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Impact flux of Asteroids and Water Transport to the Habitable Zone in Binary Star Systems
By now, observations of exoplanets have found more than 50 binary star systems hosting 71 planets.
We expect these numbers to increase as more than 70% of the main sequence stars in the solar neighborhood are members of binary or multiple systems. The planetary motion in such systems depends strongly on both the parameters of the stellar system (stellar separation and eccentricity) and the architecture of the planetary system (number of planets and their orbital behaviour).
In case a terrestrial planet moves in the so-called habitable zone (HZ) of its host star, the habitability of this planet depends on many parameters. A crucial factor is certainly the amount of water. We investigate in this work the transport of water from beyond the snow-line to the HZ in a binary star system and compare it to a single star system.
D. Bancelin, E. Pilat-Lohinger, S. Eggl, R. Dvorak
(Submitted on 26 May 2015)
Subjects: Earth and Planetary Astrophysics (astro-ph.EP)
Cite as: arXiv:1505.07347 [astro-ph.EP] (or arXiv:1505.07347v1 [astro-ph.EP] for this version)
From: David Bancelin
[v1] Tue, 26 May 2015 14:15:57 GMT (22kb)