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Related papers: The Evolution of Cluster Substructure

200 papers

The global structure of galaxy clusters and its evolution are tested within a large set of TREESPH simulations, so to allow a fair statistical comparison with available X-ray data. Structure tests are based on the "power ratios", introduced…

Astrophysics · Physics 2009-10-31 R. Valdarnini , S. Ghizzardi , S. A. Bonometto

Aims: We study galaxy clustering and explore the dependence of galaxy properties on the the environment up to a redshift z~1, on the basis of a deep multi-band survey in the Chandra Deep Field South. Methods: We have developed a new method…

Astrophysics · Physics 2009-11-11 Dario Trevese , Marco Castellano , Adriano Fontana , Emanuele Giallongo

A critical issue in studying the evolution of galaxy clusters is to find ways that enable meaningful comparisons of clusters observed at different redshifts, as well as in various stages of their growth. Studies in the past have typically…

Astrophysics of Galaxies · Physics 2025-03-19 Yen-Ting Lin , Kai-Feng Chen , Tsung-Chi Chen , Chen-Yu Chuang , Masamune Oguri

We use Chandra observations of nine optically and X-ray selected clusters in five different structures at z ~ 0.7-1.1 from the Observations of Redshift Evolution in Large-Scale Environments (ORELSE) survey to study diffuse X-ray emission…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Nick Rumbaugh , Dale D. Kocevski , Roy R. Gal , Brian C. Lemaux , Lori M. Lubin , Chris D. Fassnacht , Gordon K. Squires

The deepest region of the ROSAT All-Sky Survey, at the North Ecliptic Pole, has been studied to produce a complete and unbiased X-ray selected sample of clusters of galaxies. This sample is used to investigate the nature of cluster…

Astrophysics · Physics 2009-11-06 I. M. Gioia , J. P. Henry , C. R. Mullis , W. Voges , U. G. Briel , H. Boehringer , J. P. Huchra

We present results of an investigation of clustering evolution of field galaxies between a redshift of z~1 and the present epoch. The current analysis relies on a sample of ~3600 galaxies from the Calar Alto Deep Imaging Survey (CADIS). The…

Astrophysics · Physics 2007-05-23 S. Phleps , K. Meisenheimer

We study the evolution of substructure in the mass distribution with mass, redshift and radius in a sample of simulated galaxy clusters. The sample, containing $1226$ objects, spans the mass range $M_{200} = 10^{14} - 1.74 \times 10^{15} \…

Cosmology and Nongalactic Astrophysics · Physics 2018-05-16 Cristiano De Boni , Hans Böhringer , Gayoung Chon , Klaus Dolag

The evolution of the cluster mass function and the cluster correlation function from z = 0 to z = 3 are determined using 10^6 clusters obtained from high-resolution simulations of the current best-fit LCDM cosmology (\Omega_m = 0.27,…

Astrophysics · Physics 2016-08-30 Joshua D. Younger , Neta A. Bahcall , Paul Bode

(Abriged) We present a study of the integrated physical properties of a sample of 28 X-ray galaxy clusters observed with Chandra at redshift between 0.4 and 1.3. In particular, we have twelve objects in the redshift range 0.4-0.6, five…

Astrophysics · Physics 2009-11-10 S. Ettori , P. Tozzi , S. Borgani , P. Rosati

We discuss the measurements of the galaxy cluster mass functions at z=~0.05 and z=~0.5 using high-quality Chandra observations of samples derived from the ROSAT PSPC All-Sky and 400deg^2 surveys. We provide a full reference for the data…

We report the results of a study which assembles deep observations with the ACIS-I instrument on the Chandra Observatory to study the evolution in the core properties of a sample of galaxy groups and clusters out to redshifts $z\approx…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-23 Aurelia Pascut , Trevor J. Ponman

We study the substructure statistics of a representative sample of galaxy clusters by means of two currently popular substructure characterisation methods, power ratios and centroid shifts. We use the 31 clusters from the REXCESS sample,…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 H. Boehringer , G. W. Pratt , M. Arnaud , S. Borgani , J. H. Croston , T. J. Ponman , S. Ameglio , R. F. Temple , K. Dolag

We report the application of a new Monte Carlo method, Smoothed Particle Inference (SPI, described in a pair of companion papers), towards analysis and interpretation of X-ray observations of clusters of galaxies with the XMM-Newton…

Cosmology and Nongalactic Astrophysics · Physics 2011-02-11 K. Andersson , J. R. Peterson , G. Madejski , A. Goobar

We present a statistical study of the redshift evolution of the cluster galaxy population over a wide redshift range from 0.1 to 1.1, using $\sim 1900$ optically-selected CAMIRA clusters from $\sim 232$~deg$^2$ of the Hyper Suprime-Cam…

We analyze the cooling and feedback properties of 48 galaxy clusters at redshifts $0.4 < z < 1.3$ selected from the South Pole Telescope (SPT) catalogs to evolve like the progenitors of massive and well-studied systems at $z{\sim}0$. We…

We present results of an investigation of clustering evolution of field galaxies between a redshift of z\~1 and the present epoch. The current analysis relies on a sample of ~14000 galaxies in two fields of the COMBO-17 survey. The redshift…

Astrophysics · Physics 2009-11-07 S. Phleps , K. Meisenheimer

Measurements of galaxy clustering are now becoming possible over a range of redshifts out to z=3. We use a semi-analytic model of galaxy formation to compute the expected evolution of the galaxy correlation function with redshift. We…

Astrophysics · Physics 2009-10-31 C. M. Baugh , A. J. Benson , S. Cole , C. S. Frenk , C. G. Lacey

The ellipticities and alignments of clusters of galaxies, and their evolution with redshift, are examined in the context of a Lambda-dominated cold dark matter cosmology. We use a large-scale, high-resolution N-body simulation to model the…

Astrophysics · Physics 2009-11-10 Philip F. Hopkins , Neta Bahcall , Paul Bode

Clusters of galaxies provide a closed box within which one can determine the chemical evolution of the gaseous baryons with cosmic time. We studied this metallicity evolution in the hot X-ray emitting baryons through an analysis of…

Cosmology and Nongalactic Astrophysics · Physics 2010-03-03 Michael E. Anderson , Joel N. Bregman , Suzanne C. Butler , C. R. Mullis