Self-consistent gas and stellar dynamics of disk galaxies: A problem of dark mass
Abstract
We present results of numerical modeling made for the galactic stellar and stellar-gas disk embedded in the spherical halo and bulge. The stellar disk is simulated by N-body system, the equations of hydrodynamics are solved by TVD-method. We used TREEcode-algorithm for calculation of a self-gravity in stellar and gaseous components. The possibility of bars birth in a hot stellar disk because of gravitational instability of a cold gas component is investigated. The conditions of occurrence lopsided-galaxies from a axisymmetric disk as a result of gravitational instability are explored. The self-consistent models of double bars are constructed and the dynamical stability of these structures is discussed.
Keywords
Cite
@article{arxiv.1007.4332,
title = {Self-consistent gas and stellar dynamics of disk galaxies: A problem of dark mass},
author = {A. V. Khoperskov and S. S. Khrapov},
journal= {arXiv preprint arXiv:1007.4332},
year = {2010}
}
Comments
7 pages 6 figures, conference: 'Progress in Study of Astrophysical Disks: Collective and Stochastic Phenomena and Computational Tools'