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NLTE wind models of A supergiants

Published online by Cambridge University Press:  02 March 2005

Jiří Krtička  and
Jiří Kubát
Jiří Krtička
Affiliation:
Institute of Theoretical Physics and Astrophysics, Masaryk University, CZ-611 37 Brno, Czech Republic, email: [email protected]
Jiří Kubát
Affiliation:
Astronomical Institute, Academy of Sciences of the Czech Republic, CZ-251 65 Ondřejov, Czech Republic, email: [email protected]
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Abstract

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We present new numerical models of line-driven stellar winds of A supergiants. Statistical equilibrium (NLTE) equations of the most abundant elements are solved, and properly obtained occupation numbers are used to calculate consistent radiative force and radiative heating terms. Wind density, velocity, and temperature are calculated as solutions of the model's hydrodynamical equations. Our models allow for the calculation of the wind mass-loss rate and terminal velocity.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Keywords

Stars: atmospheresstars: early-typestars: windsoutflowsradiative transfer
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS224 , July 2004 , pp. 23 - 28
Copyright
© 2004 International Astronomical Union