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Paper: Evolution and Dynamics of Planetary Systems in Star Clusters
Volume: 398, Extreme Solar Systems
Page: 137
Authors: Hurley, J.R.; Shara, M.M.; Mardling, R.A.
Abstract: The remarkably low eccentricity orbits of the planets in our Solar System suggest that the Sun was born in a low density environment. We have used GRAPE-6 N-body simulations to follow the orbital evolution of Earth-Jupiter and Jupiter-Neptune systems in open star clusters, with 10% to 30% binaries, from birth to cluster dissolution. Most systems are ejected with at most small eccentricity, but moderately hot Jupiters in very eccentric orbits are occasionally created.
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