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Dynamical Simulations of HD 69830

Published online by Cambridge University Press:  01 May 2008

Matthew J. Payne
Institute of Astronomy, University of Cambridge, UK. email:
Eric B. Ford
Department of Astronomy, University of Florida, USA email:
Mark C. Wyatt
Institute of Astronomy, University of Cambridge, UK. email:
Mark Booth
Institute of Astronomy, University of Cambridge, UK. email:
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Previous studies have developed models for the growth and migration of three planets orbiting HD 69830. We perform n-body simulations using MERCURY (Chambers 1999) to explore the implications of these models for: 1) the excitation of planetary orbits via planet-planet interactions, 2) the accretion and clearing of a putative planetesimal disk, 3) the distribution of planetesimal orbits following migration, and 4) the implications for the origin of the observed infrared emission from the HD 69830 system. We report preliminary results that suggest new constraints on the formation of HD 69830.

Contributed Papers
Copyright © International Astronomical Union 2009


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