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Chemical (in)homogeneity and atomic diffusion in the open cluster M 67

Liu, Fan; Asplund, Martin; Yong, David; Feltzing, Sofia; Dotter, Aaron; Melendez, J.; Ramirez, Ivan

Description

Context. The benchmark open cluster M 67 is known to have solar metallicity and an age similar to that of the Sun. It thus provides us with a great opportunity to study the properties of solar twins, as well as the evolution of Sun-like stars. Aims. Previous spectroscopic studies of M 67 reported possible subtle changes in stellar surface abundances throughout the stellar evolutionary phase, namely the effect of atomic diffusion. In this study we attempt to confirm and quantify more precisely...[Show more]

CollectionsANU Research Publications
Date published: 2019-07-10
Type: Journal article
URI: http://hdl.handle.net/1885/232528
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201935306
Access Rights: Open Access

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