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Evidence of fast rotation in dwarf elliptical galaxies

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dc.contributor.authorPedraz, S.
dc.contributor.authorGorgas García, Francisco Javier
dc.contributor.authorCardiel López, Nicolás
dc.contributor.authorSánchez Blázquez, Patricia
dc.contributor.authorGuzmán, R.
dc.date.accessioned2023-06-20T19:18:26Z
dc.date.available2023-06-20T19:18:26Z
dc.date.issued2002-05
dc.descriptionThis article has been accepted for publication in Monthly notices of the Royal Astronomical Society ©: 2002 RAS. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved. 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 in part by the Spanish Programa Nacional de Astronomía y Astrofísica under grant AYA2000-977.
dc.description.abstractIn this letter we investigate the kinematical properties of early-type dwarfs by significantly enlarging the scarce observational sample so far available. We present rotation curves and mean velocity dispersions for four bright dwarf ellipticals and two dwarf lenticular galaxies in the Virgo cluster. Most of these galaxies exhibit conspicuous rotation curves. In particular, five out of the six new galaxies are found to be close to the predictions for oblate spheroids flattened by rotation. Therefore, and contrary to the previous observational hints, the present data suggest that an important fraction of dwarf early-type galaxies may be rotationally supported.
dc.description.departmentDepto. de Física de la Tierra y Astrofísica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipSpanish Programa Nacional de Astronomía y Astrofísica
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/29841
dc.identifier.doi10.1046/j.1365-8711.2002.05565.x
dc.identifier.issn0035-8711
dc.identifier.officialurlhttp://dx.doi.org/10.1046/j.1365-8711.2002.05565.x
dc.identifier.relatedurlhttp://mnras.oxfordjournals.org/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/59505
dc.issue.number3
dc.journal.titleMonthly notices of the Royal Astronomical Society
dc.language.isoeng
dc.page.finalL63
dc.page.initialL59
dc.publisherWiley
dc.relation.projectIDAYA2000-977
dc.rights.accessRightsopen access
dc.subject.cdu52
dc.subject.keywordLine-strength indexes
dc.subject.keywordVirgo cluster
dc.subject.keywordSurface photometry
dc.subject.keywordPopulations
dc.subject.keywordKinematics
dc.subject.keywordEvolution
dc.subject.keywordDichotomy
dc.subject.keywordDynamics
dc.subject.keywordCatalog
dc.subject.keywordShapes
dc.subject.ucmAstronomía (Física)
dc.titleEvidence of fast rotation in dwarf elliptical galaxies
dc.typejournal article
dc.volume.number332
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