Carbon‐enhanced Metal‐poor Stars. I. Chemical Compositions of 26 Stars

Aoki, Wako; C. Beers, Timothy; Christlieb, N.; E. Norris, John; G. Ryan, Sean; Tsangarides, Stelios

doi:10.1086/509817

Public

Carbon‐enhanced Metal‐poor Stars. I. Chemical Compositions of 26 Stars

Published in The Astrophysical Journal • Jan 20, 2007

Authors:

Wako Aoki

Timothy C. Beers

N. Christlieb

Abstract

The chemical compositions of 26 metal-poor stars that exhibit strong CH and/or C 2 molecular bands are determined. Twenty-two stars in our sample satisfy our definition for carbon-enhanced metal-poor (CEMP) stars based on the carbon abundance ratio ([C/Fe]) and the evolutionary status. In addition, ...

Subject

Stars

Astrophysics

Metallicity

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