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The origin of the mass discrepancy-acceleration relation in CDM
Julio F. Navarro, Alejandro Benítez-Llambay, Azadeh Fattahi +5
We examine the origin of the mass discrepancy--radial acceleration relation (MDAR) of disk galaxies. This is a tight empirical correlation between the disk centripetal acceleration…
Tidal features of classical Milky Way satellites in a CDM universe
M. -Y. Wang, Azadeh Fattahi, Andrew P. Cooper +6
We use the APOSTLE cosmological hydrodynamic simulations to examine the effects of tidal stripping on cold dark matter (CDM) sub haloes that host three of the most luminous Milky W…
Small-scale galaxy clustering in the EAGLE simulation
M. Celeste Artale, Susana E. Pedrosa, James W. Trayford +6
We study present-day galaxy clustering in the EAGLE cosmological hydrodynamical simulation. EAGLE's galaxy formation parameters were calibrated to reproduce the redshift ga…
Properties of Local Group galaxies in hydrodynamical simulations of sterile neutrino dark matter cosmologies
Mark R. Lovell, Sownak Bose, Alexey Boyarsky +10
We study galaxy formation in sterile neutrino dark matter models that differ signifi- cantly from both cold and from `warm thermal relic' models. We use the EAGLE code to carry out…
The Mass-Discrepancy Acceleration Relation: a Natural Outcome of Galaxy Formation in Cold Dark Matter halos
Aaron D. Ludlow, Alejandro Benitez-Llambay, Matthieu Schaller +8
We analyze the total and baryonic acceleration profiles of a set of well-resolved galaxies identified in the EAGLE suite of hydrodynamic simulations. Our runs start from the same i…
A chronicle of galaxy mass assembly in the EAGLE simulation
Yan Qu, John C. Helly, Richard G. Bower +8
We analyse the mass assembly of central galaxies in the EAGLE hydrodynamical simulations. We build merger trees to connect galaxies to their progenitors at different redshifts and…
Barred galaxies in the EAGLE cosmological hydrodynamical simulation
David G. Algorry, Julio F. Navarro, Mario G. Abadi +8
We examine the properties of barred disc galaxies in a LCDM cosmological hydrodynamical simulation from the EAGLE project. Our study follows the formation of 269 discs identified a…
Baryon effects on void statistics in the EAGLE simulation
Enrique Paillas, Claudia D. P. Lagos, Nelson Padilla +3
Cosmic voids are promising tools for cosmological tests due to their sensitivity to dark energy, modified gravity and alternative cosmological scenarios. Most previous studies in t…
Being WISE II: Reducing the Influence of Star Formation History on the Mass-to-Light Ratio of Quiescent Galaxies
Mark A. Norris, Glenn Van de Ven, Eva Schinnerer +8
Stellar population synthesis models can now reproduce the photometry of old stellar systems (age 2 Gyr) in the near-infrared (NIR) bands at 3.4 and 4.6m (WISE W1 W2 or…
The origin of scatter in the stellar mass - halo mass relation of central galaxies in the EAGLE simulation
Jorryt Matthee, Joop Schaye, Robert A. Crain +3
We use the hydrodynamical EAGLE simulation to study the magnitude and origin of the scatter in the stellar mass - halo mass relation for central galaxies. We separate cause and eff…
How to get cool in the heat: comparing analytic models of hot, cold, and cooling gas in haloes and galaxies with EAGLE
Adam R. H. Stevens, Claudia del P. Lagos, Sergio Contreras +5
We use the hydrodynamic, cosmological EAGLE simulations to investigate how hot gas in haloes condenses to form and grow galaxies. We select haloes from the simulations that are act…
The cold dark matter content of Galactic dwarf spheroidals: no cores, no failures, no problem
Azadeh Fattahi, Julio F. Navarro, Till Sawala +5
We examine the dark matter content of satellite galaxies in Lambda-CDM cosmological hydrodynamical simulations of the Local Group from the APOSTLE project. We find excellent agreem…
Far-infrared and dust properties of present-day galaxies in the EAGLE simulations
Peter Camps, James W. Trayford, Maarten Baes +3
The EAGLE cosmological simulations reproduce the observed galaxy stellar mass function and many galaxy properties. In this work, we study the dust-related properties of present-day…
Size matters: abundance matching, galaxy sizes, and the Tully-Fisher relation in EAGLE
Ismael Ferrero, Julio F. Navarro, Mario G. Abadi +7
The Tully-Fisher relation (TFR) links the stellar mass of a disk galaxy, , to its rotation speed: it is well approximated by a power law, shows little scatter, and evo…
Alignments between galaxies, satellite systems and haloes
Shi Shao, Marius Cautun, Carlos S. Frenk +5
The spatial distribution of the satellite populations of the Milky Way and Andromeda are puzzling in that they are nearly perpendicular to the disks of their central galaxies. To u…
The dark nemesis of galaxy formation: why hot haloes trigger black hole growth and bring star formation to an end
Richard Bower, Joop Schaye, Carlos S. Frenk +4
Galaxies fall into two clearly distinct types: `blue-sequence' galaxies that are rapidly forming young stars, and `red-sequence' galaxies in which star formation has almost complet…
SWIFT: Using task-based parallelism, fully asynchronous communication, and graph partition-based domain decomposition for strong scaling on more than 100,000 cores
Matthieu Schaller, Pedro Gonnet, Aidan B. G. Chalk +1
We present a new open-source cosmological code, called SWIFT, designed to solve the equations of hydrodynamics using a particle-based approach (Smooth Particle Hydrodynamics) on hy…
The low abundance and insignificance of dark discs in simulated Milky Way galaxies
Matthieu Schaller, Carlos S. Frenk, Azadeh Fattahi +3
We investigate the presence and importance of dark matter discs in a sample of 24 simulated Milky Way galaxies in the APOSTLE project, part of the EAGLE programme of hydrodynamic s…
Winds of change: reionization by starburst galaxies
Mahavir Sharma, Tom Theuns, Carlos Frenk +4
We investigate the properties of the galaxies that reionized the Universe and the history of cosmic reionization using the "Evolution and Assembly of GaLaxies and their environment…
The effect of baryons on redshift space distortions and cosmic density and velocity fields in the EAGLE simulation
Wojciech A. Hellwing, Matthieu Schaller, Carlos S. Frenk +4
We use the EAGLE galaxy formation simulation to study the effects of baryons on the power spectrum of the total matter and dark matter distributions and on the velocity fields of d…
The EAGLE simulations: atomic hydrogen associated with galaxies
Robert A. Crain, Yannick M. Bahe, Claudia del P. Lagos +8
We examine the properties of atomic hydrogen (HI) associated with galaxies in the EAGLE simulations of galaxy formation. EAGLE's feedback parameters were calibrated to reproduce th…
Supermassive black holes in the EAGLE Universe. Revealing the observables of their growth
Yetli Rosas-Guevara, Richard G. Bower, Joop Schaye +5
We investigate the evolution of supermassive black holes in the `Evolution and Assembly of GaLaxies and their Environments' (EAGLE) cosmological hydrodynamic simulations. The large…
Bimodality of low-redshift circumgalactic O VI in non-equilibrium EAGLE zoom simulations
Benjamin D. Oppenheimer, Robert A. Crain, Joop Schaye +7
We introduce a series of 20 cosmological hydrodynamical simulations of Lstar (M_200 =10^11.7 - 10^12.3 Msol) and group-sized (M_200 = 10^12.7 - 10^13.3 Msol) haloes run with the mo…
The origin of the -enhancement of massive galaxies
Marijke C. Segers, Joop Schaye, Richard G. Bower +3
We study the origin of the stellar -element-to-iron abundance ratio, , of present-day central galaxies, using cosmological, hydrodynamical simulations fr…