VLTI/VINCI diameter constraints on the evolutionary status of delta Eri, xi Hya, eta Boo

Details VLTI/VINCI diameter constraints on the evolutionary status of delta Eri, xi Hya, eta Boo VLTI/VINCI diameter constraints on the evolutionary status of delta Eri, xi Hya, eta Boo

2005-01-19

arxiv.org/abs/astro-ph/0501420v1

Astronomy and Astrophysics

Astrophysics

other location: http://www.obs-nice.fr/pichon/science.html ; Accepted for publication in Astron. Astrophys

Scientific paper

10.1051/0004-6361:20042075

Using VLTI/VINCI angular diameter measurements, we constrain the evolutionary status of three asteroseismic targets: the stars $\delta$ Eri, $\xi$ Hya, $\eta$ Boo. Our predictions of the mean large frequency spacing of these stars are in agreement with published observational estimations. Looking without success for a companion of $\delta$ Eri we doubt on its classification as an RS CVn star.

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