\begin{table}%t2
\caption{\label{tab2}Peak separation in the zvpc at the nine PA of NGC~6741.}
%\centering
\par
\begin{tabular}{cccccccccc}
\hline
\hline
Ion&&&&2$r_{\rm zvpc}$&(arcsec)&&&\\ 
\cline{2-10}
&PA = 15$\degr$ &35$\degr$ &55$\degr$ &75$\degr$ &95$\degr$ &115$\degr$ 
&135$\degr$ &155$\degr$&175$\degr$\\
\hline 
$[$O I$]$     & 4.3   & 4.6  & 5.7  & 7.3  & 6.8 & 7.1 &6.1 & 5.6 & 4.6 \\
$[$S II$]$    & 4.1   & 4.5  & 5.5  & 7.1  & 6.6 & 6.9 &6.0 & 5.5 & 4.4 \\
$[$O II$]$    & 4.0   & 4.3  & 5.2  & 6.6 & 6.5  & 6.6  &5.8& 5.2 & 4.3\\
HI            & 3.5   & 3.5  & 4.1  & 6.0  & 6.0 & 6.0 &5.2 & 4.5 & 3.8\\
$[$N II$]$    & 4.1   & 4.4  & 5.4  & 6.8  & 6.5 & 6.5 &5.9 & 5.2 & 4.4  \\
$[$S III$]$   & 3.6   & 4.1  & 4.6  & 6.0  & 5.7 & 6.0 &5.5 & 4.6 & 3.9 \\
He I          & 3.8   & 4.0  & 4.5  & 6.2  & 5.7 & 6.0 & 5.5& 4.6 & 4.0  \\
$[$Ar III$]$  & 3.7   & 3.8  & 4.5  & 5.9  & 5.0 & 6.0 & 5.5& 4.6&  4.1 \\
$[$O III$]$   & 3.6   & 3.7  & 4.4  & 5.3  & 4.7 & 5.5 & 5.0& 4.4 & 3.8  \\
$[$Ar IV$]$   & 2.7   & 3.2  & 3.6  & 3.9  & 3.9:  & 5.3: & 4.5:  & 3.4 &3.1  \\
$[$Ne III$]$  & 3.6   & 3.5:  & 4.0  & 4.5  & 5.0: & 5.6: & 5.0& 4.0 &3.6 \\
N III         & 3.0:   & 3.1:  & 3.6: & 4.0:  & 4.2: & 5.1: & 4.4: & 3.4:&3.2:   \\
He II         & 2.6   & 2.9  & 3.4  & 3.8  & 3.9:& 5.0:    & 3.9   & 3.2  &2.9  \\ 
$[$Ar V$]$    & 2.3   & 2.6     & 2.8     & 3.0     & 3.5:   & 4.0:   & 3.6   &  3.0  &  2.7\\
\hline
\end{tabular}%\vspace*{3mm}
\end{table}