The shape of dark matter haloes: dependence on mass, redshift, radius and formation

B Allgood, RA Flores, JR Primack… - Monthly Notices of …, 2006 - academic.oup.com
Using six high-resolution dissipationless simulations with a varying box size in a flat Lambda
cold dark matter (ΛCDM) universe, we study the mass and redshift dependence of dark …

The effect of gas cooling on the shapes of dark matter halos

S Kazantzidis, AV Kravtsov, AR Zentner… - The Astrophysical …, 2004 - iopscience.iop.org
We analyze the effect of dissipation on the shapes of dark matter (DM) halos using high-
resolution cosmological gasdynamics simulations of clusters and galaxies in the ΛCDM …

The impact of mergers on relaxed X-ray clusters–I. Dynamical evolution and emergent transient structures

GB Poole, MA Fardal, A Babul… - Monthly Notices of …, 2006 - academic.oup.com
We report on the analysis of a suite of smoothed particle hydrodynamics simulations
(incorporating cooling and star formation) of mergers involving idealized X-ray clusters …

Dynamical state of galaxy clusters evaluated from X-ray images

ZS Yuan, JL Han, ZL Wen - Monthly Notices of the Royal …, 2022 - academic.oup.com
ABSTRACT X-ray images of galaxy clusters often show disturbed structures that are
indications of cluster mergers. To complement our previous work on the dynamical state of …

The structural and scaling properties of nearby galaxy clusters-I. The universal mass profile

E Pointecouteau, M Arnaud, GW Pratt - Astronomy & Astrophysics, 2005 - aanda.org
We present the integrated mass profiles for a sample of ten nearby (), relaxed galaxy
clusters, covering a temperature range of, observed with. The mass profiles were derived …

Direct measurement of dark matter halo ellipticity from two-dimensional lensing shear maps of 25 massive clusters

M Oguri, M Takada, N Okabe… - Monthly Notices of the …, 2010 - academic.oup.com
We present new measurements of dark matter distributions in 25 X-ray luminous clusters by
making a full use of the two-dimensional (2D) weak-lensing signals obtained from high …

On the origin of radio halos in galaxy clusters

DA Buote - The Astrophysical Journal, 2001 - iopscience.iop.org
Previously, it has been recognized that radio halos in galaxy clusters are preferentially
associated with merging systems, as indicated by substructure in the X-ray images and …

Substructure and dynamical state of 2092 rich clusters of galaxies derived from photometric data

ZL Wen, JL Han - Monthly Notices of the Royal Astronomical …, 2013 - academic.oup.com
Dynamical state of galaxy clusters is closely related to their observational properties in X-
ray, optical and radio wavelengths. We develop a method to diagnose the substructure and …

A systematic study of X-ray substructure of galaxy clusters detected in the ROSAT All-Sky Survey

P Schuecker, H Böhringer, TH Reiprich… - Astronomy & …, 2001 - aanda.org
Results of a systematic study of substructure in X-ray surface brightness distributions of a
combined sample of 470 REFLEX+ BCS clusters of galaxies are presented. The fully …

Optical substructure and BCG offsets of Sunyaev–Zel'dovich and X-ray-selected galaxy clusters

PAA Lopes, M Trevisan, TF Laganá… - Monthly Notices of …, 2018 - academic.oup.com
We used optical imaging and spectroscopic data to derive substructure estimates for local
Universe (< 0.11) galaxy clusters from two different samples. The first was selected through …