activity
20082026
most citedThe Aquarius Project: the subhalos of galactic halos

1.9k citations · 3.6k across the 38 of their papers we have counts for

collaborators

39 papers

astro-ph.CO2026

The dark matter halo mass function in the cosmology at all times and over all scales -- from planetary to galaxy cluster masses

Haonan Zheng, Sownak Bose, Carlos S. Frenk +7

The dark matter halo mass function is one of the most fundamental predictions of structure formation theory and cosmological simulations. We present the full halo mass function in…

astro-ph.IM2026

Illuminating the Physics of Cosmic Origin and Evolution: A UK Space Frontiers 2035 White Paper

Florian Beutler, Eva-Maria Mueller, Seshadri Nadathur +61

Understanding the Universe's origins and evolution remains one of the most fundamental challenges in modern cosmology. This white paper explores three key science priorities in thi…

astro-ph.CO2025

Buried but not destroyed: the evolution from prompt cusps to NFW haloes

Yuchan Wang, Sownak Bose, Carlos Frenk +1

The internal structure of dark matter haloes encodes their assembly history and offers critical insight into the nature of dark matter and structure formation. Analytical studies a…

astro-ph.GA2025

The Milky Way stellar halo is twisted and doubly broken: insights from DESI DR2 Milky Way Survey observation

Songting Li, Wenting Wang, Sergey E. Koposov +45

Using K giants from the second data release (DR2) of the Dark Energy Spectroscopic Instrument (DESI) Milky Way (MW) Survey, we measure the shape, orientation, radial profile, and d…

astro-ph.GA2025★ 11 cited

Modelling the evolution and influence of dust in cosmological simulations that include the cold phase of the interstellar medium

James W. Trayford, Joop Schaye, Camila Correa +7

While marginal in mass terms, dust grains play an outsized role in both the physics and observation of the interstellar medium (ISM). However, explicit modelling of this ISM consti…

astro-ph.GA2025

Luminosity and stellar mass functions of faint photometric satellites around spectroscopic central galaxies from DESI Year-1 Bright Galaxy Survey

Wenting Wang, Xiaohu Yang, Yipeng Jing +47

We measure the luminosity functions (LFs) and stellar mass functions (SMFs) of photometric satellite galaxies around spectroscopically identified isolated central galaxies (ICGs).…

astro-ph.GA2024

The unabridged satellite luminosity function of Milky Way-like galaxies in CDM: the contribution of "orphan" satellites

Isabel Santos-Santos, Carlos Frenk, Julio Navarro +2

We study the abundance, radial distribution, and orbits of luminous satellites in simulations of MW-mass dark halos in the LCDM cosmology. We follow the evolution of a halo from th…

astro-ph.CO2024★ 2 cited

The MillenniumTNG Project: Impact of massive neutrinos on the cosmic large-scale structure and the distribution of galaxies

César Hernández-Aguayo, Volker Springel, Sownak Bose +10

We discuss the cold dark matter plus massive neutrinos simulations of the MillenniumTNG (MTNG) project, which aim to improve understanding of how well ongoing and future large-scal…

astro-ph.GA2024★ 5 cited

AuriDESI: Mock Catalogues for the DESI Milky Way Survey

Namitha Kizhuprakkat, Andrew P. Cooper, Alexander H. Riley +31

The Dark Energy Spectroscopic Instrument Milky Way Survey (DESI MWS) will explore the assembly history of the Milky Way by characterising remnants of ancient dwarf galaxy accretion…

astro-ph.CO2024

Hydrodynamical simulations of merging galaxy clusters: giant dark matter particle colliders, powered by gravity

Ellen L. Sirks, David Harvey, Richard Massey +7

Terrestrial particle accelerators collide charged particles, then watch the trajectory of outgoing debris - but they cannot manipulate dark matter. Fortunately, dark matter is the…

astro-ph.GA2023

Unraveling the Complexity of Dwarf Galaxy Dynamics: A study of Binary Orbital Motions

Wenting Wang, Ling Zhu, Yipeng Jing +8

We investigate the impact of binary orbital motions on the dynamical modeling of dwarf galaxies with intrinsic line-of-sight velocity dispersions () of 1 to 9 km/s. Using…

astro-ph.CO2023★ 14 cited

The impact and response of minihalos and the inter-halo medium on cosmic reionization

Tsang Keung Chan, Alejandro Benitez-Llambay, Tom Theuns +2

An ionization front (I-front) that propagates through an inhomogeneous medium is slowed down by self-shielding and recombinations. We perform cosmological radiation hydrodynamics s…

astro-ph.CO2023★ 35 cited

The MillenniumTNG Project: Intrinsic alignments of galaxies and halos

Ana Maria Delgado, Boryana Hadzhiyska, Sownak Bose +9

The intrinsic alignment (IA) of observed galaxy shapes with the underlying cosmic web is a source of contamination in weak lensing surveys. Sensitive methods to identify the IA sig…

astro-ph.CO2022★ 43 cited

The MillenniumTNG Project: An improved two-halo model for the galaxy-halo connection of red and blue galaxies

Boryana Hadzhiyska, Daniel Eisenstein, Lars Hernquist +11

Approximate methods to populate dark matter halos with galaxies are of great utility to large galaxy surveys. However, the limitations of simple halo occupation models (HODs) precl…

astro-ph.CO2022★ 35 cited

The MillenniumTNG Project: Refining the one-halo model of red and blue galaxies at different redshifts

Boryana Hadzhiyska, Lars Hernquist, Daniel Eisenstein +11

Luminous red galaxies (LRGs) and blue star-forming emission-line galaxies (ELGs) are key tracers of large-scale structure used by cosmological surveys. Theoretical predictions for…

astro-ph.CO2022★ 25 cited

The MillenniumTNG Project: Semi-analytic galaxy formation models on the past lightcone

Monica Barrera, Volker Springel, Simon White +9

Upcoming large galaxy surveys will subject the standard cosmological model, CDM, to new precision tests. These can be tightened considerably if theoretical models of galaxy form…

astro-ph.GA2022★ 30 cited

The MillenniumTNG Project: Inferring cosmology from galaxy clustering with accelerated N-body scaling and subhalo abundance matching

Sergio Contreras, Raul E. Angulo, Volker Springel +11

We introduce a novel technique for constraining cosmological parameters and galaxy assembly bias using non-linear redshift-space clustering of galaxies. We scale cosmological N-bod…

astro-ph.GA2022★ 91 cited

The MillenniumTNG Project: The galaxy population at

Rahul Kannan, Volker Springel, Lars Hernquist +11

The early release science results from have yielded an unexpected abundance of high-redshift luminous galaxies that seems to be in tension with current theories of…

astro-ph.CO2022★ 27 cited

The MillenniumTNG Project: The large-scale clustering of galaxies

Sownak Bose, Boryana Hadzhiyska, Monica Barrera +9

Modern redshift surveys are tasked with mapping out the galaxy distribution over enormous distance scales. Existing hydrodynamical simulations, however, do not reach the volumes ne…

astro-ph.CO2022★ 159 cited

The MillenniumTNG Project: The hydrodynamical full physics simulation and a first look at its galaxy clusters

Ruediger Pakmor, Volker Springel, Jonathan P. Coles +12

Cosmological simulations are an important theoretical pillar for understanding nonlinear structure formation in our Universe and for relating it to observations on large scales. In…

astro-ph.CO2022★ 79 cited

The MillenniumTNG Project: High-precision predictions for matter clustering and halo statistics

César Hernández-Aguayo, Volker Springel, Rüdiger Pakmor +9

Cosmological inference with large galaxy surveys requires theoretical models that combine precise predictions for large-scale structure with robust and flexible galaxy formation mo…

astro-ph.GA2022★ 12 cited

Galactic satellite systems in CDM, WDM and SIDM

Victor J. Forouhar Moreno, Alejandro Benitez-Llambay, Shaun Cole +1

We investigate the population of bright satellites () of haloes of mass comparable to that of the Milky Way in cosmological simulations in whi…

astro-ph.GA2022★ 13 cited

On the Edge: the relation between stellar and dark matter haloes of Milky Way-mass galaxies

Anna Genina, Alis Deason, Carlos Frenk

We investigate the build-up of the accreted stellar and dark matter haloes of Milky Way-like galaxies in APOSTLE suite of cosmological hydrodynamics simulations. We show that the s…

astro-ph.GA2022★ 11 cited

Is the core-cusp problem a matter of perspective: Jeans Anisotropic Modeling against numerical simulations

Wenting Wang, Ling Zhu, Zhaozhou Li +14

Mock member stars for 28 dwarf galaxies are constructed from the cosmological Auriga simulation, which reflect the dynamical status of realistic stellar tracers. The axis-symmetric…