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Stellar chemical abundances: In pursuit of the highest achievable precision

Bedell, Megan; Melendez, Jorge; Bean, Jacob; Ramirez, Ivan; Leite, Paulo; Asplund, Martin

Description

The achievable level of precision on photospheric abundances of stars is a major limiting factor on investigations of exoplanet host star characteristics, the chemical histories of star clusters, and the evolution of the Milky Way and other galaxies. While model-induced errors can be minimized through the differential analysis of spectrally similar stars, the maximum achievable precision of this technique has been debated. As a test, we derive differential abundances of 19 elements from...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/75720
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/795/1/23

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