Can pulsational instabilities impact a massive star's rotational evolution?
classification
🌌 astro-ph
keywords
angularevolutionimpactmassivemodesmomentumrotationalsignificant
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We investigate whether angular momentum transport due to unstable pulsation modes can play a significant role in the rotational evolution of massive stars. We find that these modes can redistribute appreciable angular momentum, and moreover trigger shear-instability mixing in the molecular weight gradient zone adjacent to stellar cores, with significant evolutionary impact.
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