Masses of the astrometric SB2 ζOri A

Details Masses of the astrometric SB2 ζOri A Masses of the astrometric SB2 ζOri A

2010-09-17

arxiv.org/abs/1009.3508v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

2 pages, 1 figure, IAUS 272 - Active OB Stars: Structure, Evolution, Mass Loss and Critical Limits

Scientific paper

We report the first dynamic mass for an O-type supergiant, the
interferometrically resolved SB2 system \zeta 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.

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