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Related papers: The Evolution of the Galaxy Cluster Luminosity-Tem…

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We present a Bayesian inference analysis of the Markevitch (1998) and Allen & Fabian (1998) cooling flow corrected X-ray cluster temperature catalogs that constrains the slope and the evolution of the empirical X-ray cluster…

Astrophysics · Physics 2009-10-31 D. E. Reichart , F. J. Castander , R. C. Nichol

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 present the MAssive ClusterS and Intercluster Structures (MACSIS) project, a suite of 390 clusters simulated with baryonic physics that yields realistic massive galaxy clusters capable of matching a wide range of observed properties.…

Cosmology and Nongalactic Astrophysics · Physics 2016-12-14 David J. Barnes , Scott T. Kay , Monique A. Henson , Ian G. McCarthy , Joop Schaye , Adrian Jenkins

We present a thorough quantitative analysis of the evolution of the colour-magnitude relation for early-type galaxies in 17 distant clusters with redshifts 0.31 < z < 1.27 using the Kodama & Arimoto (1997) evolutionary model for elliptical…

Astrophysics · Physics 2007-05-23 T. Kodama , N. Arimoto , A. J. Barger , A. Aragon-Salamanca

AIMS: We have compiled one of the largest normal-galaxy samples ever to probe X-ray luminosity function evolution separately for early and late-type systems. METHODS: We selected 207 normal galaxies up to redshift z~1.4, with data from four…

Astrophysics · Physics 2009-11-13 P. Tzanavaris , I. Georgantopoulos

A comprehensive multicolor survey was undertaken to investigate global optical properties of Abell clusters of galaxies. This survey was christened the "Low-Redshift Cluster Optical Survey" (LOCOS). LOCOS was devised to search for patterns…

Astrophysics · Physics 2007-05-23 Omar Lopez-Cruz

An observational approach is presented to constrain the global structure and evolution of the intracluster medium based on the ROSAT and ASCA distant cluster sample. From statistical analysis of the gas density profile and the connection to…

Astrophysics · Physics 2009-11-13 Naomi Ota , Tetsu Kitayama , Kuniaki Masai , Kazuhisa Mitsuda

We have selected seven medium-distant clusters of galaxies (z ~ 0.1 - 0.3) for multi-wavelength observations with the goal of investigating their dynamical state. Following Paper I (Pierre et al. 1999) which reported the ASCA results about…

Astrophysics · Physics 2009-11-06 H. Matsumoto , M. Pierre , T. G. Tsuru , D. S. Davis

We investigate the evolution of dust content in galaxies from redshifts z=0 to z=9.5. Using empirically motivated prescriptions, we model galactic-scale properties -- including halo mass, stellar mass, star formation rate, gas mass, and…

Astrophysics of Galaxies · Physics 2018-02-21 Nia Imara , Abraham Loeb , Benjamin D. Johnson , Charlie Conroy , Peter Behroozi

We report the first results of a long term program aimed at investigating the photometric properties of the cores of Abell and X-ray selected (EMSS, \cite{emss}) clusters of galaxies. We observed 77 clusters of galaxies in the redshift…

Astrophysics · Physics 2007-05-23 Bianca Garilli , Dario Bottini , Dario Maccagni , Luis Carrasco , Elsa Recillas

We present a comprehensive analysis of the stellar population properties (age, metallicity and the alpha-element enhancement [E/Fe]) and morphologies of red-sequence galaxies in 24 clusters and groups from z~0.75 to z~0.45. The dataset,…

We calibrate the galaxy cluster mass - temperature relation using the temperature profiles of intracluster gas observed with ASCA (for hot clusters) and ROSAT (for cool groups). Our sample consists of apparently relaxed clusters for which…

Astrophysics · Physics 2009-10-31 J. Nevalainen , M. Markevitch , W. R. Forman

A new flux limited catalogue of low luminosity (Lx <= 10^44 erg/s) X-ray galaxy clusters and groups covering a redshift range of z~0.1 to z~0.7 has been produced from the WARPS project. We present the number counts of this low luminosity…

Astrophysics · Physics 2007-05-23 C. A. Scharf , L. R. Jones , E. Perlman , H. Ebeling , G. Wegner , M. Malkan , D. Horner

Utilizing ASCA archival data of about 300 objects of elliptical galaxies, groups, and clusters of galaxies, we performed systematic measurements of the X-ray properties of hot gas in their systems, and compiled them in this paper. The…

Astrophysics · Physics 2015-06-24 Yasushi Fukazawa , Kazuo Makishima , Takaya Ohashi

We investigate the evolution in the distribution of surface brightness, as a function of size, for elliptical and S0 galaxies in the two clusters RDCS J1252.9-2927, z=1.237 and RX J0152.7-1357, z=0.837. We use multi-color imaging with the…

We have analyzed the ASCA data of 29 nearby clusters of galaxies systematically, and obtained temperatures, iron abundances, and X-ray luminosities of their intracluster medium (ICM). We also estimate ICM mass using the beta model, and then…

We present a study of the color evolution of elliptical and S0 galaxies in six clusters of galaxies inside the redshift range 0.78 < z < 1.27. For each cluster, we used imaging from the Hubble Space Telescope to determine morphological…

Astrophysics · Physics 2009-11-10 B. P. Holden , S. A. Stanford , P. Eisenhardt , M. Dickinson

Using cosmological N-body simulations of critical (SCDM) and open ($\Omega = 0.3$, OCDM) cold dark matter models, we investigate evolution of cluster galaxies. From our numerical simulation, we construct merging history trees of the…

Astrophysics · Physics 2015-06-24 Takashi Okamoto , Asao Habe

Using a sample of ten nearby (z< 0.15), relaxed galaxy clusters in the temperature range [2-9] keV, we have investigated the scaling relation between the mass at various density contrasts (delta=2500,1000,500,200) and the cluster…

Astrophysics · Physics 2008-11-26 M. Arnaud , E. Pointecouteau , G. W. Pratt

To investigate the relationships between dynamical status and other important characteristics of galaxy clusters, we conducted a study of X-ray cluster morphology using a sample of 101 clusters at redshift z=0.05-1 taken from the Chandra…