Publication:
Line strengths and line strength gradients in bulges along the Hubble sequence

dc.contributor.authorGoudfrooij, Paul
dc.contributor.authorGorgas García, Francisco Javier
dc.contributor.authorJablonka, Pascale
dc.date.accessioned2023-06-20T20:14:41Z
dc.date.available2023-06-20T20:14:41Z
dc.date.issued1999
dc.description© 2000 Kluwer Academic Publishers. We thank the referee, Richard de Grijs, for his timely and critical review of this paper. We are grateful to Nicolás Cardiel for his help with the REDucm E package, and to Harold Kuntschner for giving access to his data in electronic form.
dc.description.abstractWe present first results of a comprehensive survey of deep long-slit spectra along the minor axis of bulges of edge-on spiral galaxies. Our results indicate that stellar populations in bulges are fairly old and encompass a range of metallicities. The luminosity-weighted ages of bulges range from those found for cluster ellipticals to slightly 'younger' (by up to only a few Gyr, however). Their alpha/Fe element ratio is typically supersolar, consistent with those found in giant ellipticals. The radial line-strength gradients in bulges correlate with bulge luminosity. Generally, these findings are more compatible with predictions of the 'dissipative collapse' model than with those of the 'secular evolution' model.
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/37434
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dc.identifier.doi10.1023/A:1017015808447
dc.identifier.issn0004-640X
dc.identifier.officialurlhttp://dx.doi.org/10.1023/A:1017015808447
dc.identifier.relatedurlhttp://arxiv.org/abs/astro-ph/9910020
dc.identifier.relatedurlhttp://link.springer.com/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/59929
dc.journal.titleAstrophysics and space science
dc.language.isoeng
dc.page.final116
dc.page.initial109
dc.publisherSpringer
dc.rights.accessRightsopen access
dc.subject.cdu52
dc.subject.keywordEarly-type galaxies
dc.subject.keywordSpiral galaxies
dc.subject.keywordElliptic galaxies
dc.subject.keywordBarred galaxies
dc.subject.keywordStellar
dc.subject.keywordindexes
dc.subject.keywordColors
dc.subject.keywordMG
dc.subject.ucmAstrofísica
dc.subject.ucmAstronomía (Física)
dc.titleLine strengths and line strength gradients in bulges along the Hubble sequence
dc.typejournal article
dc.volume.number269
dspace.entity.typePublication
relation.isAuthorOfPublicationd04f839b-2a80-4859-a493-3f0a9df4277f
relation.isAuthorOfPublication.latestForDiscoveryd04f839b-2a80-4859-a493-3f0a9df4277f
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