Mass Distribution and Bulge Formation in the Milky Way Galaxy

Details Mass Distribution and Bulge Formation in the Milky Way Galaxy Mass Distribution and Bulge Formation in the Milky Way Galaxy

2006-08-16

arxiv.org/abs/astro-ph/0608343v1

EAS Publ. Series Vol. 20, EDP Sciences (2006), pp. 89-96

Astronomy and Astrophysics

Astrophysics

Eight pages, one figure. Invited Review, Proceedings of 21st IAP Colloquium, 'Mass Profiles and Shapes of Cosmological Structu

Scientific paper

10.1051/eas:2006053

In its first part, this paper summarizes recent work on the mass and shape of the Galactic dark halo. The second part presents a review of the large-scale structure of the Milky Way, and of the evidence that the inner Galaxy is dominated by baryonic matter. This is briefly compared with the predictions of LCDM and MOND. Finally, a summary is given of bulge formation from clumpy, gas-rich disks, a process which may give rise to old, disk-like, alpha-rich bulges similar to the Galactic bulge.

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