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Accurate abundance patterns of solar twins and analogs: Does the anomalous solar chemical composition come from planet formation?

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Ramirez, I; Melendez, Jorge; Asplund, Martin

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We derive the abundance of 19 elements in a sample of 64 stars with fundamental parameters very similar to solar, which minimizes the impact of systematic errors in our spectroscopic 1D-LTE differential analysis, using high-resolution (R ≃ 60000), high

dc.contributor.authorRamirez, I
dc.contributor.authorMelendez, Jorge
dc.contributor.authorAsplund, Martin
dc.date.accessioned2015-12-13T22:48:56Z
dc.identifier.issn0004-6361
dc.identifier.urihttp://hdl.handle.net/1885/80297
dc.description.abstractWe derive the abundance of 19 elements in a sample of 64 stars with fundamental parameters very similar to solar, which minimizes the impact of systematic errors in our spectroscopic 1D-LTE differential analysis, using high-resolution (R ≃ 60000), high
dc.publisherSpringer
dc.sourceAstronomy and Astrophysics
dc.subjectKeywords: Abundance ratios; Chemical compositions; Chemical evolution; Condensation temperature; Differential analysis; Elemental abundance; Estimated error; Fundamental parameters; High resolution; High signal-to-noise ratio; High-T; Host-stars; Planet formation; Planetary systems; Stars: abundances; Sun: abundances
dc.titleAccurate abundance patterns of solar twins and analogs: Does the anomalous solar chemical composition come from planet formation?
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume508
dc.date.issued2009
local.identifier.absfor020110 - Stellar Astronomy and Planetary Systems
local.identifier.ariespublicationf5625xPUB8574
local.type.statusPublished Version
local.contributor.affiliationRamirez, I, Max Planck Institute for Astrophysics
local.contributor.affiliationMelendez, Jorge, Centro de Astrofisica da Universidade do Porto
local.contributor.affiliationAsplund, Martin, College of Physical and Mathematical Sciences, ANU
local.description.embargo2037-12-31
local.bibliographicCitation.issue1
local.bibliographicCitation.startpageL17
local.bibliographicCitation.lastpageL20
local.identifier.doi10.1051/0004-6361/200913038
dc.date.updated2016-02-24T09:43:01Z
local.identifier.scopusID2-s2.0-71849096153
local.identifier.thomsonID000272417700003
CollectionsANU Research Publications

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