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The new generation of upcoming deep photometric and spectroscopic surveys will allow us to measure the astrophysical properties of faint galaxies in massive clusters. This would demand to produce simulations of galaxy clusters with better…

Astrophysics of Galaxies · Physics 2024-10-29 Jonathan S. Gómez , Gustavo Yepes , A. Jiménez Muñoz , Weiguang Cui

We develop a machine learning algorithm to infer the 3D cumulative radial profiles of total and gas mass in galaxy clusters from thermal Sunyaev-Zel'dovich effect maps. We generate around 73,000 mock images along various lines of sight…

Cosmology and Nongalactic Astrophysics · Physics 2023-02-02 A. Ferragamo , D. de Andres , A. Sbriglio , W. Cui , M. De Petris , G. Yepes , R. Dupuis , M. Jarraya , I. Lahouli , F. De Luca , G. Gianfagna , E. Rasia

We study the connection between morphology and dynamical state of the simulated galaxy clusters in $z\in[0,1.031]$ from THE THREE HUNDRED Project. We quantify cluster dynamical state using a combination of dynamical indicators from…

Cosmology and Nongalactic Astrophysics · Physics 2021-04-28 Federico De Luca , Marco De Petris , Gustavo Yepes , Weiguang Cui , Alexander Knebe , Elena Rasia

The role of baryon models played in hydrodynamic simulations is still unclear. Future surveys that use cluster statistics to precisely constrain cosmology models require a better understanding of that. With the hydro-simulated galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-09 Weiguang Cui

Using the data set of The Three Hundred project, i.e. 324 hydrodynamical resimulations of cluster-sized haloes and the regions of radius 15 $h^{-1}$Mpc around them, we study galaxy pairs in high-density environments. By projecting the…

Galaxy clusters and their filamentary outskirts reveal useful laboratories to test cosmological models and investigate Universe composition and evolution. Their environment, in particular the filaments of the Cosmic Web to which they are…

Cosmology and Nongalactic Astrophysics · Physics 2024-05-28 Sara Santoni , Marco De Petris , Antonio Ferragamo , Gustavo Yepes , Weiguang Cui

Hydrostatic equilibrium (HE) is often used in observations to estimate galaxy clusters masses. We use a set of almost 300 simulated clusters from The Three Hundred Project, to estimate the cluster HE mass and the bias deriving from it. We…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-09 Giulia Gianfagna , Elena Rasia , Weiguang Cui , Marco De Petris , Gustavo Yepes

We introduce the Simba simulations, the next generation of the Mufasa cosmological galaxy formation simulations run with Gizmo's meshless finite mass hydrodynamics. Simba includes updates to Mufasa's sub-resolution star formation and…

Astrophysics of Galaxies · Physics 2019-04-10 Romeel Davé , Daniel Anglés-Alcázar , Desika Narayanan , Qi Li , Mika H. Rafieferantsoa , Sarah Appleby

Galaxy clusters grow by accreting galaxies as individual objects, or as members of a galaxy group. These groups can strongly impact galaxy evolution, stripping the gas from galaxies, and enhancing the rate of galaxy mergers. However, it is…

Astrophysics of Galaxies · Physics 2022-10-17 Roan Haggar , Ulrike Kuchner , Meghan E. Gray , Frazer R. Pearce , Alexander Knebe , Gustavo Yepes , Weiguang Cui

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 cluster mass. Over a redshift range from 0.07 to 1.3, we…

Cosmology and Nongalactic Astrophysics · Physics 2022-11-30 Giulia Gianfagna , Elena Rasia , Weiguang Cui , Marco De Petris , Gustavo Yepes , Ana Contreras-Santos , Alexander Knebe

Galaxy clusters are located in the densest areas of the universe and are intricately connected to larger structures through the filamentary network of the Cosmic Web. In this scenario, matter flows from areas of lower density to higher…

A galaxy cluster as the most massive gravitationally-bound object in the Universe, is dominated by Dark Matter, which unfortunately can only be investigated through its interaction with the luminous baryons with some simplified assumptions…

Cosmology and Nongalactic Astrophysics · Physics 2024-01-17 Daniel de Andres , Weiguang Cui , Gustavo Yepes , Marco De Petris , Antonio Ferragamo , Federico De Luca , Gianmarco Aversano , Douglas Rennehan

The newly updated \texttt{GIZMO} and \texttt{Simba} based simulation, \texttt{Simba-C}, with its new stellar feedback, chemical enrichment, and recalibrated AGN feedback, allows for a detailed study of the intragroup medium X-ray…

We introduce a novel technique for constraining cosmological parameters and galaxy assembly bias using non-linear redshift-space clustering of galaxies. We scale cosmological N-body simulations and insert galaxies with the SubHalo Abundance…

We introduce Project GIBLE (Gas Is Better resoLved around galaxiEs), a suite of cosmological zoom-in simulations where gas in the circumgalactic medium (CGM) is preferentially simulated at ultra-high numerical resolution. Our initial sample…

Astrophysics of Galaxies · Physics 2023-07-24 Rahul Ramesh , Dylan Nelson

We investigate the origin and formation mechanisms of the intra-cluster light (ICL) in The Three Hundred simulations, a set of 324 hydrodynamically resimulated massive galaxy clusters. The ICL, a diffuse component of stars not bound to…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-12 A. Contreras-Santos , A. Knebe , W. Cui , I. Alonso Asensio , C. Dalla Vecchia , R. Haggar , R. A. Mostoghiu Paun , F. R. Pearce , E. Rasia , G. Martin , S. E. Nuza , G. Yepes

In this work, we combine the semi-analytic model of galaxy formation and evolution SAG with the $102$ relaxed simulated galaxy clusters from The Three Hundred project, and we study the link between the quenching of star formation (SF) and…

We analyse the gas content evolution of infalling haloes in cluster environments from THE THREE HUNDRED project, a collection of 324 numerically modelled galaxy clusters. The haloes in our sample were selected within $5R_{200}$ of the main…

We perform a systematic study of the recently discovered fundamental plane of galaxy clusters (CFP) using ~250 simulated clusters from The Three Hundred project, focusing on the stability of the plane against different temperature…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-14 Luis A. Díaz-García , Keiichi Umetsu , Elena Rasia , Weiguang Cui , Massimo Meneghetti

Using 324 numerically modelled galaxy clusters we investigate the radial and galaxy-halo alignment of dark matter subhaloes and satellite galaxies orbiting within and around them. We find that radial alignment depends on distance to the…