Galaxies and Galaxy Clusters
Regulation of Star Formation Amidst Heating and Cooling in Galaxies and Galaxy Clusters
... some galaxy clusters (cool-core clusters), the gas properties of which are not explained by AGN heating models ...cool-core clusters A2597 and ...
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Galaxies, Cosmology and Gravitation: On Escaping Galaxy Clusters in Accelerating Universes
... transformed. Clusters of galaxies, some of the largest gravitationally-bound objects in our universe containing hundreds of galaxies, have been fruitful sites from which to study the consequences of ...
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Looking Wider and Further: The Evolution of Galaxies Inside Galaxy Clusters.
... CHAPTER 2 Detecting Cluster Galaxies 2.1 Topic Introduction While deep optical images greatly facilitate the detection and measurement of clusters, they present some data processing challenges. There exist ...
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Dusty Star Formation in Extreme Environments: Galaxies and Galaxy Clusters in the Distant Universe
... spectroscopically-confirmed clusters at z = 1 − ...cluster galaxies down to SFR∼ > 80 M ⊙ yr −1 ...cluster galaxies at high redshift. We find that our cluster galaxies can be well described by ...
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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 ...
201
Zibetti, Stefano (2004): Diffuse stellar components in galaxies and galaxy clusters. Dissertation, LMU München: Fakultät für Physik
... disk galaxies are made of metal-poor stars, or that they result from the integrated light of globular cluster ...spheroidal galaxies, made of old, metal enriched stars, are tidally disrupted by the ...
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The abundance and spatial distribution of ultra-diffuse galaxies in nearby galaxy clusters
... dwarf galaxies, see ...dwarf galaxy distribution in the same radial bins as ...dwarf galaxies is much lower than that of the larger UDGs, even after applying the colour ...background galaxies ...
12
Comparing gravitational redshifts of SDSS galaxy clusters with the magnified redshift enhancement of background BOSS galaxies
... First, we detect a gravitational redshift related signal for 20,119 and 13,128 clusters with spectroscopic redshifts contained in the Gaussian Mixture Brightest Cluster Galaxy (GMBCG) an[r] ...
14
Galaxy clusters with the Square Kilometer Array
... The SKA will provide unique high-resolution and high-sensitivity radio observations of cluster-scale emission over a wide range of frequencies, allowing for a thorough investigation of the connection between thermal and ...
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The Assembly of Massive Galaxy Clusters
... into galaxy evolution in the cluster and intercluster filamentary environments, and follow the evolution of the large scale structure of the universe over 4 billion ...to galaxy survey data from the Sloan ...
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Optical detection of galaxy clusters
... first galaxy cluster was unknowingly detected by Charles Messier, who recorded the positions of 11 nebulae in the Virgo cluster in the 18 th ...of clusters of galaxies was provided in the work of ...
226
Multi-Wavelength Facets of Galaxy Clusters
... 1.5 The Key Role of Scientific Computing in Modern Cosmology The Onset of Cosmological Simulations. During the 1970’s and 1980’s, sci- entists tried to piece together the jigsaw puzzle of how the hot big bang model can ...
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The impact of Galaxy Clusters on the AGN activity
... 1) How does the AGN feedback affect neighboring galaxies (color, morphology and nuclear activities of surrounding galaxies as a function of AGN host galaxy properties)?.[r] ...
15
Galaxy Clusters Across the Electromagnetic Spectrum
... of galaxies above the background in the 2 ′ or 3 ′ source region and within the redshift ...the galaxy density between SWCL ...the galaxy count in each redshift ...
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The seeds of rich galaxy clusters in the Universe
... Lyman-break galaxies in a 9 × 18 arcminute field ...by galaxy surveys [6]. In this theory, galaxies form by gas cooling and condensing into dark matter halos which grow by accretion and mergers in a ...
CiteSeerX — Supersonic Motions of Galaxies in Clusters
... of galaxies in galaxy clusters formed in the concordance ΛCDM cos- ...for galaxy formation: gas cooling, heating and star ...of galaxies and the prop- erties of intracluster gas in the ...
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On the distribution of dark matter in clusters of galaxies
... in galaxy clusters has advanced rapidly during the course of my graduate school ...cluster galaxy kinematics great strides have recently been ...select galaxy clusters that appear to ...
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Galaxy proto-clusters as an interface between structure, cluster, and galaxy formation
... day galaxy clusters, represent a key phase of cluster growth during which most of the galaxies were still rapidly forming ...proto- clusters using state-of-the-art numerical simulations and ...
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Understanding the Physical Processes Driving Galaxy Evolution in Clusters: A Case Study of Two z ~ 0.5 Galaxy Clusters
... spiral galaxies in the process of transforming into S0 ...two clusters in both the timescales and spatial location of this conversion process allow us to evaluate the rel- ative importance of several ...
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Triggering active galactic nuclei in galaxy clusters
... rich galaxies suggest that below the regime of ram pressure stripping the enhanced pressure might lead to an elevated level of star forma- tion and the onset of AGN ...semi-analytic galaxy evolution model ...
14