Table 3: The apparent speed and the corresponding apparent proper motion of components C2, C3, C4 and C5.
Component Apparent speed Apparent proper motion

${\rm mas~yr}^{-1}$ in units of c

C2 $\left( -0.3 \pm 4.0 \right) \times 10^{-3}$ $\le$ 0.31

C3 $0.082 \pm 0.006$ $6.25\pm 0.46$

C4 $0.14 \pm 0.03$ $9.91 \pm 2.12$

C5 $0.22 \pm 0.03$ $16.77 \pm 2.29$

**Table 3:** The apparent speed and the corresponding apparent proper motion of components C2, C3, C4 and C5.
Component	Apparent speed	Apparent proper motion
	${\rm mas~yr}^{-1}$	in units of c
C2	$\left( -0.3 \pm 4.0 \right) \times 10^{-3}$	$\le$ 0.31
C3	$0.082 \pm 0.006$	$6.25\pm 0.46$
C4	$0.14 \pm 0.03$	$9.91 \pm 2.12$
C5	$0.22 \pm 0.03$	$16.77 \pm 2.29$

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