Interaction of a Giant Planet in an Inclined Orbit with a Circumstellar Disk

We investigate the dynamical evolution of a Jovian-mass planet injected into an orbit highly inclined with respect to its nesting gaseous disk. Planet-planet scattering induced by convergent planetary migration and mean motion resonances may push a planet into such an out-of-plane configuration with...

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Bibliographic Details
Published in:The Astrophysical journal 2009-11, Vol.705 (2), p.1575-1583
Main Authors: Marzari, F, Nelson, Andrew F
Format: Article
Language:English
Subjects:
Astronomy
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
Earth, ocean, space
EVOLUTION
Exact sciences and technology
FLUID MECHANICS
HYDRODYNAMICS
INCLINATION
MECHANICS
ORBITS
PERTURBATION THEORY
PLANETS
SCATTERING
SIMULATION
SOLAR SYSTEM EVOLUTION
THREE-DIMENSIONAL CALCULATIONS
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Summary:We investigate the dynamical evolution of a Jovian-mass planet injected into an orbit highly inclined with respect to its nesting gaseous disk. Planet-planet scattering induced by convergent planetary migration and mean motion resonances may push a planet into such an out-of-plane configuration with inclinations as large as 20 deg -30 deg. In this scenario, the tidal interaction of the planet with the disk is more complex and, in addition to the usual Lindblad and corotation resonances, it also involves inclination resonances responsible for bending waves. We have performed three-dimensional hydrodynamic simulations of the disk and of its interactions with the planet with a smoothed particle hydrodynamics code. A main result is that the initial large eccentricity and inclination of the planetary orbit are rapidly damped on a timescale of the order of 103 yr, almost independently of the initial semimajor axis and eccentricity of the planet. The disk is warped in response to the planet perturbations and it precesses. Inward migration also occurs when the planet is inclined, and it has a drift rate that is intermediate between type I and type II migration. The planet is not able to open a gap until its inclination becomes lower than ~10 deg, when it also begins to accrete a significant amount of mass from the disk.
ISSN:0004-637X
1538-4357
DOI:10.1088/0004-637X/705/2/1575