Dynamical Evolution of Barred Galaxies

Details Dynamical Evolution of Barred Galaxies Dynamical Evolution of Barred Galaxies

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004dda....35.0305a&link_type=abstract

American Astronomical Society, DDA meeting #35, #03.05; Bulletin of the American Astronomical Society, Vol. 36, p.852

Astronomy and Astrophysics

Astronomy

Scientific paper

I will discuss the formation and evolution of bars in disc galaxies. During this process, angular momentum is emitted (mainly) from the resonances in the inner disc, i.e. the bar region, and absorbed (mainly) from the resonances in the outer disc and halo. As a result, the bar slows down and becomes stronger, while the inner halo develops a triaxial structure rotating with the same angular velocity as the disc bar. High resolution N-body simulations will be used to get quantitative estimates of the effects of the resonances.

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