SIMBAD references

2016ApJ...825...33K - Astrophys. J., 825, 33-33 (2016/July-1)

Making Planet Nine: pebble accretion at 250-750 AU in a gravitationally unstable ring.

KENYON S.J. and BROMLEY B.C.

Abstract (from CDS):

We investigate the formation of icy super-Earth mass planets within a gravitationally unstable ring of solids orbiting at 250-750 AU around a 1 {M}_☉ star. Coagulation calculations demonstrate that a system of a few large oligarchs and a swarm of pebbles generates a super-Earth within 100-200 Myr at 250 AU and within 1-2 Gyr at 750 AU. Systems with more than ten oligarchs fail to yield super-Earths over the age of the solar system. As these systems evolve, destructive collisions produce detectable debris disks with luminosities of {10}{–5}–{10}{-3} relative to the central star.

Abstract Copyright: © 2016. The American Astronomical Society. All rights reserved.

Journal keyword(s): planetary systems - planets and satellites: formation - planets and satellites: individual: Planet Nine - planets and satellites: physical evolution

Simbad objects: 6

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