Results 31 to 40 of about 5,149 (236)
Elliptical Galaxies with Shells [PDF]
A considerable number of otherwise normal elliptical galaxies show sharp edged, low surface brightness concentric features, often at very large radii from the parent galaxy. Features like this are visible in some of the photographs presented by Arp (1966).
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The Outside‐In Formation of Elliptical Galaxies [PDF]
15 pages, 10 figures, ApJ ...
Cristina Chiappini +3 more
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Observational evidence and many numerical simulations show the existence of winds (i.e., uncollimated outflows) in the accretion systems of elliptical galaxy centers.
Razieh Ranjbar, Shahram Abbassi
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A FUNDAMENTAL LINE FOR ELLIPTICAL GALAXIES [PDF]
6 pages, 2 figures, 1 table. Accepted for publication in ApJL. Higher resolution figures available at http://www.bo.astro.it/~nair/Morphology/
Roberto Abraham +3 more
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Fundamental Plane of Elliptical Galaxies in f(R) Gravity: The Role of Luminosity
The global properties of elliptical galaxies are connected through the so-called fundamental plane of ellipticals, which is an empirical relation between their parameters: effective radius, central velocity dispersion and mean surface brightness within ...
Vesna Borka Jovanović +3 more
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Most stellar-dynamical determinations of the masses of nearby supermassive black holes (SMBHs) have been obtained with the orbit superposition technique under the assumption of axisymmetry.
Matthew E. Quenneville +2 more
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Elliptical Galaxy Dynamics [PDF]
97 Latex pages, 14 Postscript figures, uses aastex.
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Cold gas in elliptical galaxies [PDF]
We explore the evolution of the cold gas (molecular and neutral hydrogen) of elliptical galaxies and merger remnants ordered into a time sequence on the basis of spectroscopic age estimates. We find that the fraction of cold gas in early merger remnants decreases significantly for ~1-2Gyr, but subsequent evolution toward evolved elliptical systems sees
Georgakakis, Antonis +5 more
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The formation history of elliptical galaxies [PDF]
We take advantage of the largest high-resolution simulation of cosmic structure growth ever carried out -- the Millennium Simulation of the concordance LambdaCDM cosmogony -- to study how the star formation histories, ages and metallicities of elliptical galaxies depend on environment and on stellar mass.
De Lucia, G. +4 more
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Abundance ratios in dwarf elliptical galaxies [PDF]
We determine abundance ratios of 37 dwarf ellipticals (dEs) in the nearby Virgo cluster. This sample is representative of the early-type population of galaxies in the absolute magnitude range -19.0 < Mr < -16.0. We analyze their absorption line-strength indices by means of index-index diagrams and scaling relations and use the stellar population ...
Jesús Falcón-Barroso +21 more
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