SIMBAD references

2005ApJ...618..502M - Astrophys. J., 618, 502-511 (2005/January-1)

Jumping jupiters in binary star systems.

MARZARI F., WEIDENSCHILLING S.J., BARBIERI M. and GRANATA V.

Abstract (from CDS):

We investigate the outcomes of the dynamical interaction of Jupiter-mass planets orbiting the central star in a binary system. These systems are unstable and lead to the hyperbolic ejection of one or more planets, while the surviving bodies are inserted in inner eccentric orbits. The gravitational perturbations of the companion star, set at an intermediate distance (50 AU) and typically on an eccentric orbit, influence both the development of instability and the outcome of the subsequent chaotic evolution. We compute the statistical properties of the resulting planetary systems when they reach a stable configuration. The binary eccentricity and the number of initial planets (two or three) are strong predictors of the final configuration of the planetary system. Cases of apsidal resonance between two final planets, Kozai resonance between a single surviving planet and the companion star, and retrograde orbits with respect to the binary orbit are naturally produced.

Abstract Copyright:

Journal keyword(s): Stars: Planetary Systems - Stars: Planetary Systems: Formation

Simbad objects: 4

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