Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974ap%26ss..31..117k&link_type=abstract
Astrophysics and Space Science, vol. 31, Nov. 1974, p. 117-141.
Astronomy and Astrophysics
Astrophysics
27
Heat Transfer, Meridional Flow, Stellar Rotation, Stellar Structure, White Dwarf Stars, Angular Velocity, Conductive Heat Transfer, Convective Heat Transfer, Cooling, Equations Of State, Neutrinos, Stellar Evolution, Stellar Temperature
Scientific paper
It is shown that, due to degeneracy, rather high Eddington-Vogt circulation velocities occur in cooling white dwarfs. From this, it is concluded that in fast rotating white dwarfs angular momentum is redistributed within a time scale short compared to the cooling time of the star. This might be important for the theory of very oblate rotating white dwarfs. It is shown that similar mechanisms work in the interior of degenerate, rotating cores of evolved stars, where circulations are driven by contraction energy and by neutrino losses. The circulations redistribute the core's matter within time scales shorter than or comparable to the evolution time scale.
Kippenhahn Rudolf
Moellenhoff Claus
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