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Mixing processes in stars

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arxiv 2409.11354 v1 pith:XH67UOLJ submitted 2024-09-17 astro-ph.SR

classification astro-ph.SR
keywords stellarprocessesstarsmodellingmodelsabilityaspectsasteroseismology
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Stars play a key role in the evolution of the Universe, as sources of radiation, as dynamical engines, and as chemical factories. Outputs of stellar models are then central to various studies in astrophysics. Stellar physics links fundamental physical aspects to hydrodynamic and magnetohydrodynamic processes, and the validity of stellar models depends directly on the modelling of these complex mechanisms. We describe here the different transport processes at work in stellar interiors and how the modelling of these processes can be improved thanks to the unique ability of asteroseismology, the study of stellar oscillations, to probe the internal structure and dynamics of stars.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The IACOB project XIX. Revisiting massive-star evolution with empirical TAMS constraints: updated models, overshoot calibration, and the population of blue supergiants

    astro-ph.SR 2026-07 conditional novelty 6.0 of 10

    Massive-star models require mass-dependent core overshoot (α_ov ≈ 0.18–0.45) to match the empirical TAMS, but still fail to explain the velocity dependence of the TAMS and the observed blue supergiant population.

  2. The efficiency of mixed modes for angular momentum transport

    astro-ph.SR 2025-06 conditional novelty 6.0 of 10

    Mixed pressure-gravity modes can partially spin down red giant cores, but only if their amplitudes are high; radiative damping weakens and delays the effect, so another transport mechanism is needed to explain the ful...

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