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Metal-poor stars observed with the Magellan telescope. I. Constraints on progenitor mass and metallicity of AGB stars undergoing s-process nucleosynthesis

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Placco, Vinicius M.; Frebel, Anna; Beers, Timothy C; Karakas, Amanda; Kennedy, Catherine; Rossi, Silvia; Christlieb, Norbert; Stancliffe, R J

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We present a comprehensive abundance analysis of two newly discovered carbon-enhanced metal-poor (CEMP) stars. HE 2138-3336 is a s-process-rich star with [Fe/H] = -2.79, and has the highest [Pb/Fe] abundance ratio measured thus far, if non-local thermodyn

dc.contributor.authorPlacco, Vinicius M.
dc.contributor.authorFrebel, Anna
dc.contributor.authorBeers, Timothy C
dc.contributor.authorKarakas, Amanda
dc.contributor.authorKennedy, Catherine
dc.contributor.authorRossi, Silvia
dc.contributor.authorChristlieb, Norbert
dc.contributor.authorStancliffe, R J
dc.date.accessioned2015-12-13T22:24:51Z
dc.identifier.issn0004-637X
dc.identifier.urihttp://hdl.handle.net/1885/72948
dc.description.abstractWe present a comprehensive abundance analysis of two newly discovered carbon-enhanced metal-poor (CEMP) stars. HE 2138-3336 is a s-process-rich star with [Fe/H] = -2.79, and has the highest [Pb/Fe] abundance ratio measured thus far, if non-local thermodyn
dc.publisherIOP Publishing
dc.sourceAstrophysical Journal, The
dc.subjectKeywords: Galaxy: halo; stars: abundances; stars: atmospheres; stars: Population II; techniques: spectroscopic
dc.titleMetal-poor stars observed with the Magellan telescope. I. Constraints on progenitor mass and metallicity of AGB stars undergoing s-process nucleosynthesis
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume770
dc.date.issued2013
local.identifier.absfor020110 - Stellar Astronomy and Planetary Systems
local.identifier.ariespublicationf5625xPUB3496
local.type.statusPublished Version
local.contributor.affiliationPlacco, Vinicius M., Universidade de Sao Paulo
local.contributor.affiliationFrebel, Anna, Massachusetts Institute of Technology
local.contributor.affiliationBeers, Timothy C, National Optical Astronomy Observatory
local.contributor.affiliationKarakas, Amanda, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationKennedy, Catherine, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationRossi, Silvia, Universidade de Sao Paulo
local.contributor.affiliationChristlieb, Norbert, University of Hamburg
local.contributor.affiliationStancliffe, R J, Universitat Bonn
local.description.embargo2037-12-31
local.bibliographicCitation.issue2
local.bibliographicCitation.startpage22
local.identifier.doi10.1088/0004-637X/770/2/104
dc.date.updated2016-02-24T09:12:30Z
local.identifier.scopusID2-s2.0-84878800511
local.identifier.thomsonID000320111200022
CollectionsANU Research Publications

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