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Related papers: The Sizes of Early-type Galaxies

200 papers

abridged: We use a complete sample of about 140,000 galaxies from the Sloan Digital Sky Survey (SDSS) to study the size distribution of galaxies and its dependence on their luminosity, stellar mass, and morphological type. The large SDSS…

Early-type dwarf galaxies are not simply featureless, old objects, but were found to be much more diverse, hosting substructures and a variety of stellar population properties. To explore the stellar content of faint early-type galaxies,…

In this study we investigate the optical photometric properties of early-type galaxies in the Virgo cluster core region, by analysing their location on the colour magnitude relation (CMR) and the structural scaling relations down to faint…

Cosmology and Nongalactic Astrophysics · Physics 2011-12-01 Stefan Lieder , Thorsten Lisker , Michael Hilker , Ingo Misgeld , Patrick Durrell

We study stellar population parameters of a sample of 13 dwarf galaxies located in poor groups of galaxies using high resolution spectra observed with VIMOS at the ESO-VLT. LICK-indices were compared with Simple Stellar Population models to…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 R. Grützbauch , F. Annibali , R. Rampazzo , A. Bressan , W. W. Zeilinger

We analyze the luminosity function of the globular clusters (GCs) belonging to the early-type galaxies observed in the ACS Virgo Cluster Survey. We have obtained estimates for a Gaussian representation of the GC luminosity function (GCLF)…

In this Paper 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…

Astrophysics · Physics 2016-08-30 S. Pedraz , J. Gorgas , N. Cardiel , P. Sanchez-Blazquez , R. Guzman

According to the Cold Dark Matter (CDM) hierarchical clustering theory of galaxy and large scale structure formation, there should be numerous low mass dark matter haloes present in the Universe today. If these haloes contain sufficient…

Astrophysics · Physics 2009-11-10 S. Roberts , J. Davies , S. Sabatini , W. van Driel , K. O'Neil , M. Baes , S. Linder , R. Smith , Rh. Evans

From a quantitative analysis of 413 Virgo cluster early-type dwarf galaxies (dEs) with Sloan Digital Sky Survey imaging data, we find that the dE class can be divided into multiple subpopulations that differ significantly in their…

Astrophysics · Physics 2008-11-26 Thorsten Lisker , Eva K. Grebel , Bruno Binggeli , Katharina Glatt

We analyse the properties of the early-type dwarf galaxy population in the Hydra I cluster. We investigate the galaxy luminosity function (LF), the colour-magnitude relation (CMR), and the magnitude-surface brightness relation down to…

Astrophysics · Physics 2009-11-13 I. Misgeld , S. Mieske , M. Hilker

Recent work suggests that rich clusters of galaxies commonly have large populations of dwarf (i.e. low luminosity) members, that is their luminosity function (LF) turns up to a steep slope at the faint end. This population, or more…

Astrophysics · Physics 2009-10-30 S. Phillipps , S. P. Driver , W. J. Couch , R. M. Smith

We present the discovery of rotation in quenched, low-mass early-type galaxies that are isolated. This finding challenges the claim that (all) rotating dwarf early-type galaxies in clusters were once spiral galaxies that have since been…

Astrophysics of Galaxies · Physics 2017-05-03 Joachim Janz , Samantha J. Penny , Alister W. Graham , Duncan A. Forbes , Roger L. Davies

We use a combination of deep optical and near-infrared light profiles for a morphologically diverse sample of Virgo cluster galaxies to study the radially-resolved stellar populations of cluster galaxies over a wide range of galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 Joel C. Roediger , Stephane Courteau , Lauren A. MacArthur , Michael McDonald

Properties of 53 globular cluster systems are investigated. Strong correlations are found between parent galaxy luminosity and both the slope of the radial density profile for clusters and the width of the cluster color (metallicity)…

Astrophysics · Physics 2009-10-30 Sidney van den Bergh

Data are presently available on the luminosities and half-light radii of 101 globular clusters associated with low-luminosity parent galaxies. The luminosity distribution of globulars embedded in dwarf galaxies having $M_{v} > -16$ is found…

Astrophysics · Physics 2009-11-11 Sidney van den Bergh

A magnitude limited sample of nearly 9000 early-type galaxies, in the redshift range 0.01 < z < 0.3, was selected from the Sloan Digital Sky Survey using morphological and spectral criteria. The sample was used to study how early-type…

We present the results of a Keck-ESI study of dwarf galaxies across a range of environment: the Perseus Cluster, the Virgo Cluster, the NGC 1407 group, and the NGC 1023 group. Eighteen dEs are targeted for spectroscopy, three for the first…

Astrophysics of Galaxies · Physics 2015-09-23 Samantha J. Penny , Joachim Janz , Duncan A. Forbes , Andrew J. Benson , Jeremy Mould

The size-luminosity relation of early-type Brightest Cluster Galaxies (BCGs), R_e ~ L^0.88, is steeper than that for the bulk of the early-type galaxy population, for which R_e ~ L^0.68. In addition, although BCGs are hardly offset from the…

Astrophysics · Physics 2008-11-26 M. Bernardi , J. B. Hyde , R. K. Sheth , C. J. Miller , R. C. Nichol

We calculate the spatial two-point auto and cross-correlation functions for the 765 galaxies with Rc<21.5 and 0.1<z<0.51 in the ESO-Sculptor survey, and explore the segregation effects among the populations of giant (early-type, late…

Astrophysics · Physics 2009-11-13 Valerie De Lapparent , Eric Slezak

(Abridged) The ACS Virgo Cluster Survey is an HST program to obtain high-resolution, g and z-band images for 100 early-type members of the Virgo Cluster, spanning a range of ~460 in blue luminosity. Based on this large, homogeneous dataset,…

We report on a complete CCD imaging survey of 226 elliptical galaxies in the North-East quadrant of the Virgo cluster, representative of the properties of giant and dwarf elliptical galaxies in this cluster. We fit their radial light…

Astrophysics · Physics 2009-11-10 G. Gavazzi , A. Donati , O. Cucciati , S. Sabatini , A. Boselli , J. Davies , S. Zibetti