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Related papers: Probing Magnetic Field Morphology in Galaxy Cluste…

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Galaxy clusters host a large reservoir of diffuse plasma with radially-varying temperature profiles. The efficiency of thermal conduction in the intracluster medium (ICM) is complicated by the existence of turbulence and magnetic fields,…

High Energy Astrophysical Phenomena · Physics 2018-08-29 Xiang-Er Fang , Fulai Guo , Ye-Fei Yuan , Guobin Mou

This paper presents quantitative techniques for studying, in an unbiased manner, the photometric and structural properties of galaxies in clusters, including a means to identify likely background objects in the absence of redshift…

Astrophysics · Physics 2009-11-07 Christopher J. Conselice , John S. Gallagher , Rosemary F. G. Wyse

Magnetic fields are an important component of the interstellar medium (ISM) and exhibit strongly varying field strengths and a non-trivial correlation with the gas density. Its dynamical impact varies between individual regions of the ISM…

Astrophysics of Galaxies · Physics 2021-08-20 Philipp Girichidis

The origin of asymmetric radio polarized emission and properties of magnetic fields in the Virgo Cluster spiral NGC4254 are investigated with help of "magnetic maps" presenting distributions of different magnetic field components over the…

Astrophysics · Physics 2009-11-13 Krzysztof T. Chyzy

Some galaxy clusters show diffuse radio emission in the form of giant halos (GHs) on Mpc scales or minihalos (MHs) on smaller scales. Comparing VLA and XMM radial profiles of several such clusters, we find a universal linear correlation…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 Uri Keshet , Abraham Loeb

Detailed temperature and abundance radial profile maps have revealed a significant lack of homogeneity within the Perseus Galaxy cluster. Previous surveys of Perseus with the Suzaku telescope, which has a worse angular resolution and less…

Cosmology and Nongalactic Astrophysics · Physics 2012-10-05 Paul Geringer , Matthew Wampler-Doty , Melville Ulmer

Radio synchrotron emission, its polarization and its Faraday rotation are powerful tools to study the strength and structure of interstellar magnetic fields. In the Milky Way, Faraday rotation of the polarized emission from pulsars and…

Instrumentation and Methods for Astrophysics · Physics 2010-08-24 R. Beck

Magnetic fields have been observed in galaxy clusters with strengths of the order of $\sim \mu$G. The non-thermal pressure exerted by magnetic fields also contributes to the total pressure in galaxy clusters and can in turn affect the…

Cosmology and Nongalactic Astrophysics · Physics 2020-10-20 Sandhya Jagannathan , Sunil Malik , Deepak Jain , T. R. Seshadri

We investigate the evolution of magnetic fields in galaxy clusters starting from constant primordial fields using highly resolved ($\approx \rm 4 ~kpc$) cosmological MHD simulations. The magnetic fields in our sample exhibit amplification…

Cosmology and Nongalactic Astrophysics · Physics 2019-03-27 Paola Domínguez-Fernández , Franco Vazza , Marcus Brüggen , Gianfranco Brunetti

The goal of this work is to investigate the Faraday rotation measure (RM) of radio galaxies in hot galaxy clusters in order to establish a possible connection between the magnetic field strength and the gas temperature of the intracluster…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 F. Govoni , K. Dolag , M. Murgia , L. Feretti , S. Schindler , G. Giovannini , W. Boschin , V. Vacca , A. Bonafede

We introduce the IllustrisTNG project, a new suite of cosmological magnetohydrodynamical simulations performed with the moving-mesh code AREPO employing an updated Illustris galaxy formation model. Here we focus on the general properties of…

The strength of the total magnetic field in our Milky Way from radio Zeeman and synchrotron measurements is about 6 muG near the Sun and several mG in dense clouds, pulsar wind nebulae, and filaments near the Galactic Center. Diffuse…

Astrophysics · Physics 2009-11-13 Rainer Beck

The propagation of active galactic nucleus jets depends both on the environment into which they propagate and on their internal structure. To test the impact that different magnetic topologies have on the observable properties of radio…

High Energy Astrophysical Phenomena · Physics 2023-05-03 Yi-Hao Chen , Sebastian Heinz , Eric Hooper

The spatial extent of the environment's impact on galaxies marks a transitional region between cluster and field galaxies. We present a data-driven method to identify this region in galaxy clusters with masses $M_{200\rm ,mean}>10^{13}…

Astrophysics of Galaxies · Physics 2026-03-17 Christine Hao , Stephanie O'Neil , Mark Vogelsberger , Vinh Tran , Lamiya Mowla , Joshua S. Speagle

Magnetic fields in the Milky Way are present on a wide variety of sizes and strengths, influencing many processes in the Galactic ecosystem such as star formation, gas dynamics, jets, and evolution of supernova remnants or pulsar wind…

Super-Alfvenic turbulence is important for many astrophysical objects, particularly galaxy clusters. In this paper, we explore the accuracy of Synchrotron Intensity Gradients (SIGs) and X-ray intensity gradients to map magnetic fields in…

Astrophysics of Galaxies · Physics 2024-12-04 Ka Wai Ho , Alex Lazarian

Kelvin-Helmholtz Instabilities (KHI) along contact discontinuities in galaxy clusters have been used to constrain the strength of magnetic fields in galaxy clusters, following the assumption that, as magnetic field lines drape around the…

High Energy Astrophysical Phenomena · Physics 2022-03-07 Urmila Chadayammuri , John ZuHone , Paul Nulsen , Daisuke Nagai , Helen Russell

Large scale magnetic fields in galaxy clusters can influence their physics and the evolution of the cluster galaxies. These properties remain poorly constrained due to a historical lack of high-sensitivity and high-resolution…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-21 Francesca Loi , Matteo Murgia , Federica Govoni , Paolo Serra , Valentina Vacca , Filippo Marcello Maccagni , Peter Kamphuis , Dane Kleiner

Exploring the ICM power spectrum can help us to probe the physics of galaxy clusters. Using high-resolution 3D plasma simulations, we study the statistics of the velocity field and its relation with the thermodynamic perturbations. The…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-19 M. Gaspari , E. Churazov , D. Nagai , E. T. Lau , I. Zhuravleva

We present Faraday rotation data for radio sources in the centers of the Abell clusters A400 and A2634. These clusters contain large (> 100 kpc), tailed radio sources, each attached to the central cD galaxy. These clusters do not have…

Astrophysics · Physics 2009-11-07 Jean A. Eilek , Frazer N. Owen