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Radiation Line-driven Winds in B Supergiants – Lydia Cidale (Universidade Nacional de La Plata)
25 de setembro: 12:30 - 13:30
The theory of radiatively driven stellar winds has been successful in describing the wind properties (mass-loss and terminal velocity) of massive supergiants. Inclusion of rotation in the models brought a remarkable progress in the development of this theory. Three types of stationary wind regimes are currently known; the classical fast solution, the Omega–slow solution that arises for fast rotators, and the delta–slow solution that takes place in highly ionized winds. We discuss the properties of these hydrodynamical solutions and their applications in the context of B emission-line stars.