Astronomy & Astrophysics

Table 11: Parallax of $\alpha$ Cen from VINCI/VLTI and asteroseismological observations, and the corresponding self-consistent stellar parameters. Linear diameters are taken from the asteroseismology study by Thévenin et al. (2002).
Derived parallax $745.3 \pm 2.5$ mas

$\alpha$ Cen A $\alpha$ Cen B

VINCI LD size (mas) $8.511 \pm 0.020$ $6.001 \pm 0.034$

Model LD size (mas) $8.530 \pm 0.035$ $5.943 \pm 0.052$

VINCI diameter ( $D_{\odot}$ ) $1.227 \pm 0.005$ $0.865 \pm 0.006$

Model diameter ( $D_{\odot}$ ) $1.230 \pm 0.003$ $0.857 \pm 0.007$

**Table 11:** Parallax of $\alpha$ Cen from VINCI/VLTI and asteroseismological observations, and the corresponding self-consistent stellar parameters. Linear diameters are taken from the asteroseismology study by Thévenin et al. (2002).
Derived parallax	$745.3 \pm 2.5$ mas
	$\alpha$ Cen A	$\alpha$ Cen B
VINCI LD size (mas)	$8.511 \pm 0.020$	$6.001 \pm 0.034$
Model LD size (mas)	$8.530 \pm 0.035$	$5.943 \pm 0.052$
VINCI diameter ( $D_{\odot}$ )	$1.227 \pm 0.005$	$0.865 \pm 0.006$
Model diameter ( $D_{\odot}$ )	$1.230 \pm 0.003$	$0.857 \pm 0.007$

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