Visualization and spectral synthesis of rotationally distorted stars

Details Visualization and spectral synthesis of rotationally distorted stars Visualization and spectral synthesis of rotationally distorted stars

2011-09-06

arxiv.org/abs/1109.1098v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

7 pages, 5 figures. Contribution to GREAT-ESF Workshop on "Stellar Atmospheres in the Gaia Era", Brussels 23-24 June 2011

Scientific paper

Simple spherical, non-rotating stellar models are inadequate when describing real stars in the limit of very fast rotation: Both the observable spectrum and the geometrical shape of the star deviate strongly from simple models. We attempt to approach the problem of modeling geometrically distorted, rapidly rotating stars from a new angle: By constructing distorted geometrical models and integrating standard stellar models with varying temperature, gravity, and abundances, over the entire surface, we attempt a semi-empirical approach to modeling. Here we present our methodology, and present simple examples of applications.

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