\begin{table}%t1
\par
\caption{\label{app_motion}Proper motions and apparent speeds of components.}
 %\centerline
 {
\begin{tabular}{cccc}
\hline\hline
Comp. & $\mu$, mas/yr & $\beta_{\rm app}$, $c$ & Ejection    \\
name  &               & ($z=0.31$)      & epoch, yr  \\
\hline
C5$^{43}$& 1.01 $\pm$ 0.09 & 19.4 $\pm$ 1.7 & 2003.77 $\pm$ 0.05  \\
C5$^{22}$& 1.11 $\pm$ 0.13 & 21.3 $\pm$ 2.5 & 2003.86 $\pm$ 0.05  \\
C6$^{43}$& 0.88 $\pm$ 0.03 (1.04 $\pm$ 0.07)$^{*}$ & 16.9 $\pm$ 1.6 &  2003.99 $\pm$ 0.01    \\
C6$^{22}$& 0.98 $\pm$ 0.04 & 18.9 $\pm$ 0.8  & 2004.02 $\pm$ 0.01 \\
C7$^{43}$& 0.44 $\pm$ 0.04 (0.44 $\pm$ 0.16)$^{*}$ & 8.5 $\pm$ 0.8 & 2004.08 $\pm$ 0.04   \\
C7$^{22}$& 0.76 $\pm$ 0.14 & 14.6 $\pm$ 2.6  & 2004.18 $\pm$ 0.04 \\
C8$^{43}$& 0.00 $\pm$ 0.01 & -- & -- \\
C8$^{22}$& 0.12 $\pm$ 0.02 & -- & -- \\
\hline
\end{tabular}}
\par
\smallskip
$^*$ In parenthesis: fit performed using travelled distance;
$^{43,}$ $^{22}$ values obtained for 43 and 22 GHz are marked with corresponding number.
\end{table}