Observational constraints on the age-metallicity relation from white dwarf-Main sequence binaries

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/127372

dc.contributor	Universitat Politècnica de Catalunya. Departament de Física
dc.contributor	Universitat Politècnica de Catalunya. GAA - Grup d'Astronomia i Astrofísica
dc.contributor.author	Rebassa Mansergas, Alberto
dc.contributor.author	García-Berro Montilla, Enrique
dc.contributor.author	Torres Gil, Santiago
dc.contributor.author	Anguiano, B.
dc.contributor.author	Manser, C. J.
dc.contributor.author	Gänsicke, Boris T.
dc.contributor.author	Liu, X.
dc.date	2017
dc.identifier.citation	Rebassa, A., García-Berro, E., Torres, S., Anguiano, B., Manser, C., Gänsicke, B. T., Liu, X. Observational constraints on the age-metallicity relation from white dwarf-Main sequence binaries. "20th European White Dwarf Workshop: proceedings of a conference held at University of Warwick, Coventry, West Midlands, United Kingdom, 25-29 July 2016", 2017, p. 481-486.
dc.identifier.citation	978-1-583813-903-6
dc.identifier.uri	http://hdl.handle.net/2117/127372
dc.language.iso	eng
dc.publisher	Astronomical Society of the Pacific Conference Series (ASP)
dc.relation	info:eu-repo/grantAgreement/ES/AYA2014- 59084-P
dc.relation	info:eu-repo/grantAgreement/EC/FP/2007-2013/ERC Grant Agreement n.320964 (WDTracer)
dc.relation	info:eu-repo/grantAgreement/National Key Basic Research Program of China (2014CB845700)
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Física::Astronomia i astrofísica
dc.subject	White dwarfs stars
dc.subject	Estels nans
dc.title	Observational constraints on the age-metallicity relation from white dwarf-Main sequence binaries
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	The age-metallicity relation (AMR) is a fundamental observational property to understand how the Galactic disc formed and evolved chemically in time. However, there is not yet a consensus on the observed properties of the AMR for the solar neighbourhood. This is due primarily to the difficulty of obtaining precise stellar ages for individual field stars. We have started an observational campaign to provide the much needed observational AMR by using white dwarf-main sequence (WDMS) binaries. White dwarfs are natural clocks and can be used to derive accurate ages. Metallicities can be obtained from the main sequence companions. Since white dwarfs and main sequence stars in these binary systems are coeval, these binaries provide an unique opportunity to observationally determine in a robust way the AMR. Here we present the AMR derived from the analysis of a sample of 23 WDMS binaries
dc.description.abstract	Peer Reviewed

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