Omega Centauri: weak MgH band in red giants directly traces the helium content
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DOI: 10.1093/mnras/staa1081
Abstract: High spectral resolution and high signal-to-noise ratio optical spectra of red giants in the globular cluster Omega Centauri are analysed for stellar parameters and chemical abundances of 15 elements including helium by either line equivalent… read more here.
Keywords: mgh; centauri weak; red giants; omega centauri ... See more keywords