Masses of the astrometric SB2 [zeta] Ori A

Abstract We report the first dynamic mass for an O-type supergiant, the interferometrically resolved SB2 system ζ Ori A (O9.5Ib+B0/1). The separation of the system excludes any previous mass-transfer, ensuring that the derived masses can be compared to single star evolutionary tracks. [PUBLICATION A...

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Bibliographic Details
Published inProceedings of the International Astronomical Union Vol. 6; no. S272; p. 539
Main Authors Rivinius, Thomas, Hummel, Christian A, Stahl, Otmar
Format Journal Article
LanguageEnglish
Published Cambridge Cambridge University Press 01.07.2010
Subjects
Astrophysics
Double stars
Giant stars
Star & galaxy formation
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Summary:Abstract We report the first dynamic mass for an O-type supergiant, the interferometrically resolved SB2 system ζ Ori A (O9.5Ib+B0/1). The separation of the system excludes any previous mass-transfer, ensuring that the derived masses can be compared to single star evolutionary tracks. [PUBLICATION ABSTRACT]
ISSN:1743-9213
1743-9221
DOI:10.1017/S1743921311011367