publication . Other literature type . Preprint . Article . 2015

A reassessment of the in situ formation of close-in super-Earths

Masahiro Ogihara; Alessandro Morbidelli; Tristan Guillot;
  • Published: 01 Jun 2015
  • Publisher: EDP Sciences
A large fraction of stars host one or multiple close-in super-Earth planets. There is an active debate about whether these planets formed in situ or at greater distances from the central star and migrated to their current position. It has been shown that part of their observed properties (e.g., eccentricity distribution) can be reproduced by N-body simulations of in situ formation starting with a population of protoplanets of high masses and neglecting the effects of the disk gas. We plan to reassess the in situ formation of close-in super-Earths through more complete simulations. We performed N-body simulations of a population of small planetary embryos and pla...
arXiv: Astrophysics::Earth and Planetary AstrophysicsAstrophysics::Galaxy Astrophysics
free text keywords: Astrophysics - Earth and Planetary Astrophysics, Astrophysics, Planet, Accretion (meteorology), Astronomy, Protoplanet, Protoplanetary disk, Eccentricity (behavior), media_common.quotation_subject, media_common, Physics, Planetary migration, Planetesimal, Population, education.field_of_study, education
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