On the ? Bootis spectroscopic binary hypothesis

Christian Stütz, Ernst Paunzen

Veröffentlichungen: Beitrag in BuchBeitrag in Konferenzband

Abstract

It is still a matter for some debate whether the group of ? Bootis stars has been homogeneously defined. A widely discussed working hypothesis postulates that two solar-abundant stars of an undetected spectroscopic binary system would mimic a single, metal-weak spectrum, thus preventing any reliable analysis of the group characteristics. Using the newest available stellar-atmosphere models and synthesis codes, we investigate whether the proposed spectroscopic-binary model can explain both the observed abundance patterns and the photometric metallicity indices, and what would be the percentage of undetected spectroscopic binary systems.
OriginalspracheEnglisch
TitelContributions of the Astronomical Observatory Skalnaté Pleso
Herausgeber (Verlag)Unknown publisher
Seiten459-460
Seitenumfang2
PublikationsstatusVeröffentlicht - 2008

Publikationsreihe

ReiheContributions of the Astronomical Observatory Skalnaté Pleso
ISSN1335-1842

ÖFOS 2012

  • 1010 Mathematik
  • 1030 Physik, Astronomie

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