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Table 3:

Linear regression fits to the motion of listed components.

Comp. ID 		$r_{\rm mean}$ [mas] $\mu_{\rm r}^{\rm 15}$ [mas  $\rm yr^{-1}$] $\beta_{\rm app}^{\rm 15}$ [c] $ \mu^{\rm all}_{\rm r}$ [mas  $\rm yr^{-1}$] $\beta^{\rm all}_{\rm app}$ [c] $\rm t_{0}$ [yr]
C0 $0.30 \pm 0.02$ $0.017 \pm 0.001$ $0.39 \pm 0.02$ $0.006 \pm 0.001$ $0.14 \pm 0.02$ /
C1 $0.79 \pm 0.03$ $-0.037 \pm 0.003$ $-0.86 \pm 0.07$ $0.001 \pm 0.001$ $0.02 \pm 0.02$ /
Ca $1.27 \pm 0.03$ $0.007 \pm 0.004$ $0.16 \pm 0.09$ $0.022 \pm 0.001$ $0.51 \pm 0.02$ /
C2 $1.93 \pm 0.03$ $0.017 \pm 0.007$ $0.39 \pm 0.16$ $-0.002 \pm 0.001$ $-0.05 \pm 0.02$ /
C4 $3.70 \pm 0.08$ $0.145 \pm 0.017$ $3.37 \pm 0.39$ $0.001 \pm 0.001$ $0.02 \pm 0.02$ /
C8 $6.78 \pm 0.18$ $-0.182 \pm 0.005$ $-4.23 \pm 0.12$ $-0.182 \pm 0.005$ $-4.23 \pm 0.12$ /
C12 $10.02 \pm 0.38$ $-0.715 \pm 0.113$ $-16.62 \pm 2.63$ $-0.197 \pm 0.069$ $-4.58 \pm 1.60$ /
B3 / $0.807 \pm 0.151$ $18.76 \pm 3.51$ / / $1999.8 \pm 1.1$

Notes.  $r_{\rm mean}$ is the mean core separation over the time-range of the regression, $\mu$ is the proper motion of the component, and  $\beta_{\rm app}$ is the apparent speed. $\mu$ and  $\beta_{\rm app}$ are computed twice: once using only 15 GHz results, and once with the combined results from all frequencies. t0 is the extrapolated time of component ejection from the core in the case of component B3.


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