The Effect of a Non-grey Surface Boundary Condition on the Evolution of Low-mass Stars

Details The Effect of a Non-grey Surface Boundary Condition on the Evolution of Low-mass Stars The Effect of a Non-grey Surface Boundary Condition on the Evolution of Low-mass Stars

Nov 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..948..195h&link_type=abstract

UNSOLVED PROBLEMS IN STELLAR PHYSICS: A Conference in Honor of Douglas Gough. AIP Conference Proceedings, Volume 948, pp. 195-1

Physics

1

Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages, Giant And Subgiant Stars

Scientific paper

The surface boundary condition for stellar evolution models is usually provided by a grey model atmosphere. However, low mass pre-main sequence stars and red giants have a low surface temperature which results in a non-grey opacity distribution. Consequently such stars must be modelled by using a surface boundary condition based upon a non-grey model atmosphere. Here we discuss how non-grey effects could alter the calibration of the mixing length parameter.

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