Chaotic orbits in a 3D galactic dynamical model with a double nucleus

Details Chaotic orbits in a 3D galactic dynamical model with a double nucleus Chaotic orbits in a 3D galactic dynamical model with a double nucleus

2012-04-02

arxiv.org/abs/1204.0324v1

Mechanics Research Communications, 2009, vol. 36, 875-881

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

Published in Mechanics Research Communications journal

Scientific paper

10.1016/j.mechrescom.2009.07.002

A 3D-dynamical model is constructed for the study of motion in the central regions of a disk galaxy with a double nucleus. Using the results of the 2D-model, we find the regions of initial conditions in the (x,px,z,py)=EJ, (y=pz=0) phase space producing regular or chaotic orbits. The majority of stars are on chaotic orbits. All chaotic orbits come arbitrary close to one or to both nuclei. Regular orbits are those starting near the stable periodic orbits of the 2D-system with small values of z0. All regular orbits circulate around only one of the two nuclei.

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