Abundances and Kinematics of Extremely Metal-Deficient, Carbon-Rich Halo Stars

S. Tsangarides, Sean G. Ryan, T.C. Beers

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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To study the possible nucleosynthetic backgrounds of extremely metal-deficient, carbon-rich (EMDC) stars, we have conducted high-resolution spectroscopy of 26 candidate objects selected from HK-survey stars with [Fe/H]? -2.0. The aims of the analysis are: (a) to calculate abundances for the targets, including the CNO- and neutron-capture elements; (b) to monitor the radial velocities of the survey targets and another 17 bona fide EMDC stars to search for binarity.
Original languageEnglish
Title of host publicationProcs of CNO in the Universe
Subtitle of host publicationASP Conf Series 304
PublisherAstronomical Society of the Pacific
ISBN (Print)978-1-58381-637-0, 1-58381-153-2
Publication statusPublished - 2003


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