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]
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