http://arxiv.org/abs/2303.11374
Dynamical stellar-evolution modeling through the AGB phase reveals that radial pulsations with very fast-growing amplitudes develop if the luminosity to mass ratio of stars with tenuous envelopes exceeds a critical limit. An instability going nonlinear already after a few pulsation cycles might qualify as a source of the superwind – postulated to shed a substantial part of a star’s envelope over a very short time – of hitherto persistently mysterious nature.
A. Gautschy
Wed, 22 Mar 23
59/68
Comments: 15 pages, 12 figures
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