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Stellar companions to exoplanet host stars with Astralux

Published online by Cambridge University Press:  10 November 2011

Carolina Bergfors ,
Wolfgang Brandner ,
Thomas Henning  and
Sebastian Daemgen
Carolina Bergfors
Affiliation:
Max-Planck-Institute for Astronomy, Königstuhl 17, 69117 Heidelberg, Germany email: [email protected]
Wolfgang Brandner
Affiliation:
Max-Planck-Institute for Astronomy, Königstuhl 17, 69117 Heidelberg, Germany email: [email protected]
Thomas Henning
Affiliation:
Max-Planck-Institute for Astronomy, Königstuhl 17, 69117 Heidelberg, Germany email: [email protected]
Sebastian Daemgen
Affiliation:
European Southern Observatory, Karl-Schwarzschild Strasse 2, 85748 Garching, Germany
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Abstract

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A close stellar companion influences the formation of planets in the system. The occurrence of stellar companions and characteristics of the stars and planets in the system provide constraints on the formation processes. We present results from our high-resolution Lucky Imaging survey for binary exoplanet host stars, including the discovery of stellar companion candidates to the transiting planet hosts WASP-12 and HAT-P-8.

Keywords

techniques: high angular resolutionplanetary systemsbinaries: visual
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S276: The Astrophysics of Planetary Systems: Formation, Structure, and Dynamical Evolution , October 2010 , pp. 397 - 398
Copyright
Copyright © International Astronomical Union 2011

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