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The Effect of Scattering on the Temperature Stratification of 3D Model Atmospheres of Metal-Poor Red Giants
Published online by Cambridge University Press: 12 August 2011
Abstract
We study the effects of different approximations of scattering in 3D radiation-hydrodynamics simulations on the photospheric temperature stratification of metal-poor red giant stars. We find that assuming a Planckian source function and neglecting the contribution of scattering to extinction in optically thin layers provides a good approximation of the effects of coherent scattering on the photospheric temperature balance.
- Type
- Contributed Papers
- Information
- Proceedings of the International Astronomical Union , Volume 6 , Symposium S271: Astrophysical Dynamics: From Stars to Galaxies , June 2010 , pp. 373 - 374
- Copyright
- Copyright © International Astronomical Union 2011