Barium and Tc-poor S stars: Binary masqueraders among carbon stars

Preprint English OPEN
Jorissen, A.; Van Eck, S.;
(1997)
  • Subject: Astrophysics
    arxiv: Astrophysics::Galaxy Astrophysics | Physics::Atomic Physics | Astrophysics::Cosmology and Extragalactic Astrophysics | Astrophysics::Earth and Planetary Astrophysics | Astrophysics::Solar and Stellar Astrophysics

The current understanding of the origin of barium and S stars is reviewed, based on new orbital elements and binary frequencies. The following questions are addressed: (i) Is binarity a necessary condition to produce a barium star? (ii) What is the mass transfer mode (w... View more
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