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A high-spectral-resolution study of abundances and isotopic composition of BHB stars in NGC 6397 and NGC 6752
Published online by Cambridge University Press: 18 January 2010
Abstract
Large abundance anomalies have previously been detected in horizontal-branch B-type stars. We present the first high-resolution study of isotopic anomalies and chemical abundances in six horizontal-branch B-type stars in the globular clusters NGC 6397 and NGC 6752, carried out with UVES on the VLT and compare them to those observed in chemically peculiar main-sequence stars.
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- Copyright © International Astronomical Union 2010