\begin{table}%t3
%\centering
\par
\caption {\label{tab_gasdata}Format example of the measured gas kinematics as a function of distance from the center (positive: east, negative: 
west) for the different position 
angles. The full table is available electronically at the CDS.} 
\begin{tabular}{ccccccccc}
\hline\hline
$R$ & PA & $V_{\rm gas}$ & $\sigma_{\rm gas}$ & H$\beta$ & [OIII]/H$\beta$ & [NI]/H$\beta$ \\ 
(\arcsec) & (deg) & (km~s$^{-1}$) & (km~s$^{-1}$) & \AA & & \\
\hline
--288.6 &  48 & $-125.5\pm 4.9$ &  $94\pm5.6$ & $0.33\pm0.05$ & $2.6\pm0.2$ & $0.0\pm 15.7$\\
\hline
\end{tabular}
\end{table}