Galaxy clusters
LOW X RAY LUMINOSITY GALAXY CLUSTERS: MAIN GOALS, SAMPLE SELECTION, PHOTOMETRIC AND SPECTROSCOPIC OBSERVATIONS
... eight galaxy clusters at Las Campanas Observatory; three clusters at Cerro Tololo Interamerican Observatory; and eight clusters at the Gemini ...four galaxy clusters using Gemini ...
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The color bimodality in galaxy clusters since z to 0 9
... selected clusters of gal- axies available, out to z 0:9. The galaxy clusters are drawn from the complete and well-calibrated Red-Sequence Cluster Sur- vey ( RCS; Gladders & Yee ...for ...
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Turbulent heating in galaxy clusters brightest in X rays
... the question of how this energy is transferred to the ICM remains open. Here we present a plausible solution to this question based on deep X-ray data and a new data analysis method that enable us to eval- uate directly ...
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An intensive hubble space telescope* servey for z > 1 type Ia supernovae by targeting galaxy clusters
... targets galaxy clusters that provide a rich environment of elliptical ...smaller clusters and groups as well (Hogg et ...behind clusters—Chelouche et ...uniform galaxy population ...
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GALAXY CLUSTERS IN THE LINE OF SIGHT TO BACKGROUND QUASARS III MULTI OBJECT SPECTROSCOPY
... 31 galaxy cluster candidates at redshifts between ...a galaxy cluster candidate lying at a projected distance <2 h − 71 1 Mpc from the QSO sight line (a “photometric ...the galaxy cluster ...
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Spectroscopic characterization of galaxy clusters in RCS 1: Spectroscopic confirmation, redshift accuracy, and dynamical mass richness relation
... the clusters, a ‘stripped down’ version of the red-sequence cluster finding was run following the approach described in Lu et ...of galaxy clusters is simply a case of counting over- densities of ...
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Constraining the redshift evolution of first radio sources in RCS1 galaxy clusters
... of galaxy clusters (Binney & Tabor 1995 and McNamara & Nulsen 2007 for a ...all) galaxy clusters with X-ray cooling cores also contain power- ful radio-loud AGNs in their brightest ...
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Weak Lensing Mass Measurements of Five Galaxy Clusters in The South Pole Telescope Survey Using Magellan/Megacam
... of galaxy clusters as a function of mass and redshift is sensitive to dark energy and other cosmological pa- rameters through the growth function of large-scale structure (LSS) and the cosmological volume ...
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The Atacama Cosmology Telescope: Sunyaev Zel'dovich selected galaxy clusters at 148 GHz from three seasons of data
... 19 clusters are confirmed using SDSS DR8 ...redshift galaxy clusters and are being investigated in a targeted follow-up ...confirmed clusters are associated with rich optical counterparts, and ...
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Weak lensing magnification of SpARCS galaxy clusters
... of galaxy clusters and obtaining precise mass estimates, but these methods are applicable only in the case of very massive clus- ...individual clusters which are sit- uated at the high end of the ...
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Sunyaev zel'dovich effect observations of strong lensing galaxy clusters: probing the overconcentration problem
... We have measured the Sunyaev–Zel’dovich (SZ) effect for a sample of 10 strong lensing selected galaxy clusters using the Sunyaev–Zel’dovich Array (SZA). The SZA is sensitive to structures on spatial scales ...
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The Atacama cosmology telescope: cosmology from galaxy clusters detected via the sunyaev zel'dovich effect
... in galaxy clusters (Coble et ...infrared galaxy emission, is expected to be quenched in high-density ...in clusters (Bai et ...infrared galaxy contami- nation could be significant for ...
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The growth of cool cores and evolution of cooling properties in a sample of 83 galaxy clusters at 0 3 < z < 1 2 selected from the SPT SZ survey
... galaxy clusters. These studies showed that, among other things, clusters with strong cooling signatures tend to have multi-phase ...core clusters are well documented, very little is presently ...
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Galaxy clusters in the line of sight to background quasars I Survey design and incidence of MgII absorbers at cluster redshifts
... ground clusters or large structure have already been detected (Myers et ...from galaxy counts but not observed in absorption must be seen as upper limits, since they result from a sample that is bi- ased ...
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Distant galaxy clusters in a deep XMM Newton field within the CFTHLS D4
... Fig. 27. Cosmological log N − log S for clusters of galaxies. The black discrete curve shows the confidence interval resulting from measured source detection flux errors and an additional √ N on the number count ...
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Recent Galaxy Mergers and Residual Star Formation of Red Sequence Galaxies in Galaxy Clusters
... the Galaxy Evolution Explorer ( GALEX ) ultraviolet ( UV ) space telescope ( Martin et .... Galaxy mergers have been suggested as a primary driver of this phenomenon ( Yi et ...of galaxy mergers and ...
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The red sequence luminosity function in galaxy clusters since z 1
... high-redshift clusters ( Ford et ...in clusters at these redshifts suggests that the termination of star formation may also be a significant ...in clusters at z 1 ( Mei et ...1 clusters, Ford ...
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ALMA Observations of Gas rich Galaxies in z ~ 1 6 Galaxy Clusters: Evidence for Higher Gas Fractions in High density Environments
... The tightness of the main sequence of star formation ( SFR – M å ) is thought to re fl ect the gas regulator model, in which galaxies grow through an in fl ux of fresh gas that fuels star formation and is subsequently ...
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The globular cluster systems of Abell 1185
... merging galaxy system Arp 105 (see ...globular clusters destined to become future intergalactic vagabonds, as well as newly created dwarf galaxies and pos- sibly young star clusters (Duc & ...
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The representative XMM Newton cluster structure survey (REXCESS) of an X ray luminosity selected galaxy cluster sample
... of galaxy clusters and the thermal structure of their intracluster ...to galaxy and star formation processes and the cooling of dense intracluster gas regions ...govern galaxy evolution ...
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