220 citations · 558 across the 29 of their papers we have counts for
30 papers
Intracluster light in the infall region of simulated protoclusters of galaxies
S. V. Werner, M. Jauzac, M. Montes +4
Intracluster light (ICL) is a diffuse stellar component in galaxy clusters, made of stars following the potential of the cluster. Despite its potential to unveil the accretion hist…
Forged by Feedback: Stellar Properties of Brightest Group Galaxies in Cosmological Simulations
Ruxin Barré, Arif Babul, Ghassem Gozaliasl +7
We investigate how different galaxy formation models impact the stellar properties of brightest group galaxies (BGGs) in four cosmological simulations: ROMULUS, SIMBA, SIMBA-C, and…
Bright [CII]158m Streamers as a Beacon for Giant Galaxy Formation in SPT234956 at
Nikolaus Sulzenauer, Axel Weiß, Ryley Hill +17
Observations of extreme starbursts, often located in the cores of protoclusters, challenge the classical bottom-up galaxy formation paradigm. Giant elliptical galaxies at mus…
AGN Feedback Models and AGN Demographics I: Radio-Mode AGN in EAGLE, SIMBA and TNG100 are Inconsistent with Observations
Arjun Suresh, Michael R. Blanton, Douglas Rennehan
We compare predictions of how Active Galactic Nuclei (AGN) populate host galaxies at low redshifts to observations, finding large discrepancies between cosmological simulation pred…
Core to Cosmic Edge: SIMBA-C's New Take on Abundance Profiles in the Intragroup Medium at z = 0
Aviv Padawer-Blatt, Zhiwei Shao, Renier T. Hough +9
We employ the SIMBA-C cosmological simulation to study the impact of its upgraded chemical enrichment model (Chem5) on the distribution of metals in the intragroup medium (IGrM). W…
How the Cookie Crumbles: A Model for Star-forming Clumps in High-redshift Disk Galaxies
Matthew E. Orr, Douglas Rennehan
We present a simple model for the number distribution of maximally star-forming clumps in rotating disk galaxies, at high- with high gas surface densities. By combining assumpti…
Diverse dark matter profiles in FIRE dwarfs: black holes, cosmic rays and the cusp-core enigma
Sophie Koudmani, Douglas Rennehan, Rachel S. Somerville +5
Dwarf galaxies have historically posed challenges to the cold dark matter (CDM) model and, while many of the so-called 'dwarf galaxy problems' have been mitigated by incorporating…
COSMOS Brightest Group Galaxies -- III: Evolution of stellar ages
G. Gozaliasl, A. Finoguenov, A. Babul +15
The unique characteristics of the brightest group galaxies (BGGs) link the evolutionary continuum between galaxies like the Milky Way and more massive BCGs in dense clusters. This…
Modelling the multi-wavelength detection of protoclusters. I: An excess of submillimetre galaxies in protocluster cores
Pablo Araya-Araya, Rachel K. Cochrane, Christopher C. Hayward +6
Studies of galaxy protoclusters yield insights into galaxy cluster formation complementary to those obtained via `archaeological' studies of present-day galaxy clusters. Submillime…
Pumping Iron: How turbulent metal diffusion impacts multiphase galactic outflows
Ulrich P. Steinwandel, Douglas Rennehan, Matthew E. Orr +2
Most numerical simulations of galaxy formation and evolution are unable to properly resolve the turbulent cascade at or below the resolution scale and turbulence models are require…
A massive, neutral gas reservoir permeating a galaxy proto-cluster after the reionization era
Kasper E. Heintz, Jake S. Bennett, Pascal A. Oesch +21
Galaxy clusters are the most massive, gravitationally-bound structures in the Universe, emerging through hierarchical structure formation of large-scale dark matter and baryon over…
Hyenas: X-ray Bubbles and Cavities in the Intra-Group Medium
Fred J. Jennings, Arif Babul, Romeel Dave +2
We investigate the role of the Simba feedback model on the structure of the Intra-Group Medium (IGrM) in the new Hyenas suite of cutting-edge cosmological zoom-in simulations. Usin…
A 100 Mpc structure traced by hyperluminous galaxies around a massive = 2.85 protocluster
George C. P. Wang, Scott C. Chapman, Nikolaus Sulzenauer +9
We present wide-field mapping at 850 m and 450 m of the = 2.85 protocluster in the HS154919 field using the Submillimetre Common User Bolometer Array 2 (SCUBA-2). Spec…
\texttt{Simba}-\texttt{C}: the evolution of the thermal and chemical properties in the intragroup medium
Renier T. Hough, Zhiwei Shao, Weiguang Cui +5
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 fo…
The Manhattan Suite: Accelerated galaxy evolution in the early Universe
Douglas Rennehan
Observational advances have allowed the detection of galaxies, protoclusters, and galaxy clusters at higher and higher redshifts, opening a new view into extreme galaxy evolution.…
Identifying Galaxy Cluster Mergers with Deep Neural Networks using Idealized Compton-y and X-ray maps
Ashleigh R. Arendt, Yvette C. Perrott, Ana Contreras-Santos +3
We present a novel approach to identify galaxy clusters that are undergoing a merger using a deep learning approach. This paper uses massive galaxy clusters spanning $0 \leq z \leq…
The Nature and Evolution of Early Massive Quenched Galaxies in the Simba-C Simulation
Jakub Szpila, Romeel Davé, Douglas Rennehan +2
We examine the nature, origin, and fate of early () massive () quenched galaxies (EQGs) in a new run of the Simba-C galaxy…
The Three Hundred Project: Mapping The Matter Distribution in Galaxy Clusters Via Deep Learning from Multiview Simulated Observations
Daniel de Andres, Weiguang Cui, Gustavo Yepes +5
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…
The Obsidian model: Three regimes of black hole feedback
Douglas Rennehan, Arif Babul, Belaid Moa +1
In theoretical models of galaxy evolution, black hole feedback is a necessary ingredient in order to explain the observed exponential decline in number density of massive galaxies.…
SIMBA-C: An updated chemical enrichment model for galactic chemical evolution in the SIMBA simulation
Renier T. Hough, Douglas Rennehan, Chiaki Kobayashi +4
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 K…
Cool and gusty, with a chance of rain: Dynamics of multiphase CGM around massive galaxies in the Romulus simulations
Vida Saeedzadeh, S. Lyla Jung, Douglas Rennehan +8
Using high-resolution {\sc Romulus} simulations, we explore the origin and evolution of the circumgalactic medium (CGM) in the region 0.1 $\leq \mathrm{R}/\mathrm{R}_\mathrm{500} \…
Brightest Cluster Galaxy Formation in the z=4.3 Protocluster SPT2349-56: Discovery of a Radio-Loud AGN
Scott C. Chapman, Ryley Hill, Manuel Aravena +29
We have observed the z=4.3 protocluster SPT2349-56 with ATCA with the aim of detecting radio-loud active galactic nuclei (AGN) amongst the ~30 submillimeter galaxies identified in…
The XXL survey. XLIX. Linking the members star formation histories to the cluster mass assembly in the z=1.98 galaxy cluster XLSSC 122
A. Trudeau, J. P. Willis, D. Rennehan +5
The most massive protoclusters virialize to become clusters at , which is also a critical epoch for the evolution of their member galaxies. XLSSC 122 is a galaxy…
Massive central galaxies of galaxy groups in the Romulus simulations: an overview of galaxy properties at z=0
Seoyoung Lyla Jung, Douglas Rennehan, Vida Saeedzadeh +6
Contrary to many stereotypes about massive galaxies, observed brightest group galaxies (BGGs) are diverse in their star formation rates, kinematic properties, and morphologies. Stu…