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The Galactic bulge: a review

Published online by Cambridge University Press:  01 July 2007

Dante Minniti  and
Manuela Zoccali
Dante Minniti
Affiliation:
Dept. of Astronomy & Astrophysics, P. Universidad Catolica, Casilla 306, Santiago 22, Chile email: [email protected], [email protected]
Manuela Zoccali
Affiliation:
Dept. of Astronomy & Astrophysics, P. Universidad Catolica, Casilla 306, Santiago 22, Chile email: [email protected], [email protected]
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Abstract

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The Milky Way is the only galaxy for which we can resolve individual stars at all evolutionary phases, from the Galactic center to the outskirt. The last decade, thanks to the advent of near IR detectors and 8 meter class telescopes, has seen a great progress in the understanding of the Milky Way central region: the bulge. Here we review the most recent results regarding the bulge structure, age, kinematics and chemical composition. These results have profound implications for the formation and evolution of the Milky Way and of galaxies in general. This paper provides a summary on our current understanding of the Milky Way bulge, intended mainly for workers on other fields.

Keywords

Galaxy: bulgeGalaxy: abundancesGalaxy: evolutionGalaxy: formationGalaxy: kinematics and dynamicsGalaxy: stellar contentGalaxy: structureGalaxy: diskGalaxy: haloglobular clusters: general
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S245: Formation and Evolution of Galaxy Bulges , July 2007 , pp. 323 - 332
Copyright
Copyright © International Astronomical Union 2008

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