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Asteroseismology of β Cephei
Published online by Cambridge University Press: 08 February 2017
Abstract
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We discuss the oscillation features of β Cephei, which is a magnetic star in which the magnetic axis seems to be oblique to the rotation axis. We interpret the observed equi-distant fine structure of the frequency spectrum as a manifestation of a magnetic effect on an eigenmode, which would be a radial mode in the absence of the magnetic field. Besides these frequency components, we interpret another peak in the frequency spectrum as an independent quadrupole mode. By this mode identification, we deduce the mass, the evolutionary stage, the rotational frequency, the magnetic field strength, and the geometrical configuration of β Cephei.
- Type
- VI. Asteroseismology II
- Information
- Symposium - International Astronomical Union , Volume 185: New Eyes to See Inside the Sun and Stars , 1998 , pp. 395 - 396
- Copyright
- Copyright © Kluwer 1998
References
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1994, in ASP Conf. 76, GONG '94: Helio- and Asteroseismology from the Earth and Space, ed. Ulrich, R. K., Rhodes, E. J. Jr., & Däppen, W. (San Francisco: ASP), 618.Google Scholar
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