Clusters of Galaxies
The C4 clustering algorithm: clusters of galaxies in the Sloan Digital Sky Survey
... of clusters (Lucey et ...finding clusters of galaxies in wavebands other than the ...of clusters from X–ray surveys of the sky (Edge & Stewart 1991; Gioia et ...of clusters using ...
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Reblinsky, Katrin (2000): Projection effects in clusters of galaxies. Dissertation, LMU München: Fakultät für Physik
... in clusters of galaxies on the cosmic mi- crowave background (CMB) radiation field, which is called the Sunyaev–Zel’dovich effect (Sunyaev & Zel’dovich, 1970, 1972, 1980), is one of the most important ...
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NIKA: a mm camera for Sunyaev-Zel’dovich science in clusters of galaxies
... of galaxies are the largest gravitationally bound objects in the Universe and trace the matter distribution across cosmological times ...[1]. Clusters are mainly made of dark matter (about 85% of their ...
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The ESO nearby Abell cluster survey. IV. The fundamental plane of clusters of galaxies
... rich clusters of galaxies. The 20 clusters with the most regular projected galaxy distributions appear to define a quite narrow FP, which is similar to the FP found by Schaeffer et ...between ...
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The Sunyaev-Zeldovich effect from clusters of galaxies
... method to structural properties, deriving the temperature profile of of RX J1347-1145 from NoBa and Chandra data. The study of X-ray and SZ scaling relations and structural prop- erties have extensively taken advantage ...
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Confirmation of NIKA2 investigation of the Sunyaev-Zel’dovich effect by using synthetic clusters of galaxies
... The simulated tSZ maps are jointly analyzed with the NIKA2 tSZ analysis pipeline based on a MCMC procedure to recover deprojected gNFW radial pressure profiles. The procedure has already been applied to PSZ2 G144.83 + ...
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On the distribution of dark matter in clusters of galaxies
... In addition, progress has been made by combining data sets. One example of this has been presented in this thesis: using strong lensing constraints simulta- neously with those from the velocity dispersion profile of the ...
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The Distribution of Rich Clusters of Galaxies
... effects of the projected distribution along the line of sight of images of galaxies at various distances, of galaxies belonging to clusters centered outside the photograph, and of galaxi[r] ...
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Kosyra, Ralf (2016): Environmental selection effects of Sunyaev Zel'dovich selected clusters of galaxies and instrumentation dedicated to the photometric study of large scale structure. Dissertation, LMU München: Fakultät für Physik
... red galaxies (LRG) with spectroscopic redshifts [Eisenstein et ...red galaxies, the LRGs are expected to show a similar clustering ...Planck clusters, a potential position dependence of the selection ...
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The Environment of z > 1 3CR Radio Galaxies and QSOs: From Proto-clusters to Clusters of Galaxies?
... radio galaxies ( RGs ) and nine quasars, with Hubble Space Telescope ( HST ) images in the optical and ...early-type galaxies ( ETGs ) in every fi eld by modeling each of the sources within a 40 ″ radius of ...
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Peering into the Past - Cosmology as a Tool for Constraining GR
... of galaxies or clusters of galaxies, the clustering properties of which can be directly related to the amplitude of fluctuations in the density field (under certain assumptions of how ...
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Cross-correlation of the unresolved X-ray background with faint galaxies
... Nevertheless, the angular distribution of the `bright' and `faint' correlation signals may indicate a clustered environment for a large fraction of the X-ray-emitting objects. We can exclude the possibility that the ...
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De Lucia, Gabriella (2004): Evolution of Galaxies in Clusters. Dissertation, LMU München: Fakultät für Physik
... then clusters of galaxies are made later in the Universe via the continuation of this grav- itational clustering ...galaxy clusters are formed via hierarchical merging of smaller structures in a ...
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Dark Matter and the Assembly History of Massive Galaxies and Clusters
... massive galaxies and clusters of galaxies, with the goal of understanding the physical processes that govern the observed structure and its ...of galaxies and is fundamental to our current ...
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Halkola, Aleksi (2007): Gravitational Lensing in Galaxy Cluster Abell 1689. Dissertation, LMU München: Fakultät für Physik
... A model often used in gravitational lensing for galaxies and clusters of galaxies is a singular isothermal sphere (SIS) (e.g. Gott & Gunn, 1974; Turner et al., 1984). SIS naturally reproduces the ...
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Cosmological Distances in Five General Cosmic Models
... Four cosmological distances were investigated in the light of the five general cosmic models which were developed in a previous study. These are the proper distance, luminosity distance, angular diameter distance and ...
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Why is "The Evolution of Stars" incorrect?
... stars, galaxies and clusters of galaxies, it is not difficult to conclude that the old theories are completely wrong and badly conceived mind ...
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A non Newtonian perspective of gravity : testing modified gravity theories in galaxies and galaxy clusters
... It is very common for galaxy clusters to be modelled in spherical symmetry. This assump- tion can be relaxed by modelling the Coma cluster as a triaxial system. However, this is unlikely to significantly affect ...
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The enhancement of rapidly quenched galaxies in distant clusters at 0 5 < z < 1 0
... quenched galaxies in cluster environments compared to the ...star-forming galaxies, which show a sharp radial decline towards cluster ...star-forming galaxies are rapidly quenched as they enter over- ...
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The Cluster-EAGLE project: global properties of simulated clusters with resolved galaxies
... calibrated against the observed galaxy stellar mass function, the field galaxy size–mass relation and the BH mass–stellar mass relation at low redshift. Following this, the model then yields broad agree- ment with, among ...
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