Kappa-Mechanism Excitation of Retrograde Mixed Modes in B-Type Stars
classification
🌌 astro-ph
keywords
modesstarsb-typeexcitationkappa-mechanismmixedretrogradebump
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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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