activity
20182026
most citedThe FLAMINGO project: cosmological hydrodynamical simulations for large-scale structure and galaxy cluster surveys

258 citations · 977 across the 51 of their papers we have counts for

collaborators

51 papers

astro-ph.GA2026

The THESAN-ZOOM project: clumpiness of high-redshift galaxies and its connection to bursty star formation

Zihao Wang, Xuejian Shen, Rahul Kannan +12

Recent JWST observations have revealed diverse high-redshift galaxy morphologies, including a population with irregular and clumpy structures. The physical origin of these structur…

astro-ph.GA2026

Globular cluster abundance patterns inherited from giant molecular clouds

William McClymont, Vasily Belokurov, Sandro Tacchella +16

Globular clusters exhibit large star-to-star variations and anticorrelations in their light element abundances that are commonly interpreted in terms of in-cluster self-enrichment,…

astro-ph.GA2026

From THESAN-ZOOM to JWST: Predicting ionizing photon escape and the rise of UV-bright reionization sources

Zebedee Summerfield, William McClymont, Sandro Tacchella +14

Understanding the sources and evolution of cosmic reionization remains a central challenge in astrophysics, with the escape of ionizing Lyman-continuum (LyC) photons from early gal…

astro-ph.CO2025

Inferring the Impacts of Baryonic Feedback from Kinetic Sunyaev-Zeldovich Cross-Correlations

Alex Laguë, Mathew S. Madhavacheril, Josh Borrow +4

The complex processes of baryonic feedback associated with galaxy evolution are still poorly understood, and their impact on the clustering of matter on small scales remains diffic…

astro-ph.GA2025★ 2 cited

The THESAN-ZOOM project: The Hidden Neighbours of OI Absorbers during Reionization

Giulia Pruto, Laura Keating, Rahul Kannan +9

Metal absorbers represent a powerful probe of galaxy feedback and reionization, as highlighted by both observational and theoretical results showing an increased abundance of low-i…

astro-ph.CO2025★ 1 cited

Nulling baryonic feedback in weak lensing surveys using cross-correlations with fast radio bursts

Calvin Leung, Josh Borrow, Kiyoshi W. Masui +4

Baryonic feedback is a leading contaminant in studying dark matter and cosmology using cosmic shear. This has meant omitting much of the data during cosmological inference, or forw…

astro-ph.GA2025★ 6 cited

COLIBRE: calibrating subgrid feedback in cosmological simulations that include a cold gas phase

Evgenii Chaikin, Joop Schaye, Matthieu Schaller +17

We present the calibration of stellar and active galactic nucleus (AGN) feedback in the subgrid model for the new COLIBRE hydrodynamical simulations of galaxy formation. COLIBRE di…

astro-ph.GA2025★ 26 cited

The COLIBRE project: cosmological hydrodynamical simulations of galaxy formation and evolution

Joop Schaye, Evgenii Chaikin, Matthieu Schaller +18

We present the COLIBRE galaxy formation model and the COLIBRE suite of cosmological hydrodynamical simulations. COLIBRE includes new models for radiative cooling, dust grains, star…

astro-ph.GA2025★ 3 cited

High-redshift AGN population in radiation-hydrodynamics simulations

Teodora-Elena Bulichi, Oliver Zier, Aaron Smith +7

High-redshift active galactic nuclei (AGN) have long been recognized as key probes of early black hole growth and galaxy evolution. However, modeling this population remains diffic…

astro-ph.GA2025★ 5 cited

The THESAN-ZOOM project: Mystery N/O more -- uncovering the origin of peculiar chemical abundances and a not-so-fundamental metallicity relation at

William McClymont, Sandro Tacchella, Aaron Smith +15

We present an analysis of metallicities and chemical abundances at in the THESAN-ZOOM simulations. We find that smoothly curved gas-phase and stellar mass-metallicity rela…

astro-ph.GA2025★ 7 cited

The THESAN-ZOOM project: Star formation efficiency from giant molecular clouds to galactic scale in high-redshift starbursts

Zihao Wang, Xuejian Shen, Mark Vogelsberger +12

Star formation in galaxies is inherently complex, involving the interplay of physical processes over a hierarchy of spatial scales. In this work, we investigate the connection betw…

astro-ph.GA2025★ 8 cited

The THESAN-ZOOM project: Star-formation efficiencies in high-redshift galaxies

Xuejian Shen, Rahul Kannan, Ewald Puchwein +10

Recent JWST observations hint at unexpectedly intense cosmic star-formation in the early Universe, often attributed to enhanced star-formation efficiencies (SFEs). Here, we analyze…

astro-ph.GA2025★ 14 cited

The THESAN-ZOOM project: central starbursts and inside-out quenching govern galaxy sizes in the early Universe

William McClymont, Sandro Tacchella, Aaron Smith +9

We explore the evolution of galaxy sizes at high redshift () using the high-resolution THESAN-ZOOM radiation-hydrodynamics simulations, focusing on the mass range of $1…

astro-ph.GA2025★ 13 cited

The THESAN-ZOOM project: Population III star formation continues until the end of reionization

Oliver Zier, Rahul Kannan, Aaron Smith +8

Population III (Pop III) stars are the first stars in the Universe, forming from pristine, metal-free gas and marking the end of the cosmic dark ages. Their formation rate is expec…

astro-ph.GA2025★ 2 cited

The THESAN-ZOOM project: Long-term imprints of external reionization on galaxy evolution

Oliver Zier, Rahul Kannan, Aaron Smith +8

We investigate the impact of ionizing external ultraviolet (UV) radiation on low-mass haloes () at high redshift using baryonic resolution zoom-…

astro-ph.GA2025★ 25 cited

The THESAN-ZOOM project: Burst, quench, repeat -- unveiling the evolution of high-redshift galaxies along the star-forming main sequence

William McClymont, Sandro Tacchella, Aaron Smith +10

Characterizing the evolution of the star-forming main sequence (SFMS) at high redshift is crucial to contextualize the observed extreme properties of galaxies in the early Universe…

astro-ph.GA2025★ 25 cited

Introducing the THESAN-ZOOM project: radiation-hydrodynamic simulations of high-redshift galaxies with a multi-phase interstellar medium

Rahul Kannan, Ewald Puchwein, Aaron Smith +11

We introduce the THESAN-ZOOM project, a comprehensive suite of high-resolution zoom-in simulations of high-redshift () galaxies selected from the THESAN simulation volume…

astro-ph.GA2024

The Velocity Dispersion Function for Quiescent Galaxies in Massive Clusters from IllustrisTNG

Jubee Sohn, Margaret J. Geller, Josh Borrow +1

We derive the central stellar velocity dispersion function for quiescent galaxies in 280 massive clusters with in IllustrisTNG300. The velocity di…

astro-ph.CO2024

Dynamical friction and measurements of the splashback radius in galaxy clusters

Talia M. O'Shea, Josh Borrow, Stephanie O'Neil +1

The splashback radius is one popular method of constraining the size of galaxy clusters, often measured through the logarithmic derivative of the galaxy number density profile. How…

astro-ph.CO2024

TangoSIDM Project: Is the Stellar Mass Tully-Fisher relation consistent with SIDM?

Camila Correa, Matthieu Schaller, Joop Schaye +3

Self-interacting dark matter (SIDM) has the potential to significantly influence galaxy formation in comparison to the cold, collisionless dark matter paradigm (CDM), resulting in…

astro-ph.GA2024

Velocity Dispersions of Quiescent Galaxies in IllustirisTNG

Jubee Sohn, Margaret J. Geller, Josh Borrow +1

We examine the central stellar velocity dispersion of subhalos based on IllustrisTNG cosmological hydrodynamic simulations. The central velocity dispersion is a fundamental observa…

astro-ph.GA2024★ 5 cited

The THESAN project: galaxy sizes during the epoch of reionization

Xuejian Shen, Mark Vogelsberger, Josh Borrow +12

We investigate galaxy sizes at redshift with the cosmological radiation-magneto-hydrodynamic simulation suite THESAN(-HR). These simulations simultaneously capture the…

astro-ph.GA2024★ 6 cited

Brightest Cluster Galaxy Offsets in Cold Dark Matter

Cian Roche, Michael McDonald, Josh Borrow +7

The distribution of offsets between the brightest cluster galaxies of galaxy clusters and the centroid of their dark matter distributions is a promising probe of the underlying dar…

astro-ph.GA2023

How time weathers galaxies: The temporal impact of the cluster environment on galaxy formation and evolution

Stephanie O'Neil, Josh Borrow, Mark Vogelsberger +2

We illuminate the altered evolution of galaxies in clusters compared to the field by tracking galaxies in the IllustrisTNG300 simulation as they enter isolated clusters of mass $10…