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Chemistry and binarity in the early Universe: what is the role of metal-poor AGB stars?
Published online by Cambridge University Press: 30 December 2019
Abstract
Carbon-enhanced metal-poor stars are probes of the early universe, that teach us about metal-poor AGB stars and supernovae physics in the very first stars. We find a large fraction of CEMP-no stars with large absolute carbon abundance to be in binary systems. This may be an indication of binary interaction with ultra or extremely metal-poor AGB stars, curiously without enhancement in s-process elements.
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- © International Astronomical Union 2019