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Structural properties of dwarf ellipticals and the connection with (ordinary) elliptical galaxies

Graham, Alister

Description

This article reviews the popular reasons for the belief that dwarf elliptical galaxies and (ordinary) elliptical galaxies are distinct and separate species. They include: light-profile shape (or similarly image concentration); the magnitude-central surface brightness diagram; the magnitude-effective surface brightness diagram (or similarly the magnitude-effective radius diagram); and the Fundamental Plane. It is shown how a continuous trend between luminosity and a) light-profile shape, and b)...[Show more]

dc.contributor.authorGraham, Alister
dc.date.accessioned2015-12-13T22:52:11Z
dc.date.available2015-12-13T22:52:11Z
dc.identifier.isbn0521852048
dc.identifier.urihttp://hdl.handle.net/1885/81455
dc.description.abstractThis article reviews the popular reasons for the belief that dwarf elliptical galaxies and (ordinary) elliptical galaxies are distinct and separate species. They include: light-profile shape (or similarly image concentration); the magnitude-central surface brightness diagram; the magnitude-effective surface brightness diagram (or similarly the magnitude-effective radius diagram); and the Fundamental Plane. It is shown how a continuous trend between luminosity and a) light-profile shape, and b) central surface brightness (until the onest of core formation at MB ∼ -20.5 mag), results in a unification of the dwarf elliptical and (ordinary) elliptical galaxies. Neither the above four reasons, nor the luminosity function (at least in the Virgo cluster) provide evidence for a division at MB = -18 mag between the dwarf elliptical and (ordinary) elliptical galaxies. Instead, they appear to be continuous extensions of each other.
dc.publisherCambridge University Press
dc.relation.ispartofNear-field Cosmology with Dwarf Elliptical Galaxies
dc.relation.isversionof1st Edition
dc.subjectKeywords: Dwarf, galaxies; Elliptical and lenticular, cd, galaxies; Formation, galaxies; Fundamental parameters, galaxies; Galaxies; Luminosity function, galaxies; Structure
dc.titleStructural properties of dwarf ellipticals and the connection with (ordinary) elliptical galaxies
dc.typeBook chapter
local.description.notesImported from ARIES
local.description.refereedYes
dc.date.issued2005
local.identifier.absfor020110 - Stellar Astronomy and Planetary Systems
local.identifier.ariespublicationMigratedxPub9746
local.type.statusPublished Version
local.contributor.affiliationGraham, Alister, College of Physical and Mathematical Sciences, ANU
local.bibliographicCitation.startpage303
local.bibliographicCitation.lastpage310
local.identifier.doi10.1017/S1743921305003960
dc.date.updated2016-02-24T09:49:58Z
local.bibliographicCitation.placeofpublicationCambridge, UK
local.identifier.scopusID2-s2.0-63549090961
CollectionsANU Research Publications

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