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The Galactic halo: stellar populations and their chemical properties

Published online by Cambridge University Press:  05 March 2015

John E. Norris
John E. Norris*
Affiliation:
Research School of Astronomy and Astrophysics, The Australian National University, Weston, ACT 2611, Australia email: [email protected]
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Abstract

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Below [Fe/H] = −3.0, there is an enormous range in [C/Fe]. We discuss the properties of C-rich ([C/Fe] > +0.7) and C-normal ([C/Fe] ≤ +0.7) stars in this regime, and suggest that there existed two different gas cooling channels in the very early Universe.

Keywords

stars: abundancesGalaxy: abundancesGalaxy: halocosmology: early Universe
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 10 , Highlights H16: Highlights of Astronomy , August 2012 , pp. 280 - 281
Copyright
Copyright © International Astronomical Union 2015 

References

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