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Stellar population gradients in bulges along the Hubble sequence - I. The data

dc.contributor.authorGorgas García, Francisco Javier
dc.contributor.authorJablonka, P.
dc.contributor.authorGoudfrooij, P.
dc.date.accessioned2023-06-20T11:12:52Z
dc.date.available2023-06-20T11:12:52Z
dc.date.issued2007-11
dc.description© ESO 2007. We are grateful to Nicolás Cardiel for his help in technical issues in the reduction process. The INT is operated on the island of La Palma by the Royal Greenwich Observatory at the Observatorio del Roque de los Muchachos of the Instituto de Astrofísica de Canarias. This work was supported by the Spanish research project AYA 2003-01840.
dc.description.abstractThis is the first paper presenting our long-term project aimed at studying the nature of bulges through analyzing their stellar population gradients. We present deep spectroscopic observations along the minor axis and the data reduction for a sample of 32 bulges of edge-on spiral galaxies. We explain in detail our procedures for measuring their dynamical parameters (rotation curves and velocity dispersion profiles) and line-strength indices, including the conversion to the Lick/IDS system. Tables giving the values of the dynamical parameters and line-strength indices at each galactocentric radius are presented (in electronic form) for each galaxy of the sample. The derived line-strength gradients from this dataset will be analyzed in a forthcoming paper to set constraints on the different scenarios for the formation of the bulges.
dc.description.departmentDepto. de Física de la Tierra y Astrofísica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/36910
dc.identifier.doi10.1051/0004-6361:20066690
dc.identifier.issn0004-6361
dc.identifier.officialurlhttp://dx.doi.org/10.1051/0004-6361:20066690
dc.identifier.relatedurlhttp://www.aanda.org/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/51837
dc.issue.number3
dc.journal.titleAstronomy & Astrophysics
dc.language.isoeng
dc.page.final1092
dc.page.initial1081
dc.publisherEDP Sciencies
dc.relation.projectIDAYA 2003-01840
dc.rights.accessRightsopen access
dc.subject.cdu52
dc.subject.keywordEarly-type galaxies
dc.subject.keywordLine-strength gradients
dc.subject.keywordDynamically hot galaxies
dc.subject.keywordSpiral galaxies
dc.subject.keywordStar-formation
dc.subject.keywordSpectrophotometric standards
dc.subject.keywordDifferent environments
dc.subject.keywordStructural-properties
dc.subject.keywordVelocity dispersions
dc.subject.keywordLenticular galaxies
dc.subject.ucmAstrofísica
dc.subject.ucmAstronomía (Física)
dc.titleStellar population gradients in bulges along the Hubble sequence - I. The data
dc.typejournal article
dc.volume.number474
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relation.isAuthorOfPublication.latestForDiscoveryd04f839b-2a80-4859-a493-3f0a9df4277f

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