisation length & $C_{\rm V}$ & AU     & 100   & 100   & 50    & 50    \\
\hline
\end{tabular}
\end{table}