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Planetesimal Accretion in Binary Star Systems
Stockholm University, Faculty of Science, Department of Astronomy.
2008 (English)In: Extreme Solar Systems, 2008Conference paper (Other academic)
Abstract [en]

Numerical simulations of planetesimal accretion in circumprimary and circumbinary orbits are described. The secular perturbations by the companion star and gas drag are included in our models. We derive limits on the parameters of the binary system for which accretion and then planetary formation are possible. In the circumbinary case we also outline the radial distance from the baricenter of the stars beyond which accumulation always occurs. Hydrodynamical simulations are also presented to validate our N--body approach based on the axisymmetric approximation for the gas of the disk.

Place, publisher, year, edition, pages
URN: urn:nbn:se:su:diva-18365OAI: diva2:184888
Available from: 2009-01-25 Created: 2009-01-25Bibliographically approved

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Thebault, Philippe
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Department of Astronomy

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