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We report the scaling relations derived by fitting the X-ray parameters determined from analyzing the XMM-Newton observations of 120 galaxy clusters in the Planck Early Sunyaev-Zel'dovich sample spanning the redshift range of…

We analyse the kinematical properties of the CHEX-MATE (Cluster HEritage project with XMM-Newton - Mass Assembly and Thermodynamics at the Endpoint of structure formation) galaxy cluster sample. [...] We derive cluster mass profiles for 75…

The current paradigm of cosmic formation and evolution of galaxy clusters foresees growth mostly through merging. Galaxies in the infall region or in the core of a cluster undergo transformations owing to different environmental stresses.…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 F. G. Braglia , D. Pierini , A. Biviano , H. Boehringer

Context. Scaling relations between cluster properties embody the formation and evolution of cosmic structure. Intrinsic scatters and correlations between X-ray properties are determined from merger history, baryonic processes, and dynamical…

Cosmology and Nongalactic Astrophysics · Physics 2019-12-04 Mauro Sereno , Stefano Ettori , Dominique Eckert , Paul Giles , Ben J. Maughan , Florian Pacaud , Marguerite Pierre , Patrick Valageas

Context. Distant galaxy clusters provide an effective laboratory in which to study galaxy evolution in dense environments and at early cosmic times. Aims. We aim to identify distant galaxy clusters as extended X-ray sources coincident with…

We present a multi-wavelength study of the massive ($M_{200\textrm{c}} \approx 1$-$2 \times 10^{15} M_\odot$) galaxy clusters RXC J2248.7$-$4431, MACS J0416.1$-$2403, and MACS J1206.2$-$0847 at $z \approx 0.4$. Using the X-ray surface…

Astrophysics of Galaxies · Physics 2018-09-19 M. Bonamigo , C. Grillo , S. Ettori , G. B. Caminha , P. Rosati , A. Mercurio , E. Munari , M. Annunziatella , I. Balestra , M. Lombardi

[Abridged] We present an analysis of the scaling relations between X-ray properties and Sunyaev-Zel'dovich (SZ) parameters for a sample of 24 X-ray luminous galaxy clusters observed with Chandra and with measured SZ effect. These objects…

Astrophysics · Physics 2009-06-23 A. Morandi , S. Ettori , L. Moscardini

There has been extensive recent progress in X-ray observations of clusters of galaxies with the analysis of the entire ASCA database and recent new results from Beppo-SAX, Chandra, and XMM-Newton. The temperature profiles of most clusters…

Astrophysics · Physics 2007-05-23 Richard F. Mushotzky

We present the results of work involving a statistically complete sample of 34 galaxy clusters, in the redshift range 0.15$\le$z$\le$0.3 observed with $Chandra$. We investigate the luminosity-mass ($LM$) relation for the cluster sample,…

Cosmology and Nongalactic Astrophysics · Physics 2017-03-15 P. A. Giles , B. J. Maughan , H. Dahle , M. Bonamente , D. Landry , C. Jones , M. Joy , S. S. Murray , N. van der Pyl

We present measurements of the masses of a sample of 25 moderate X-ray luminosity clusters of galaxies from the 160 square degree ROSAT survey. The masses were obtained from a weak lensing analysis of deep F814W images obtained using the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 Henk Hoekstra , Megan Donahue , Christopher J. Conselice , Brian R. McNamara , G. Mark Voit

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

We present high-resolution mass reconstructions for five massive cluster-lenses spanning a redshift range from z = 0.18 - 0.57 utilizing archival Hubble Space Telescope data and applying galaxy-galaxy lensing techniques. These detailed mass…

Astrophysics · Physics 2007-05-23 Priyamvada Natarajan , Jean-Paul Kneib , Ian Smail , Richard Ellis

Results are reported from the first survey of X-ray emission from galaxies in pairs. The sample consists of fifty-two pairs of galaxies from the Catalog of Paired Galaxies Karachentsev (1972) whose coordinates overlap ROSAT Position…

Astrophysics · Physics 2009-10-31 M. Henriksen , S. Cousineau

Clusters of galaxies contain a hot gas, which emits in X-rays. X-ray telescopes such as XMM-Newton allow to study this plasma to obtain information on physical quantities of these objects. We present here some results on the total mass…

Astrophysics · Physics 2007-05-23 D. M. Neumann , S. Majerowicz

We compile a sample of 38 galaxy clusters which have both X-ray and strong lensing observations, and study for each cluster the projected offset between the dominant component of baryonic matter center (measured by X-rays) and the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 HuanYuan Shan , Bo Qin , Bernard Fort , Charling Tao , Xiang-Ping Wu , HongSheng Zhao

We present results from a combined weak lensing and X-ray analysis of the merging cluster A1914 at a redshift of $z=0.1712$ based on $R_{\rm}$-band imaging data with Subaru/Suprime-Cam and archival Chandra X-ray data. Based on the…

Astrophysics · Physics 2015-06-24 Nobuhiro Okabe , Keiichi Umetsu

(abridged) We investigate the regularity of cluster pressure profiles with REXCESS, a representative sample of 33 local clusters observed with XMM-Newton. The sample spans a mass range of 10^14 M_sun <M_500<10^15 M_sun. We derive an average…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 M. Arnaud , G. W. Pratt , R. Piffaretti , H. Boehringer , J. H. Croston , E. Pointecouteau

We study the relative fraction of galaxy morphological types in clusters, as a function of the projected local galaxy density and different global parameters: cluster projected gas density, cluster projected total mass density , and reduced…

Astrophysics · Physics 2016-08-30 Mariano Dominguez , Hernan Muriel , Diego G. Lambas

Successive releases of Planck data have demonstrated the strength of the Sunyaev--Zeldovich (SZ) effect in detecting hot baryons out to the galaxy cluster peripheries. To infer the hot gas pressure structure from nearby galaxy clusters to…

Cosmology and Nongalactic Astrophysics · Physics 2017-07-10 H. Bourdin , P. Mazzotta , A. Kozmanyan , C. Jones , A. Vikhlinin

Currently, the number of galaxy clusters identified using galaxy data has far exceeded the number derived from intracluster medium data. In this study, we used positional information from large optical cluster catalogues to search for…

Astrophysics of Galaxies · Physics 2025-09-26 Z. S. Yuan , Z. L. Wen , W. Xu , J. L. Han