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Stellar companions to exoplanet host stars with Astralux

Published online by Cambridge University Press:  10 November 2011

Carolina Bergfors
Affiliation:
Max-Planck-Institute for Astronomy, Königstuhl 17, 69117 Heidelberg, Germany email: bergfors@mpia.de
Wolfgang Brandner
Affiliation:
Max-Planck-Institute for Astronomy, Königstuhl 17, 69117 Heidelberg, Germany email: bergfors@mpia.de
Thomas Henning
Affiliation:
Max-Planck-Institute for Astronomy, Königstuhl 17, 69117 Heidelberg, Germany email: bergfors@mpia.de
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.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2011

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