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The origins of two classes of carbon-enhanced, metal-poor stars

Ryan, Sean G; Aoki, Wako; Norris, John; Beers, Timothy C


We have compiled composition, luminosity, and binarity information for carbon-enhanced, metal-poor (CEMP) stars reported by recent studies. We divided the CEMP star sample into two classes having high and low abundances, respectively, of the s-process elements and consider the abundances of several isotopes, in particular,12C,13C, and14N, as well as the likely evolutionary stages of each star. Despite the fact that objects in both groups were selected from the same surveys (primarily the HK...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
Source: Astrophysical Journal, The
DOI: 10.1086/497282


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