Formation of short-period planets by disc migration

  title={Formation of short-period planets by disc migration},
  author={Daniel Carrera and Eric B. Ford and Andr{\'e} Izidoro},
  journal={Monthly Notices of the Royal Astronomical Society},
Protoplanetary discs are thought to be truncated at orbital periods of around 10 d. Therefore, the origin of rocky short-period planets with P < 10 d is a puzzle. We propose that many of these planets may form through the Type-I migration of planets locked into a chain of mutual mean motion resonances. We ran N-body simulations of planetary embryos embedded in a protoplanetary disc. The embryos experienced gravitational scatterings, collisions, disc torques, and dampening of orbital… 
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