NLTE wind models of A supergiants
Abstract
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.
- Publication:
-
The A-Star Puzzle
- Pub Date:
- December 2004
- DOI:
- 10.1017/S1743921304004338
- Bibcode:
- 2004IAUS..224...23K
- Keywords:
-
- Stars: atmospheres;
- stars: early-type;
- stars: winds;
- outflows;
- radiative transfer