English
Related papers

Related papers: The Three Hundred project: Galaxy groups do not su…

200 papers

Aims. In this work, we intend to examine how environment influences the merger fraction, from the low density field environment to higher density groups and clusters. We also aim to study how the properties of a group or cluster, as well as…

Upcoming wide-field surveys are well-suited to studying the growth of galaxy clusters by tracing galaxy and gas accretion along cosmic filaments. We use hydrodynamic simulations of volumes surrounding 324 clusters from \textsc{The…

Clusters of galaxies are merging during the formation of large-scale structures in the Universe. Based on optical survey data, we identify a large sample of pre-mergers of galaxy clusters and merging subclusters in rich clusters. We find…

Cosmology and Nongalactic Astrophysics · Physics 2024-06-04 Z. L. Wen , J. L. Han , Z. S. Yuan

The effect of galactic orbits on a galaxy's internal evolution within a galaxy cluster environment has been the focus of heated debate in recent years. To understand this connection, we use both the $(0.5 \,$Gpc)$^3$ and the Gpc$^3$ boxes…

Astrophysics of Galaxies · Physics 2019-08-07 Marcel Lotz , Rhea-Silvia Remus , Klaus Dolag , Andrea Biviano , Andreas Burkert

The evolution of star clusters is determined by several internal and external processes. Here we focus on two dominant internal effects, namely energy exchange between stars through close encounters (two-body relaxation) and mass-loss of…

Astrophysics of Galaxies · Physics 2011-06-24 Mark Gieles

Compact groups (CGs) of galaxies are extreme environments for morphological transformations and the cessation of star formation. Though initially considered isolated, it is now recognised that many CGs are embedded in larger structures. We…

In a series of three papers, we introduced a novel cluster formation model that describes the formation, growth, and disruption of star clusters in high-resolution cosmological simulations. We tested this model on a Milky Way-sized galaxy…

Astrophysics of Galaxies · Physics 2020-03-18 Hui Li , Oleg Gnedin

We present an investigation of satellite galaxies in the outskirts of galaxy clusters taken from a series of high-resolution N-body simulations. We focus on the so-called "backsplash population", i.e. satellite galaxies that once were…

Astrophysics · Physics 2009-11-10 Stuart P. D. Gill , Alexander Knebe , Brad K. Gibson

This paper addresses the questions of what we have learned about how and when dense star clusters form, and what studies of star clusters have revealed about galaxy formation and evolution. One important observation is that globular…

Astrophysics · Physics 2007-05-23 Stephen E. Zepf

Using cosmological N-body simulations of critical (SCDM) and open ($\Omega = 0.3$, OCDM) cold dark matter models, we investigate evolution of cluster galaxies. From our numerical simulation, we construct merging history trees of the…

Astrophysics · Physics 2015-06-24 Takashi Okamoto , Asao Habe

The cluster environment is the site of important transformations in galaxies at a relatively recent cosmological epoch: the galactic morphological types and star formation activity have evolved significantly during the last few Gyrs. How is…

Astrophysics · Physics 2007-05-23 Bianca M. Poggianti , Jacqueline H. van Gorkom

The environmental effect is commonly used to explain the excess of gas-poor galaxies in galaxy clusters. Meanwhile, the presence of gas-poor galaxies at cluster outskirts, where galaxies have not spent enough time to feel the cluster…

Astrophysics of Galaxies · Physics 2018-10-09 Seoyoung L. Jung , Hoseung Choi , O. Ivy Wong , Taysun Kimm , Aeree Chung , Sukyoung K. Yi

Massive star clusters are often used as tracers of galaxy formation and assembly. In order to do so, we must understand their properties at formation, and how those properties change with time, galactic environment, and galaxy assembly…

Astrophysics of Galaxies · Physics 2023-07-05 Marta Reina-Campos , Alison Sills , Godefroy Bichon

The abundance and internal characteristics of rich clusters of galaxies can provide useful constraints on models of large--scale structure formation. This article will review some recent three dimensional, multi--fluid simulations of…

Astrophysics · Physics 2007-05-23 August E. Evrard

We estimate the stellar mass that satellite galaxies lose once they enter groups (and clusters) by identifying groups in a high-resolution cosmological N-body simulation, assigning entry masses to satellite galaxies with halo abundance…

Astrophysics of Galaxies · Physics 2017-08-30 Édouard Tollet , Andrea Cattaneo , Gary Mamon , Thibaud Moutard , Frank van den Bosch

The galaxy evolution is believed to be conditioned by the environment. Isolated galaxies or galaxies in poor groups are an excellent laboratory to study evolutionary mechanisms where effects of the environment are minimal. We present new…

Astrophysics of Galaxies · Physics 2022-03-14 Paola Mazzei , Roberto Rampazzo , Antonietta Marino , Ginevra Trinchieri , Michela Uslenghi , Anna Wolter

Close encounters between stars in star forming regions are important as they can perturb or destroy protoplanetary discs, young planetary systems, and stellar multiple systems. We simulate simple, viralised, equal-mass $N$-body star…

Astrophysics of Galaxies · Physics 2023-04-26 Krisada Rawiraswattana , Simon P. Goodwin

We study the combined effects of relaxation, tidal heating and binary heating on globular cluster evolution, exploring the physical consequences of external effects and examining evolutionary trends in the Milky Way population. Our analysis…

Astrophysics · Physics 2015-06-24 C. Murali , M. D. Weinberg

Using the galaxy clusters from The Three Hundred Project, we define a new parameter: $\lambda_{DS}$ to describe the dynamical state of clusters, which assumes a double-Gaussian distribution in logarithm scale for our mass-complete cluster…

Cosmology and Nongalactic Astrophysics · Physics 2022-08-17 Bowei Zhang , Weiguang Cui , Romeel Dave , Marco De Petris

Dense star clusters are spectacular self-gravitating stellar systems in our Galaxy and across the Universe - in many respects. They populate disks and spheroids of galaxies as well as almost every galactic center. In massive elliptical…

Instrumentation and Methods for Astrophysics · Physics 2023-05-22 Rainer Spurzem , Albrecht Kamlah
‹ Prev 1 4 5 6 7 8 10 Next ›