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The most metal-poor stars. IV. the two populations with [Fe/H] ≲ -3.0

Norris, John; Yong, David; Bessell, Michael; Christlieb, N; Asplund, Martin; Gilmore, Gerard; Wyse, Rosemary F G; Beers, Timothy C; Barklem, Paul S; Frebel, Anna; Ryan, S. G.

Description

We discuss the carbon-normal and carbon-rich populations of Galactic halo stars having [Fe/H] ≲ -3.0, utilizing chemical abundances from high-resolution, high signal-to-noise model-atmosphere analyses. The C-rich population represents ∼28% of stars be

CollectionsANU Research Publications
Date published: 2013
Type: Journal article
URI: http://hdl.handle.net/1885/69771
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/762/1/28

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