English
Related papers

Related papers: The Three Hundred Project: The stellar angular mom…

200 papers

We use the TNG100 simulation of the IllustrisTNG project to investigate the stellar specific angular momenta ($j_{\ast}$) of $\sim$12,000 central galaxies at $z=0$ in a full cosmological context, with stellar masses ($M_{\ast}$) ranging…

We study the evolution of the galactic globular cluster system to determine its initial mass-function and the fraction of halo stars that could have come from disrupted globular clusters. We study the cluster evolution under the influence…

Astrophysics · Physics 2007-05-23 H. Baumgardt

Cosmological hydrodynamical simulations as well as observations indicate that spiral galaxies are comprised of five different components: dark matter halo, stellar disc, stellar bulge, gaseous disc and gaseous halo. While the first four…

Astrophysics of Galaxies · Physics 2015-05-27 Benjamin P. Moster , Andrea V. Maccio' , Rachel S. Somerville , Thorsten Naab , Thomas J. Cox

We introduce \textsc{Gizmo-Simba}, a new suite of galaxy cluster simulations within \textsc{The Three Hundred} project. \textsc{The Three Hundred} consists of zoom re-simulations of 324 clusters with $M_{200}\gtrsim 10^{14.8}M_\odot$ drawn…

We have performed N-body simulations of poor clusters with enough particles to resolve the individual galaxies. The main cases of initial conditions are: (i) 50 equal mass galaxies; (ii) 60 galaxies with masses drawn from a Schechter…

Astrophysics · Physics 2007-05-23 Gastao B. Lima Neto , Frank W. Baier

The hierarchical mergers that form the haloes of dark matter surrounding galaxies, groups and clusters are not entirely efficient, leaving substantial amounts of dense substructure, in the form of stripped halo cores or `subhaloes',…

Astrophysics · Physics 2009-11-07 James E. Taylor , Arif Babul

The dwarf galaxy Triangulum (M33) presents an interesting testbed for studying stellar halo formation: it is sufficiently massive so as to have likely accreted smaller satellites, but also lies within the regime where feedback and other…

We present an analysis of the angular momentum content of the circumgalactic medium (CGM) using TNG100, one of the flagship runs of the IllustrisTNG project. We focus on Milky Way-mass halos ($\sim 10^{12} \; M_{\odot}$) at $z=0$ but also…

Astrophysics of Galaxies · Physics 2020-05-22 Daniel DeFelippis , Shy Genel , Greg L. Bryan , Dylan Nelson , Annalisa Pillepich , Lars Hernquist

The spectrum of cold dark matter particles on Earth is expected to have peaks in velocity space associated with particles which are falling onto the Galaxy for the first time and with particles which have fallen in and out of the Galaxy…

Astrophysics · Physics 2010-11-30 P. Sikivie , I. I. Tkachev , Yun Wang

We investigate the physical properties and detectability of warm-hot intergalactic medium (WHIM) gas with temperatures in the range $10^5<T<10^7$K around galaxy clusters using simulated galaxy clusters from The Three Hundred project. In…

Cosmology and Nongalactic Astrophysics · Physics 2025-09-03 Renjie Li , Weiguang Cui , Ang Liu , Huiyuan Wang , Atulit Srivastava , Romeel Dave , Frazer R. Pearce

We examine the properties of dark matter halos within a rich galaxy cluster using a high resolution simulation that captures the cosmological context of a cold dark matter universe. The mass and force resolution permit the resolution of 150…

Astrophysics · Physics 2009-10-30 Sebastiano Ghigna , Ben Moore , Fabio Governato , George Lake , Thomas Quinn , Joachim Stadel

The angular momentum properties of virialised dark matter haloes have been measured with good statistics in collisionless N-body simulations, but an equally accurate analysis of the baryonic spin is still missing. We employ the Illustris…

Cosmology and Nongalactic Astrophysics · Physics 2017-01-18 Jolanta Zjupa , Volker Springel

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

We use N-body simulations to study the infall of dark matter haloes onto rich clusters of galaxies. After identification of all cluster progenitors in the simulations, we select those haloes which accrete directly onto the main cluster…

Astrophysics · Physics 2015-06-24 Giuseppe Tormen

Close pairs of galaxies have been broadly studied in the literature as a way to understand galaxy interactions and mergers. In observations they are usually defined by setting a maximum separation in the sky and in velocity along the line…

We investigate the evolution of dark matter halo spin alignments with respect to cosmic filaments, exploring how halo mass, proximity to filaments, and major mergers influence their orientation over time. We perform a suite of dark…

Astrophysics of Galaxies · Physics 2026-04-01 David Tobar , Rory Smith , Antonio Montero-Dorta , Katarina Kraljic , Pablo López

Our new formulation of the Spherical Collapse Model (SCM-L) takes into account the presence of angular momentum associated with the motion of galaxy groups infalling towards the centre of galaxy clusters. The angular momentum is responsible…

Cosmology and Nongalactic Astrophysics · Physics 2011-11-30 Guido Cupani , Marino Mezzetti , Fabio Mardirossian

We quantify the stellar rotation of galaxies by computing the $\lambda_{R}$ parameter, a proxy for the stellar angular momentum in a sample of 106 galaxies with redshift 0.1 $<$ z $<$ 0.8 and stellar masses from $\sim$10$^{7.5}$ to…

We use high-resolution cosmological hydrodynamic simulations to study the angular momentum acquisition of gaseous halos around Milky Way sized galaxies. We find that cold mode accreted gas enters a galaxy halo with ~70% more specific…

Cosmology and Nongalactic Astrophysics · Physics 2013-07-29 Kyle R. Stewart , Alyson M. Brooks , James S. Bullock , Ariyeh H. Maller , Juerg Diemand , James Wadsley , Leonidas A. Moustakas

Recent studies emphasize that an empirical relation between the stellar mass of galaxies and the mass of their host dark matter subhaloes can predict the clustering of galaxies and its evolution with cosmic time. In this paper we study the…

Cosmology and Nongalactic Astrophysics · Physics 2011-09-07 Eyal Neistein , Simone M. Weinmann , Cheng Li , Michael Boylan-Kolchin