Table 2: Global model fits and comparison with earlier estimations.

Target
Instrument $\Theta_{\rm LD}$  $ \pm \sigma$ [mas] $f_{\rm CSE} \pm \sigma$ (10-2) $\chi^2_{\rm r}$

$\tau $ Cet
CHARA $2.015 \pm 0.011$ $0.98 \pm 0.21$ 1.1
  VLTIa $2.078 \pm 0.031$ <5  
  VLTIb $2.059 \pm 0.033$ 0.98  

$\epsilon $ Eri
CHARA $2.126 \pm 0.014$ <0.6 2.1
  VLTIa $2.148 \pm 0.029$ <2  

a From Di Folco et al. (2004). b New fit with fixed $f_{\rm CSE}$ value.

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