activity
20092026
most citedFIRE-2 Simulations: Physics versus Numerics in Galaxy Formation

1.1k citations · 2.6k across the 49 of their papers we have counts for

collaborators

49 papers

astro-ph.GA2026

RIGEL: Ultra-faint dwarf galaxy diversity shaped by inhomogeneous cosmic reionization

Yunwei Deng, Hui Li, Ewald Puchwein +7

Ultra-faint dwarf galaxies (UFDs) are among the smallest and oldest galaxies in the Universe and are widely regarded as relics of cosmic reionization. To investigate how reionizati…

astro-ph.GA2026

Bridging Scales in Black Hole Accretion and Feedback: Subgrid Prescription from First Principles

Hyerin Cho, Ben S. Prather, Ramesh Narayan +4

Understanding how supermassive black holes (BHs) couple to their host galaxies across a vast spatial and temporal dynamic range remains a central challenge in galaxy evolution. Usi…

astro-ph.GA2026

Little Red Dots on FIRE: The Ability of Bursty Galaxies to Host an Abundant Population of High-Redshift AGN

Andrew Marszewski, Claude-André Faucher-Giguère, Guochao Sun +5

The James Webb Space Telescope has unveiled an abundant population of potential active galactic nuclei (AGN) at high redshift () known as little red dots (LRDs), which a…

astro-ph.GA2025★ 1 cited

Effects of Varied Cosmic Ray Feedback from AGN on Massive Galaxy Properties

Charvi Goyal, Sam B. Ponnada, Philip F. Hopkins +3

Active galactic nuclei (AGN) provide energetic feedback necessary to `turn off' star formation in high-mass galaxies (M 10 M, $10.4 \leq \log(…

astro-ph.GA2025

Bridging scales: Modeling suppressed Bondi accretion on black holes and its impact on galaxy growth

Antonio J. Porras-Valverde, Priyamvada Natarajan, Angelo Ricarte +4

The accretion and feedback processes governing supermassive black hole (SMBH) growth span an enormous range of spatial scales, from the Event Horizon to the circumgalactic medium.…

astro-ph.GA2025

Bridging scales: How much do supermassive black holes grow in the suppressed Bondi regime?

Kung-Yi Su, Angelo Ricarte, Priyamvada Natarajan +6

The co-evolution of supermassive black holes (SMBHs) and their host galaxies remains one of the central open questions in cosmology, rooted in the coupling between accretion, feedb…

astro-ph.GA2025

To Survive or to Shatter: The Impact of Cosmic Rays on the Fate of Stripped Cold Clouds

Manami Roy, Kung-Yi Su, Stephanie Tonnesen +3

Does cosmic ray (CR) pressure matter for the circumgalactic medium (CGM)? Despite growing interest, this remains a debated question, complicated by limited observational constraint…

astro-ph.GA2025★ 1 cited

Second public data release of the FIRE-2 cosmological zoom-in simulations of galaxy formation

Andrew Wetzel, Jenna Samuel, Pratik J. Gandhi +34

We describe the second data release (DR2) of the FIRE-2 cosmological zoom-in simulations of galaxy formation, from the Feedback In Realistic Environments (FIRE) project, available…

astro-ph.HE2025

Bridging Scales in Black Hole Accretion and Feedback: Relativistic Jet linking the Horizon to the Host Galaxy

Hyerin Cho, Ben S. Prather, Ramesh Narayan +2

Simulating black hole (BH) accretion and feedback from the horizon to galactic scales is extremely challenging, as it involves a vast range of scales. Recently, our multizone metho…

astro-ph.GA2025

Modeling Cosmic Rays at AGN Jet-Driven Shock Fronts

Kung-Yi Su, Greg L. Bryan, Philip F. Hopkins +4

Active Galactic Nuclei (AGN) feedback is a key physical mechanism proposed to regulate star formation, primarily in massive galaxies. In particular, cosmic rays associated with AGN…

astro-ph.GA2025★ 10 cited

Zooming In On The Multi-Phase Structure of Magnetically-Dominated Quasar Disks: Radiation From Torus to ISCO Across Accretion Rates

Philip F. Hopkins, Kung-Yi Su, Norman Murray +12

Recent radiation-thermochemical-magnetohydrodynamic simulations resolved formation of quasar accretion disks from cosmological scales down to ~300 gravitational radii , argu…

astro-ph.GA2024

Bridging Scales: Coupling the galactic nucleus to the larger cosmic environment

Kung-Yi Su, Priyamvada Natarajan, Hyerin Cho +4

Coupling black hole (BH) feeding and feedback involves interactions across vast spatial and temporal scales that is computationally challenging. Tracking gas inflows and outflows f…

astro-ph.HE2024

Self-regulation of high-redshift black hole accretion via jets: challenges for SMBH formation

Kung-Yi Su, Greg Bryan, Zoltán Haiman

The early growth of black holes (BHs) in atomic-cooling halos is likely influenced by feedback on the surrounding gas. While the effects of radiative feedback are well-documented,…

astro-ph.GA2024

Where is the Super-Virial Gas? The Supply from hot inflows

Manami Roy, Kung-Yi Su, Smita Mathur +1

In an effort to understand the presence of super-virial gas detected in the Milky Way, we present our findings from isolated galaxy simulations of Milky Way-like systems using GIZM…

astro-ph.GA2024★ 2 cited

The All-Sky Impact of the LMC on the Milky Way Circumgalactic Medium

Christopher Carr, Greg L. Bryan, Nicolás Garavito-Camargo +3

The first infall of the LMC into the Milky Way (MW) represents a large and recent disruption to the MW circumgalactic medium (CGM). In this work, we use idealized, hydrodynamical s…

astro-ph.GA2024

Unravelling the role of merger histories in the population of In situ stars: linking IllustrisTNG cosmological simulation to H3 survey

Razieh Emami, Lars Hernquist, Randall Smith +16

We undertake a comprehensive investigation into the distribution of in~situ stars within Milky Way-like galaxies, leveraging TNG50 simulations and comparing their predictions with…

astro-ph.HE2024★ 2 cited

Multi-Zone Modeling of Black Hole Accretion and Feedback in 3D GRMHD: Bridging Vast Spatial and Temporal Scales

Hyerin Cho, Ben S. Prather, Kung-Yi Su +2

Simulating accretion and feedback from the horizon scale of supermassive black holes (SMBHs) out to galactic scales is challenging because of the vast range of scales involved. Ela…

astro-ph.GA2023★ 1 cited

Observational Signatures of AGN Feedback in the Morphology and the Ionization States of Milky Way-like Galaxies

Nadia Qutob, Razieh Emami, Kung-Yi Su +24

We make an in-depth analysis of different AGN jet models' signatures, inducing quiescence in galaxies with a halo mass of . Three jet models, including cosmic ray-…

astro-ph.GA2023★ 2 cited

Unraveling Jet Quenching Criteria Across L* Galaxies and Massive Cluster Ellipticals

Kung-Yi Su, Greg L. Bryan, Christopher C. Hayward +8

In the absence of supplementary heat, the radiative cooling of halo gas around massive galaxies (Milky Way mass and above) leads to an excess of cold gas or stars beyond observed l…

astro-ph.GA2023

Seeding the CGM: How Satellites Populate the Cold Phase of Milky Way Halos

Manami Roy, Kung-Yi Su, Stephanie Tonnesen +2

The origin of the cold phase in the CGM is a highly debated question. We investigate the contribution of satellite galaxies to the cold gas budget in the circumgalactic medium (CGM…

astro-ph.GA2023

Dense stellar clump formation driven by strong quasar winds in the FIRE cosmological hydrodynamic simulations

Jonathan Mercedes-Feliz, Daniel Anglés-Alcázar, Boon Kiat Oh +9

We investigate the formation of dense stellar clumps in a suite of high-resolution cosmological zoom-in simulations of a massive, star forming galaxy at under the presen…

astro-ph.HE2023★ 1 cited

Bridging Scales in Black Hole Accretion and Feedback: Magnetized Bondi Accretion in 3D GRMHD

Hyerin Cho, Ben S. Prather, Ramesh Narayan +4

Fueling and feedback couple supermassive black holes (SMBHs) to their host galaxies across many orders of magnitude in spatial and temporal scales, making this problem notoriously…

astro-ph.HE2023★ 17 cited

An Analytic Model For Magnetically-Dominated Accretion Disks

Philip F. Hopkins, Jonathan Squire, Eliot Quataert +6

Recent numerical cosmological radiation-magnetohydrodynamic-thermochemical-star formation simulations have resolved the formation of quasar accretion disks with Eddington or super-…

astro-ph.HE2023★ 49 cited

FORGE'd in FIRE II: The Formation of Magnetically-Dominated Quasar Accretion Disks from Cosmological Initial Conditions

Philip F. Hopkins, Jonathan Squire, Kung-Yi Su +9

In a companion paper, we reported the self-consistent formation of quasar accretion disks with inflow rates down to <300 Schwarzschild radii fro…