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Atmospheric Dynamics of Red Supergiant Stars and Interferometry

Published online by Cambridge University Press:  22 April 2008

S. Wolf ,
F. Allard ,
Ph. Stee  and
A. Chiavassa
A. Chiavassa*
Affiliation:
GRAAL, cc072, Université Montpellier II, 34095 Montpellier Cedex 05, France
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Abstract


We developed a 3D pure LTE radiative transfer code to derive observables expected for RSGs, with emphasis on small scale structures, from radiative-hydrodynamic (RHD) simulations of red supergiant stars (RSGs) carried out with CO5BOLD (Freytag et al. 2002). We show that the convection-related surface structures are observable with today's interferometers. Moreover, the RHD simulations are a great improvement over parametric models for the interpretation of interferometric observations.


Type
Research Article
Information
European Astronomical Society Publications Series , Volume 28: Perspectives in Radiative Transfer and Interferometry , 2008 , pp. 31 - 36
Copyright
© EAS, EDP Sciences, 2008

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