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Related papers: Cool Core Clusters from Cosmological Simulations

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The distribution of metals in the intracluster medium (ICM) of galaxy clusters provides valuable information on their formation and evolution, on the connection with the cosmic star formation and on the effects of different gas processes.…

Cosmology and Nongalactic Astrophysics · Physics 2017-04-12 V. Biffi , S. Planelles , S. Borgani , D. Fabjan , E. Rasia , G. Murante , L. Tornatore , K. Dolag , G. L. Granato , M. Gaspari , A. M. Beck

We investigate the thermodynamic and chemical structure of the intracluster medium (ICM) across a statistical sample of 20 galaxy clusters analysed with the Chandra X-ray satellite. In particular, we focus on the scaling properties of the…

Cosmology and Nongalactic Astrophysics · Physics 2009-11-13 Alastair J. R. Sanderson , Ewan O'Sullivan , Trevor J. Ponman , )

We study the effects of radiative cooling, star formation and stellar feedback on the properties and evolution of galaxy clusters using high-resolution Adaptive Mesh Refinement N-body+gasdynamics simulations of clusters forming in the LCDM…

Astrophysics · Physics 2009-11-10 Daisuke Nagai , Andrey V. Kravtsov

This is the third in a series of papers studying the astrophysics and cosmology of massive, dynamically relaxed galaxy clusters. Our sample comprises 40 clusters identified as being dynamically relaxed and hot (i.e., massive) in Papers I…

Cosmology and Nongalactic Astrophysics · Physics 2016-01-18 Adam B. Mantz , Steven W. Allen , R. Glenn Morris , Robert W. Schmidt

In this study, we examine the frequency and physical drivers of transformations from cool-core (CC) to non-cool-core (NCC) clusters, and vice versa, in a sample of 352 massive galaxy clusters (M_vir = 10^14-15.3 M_sun) from the TNG-Cluster…

Astrophysics of Galaxies · Physics 2025-10-01 Katrin Lehle , Dylan Nelson , Annalisa Pillepich

We present results from recent simulations of the formation and evolution of clusters of galaxies in a LambdaCDM cosmology. These simulations contain our most physically complete input physics to date including radiative cooling, star…

Astrophysics · Physics 2007-05-23 P. M. Motl , J. O. Burns , M. L. Norman , G. L. Bryan

Recent XRISM observations suggest that gas mixing induced by sloshing contributes to core heating. We systematically investigate the suppression of cooling flows in galaxy cluster cool cores through three-dimensional hydrodynamic…

Astrophysics of Galaxies · Physics 2026-05-21 Yutaka Fujita , Tomoaki Matsumoto , Keiichi Wada

Using high-resolution hydrodynamical simulations of galaxy clusters, we study the interaction between the brightest cluster galaxy, its supermassive black hole (BH) and the intracluster medium (ICM). We create initial conditions for which…

Astrophysics of Galaxies · Physics 2022-08-03 Folkert S. J. Nobels , Joop Schaye , Matthieu Schaller , Yannick M. Bahé , Evgenii Chaikin

We introduce the Cluster-EAGLE (C-EAGLE) simulation project, a set of cosmological hydrodynamical zoom simulations of the formation of $30$ galaxy clusters in the mass range $10^{14}<M_{200}/\mathrm{M}_{\odot}<10^{15.4}$ that incorporates…

[abridged] We present the analysis of the X-ray brightness and temperature profiles for six clusters belonging to both the Cool Core and Non Cool Core classes, in terms of the Supermodel (SM) developed by Cavaliere, Lapi & Fusco-Femiano…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 R. Fusco-Femiano , A. Cavaliere , A. Lapi

We carry out an analysis of a set of cosmological SPH hydrodynamical simulations of galaxy clusters and groups aimed at studying the total baryon budget in clusters, and how this budget is shared between the hot diffuse component and the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Susana Planelles , Stefano Borgani , Klaus Dolag , Stefano Ettori , Dunja Fabjan , Giuseppe Murante , Luca Tornatore

X-Ray observations of groups and clusters of galaxies show that the Intra-Cluster Medium (ICM) in their cores is hotter than expected from cosmological numerical simulations of cluster formation which include star formation, radiative…

Astrophysics · Physics 2009-11-10 C. Zanni , G. Murante , G. Bodo , S. Massaglia , P. Rossi , A. Ferrari

Do cool-core (CC) and noncool-core (NCC) clusters live in different environments? We make novel use of H$\alpha$ emission lines in the central galaxies of redMaPPer clusters as proxies to construct large (1,000's) samples of CC and NCC…

Cosmology and Nongalactic Astrophysics · Physics 2019-09-25 Elinor Medezinski , Michael McDonald , Surhud More , Hironao Miyatake , Nicholas Battaglia , Massimo Gaspari , David Spergel , Renyue Cen

Understanding how baryonic processes shape the intracluster medium (ICM) is of critical importance to the next generation of galaxy cluster surveys. However, most models of structure formation neglect potentially important physical…

Recent observations provide evidence that some cool-core clusters (CCCs) host quasars in their brightest cluster galaxies (BCGs). Motivated by these findings we use 3D radiation-hydrodynamic simulations with the code Enzo to explore the…

Astrophysics of Galaxies · Physics 2020-04-29 Yu Qiu , Tamara Bogdanovic , Yuan Li , KwangHo Park , John H. Wise

Unopposed radiative cooling in clusters of galaxies results in excessive mass deposition rates. However, the cool cores of galaxy clusters are continuously heated by thermal conduction and turbulent heat diffusion due to minor mergers or…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 M. Ruszkowski , S. Peng Oh

Feedback from active galactic nuclei (AGN) is believed to play a significant role in suppressing cooling flows in cool-core (CC) clusters. Turbulence in the intracluster medium (ICM), which may be induced by AGN activity or pre-existing…

High Energy Astrophysical Phenomena · Physics 2025-12-01 Jia-Lun Li , H. -Y. Karen Yang

This is the first attempt to construct detailed X-ray spectra of clusters of galaxies from the results of high-resolution hydrodynamic simulations and simulate X-ray observations in order to study velocity fields of the intracluster medium…

Astrophysics · Physics 2009-11-10 Yutaka Fujita , Tomoaki Matsumoto , Keiichi Wada , Tae Furusho

We present a set of cluster models that link the present-day properties of clusters to the processes that govern galaxy formation. These models treat the entropy distribution of the intracluster medium as its most fundamental property.…

Astrophysics · Physics 2009-11-07 G. Mark Voit , Greg L. Bryan , Michael L. Balogh , Richard G. Bower

Self-regulated feedback by active galactic nuclei (AGNs) appears to be critical in balancing radiative cooling of the low-entropy gas at the centres of galaxy clusters and in regulating star formation in central galaxies. In a companion…

Astrophysics of Galaxies · Physics 2017-04-27 Svenja Jacob , Christoph Pfrommer
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