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