Galaxy Dynamics: Secular Evolution and Accretion

Details Galaxy Dynamics: Secular Evolution and Accretion Galaxy Dynamics: Secular Evolution and Accretion

2010-07-18

arxiv.org/abs/1007.2979v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

7 pages, 3 figures, Proceedings of IAU Symp. 271, Astrophysical Dynamics: from Stars to Galaxies, ed. N. Brummell & A.S. Brun,

Scientific paper

Recent results are reviewed on galaxy dynamics, bar evolution, destruction and re-formation, cold gas accretion, gas radial flows and AGN fueling, minor mergers. Some problems of galaxy evolution are discussed in particular, exchange of angular momentum, radial migration through resonant scattering, and consequences on abundance gradients, the frequency of bulgeless galaxies, and the relative role of secular evolution and hierarchical formation.

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