STRUCTURE AND FORMATION OF ELLIPTICAL AND SPHEROIDAL GALAXIES [PDF]
, 2008 New surface photometry of all known elliptical galaxies in the Virgo cluster is combined with published data to derive composite profiles of brightness, ellipticity, position angle, isophote shape, and color over large radius ranges. These provide enough
J. Kormendy +3 more
semanticscholar +1 more source
Deviations of the Light Distribution from the Sersic's model in Elliptical galaxies [PDF]
مجلة التربية والعلم, 1999 : The surface brightness profiles of 46 elliptical galaxies, belong to Coma Cluster of galaxies have been fitted by the generalized Sersic r1/n – law for the intermediate radius range .
Omar Saleh, Saad Youins
doaj +1 more source
The SLUGGS Survey: Trails of SLUGGS galaxies in a modified spin-ellipticity diagram [PDF]
, 2017 We present radial tracks for four early-type galaxies with embedded intermediate-scale discs in a modified spin-ellipticity diagram. Here, each galaxy's spin and ellipticity profiles are shown as a radial track, as opposed to a single, flux-weighted aperture-dependent value as is common in the literature.
arxiv +1 more source
Structural properties of pseudo-bulges, classical bulges and elliptical galaxies: a Sloan Digital Sky Survey perspective [PDF]
, 2008 We have performed 2D bulge/bar/disc decompositions using g, r and i-band images of a representative sample of nearly 1000 galaxies from the Sloan Digital Sky Survey.
D. Gadotti
semanticscholar +1 more source
A Photometric Study of Giant Ellipticals and Their Stellar Halos With VST
Galaxies, 2017 Observations of diffuse starlight in the outskirts of galaxies are thought to be a fundamental source of constraints on the cosmological context of galaxy assembly in the Λ CDM model.
Marilena Spavone +10 more
doaj +1 more source
Polytropic dark haloes of elliptical galaxies [PDF]
, 2010 The kinematics of stars and planetary nebulae in early-type galaxies provide vital clues to the enigmatic physics of their dark matter haloes. We fit published data for 14 such galaxies using a spherical, self-gravitating model with two components: (i) a
C. Saxton +2 more
semanticscholar +1 more source
The Absence of Passively Evolving Ellipticals in Deep Optical and Near-Infrared Surveys [PDF]
arXiv, 1997 The traditional view of elliptical galaxies has been that they formed in a single, rapid burst of star formation at high redshift, and have evolved quiescently since that time. In opposition to this traditional view is evidence that at least some elliptical galaxies have formed from the merger of two disk galaxies.
arxiv
Spectroscopy and photometry of elliptical galaxies. I: a new distance estimator
, 1987 On presente des donnees cinematiques et photometriques concernant 97 galaxies elliptiques, membres de six amas ...
A. Dressler +6 more
semanticscholar +1 more source
Evidence for spin alignment of spiral and elliptical/S0 galaxies in filaments [PDF]
, 2012 Galaxies are not distributed randomly in the cosmic web but are instead arranged infilaments and sheets surrounding cosmic voids. Observationally there is still no con-vincing evidence of a link between the properties of galaxies and their host structures.
E. Tempel +4 more
semanticscholar +1 more source
Galaxy Formation from the Primordial Black Holes
EPJ Web of Conferences, 2017 Supermassive black hole (SMBH) of size MBH = 106-10M⊙ is common in the Universe and it defines the center of the galaxy. A galaxy and the SMBH are generally thought to have co-evolved.
Morikawa Masahiro
doaj +1 more source