Revisiting ΔY/ΔZ from multiple main sequences in globular clusters: insight from nearby stars
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Portinari, Laura
Casagrande, Luca
Flynn, Chris
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Blackwell Publishing Ltd
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For nearby K dwarfs, the broadening of the observed main sequence (MS) at low metallicities is much narrower than expected from isochrones with the standard helium-to-metal enrichment ratio ΔY/ΔZ ∼ 2. Though the latter value fits well the MS around so
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Monthly Notices of the Royal Astronomical Society
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Restricted until
2037-12-31