A New Challenge: Bar Formation and Secular Evolution in Lenticular Galaxies

Details A New Challenge: Bar Formation and Secular Evolution in Lenticular Galaxies A New Challenge: Bar Formation and Secular Evolution in Lenticular Galaxies

2002-09-24

arxiv.org/abs/astro-ph/0209511v1

Astrophys.Space Sci. 284 (2003) 527-530

Astronomy and Astrophysics

Astrophysics

4 pages inc. 2 figures; to appear in "The Evolution of Galaxies III. From Simple Approaches to Self-Consistent Models", procee

Scientific paper

10.1023/A:1024024832469

To further enhance our understanding on the formation and evolution of bars in lenticular (S0) galaxies, we are undertaking a detailed photometric and spectroscopic study on a sample of 22 objects. Here we report the results of a 2D structural analysis on two barred face-on S0's, which indicate that presently these galaxies do not possess disks. We discuss two possibilities to explain these surprising results, namely strong secular evolution and bar formation without disks.

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