\begin{table}%t1
\caption{
Scale parameters. 
}\label{tab:scalepar}
%\centering
\begin{tabular}{ccccc}
\hline
\hline
${\varrho}_{0}$(${\rm kg/m^{3}}$)&
$B_{0}$(T)&
$L$(m)&
${\Lambda}_{\rm B}$(m)&
$v_{{\rm A}{\rm e}}$(m s$^{-1}$)
\\
\hline
$10^{-12}$&
$1.1\times 10^{-4}$&
$1.3\times 10^{8}$&
$8.2\times 10^{7}$&
$10^{6}$
\\
\hline
\end{tabular}
\end{table}