High velocity chaotic motion in an active galaxy model

Details High velocity chaotic motion in an active galaxy model High velocity chaotic motion in an active galaxy model

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aipc..848..738p&link_type=abstract

RECENT ADVANCES IN ASTRONOMY AND ASTROPHYSICS: 7th International Conference of the Hellenic Astronomical Society. AIP Conferenc

Astronomy and Astrophysics

Astrophysics

Active And Peculiar Galaxies And Related Systems, Kinematics, Dynamics, And Rotation, Spiral Arms And Bars, Galactic Disks, Galactic Halos, Galactic Nuclei, Circumnuclear Matter, And Bulges

Scientific paper

We present a dynamical model for an active galaxy with a disk, nucleus and halo components. Numerical calculations and theoretical evidence show that, for a fixed value of mass of the disk and the nucleus, the stellar velocities in the central region decrease as the mass of halo increases. With a massive halo, the motion tends to be regular while, when the halo component is absent, the majority of orbits are chaotic. The dynamical evolution of the system is also studied when mass is transported from the halo to the disk and the nucleus simultaneously. Our results are compared to the recently obtained observation data for active galaxies.

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