\begin{table}%t3
%\centering
\par
\caption{\label{RM_table}Summary of RM synthesis cube parameters.} 
\small \begin{tabular}{l l}  
\hline\hline  \noalign{\smallskip}
$\delta \phi$				& 3~rad~m$^{-2}$\\
$\phi^{\rm scale}_{\rm max}$		& 0.85~rad~m$^{-2}$\\
$||\phi_{\rm max}||$			& 2650~rad~m$^{-2}$\\ 
Angular resolution			& 4.2~arcmin\\
Conversion factor			& 1~mJy~beam$^{-1} = 1$~K\\
\hline
\end{tabular}
\end{table}