\begin{table}%t1
\caption{\label{tvknot}\vlsr\ line centroids$^{1}$ of the HH~223 knots.}
\par
\small%\centerline
 {
\begin{tabular}{cccccc}  
\hline\hline\\[-3mm]
 Knot& \oi\ 6300& H$\alpha$& \nii\ 6583& \sii\ 6731& Average\\
\hline 
A  &\phantom{1}$-80\pm 20$&$-108\pm 15$&\phantom{1}$-83\pm 15$&$-108\pm 15$&\phantom{1}$-95\pm33$\\
B  &$-115\pm 15$&$-122\pm 15$&$-131\pm 15$&$-128\pm 15$&$-124\pm 30$\\
C  &\phantom{1}$-23\pm 15$&\phantom{1}$-76\pm 15$&\phantom{1}$-67\pm 15$&\phantom{1}$-57\pm 15$&\phantom{1}$-56\pm 30$ \\
D  &\phantom{1}$-80\pm 15$&$-117\pm 15$&\phantom{1}$-92\pm 15$&$-106\pm 15$&\phantom{1}$-99\pm 30$ \\
E  &\phantom{1}$-63\pm 15$&\phantom{1}$-99\pm 15$&\phantom{1}$-79\pm 20$&\phantom{1}$-79\pm 25$&\phantom{1}$-80\pm 33$ \\
F  &\phantom{1}$-24\pm 15$&\phantom{1}$-26\pm 15$&\phantom{11}$-1\pm 15$&\phantom{1}$-17\pm 25$&\phantom{1}$-17\pm 35$ \\
\hline
\end{tabular}}
\medskip
Notes: (1)~derived from the spectra integrated within the slit aperture sizes indicated  in Fig.~\ref{espint}.
\end{table}