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The Gaia-ESO Survey: Empirical determination of the precision of stellar radial velocities and projected rotation velocities

Jackson, R. J.; Jeffries, R. D.; Lewis, J.; Koposov, Sergey; Sacco, G. G.; Randich, S.; Gilmore, G; Asplund, Martin; Lanzafame, C; Frasca, A; Damiani, F; Franciosini, E; Cottaar, M; Sousa, S; Tabernero, H.M.; Klutsch, A; Spina, L; Biazzo, K; Feltzing, Sofia; Rix, Hans-Walter; Bensby, T; Bragaglia, Angela; Pancino, E; Magrini, Laura; Marconi, G; Sbordone, L

Description

Context. The Gaia-ESO Survey (GES) is a large public spectroscopic survey at the European Southern Observatory Very Large Telescope. Aims. A key aim is to provide precise radial velocities (RVs) and projected equatorial velocities (v sin i) for representative samples of Galactic stars, which will complement information obtained by the Gaia astrometry satellite. Methods. We present an analysis to empirically quantify the size and distribution of uncertainties in RV and v sin i using spectra from...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/152029
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201526248
Access Rights: Open Access

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