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The Hyades open cluster is chemically inhomogeneous

Liu, Fan; Yong, David; Asplund, Martin; Ramirez, I; Melendez, Jorge


We present a high-precision differential abundance analysis of 16 solar-type stars in the Hyades open cluster based on high resolution, high signal-to-noise ratio (S/N ≈ 350 - 400) spectra obtained from the McDonald 2.7m telescope. We derived stellar parameters and differential chemical abundances for 19 elements (C, O, Na, Mg, Al, Si, S, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, and Ba) with uncertainties as low as ∼ 0.01 - 0.02 dex. Our main results include: (1) There is no clear chemical...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stw247
Access Rights: Open Access


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