Formation and evolution of bulges

Details Formation and evolution of bulges Formation and evolution of bulges

2007-10-08

arxiv.org/abs/0710.1518v1

Astronomy and Astrophysics

Astrophysics

8 pages, 3 figures, to appear in the Proceedings of the conference `Pathways through an Eclectic Universe', J.H. Knapen, T.J.

Scientific paper

After presenting three ways of defining a bulge component in disc galaxies, we introduce the various types of bulges, namely the classical bulges, the boxy/peanut bulges and the disc-like bulges. We then discuss three specific topics linked to bulge formation and evolution, namely the coupled time evolution of the bar, buckling and peanut strengths; the effect of velocity anisotropy on peanut formation; and bulge formation via bar destruction.

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