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The Gaia-ESO Survey: Hydrogen lines in red giants directly trace stellar mass

Bergemann, Maria; Serenelli, Aldo; Schönrich, Ralph; Ruchti, G R; Korn, A. J.; Hekker, S.; Kovalev, Mikhail; Mashonkina, L.; Gilmore, G; Randich, S.; Asplund, Martin; Rix, Hans-Walter; Magrini, Laura; Damiani, F

Description

Red giant stars are perhaps the most important type of stars for Galactic and extra-galactic archaeology: they are luminous, occur in all stellar populations, and their surface temperatures allow precise abundance determinations for many different chemical elements. Yet, the full star formation and enrichment history of a galaxy can be traced directly only if two key observables can be determined for large stellar samples: age and chemical composition. While spectroscopy is a powerful method to...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
URI: http://hdl.handle.net/1885/152046
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201528010
Access Rights: Open Access

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