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On the Habitability of Terrestrial Planets in Binary Star Systems

Published online by Cambridge University Press:  29 April 2014

Elke Pilat-Lohinger ,
Barbara Funk  and
Siegfried Eggl
Elke Pilat-Lohinger
Affiliation:
Institute of Astronomy, University of Vienna, Austria
Barbara Funk
Affiliation:
Institute of Astronomy, University of Vienna, Austria
Siegfried Eggl
Affiliation:
IMCCE, Paris email: [email protected].
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Abstract

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The growing number of detected planets in binary star systems requires methods for a quick assessment of possible habitability of planets in such environments. We offer an analytic method to determine habitability of a terrestrial planet in binary star systems. In this context we give an answer to the most important question: Do the radiative and gravitational perturbations of a secondary influence the extent of the habitable zone (HZ)?

After we have defined the borders of the HZ, we will show the dynamical behaviour of a terrestrial planet in the HZ when adding a Jupiter to the system. In such a system the HZ shows signs of mean motion resonances and secular resonances, depending on the architecture of the planetary system.

Keywords

Binaries: generalplanetary systemsn-body simulationsnumerical
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S293: Formation, Detection, and Characterization of Extrasolar Habitable Planets , August 2012 , pp. 140 - 145
Copyright
Copyright © International Astronomical Union 2014 

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