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Planet Formation Around Low-Mass Stars: The Moving Snow Line and Super-Earths

Kennedy, Grant; Kenyon, Scott J; Bromley, Benjamin C


We develop a semianalytic model for planet formation during the pre-main-sequence contraction phase of a low-mass star. During this evolution, the stellar magnetosphere maintains a fixed ratio between the inner disk radius and the stellar radius. As the star contracts at constant effective temperature, the "snow line," which separates regions of rocky planet formation from regions of icy planet formation, moves inward. This process enables rapid formation of icy protoplanets that collide and...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: Astrophysical Journal, The
DOI: 10.1086/508882


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