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Gaseous-phase metallicities and stellar populations in the centres of barred galaxies

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dc.contributor.authorSánchez Blázquez, Patricia
dc.contributor.authorGorgas García, Francisco Javier
dc.contributor.authorCacho Martínez, Raúl
dc.contributor.authorPerez, I.
dc.date.accessioned2023-06-19T13:27:20Z
dc.date.available2023-06-19T13:27:20Z
dc.date.issued2014-08-11
dc.descriptionThis is a pre-copyedited, author-produced PDF of an article accepted for publication in Monthly notices of the Royal Astronomical Society following peer review. The version of record Gaseous-phase metallicities and stellar populations in the centres of barred galaxies is available online at: http://arxiv.org/pdf/1406.6885.pdf. © 0000 RAS. We received financial support through the Spanish research project AYA2010-21322-C03-03, from the Spanish Ministerio de Economía y Competitividad. PSB is supported by the Ministerio de Economía y Competitividad (MINECO) through its Ramón y Cajal program. IP acknowledges the support by the Spanish Ministerio de Economía y Competitividad (MINECO) (via grants AYA2010-21322-C03-02, AYA2010-21322-C03-03, AYA2007-67625-C02-02 and Consolider-Ingenio CSD2010-00064) and by the Junta de Andalucia (FQM-108).
dc.description.abstractNumerical simulations predict that bars represent a very important agent for triggering gas inflows, which in turn could lead to central star formation. Bars thus are thought to contribute to the formation of the bulge. This process changes both the gaseous-phase and the stellar-phase metallicities in the centres of galaxies. With the aim of quantifying the importance of this process, we present a comparative study of the gaseous-phase and stellar-phase metallicities in the centres of members of a sample of barred and unbarred galaxies from SDSS. We do not find a significant difference in the metallicity (neither gaseous nor stellar) between barred and unbarred galaxies, but we find different trends in the metallicities of early- and late-type galaxies, with larger differences in the metallicity in the early-type subsample. Our results contradict some previous research in this field, but we find a possible origin of the discrepancies between previous works and our results.
dc.description.departmentDepto. de Física de la Tierra y Astrofísica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Economia y Competitividad (MINECO)
dc.description.sponsorshipJunta de Andalucía
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/28067
dc.identifier.doi10.1093/mnras/stu935
dc.identifier.issn0035-8711
dc.identifier.officialurlhttp://arxiv.org/pdf/1406.6885.pdf
dc.identifier.urihttps://hdl.handle.net/20.500.14352/33749
dc.issue.number3
dc.journal.titleMonthly notices of the Royal Astronomical Society
dc.language.isoeng
dc.page.final2510
dc.page.initial2496
dc.publisherWiley
dc.relation.projectIDAYA2010-21322-C03-03
dc.relation.projectIDFQM-108
dc.relation.projectIDAYA2010-21322-C03-02
dc.relation.projectIDAYA2007-67625-C02-02
dc.relation.projectIDCSD2010-00064
dc.rights.accessRightsopen access
dc.subject.cdu52
dc.subject.keywordDigital Sky Survey
dc.subject.keywordResolution Galactic Spectra
dc.subject.keywordMaximum A-Posteriori
dc.subject.keywordSpiral Galaxies
dc.subject.keywordStar-Formation
dc.subject.keywordDynamical Friction
dc.subject.keywordDisk Galaxies
dc.subject.keywordStarburst Galaxies
dc.subject.keywordSecular Evolution
dc.subject.keywordFormation History
dc.subject.ucmAstrofísica
dc.subject.ucmAstronomía (Física)
dc.subject.ucmFísica atmosférica
dc.subject.unesco2501 Ciencias de la Atmósfera
dc.titleGaseous-phase metallicities and stellar populations in the centres of barred galaxies
dc.typejournal article
dc.volume.number442
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