\begin{table}%t1
\caption{\label{Kl1}Comparison of present polarization data with Klein et~al. (\cite{Kl}).} 
%\centering
\par
\begin{tabular}{lcc}
\hline
\hline
Difference& \multicolumn{2}{c}{rms}\\
\hline
& Found & Expected\\
\hline
$\chi_{8.5} -\chi_{10.5}$&  11$^\circ$ &$13^\circ$\\
$\chi_{4.8} - \chi_{4.9}$&  9$^\circ$&$7^\circ$\\
S$_{\rm p_{8.5}}  - {\rm S}_{\rm p_{10.5}}$&  1.6 mJy &  1.4 mJy\\
S$_{\rm p_{4.8}}  - {\rm S}_{\rm p_{4.9}}$ &  1.9 mJy  &  1.8 mJy\\
\hline
\end{tabular}
\end{table}