CHEX-MATE: Morphological analysis of the sample

MG Campitiello, S Ettori, L Lovisari, I Bartalucci… - Astronomy & …, 2022 - aanda.org
A classification of the galaxy cluster's dynamical state is crucial when dealing with large
samples. The identification of the most relaxed and most disturbed objects is necessary for …

A study of the hydrostatic mass bias dependence and evolution within The Three Hundred clusters

G Gianfagna, E Rasia, W Cui… - Monthly Notices of …, 2023 - academic.oup.com
We use a set of about 300 simulated clusters from the three hundred Project to calculate
their hydrostatic masses and evaluate the associated bias by comparing them with the true …

The Three Hundred Project: the evolution of physical baryon profiles

Q Li, W Cui, X Yang, R Davé, E Rasia… - Monthly Notices of …, 2023 - academic.oup.com
The distribution of baryons provides a significant way to understand the formation of galaxy
clusters by revealing the details of its internal structure and changes over time. In this paper …

Offset between X-ray and optical centers in clusters of galaxies: Connecting eROSITA data with simulations

R Seppi, J Comparat, K Nandra, K Dolag, V Biffi… - Astronomy & …, 2023 - aanda.org
Context. The characterization of the dynamical state of galaxy clusters is key to studying their
evolution, evaluating their selection, and using them as a cosmological probe. In this …

The Concentration–Mass relation of massive, dynamically relaxed galaxy clusters: agreement between observations and ΛCDM simulations

E Darragh-Ford, AB Mantz, E Rasia… - Monthly Notices of …, 2023 - academic.oup.com
The relationship linking a galaxy cluster's total mass with the concentration of its mass profile
and its redshift is a fundamental prediction of the Cold Dark Matter (CDM) paradigm of …

Shape and connectivity of groups and clusters: Effect of the dynamical state and accretion history

C Gouin, T Bonnaire, N Aghanim - Astronomy & Astrophysics, 2021 - aanda.org
Matter distribution around clusters is highly anisotropic because clusters are the nodes of
the cosmic web. The shape of the clusters and the number of filaments to which they are …

The effect of cluster dynamical state on ram-pressure stripping

ACC Lourenço, YL Jaffé, B Vulcani… - Monthly Notices of …, 2023 - academic.oup.com
Theoretical and observational studies have suggested that ram-pressure stripping (RPS) by
the intracluster medium can be enhanced during cluster interactions, boosting the formation …

Gas distribution from clusters to filaments in IllustrisTNG

C Gouin, S Gallo, N Aghanim - Astronomy & Astrophysics, 2022 - aanda.org
Matter distribution in the environment of galaxy clusters, from their cores to their connected
cosmic filaments, must in principle be related to the underlying cluster physics and its …

Indirect measurements of gas velocities in galaxy clusters: effects of ellipticity and cluster dynamic state

I Zhuravleva, MC Chen, E Churazov… - Monthly Notices of …, 2023 - academic.oup.com
While awaiting direct velocity measurements of gas motions in the hot intracluster medium,
we rely on indirect probes, including gas perturbations in galaxy clusters. Using a sample …

CHEX-MATE: Turbulence in the intra-cluster medium from X-ray surface brightness fluctuations

S Dupourqué, N Clerc, E Pointecouteau… - Astronomy & …, 2024 - aanda.org
The intra-cluster medium is prone to turbulent motion that will contribute to the non-thermal
heating of the gas, complicating the use of galaxy clusters as cosmological probes. Indirect …