activity
20112024
most citedThe Horizon Run 5 Cosmological Hydrodynamic Simulation: Probing Galaxy Formation from Kilo- to Giga-parsec Scales

85 citations · 529 across the 21 of their papers we have counts for

collaborators

21 papers

astro-ph.GA2024★ 1 cited

Emergence of the Galaxy Morphology-Star Formation Activity-Clustercentric Radius Relations in Galaxy Clusters

Sungwook E. Hong, Changbom Park, Preetish K. Mishra +7

We investigate when and how the relations of galaxy morphology and star forming activity with clustercentric radius become evident in galaxy clusters. We identify 162 galaxy cluste…

astro-ph.GA2024★ 1 cited

Star-formation Properties of z ~ 1 Galaxy Clusters and Groups from Horizon Run 5

Seong-Kook Lee, Changbom Park, Juhan Kim +4

Quiescent galaxies are predominantly observed in local galaxy clusters. However, the fraction of quiescent galaxies in high-redshift clusters significantly varies among different c…

astro-ph.GA2024

Testing Lyman Alpha Emitters and Lyman-Break Galaxies as Tracers of Large-Scale Structures at High Redshifts

Sang Hyeok Im, Ho Seong Hwang, Jaehong Park +21

We test whether Lyman alpha emitters (LAEs) and Lyman-break galaxies (LBGs) can be good tracers of high-z large-scale structures, using the Horizon Run 5 cosmological hydrodynamica…

astro-ph.GA2023★ 1 cited

Identification of Galaxy Protoclusters Based on the Spherical Top-hat Collapse Theory

Jaehyun Lee, Changbom Park, Juhan Kim +7

We propose a new method for finding galaxy protoclusters that is motivated by structure formation theory and also directly applicable to observations. We adopt the conventional def…

astro-ph.GA2022★ 16 cited

Low-Surface-Brightness Galaxies are missing in the observed Stellar Mass Function

Juhan Kim, Jaehyun Lee, Clotilde Laigle +8

We investigate the impact of the surface brightness (SB) limit on the galaxy stellar mass functions (GSMFs) using mock surveys generated from the Horizon Run 5 (HR5) simulation. We…

astro-ph.GA2022★ 33 cited

Formation and Morphology of the First Galaxies in the Cosmic Morning

Changbom Park, Jaehyun Lee, Juhan Kim +8

We investigate the formation and morphological evolution of the first galaxies in the cosmic morning () using the Horizon Run 5 (HR5) simulation. For galaxi…

astro-ph.GA2020★ 85 cited

The Horizon Run 5 Cosmological Hydrodynamic Simulation: Probing Galaxy Formation from Kilo- to Giga-parsec Scales

Jaehyun Lee, Jihye Shin, Owain N. Snaith +12

Horizon Run 5 (HR5) is a cosmological hydrodynamical simulation which captures the properties of the Universe on a Gpc scale while achieving a resolution of 1kpc. Inside the simula…

astro-ph.GA2019★ 27 cited

High-resolution three-dimensional simulations of gas removal from ultrafaint dwarf galaxies. I. Stellar feedback

Donatella Romano, Francesco Calura, Annibale D'Ercole +1

The faintest Local Group galaxies found lurking in and around the Milky Way halo provide a unique test bed for theories of structure formation and evolution on small scales. Deep S…

astro-ph.GA2018★ 33 cited

The time evolution of the Milky Way's oxygen abundance gradient

M. Mollá, Á. I. Díaz, O. Cavichia +5

We study the evolution of oxygen abundance radial gradients as a function of time for the Milky Way Galaxy obtained with our {\sc Mulchem} chemical evolution model. We review the r…

astro-ph.GA2018★ 12 cited

Evolution of Starburst Galaxies in the Illustris Simulation

C. L. Wilkinson, K. A. Pimbblet, J. P. Stott +2

There is a consensus in the literature that starburst galaxies are triggered by inter- action events. However, it remains an open question as to what extent both merging and non-me…

astro-ph.GA2017★ 21 cited

The Role of Stellar Radial Motions in Shaping Galaxy Surface Brightness Profiles

T. Ruiz-Lara, C. G. Few, E. Florido +3

Aims: The physics driving features such as breaks observed in galaxy surface brightness (SB) profiles remains contentious. Here, we assess the importance of stellar radial motions…

astro-ph.GA2017★ 11 cited

The Gaia-ESO Survey: Matching Chemo-Dynamical Simulations to Observations of the Milky Way

B. B. Thompson, C. G. Few, M. Bergemann +39

The typical methodology for comparing simulated galaxies with observational surveys is usually to apply a spatial selection to the simulation to mimic the region of interest covere…

astro-ph.GA2015★ 36 cited

Origin of the Metallicity Distribution in the Thick Disc

Maider S. Miranda, Kate Pilkington, Brad K. Gibson +9

Aims. Using a suite of cosmological chemodynamical disc galaxy simulations, we assess how (a) radial metallicity gradients evolve with scaleheight; (b) the vertical metallicity gra…

astro-ph.GA2015★ 25 cited

The imprint of satellite accretion on the chemical and dynamical properties of disc galaxies

T. Ruiz-Lara, C. G. Few, B. K. Gibson +4

Aims: We study the effects of the cosmological assembly history on the chemical and dynamical properties of the discs of spiral galaxies as a function of radius. Methods: We make u…

astro-ph.GA2015★ 1 cited

Feedback from massive stars and gas expulsion from proto-Globular Clusters

F. Calura, C. G. Few, D. Romano +1

Globular clusters are considerably more complex structures than previously thought, harbouring at least two stellar generations which present clearly distinct chemical abundances.…

astro-ph.CO2012★ 45 cited

Properties of simulated Milky Way-mass galaxies in loose group and field environments

C. G. Few, B. K. Gibson, S. Courty +3

We test the validity of comparing simulated field disk galaxies with the empirical properties of systems situated within environments more comparable to loose groups, including the…

astro-ph.CO2012★ 34 cited

The stellar metallicity distribution of disc galaxies and bulges in cosmological simulations

F. Calura, B. K. Gibson, L. Michel-Dansac +11

By means of high-resolution cosmological hydrodynamical simulations of Milky Way-like disc galaxies, we conduct an analysis of the associated stellar metallicity distribution funct…

astro-ph.GA2012

RAMSES-CH: A New Chemodynamics Code

C. Gareth Few, Stephanie Courty, Brad K. Gibson

We present a new chemodynamical code based on the adaptive mesh refinement code RAMSES. The new code uses Eulerian hydrodynamics and N-body dynamics in a cosmological framework to…

astro-ph.GA2012★ 51 cited

RAMSES-CH: A New Chemodynamical Code for Cosmological Simulations

C. Gareth Few, Stephanie Courty, Brad K. Gibson +3

We present a new chemodynamical code - Ramses-CH - for use in simulating the self-consistent evolution of chemical and hydrodynamical properties of galaxies within a fully cosmolog…

astro-ph.CO2011★ 26 cited

The Cold Gas Content of Bulgeless Dwarf Galaxies

K. Pilkington, B. K. Gibson, F. Calura +8

We present an analysis of the neutral hydrogen (HI) properties of a fully cosmological hydrodynamical dwarf galaxy, run with varying simulation parameters. As reported by Governato…

astro-ph.CO2011★ 70 cited

Disc Heating: Comparing the Milky Way with Cosmological Simulations

Elisa House, Chris B. Brook, Brad K. Gibson +9

We present the analysis of a suite of simulations run with different particle-and grid-based cosmological hydrodynamical codes and compare them with observational data of the Milky…