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The Stellar Population of the Thin Disk

Published online by Cambridge University Press:  09 March 2010

Carlos Allende Prieto
Carlos Allende Prieto*
Affiliation:
Mullard Space Science Laboratory, University College London, Holmbury St. Mary, RH5 6NT, Surrey, United Kingdom email: [email protected]
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Abstract

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We discuss recent observations of stars located close to the symmetry plane of the Milky Way, and examine them in the context of theories of Galaxy formation and evolution. The kinematics, ages, and compositions of thin disk stars in the solar neighborhood display complex patterns, and interesting correlations. The Galactic disk does not seem to pose any unsurmountable obstacles to hierarchical galaxy formation theories, but a model of the Milky Way able to reproduce the complexity found in the data will likely require a meticulous study of a significant fraction of the stars in the Galaxy. Making such an observational effort seems necessary in order to make a physics laboratory out of our own galaxy, and ultimately ensure that the most relevant processes are properly understood.

Keywords

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Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S265: Chemical Abundances in the Universe: Connecting First Stars to Planets , August 2009 , pp. 304 - 312
Copyright
Copyright © International Astronomical Union 2010

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