Atmospheric dynamics of red supergiant stars and Interferometry

Details Atmospheric dynamics of red supergiant stars and Interferometry Atmospheric dynamics of red supergiant stars and Interferometry

2008-02-11

arxiv.org/abs/0802.1399v1

Astronomy and Astrophysics

Astrophysics

6 pages, Perspectives in Radiative Transfer and Interferometry, EAS publication series

Scientific paper

10.1051/eas:0828005

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.

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