Topics on Galactic Chemical Evolution

Details Topics on Galactic Chemical Evolution Topics on Galactic Chemical Evolution

2011-01-11

arxiv.org/abs/1101.2108v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

13 pages, Invited talk in 11th Symposium on Nuclei in the Cosmos (July 19-23, 2010, Heidelberg)

Scientific paper

I discuss three different topics in Galactic chemical evolution:the "puzzling" absence of any observational signature of secondary elements ; the building of the Galactic halo in the framework of hierarchical galaxy formation, as evidenced from its metallicity distribution ; and the potentially important role that radial migration may play in the evolution of galactic disks, according to recent studies.

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