Planet Formation Around Low-Mass Stars: The Moving Snow Line and Super-Earths
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]
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|Source:||Astrophysical Journal, The|
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