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693484.0 [No comment] 28.05.2018 16:41 Released

ID: 693484.0, MPI für Astronomie / Publikationen_mpia
3D view on Virgo and field dwarf elliptical galaxies: late-type origin and environmental transformations
Authors:Ryś, A.; Falcón-Barroso, J.; van de Ven, G.
Publisher:Sociedad Española de Astronomía
Date of Publication (YYYY-MM-DD):2013
Title of Proceedings:Highlights of Spanish Astrophysics VII
Start Page:373
End Page:378
Name of Conference/Meeting:X Scientific Meeting of the Spanish Astronomical Society (SEA)
Review Status:Internal review
Audience:Experts Only
Abstract / Description:We show the effects of environmental evolution on Virgo cluster and field dwarf elliptical galaxies (dEs), presenting the first large-scale integral-field spectroscopic data for this galaxy class. The great variety of morphological, kinematic, and stellar population parameters seen in our data supports the claim that dEs are defunct dwarf spiral/irregular galaxies and points to a formation scenario that allows for a stochastic shaping of galaxy properties. We further investigate the properties of our sample by analyzing its kinematic and dynamical properties. We compare the level of rotational support of dEs and giant early-type galaxies and show that the properties of the former largely resemble those of giant fast-rotators. Based on our data, no correlation exists between the level of rotational support in dEs and their location in the cluster. However, a tentative trend is seen in dark matter fraction: it increases for larger Virgocentric distances.
Comment of the Author/Creator:Date: 2013, May 1, 2013
External Publication Status:published
Document Type:Conference-Paper
Communicated by:N. N.
Affiliations:MPI für Astronomie
Identifiers:URL:http://cdsads.u-strasbg.fr/abs/2013hsa7.conf..373R [ID No:1]