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Planet formation in binary stars

Published online by Cambridge University Press:  01 October 2007

Wilhelm Kley
Wilhelm Kley*
Affiliation:
Institut für Astronomie & Astrophysik and Kepler Center for Astro and Particle Physics, Universität Tübingen, Auf der Morgenstelle 10, D-72076 Tübingen, Germany email: [email protected]
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Abstract

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As of today more than 30 planetary systems have been discovered in binary stars. In all cases the configuration is circumstellar, where the planets orbit around one of the stars. The formation process of planets in binary stars is more difficult than around single stars due to the gravitational action of the companion. An overview of the research done in this field will be given. The dynamical influence that a secondary companion has on a circumstellar disk, and how this affects the planet formation process in this challenging environment will be summarized. Finally, new fully hydrodynamical simulations of protoplanets embedded in disks residing in a binary star will be presented. Applications with respect to the planet orbiting the primary in the system γ Cephei will be presented.

Keywords

Planet formationprotoplanetary diskbinary starshydrodynamics
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S249: Exoplanets: Detection, Formation and Dynamics , October 2007 , pp. 251 - 260
Copyright
Copyright © International Astronomical Union 2008

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