Kappa-Mechanism Excitation of Retrograde Mixed Modes in B-Type Stars

Details Kappa-Mechanism Excitation of Retrograde Mixed Modes in B-Type Stars Kappa-Mechanism Excitation of Retrograde Mixed Modes in B-Type Stars

2005-11-15

arxiv.org/abs/astro-ph/0511455v1

Astronomy and Astrophysics

Astrophysics

3 pages, 1 figure, to appear in "Active OB Stars: Laboratories for Stellar & Circumstellar Physics", ASP Conf. Ser. 2005, S. S

Scientific paper

The stability of retrograde mixed modes in rotating B-type stars is
investigated. It is found that these modes are susceptible to kappa-mechanism
excitation, due to the iron opacity bump at log T ~ 5.3. The findings are
discussed in the context of the pulsation of SPB and Be stars.

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