Massive central galaxies of galaxy groups in the Romulus simulations: an overview of galaxy properties at z = 0

SL Jung, D Rennehan, V Saeedzadeh… - Monthly Notices of …, 2022 - academic.oup.com
Contrary to many stereotypes about massive galaxies, observed brightest group galaxies
(BGGs) are diverse in their star formation rates, kinematic properties, and morphologies …

The FLAMINGO project: cosmological hydrodynamical simulations for large-scale structure and galaxy cluster surveys

J Schaye, R Kugel, M Schaller, JC Helly… - Monthly Notices of …, 2023 - academic.oup.com
ABSTRACT We introduce the Virgo Consortium's FLAMINGO suite of hydrodynamical
simulations for cosmology and galaxy cluster physics. To ensure the simulations are …

What causes the formation of discs and end of bursty star formation?

PF Hopkins, AB Gurvich, X Shen… - Monthly Notices of …, 2023 - academic.oup.com
As they grow, galaxies can transition from irregular/spheroidal with 'bursty'star formation
histories (SFHs), to discy with smooth SFHs. But even in simulations, the direct physical …

Introducing the TNG-Cluster simulation: Overview and the physical properties of the gaseous intracluster medium

D Nelson, A Pillepich, M Ayromlou, W Lee… - Astronomy & …, 2024 - aanda.org
We introduce the new TNG-Cluster project, an addition to the IllustrisTNG suite of
cosmological magnetohydrodynamical simulations of galaxy formation. Our objective is to …

A persistent excess of galaxy-galaxy strong lensing observed in galaxy clusters

M Meneghetti, W Cui, E Rasia, G Yepes… - Astronomy & …, 2023 - aanda.org
Context. Previous studies have revealed that the estimated probability of galaxy-galaxy
strong lensing in observed galaxy clusters exceeds the expectations from the Λ cold dark …

The growth of brightest cluster galaxies in the TNG300 simulation: dissecting the contributions from mergers and in situ star formation

D Montenegro-Taborda… - Monthly Notices of …, 2023 - academic.oup.com
We investigate the formation of brightest cluster galaxies (BCGs) in the TNG300
cosmological simulation of the IllustrisTNG project. Our cluster sample consists of 700 …

SIMBA-C: an updated chemical enrichment model for galactic chemical evolution in the SIMBA simulation

RT Hough, D Rennehan, C Kobayashi… - Monthly Notices of …, 2023 - academic.oup.com
We introduce a new chemical enrichment and stellar feedback model into GIZMO, using the
SIMBA sub-grid models as a base. Based on the state-of-the-art chemical evolution model of …

A study of the hydrostatic mass bias dependence and evolution within The Three Hundred clusters

G Gianfagna, E Rasia, W Cui… - Monthly Notices of …, 2023 - academic.oup.com
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 …

The Three Hundred Project: the evolution of physical baryon profiles

Q Li, W Cui, X Yang, R Davé, E Rasia… - Monthly Notices of …, 2023 - academic.oup.com
The distribution of baryons provides a significant way to understand the formation of galaxy
clusters by revealing the details of its internal structure and changes over time. In this paper …

Beyond the 3rd moment: a practical study of using lensing convergence CDFs for cosmology with DES Y3

D Anbajagane, C Chang, A Banerjee… - Monthly Notices of …, 2023 - academic.oup.com
Widefield surveys probe clustered scalar fields–such as galaxy counts, lensing potential, etc.–
which are sensitive to different cosmological and astrophysical processes. Constraining …