activity
20152026
most citedGravitational torque-driven black hole growth and feedback in cosmological simulations

254 citations · 536 across the 34 of their papers we have counts for

collaborators

38 papers

astro-ph.GA2026

FORGE'd in Fragments: Pop III star formation in a Milky Way-like progenitor halo

Vasilii Pustovoit, Shivan Khullar, Norman Murray +5

We present a radiation-magnetohydrodynamic (RMHD) cosmological zoom-in simulation of Pop III star formation, drawing initial conditions from a Milky Way-like progenitor halo at red…

astro-ph.GA2026

FORGE'd In The Early Universe II: Constraining The Pop III Initial Mass Function

Yasmine J. Meziani, Philip F. Hopkins, Pratik J. Gandhi +4

We present a cosmological radiation-magnetohydrodynamics (RMHD) zoom-in simulation of Population III stars using FORGE'd in FIRE. Our simulation combines a cosmological initia…

astro-ph.GA2026

The impact of Population III stars on the elemental enrichment of ultra-faint galaxies in the FIRE-3 zoom-in simulations

Pratik J. Gandhi, Earl P. Bellinger, Marla Geha +7

The observed stellar mass-metallicity relation for ultra-faint galaxies in the Local Group (LG) is in tension with many theoretical predictions, suggesting the need for modified or…

astro-ph.GA2026

The Impact of Simulation Resolution on Dwarf Galaxy Stellar Stream Populations in FIRE

Yasmine J. Meziani, Nondh Panithanpaisal, Robyn E. Sanderson +4

Cosmological simulations allow us to study galaxy-progenitor stream populations, allowing comparisons with observations to constrain galaxy formation physics. Previous work found t…

astro-ph.GA2026

Resolving galaxy formation in the early Universe with BonFIRE and CampFIRE

Jenna Samuel, Michael Boylan-Kolchin, Robert Feldmann +16

The abundance and rapid growth of galaxies at cosmic dawn revealed by the James Webb Space Telescope challenges models of galaxy formation, motivating new simulations to uncover th…

astro-ph.GA2026

Beyond Cloud-9: The case for discovering more HI-rich failed halos

Jorge Moreno, Coral Wheeler, Francisco J. Mercado +8

HI-rich starless halos, should they exist, hold great promise for elucidating dark matter halo structure. Yet realizing this potential demands reliable theoretical predictions for…

astro-ph.SR2026

FORGE'd in the Early Universe: The Effect of Protostellar Outflows on Pop III Accretion

Yasmine J. Meziani, Philip F. Hopkins, Michael Y. Grudić +3

We present a cosmological zoom-in radiation magneto-hydrodynamic (RMHD) simulation, using FORGE'd in FIRE, that follows the formation, growth, and evolution of a single metal-free…

astro-ph.GA2025

Igniting galaxy formation in the post-reionization universe

Jorge Moreno, Coral Wheeler, Francisco J. Mercado +9

It is widely believed that the ultraviolet background produced during the epoch of reionization conspires against the formation of low-mass galaxies. Indeed, this mechanism is ofte…

astro-ph.GA2025

Further correction to the STARFORGE methods paper: Planck-mean dust opacities

Michael Y. Grudić, Dávid Guszejnov, Philip F. Hopkins +2

The model for the Planck-mean dust opacity given in Appendix C of the STARFORGE simulations methods paper does not extrapolate well to low radiation temperature $T_{\rm rad…

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

The role of galactic winds fueling central starbursts and quasars in the FIRE cosmological simulations

Jonathan Mercedes-Feliz, Daniel Anglés-Alcázar, Boon Kiat Oh +7

Central starbursts and Active Galactic Nuclei (AGN) are thought to be fueled by either galaxy interactions or secular processes in gravitationally unstable discs. We employ cosmolo…

astro-ph.GA2025

Connecting Cores and Black Hole Dynamics Across Scales: From Globular Clusters to Massive Ellipticals

Kyle Kremer, Newlin C. Weatherford, Philip F. Hopkins +2

The centers of massive elliptical galaxies exhibit a wide range in density profiles, from central cusps to resolved cores with order kiloparsec sizes. The cored ellipticals have be…

astro-ph.GA2025★ 1 cited

Galaxy Metallicity Gradients in the Reionization Epoch from the FIRE-2 Simulations

Xunda Sun, Xin Wang, Fangzhou Jiang +10

We employ the high-redshift suite of FIRE-2 cosmological hydrodynamic zoom-in simulations to investigate the evolution of gas-phase metallicity radial gradients in galaxies in the…

astro-ph.GA2025

Breaking Down the : Toward Modeling and Understanding Globular Cluster Stellar Streams in a Fully Cosmological Context

Nondh Panithanpaisal, Robyn E. Sanderson, Carl L. Rodriguez +7

Next-generation surveys are expected to uncover thousands of globular cluster (GC) stellar streams, motivating the need for a theoretical framework that produces realistic GC strea…

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.GA2025

Disks no more: the morphology of low-mass simulated galaxies in FIREbox

José A. Benavides, Laura V. Sales, Andrew Wetzel +9

We study the morphology of hundreds of simulated central galaxies in the stellar mass range \msun\, from the FIREbox cosmological volume. We demons…

astro-ph.GA2025

How invisible stellar halos bias our understanding of ultra-faint galaxies

Coral Wheeler, Jorge Moreno, M. Katy Rodriguez Wimberly +6

We explore how a realistic surface brightness detection limit of mag arcsec for stars at the edges of ultra-faint galaxies affects our ability to infer th…

astro-ph.GA2025★ 1 cited

Constraining cosmic ray transport models using circumgalactic medium properties and observables

Yue Samuel Lu, Dušan Kereš, Philip F. Hopkins +3

Cosmic rays (CRs) are a pivotal non-thermal component of galaxy formation and evolution. However, the intricacies of CR physics, particularly how they propagate in the circumgalact…

astro-ph.HE2025★ 11 cited

Cosmic Rays Masquerading as Hot CGM Gas: An Inverse-Compton Origin for Diffuse X-ray Emission in the Circumgalactic Medium

Philip F. Hopkins, Eliot Quataert, Sam B. Ponnada +1

Observations have argued that Milky Way (MW), Andromeda, and lower-mass galaxies exhibit extended soft X-ray diffuse halos to radii kpc in the circumgalactic medium…

astro-ph.GA2025★ 5 cited

Central densities of dark matter halos in FIRE-2 simulations of low-mass galaxies with cold dark matter and self-interacting dark matter

Maria C. Straight, Michael Boylan-Kolchin, James S. Bullock +6

We investigate the central density structure of dark matter halos in cold dark matter (CDM) and self-interacting dark matter (SIDM) models using simulations that are part of the Fe…

astro-ph.GA2025★ 2 cited

Effects of galactic environment on size and dark matter content in low-mass galaxies

Francisco J. Mercado, Jorge Moreno, Robert Feldmann +8

We utilize the cosmological volume simulation, FIREbox, to investigate how a galaxy's environment influences its size and dark matter content. Our study focuses on approximately 1,…

astro-ph.GA2024

The Effect of Galaxy Interactions on Starbursts in Milky Way-Mass Galaxies in FIRE Simulations

Fei Li, Mubdi Rahman, Norman Murray +5

Simulations and observations suggest that galaxy interactions may enhance the star formation rate (SFR) in merging galaxies. One proposed mechanism is the torque exerted on the gas…

astro-ph.GA2024

Hooks, Lines, and Sinkers: How AGN Feedback and Cosmic-Ray Transport shape the Far Infrared-Radio Correlation of Galaxies

Sam B. Ponnada, Rachel K. Cochrane, Philip F. Hopkins +7

The far-infrared (FIR) - radio correlation (FRC) is one of the most promising empirical constraints on the role of cosmic-rays (CRs) and magnetic fields (\textbf{B}) in galaxy form…

astro-ph.GA2024

Cosmological predictions for minor axis stellar density profiles in the inner regions of Milky Way-mass galaxies

Madeline Lucey, Robyn Sanderson, Danny Horta +5

CDM cosmology predicts the hierarchical formation of galaxies which build up mass by merger events and accreting smaller systems. The stellar halo of the Milky Way has proven to…