Hydrodynamic atmosphere models for hot luminous stars II. Method and improvements over unified models

Details Hydrodynamic atmosphere models for hot luminous stars II. Method and improvements over unified models Hydrodynamic atmosphere models for hot luminous stars II. Method and improvements over unified models

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ssrv...66..173s&link_type=abstract

Space Science Reviews, Volume 66, Issue 1-4, pp. 173-177

Computer Science

5

Stars: Atmospheres, Stars: Mass Loss, Stars: Early-Type

Scientific paper

In a paper submitted to A&A we present the first line blanketed hydrodynamic models of spherically expanding atmospheres of hot stars. This paper is complementary to the submitted paper. Here, we emphasize the advantages and the weak points of our approach and we present additional technical aspects. The models are characterised by a simultaneous solution of the equation of motion, the non-LTE populations of H and He, and radiation transfer in a line blanketed atmosphere. The entire domain from the optically thick photosphere out to the terminal velocity of the wind is treated. The radiative forces are evaluated consistently with the depth-dependent radiation field, taking into account multiple scattering by metal lines and line overlap.

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