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Gaia FGK benchmark stars: new candidates at low-metallicities

Hawkins, Keith; Jofre, Paula; Heiter, Ulrike; Soubiran, Caroline; Blanco-Cuaresma, Sergi; Casagrande, Luca; Gilmore, Gerry; Lind, Karin; Magrini, Laura; Masseron, Thomas; Pancino, Elena; Randich, Sofia; Worley, Clare C.


CONTEXT. We have entered an era of large spectroscopic surveys in which we can measure, through automated pipelines, the atmospheric parameters and chemical abundances for large numbers of stars. Calibrating these survey pipelines using a set of “benchmark stars” in order to evaluate the accuracy and precision of the provided parameters and abundances is of utmost importance. The recent proposed set of Gaia FGK benchmark stars has up to five metal-poor stars but no recommended stars within...[Show more]

CollectionsANU Research Publications
Date published: 2016-08
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201628268


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