activity
20132025
most citedFIRE-2 Simulations: Physics versus Numerics in Galaxy Formation

1.1k citations · 5.5k across the 51 of their papers we have counts for

collaborators

50 papers

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★ 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.GA2024★ 7 cited

The physical origin of positive metallicity radial gradients in high-redshift galaxies: insights from the FIRE-2 cosmological hydrodynamic simulations

Xunda Sun, Xin Wang, Xiangcheng Ma +11

Using the FIRE-2 cosmological zoom-in simulations, we investigate the temporal evolution of gas-phase metallicity radial gradients of Milky Way-mass progenitors in the redshift ran…

astro-ph.GA2024★ 1 cited

Host-galaxy stars can dominate the ionizing radiation field of the circumgalactic medium in galaxies at Cosmic Noon

Francisco Holguin, Christopher C. Hayward, Xiangcheng Ma +2

Elucidating the processes that shape the circumgalactic medium (CGM) is crucial for understanding galaxy evolution. Absorption and emission diagnostics can be interpreted using pho…

astro-ph.GA2023★ 36 cited

Inspiraling streams of enriched gas observed around a massive galaxy 11 billion years ago

Shiwu Zhang, Zheng Cai, Dandan Xu +19

Stars form in galaxies, from gas that has been accreted from the intergalactic medium. Simulations have shown that recycling of gas-the reaccretion of gas that was previously eject…

astro-ph.GA2022★ 13 cited

Spatially Resolved Gas-phase Metallicity in FIRE-2 Dwarfs: Late-Time Evolution of Metallicity Relations in Simulations with Feedback and Mergers

Lori E. Porter, Matthew E. Orr, Blakesley Burkhart +4

We present an analysis of spatially resolved gas-phase metallicity relations in five dwarf galaxies (, …

astro-ph.GA2022★ 15 cited

Formation of proto-globular cluster candidates in cosmological simulations of dwarf galaxies at

Omid Sameie, Michael Boylan-Kolchin, Philip F. Hopkins +8

We perform cosmological hydrodynamical simulations to study the formation of proto-globular cluster candidates in progenitors of present-day dwarf galaxies $(M_{\rm vir} \approx 10…

astro-ph.GA2022★ 139 cited

FIRE-3: Updated Stellar Evolution Models, Yields, & Microphysics and Fitting Functions for Applications in Galaxy Simulations

Philip F. Hopkins, Andrew Wetzel, Coral Wheeler +18

Increasingly, uncertainties in predictions from galaxy formation simulations (at sub-Milky Way masses) are dominated by uncertainties in stellar evolution inputs. In this paper, we…

astro-ph.GA2022★ 137 cited

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

Andrew Wetzel, Christopher C. Hayward, Robyn E. Sanderson +23

We describe a public data release of the FIRE-2 cosmological zoom-in simulations of galaxy formation, available at http://flathub.flatironinstitute.org/fire, from the Feedback In R…

astro-ph.GA2021★ 24 cited

Testing the Relationship Between Bursty Star Formation and Size Fluctuations of Local Dwarf Galaxies

Najmeh Emami, Brian Siana, Kareem El-Badry +7

Stellar feedback in dwarf galaxies plays a critical role in regulating star formation via galaxy-scale winds. Recent hydrodynamical zoom simulations of dwarf galaxies predict that…

astro-ph.GA2021★ 72 cited

The bursty origin of the Milky Way thick disc

Sijie Yu, James S. Bullock, Courtney Klein +11

We investigate thin and thick stellar disc formation in Milky-Way-mass galaxies using twelve FIRE-2 cosmological zoom-in simulations. All simulated galaxies experience an early per…

astro-ph.GA2021★ 58 cited

3-D gas-phase elemental abundances across the formation histories of Milky Way-mass galaxies in the FIRE simulations: initial conditions for chemical tagging

Matthew A. Bellardini, Andrew Wetzel, Sarah R. Loebman +3

We use FIRE-2 simulations to examine 3-D variations of gas-phase elemental abundances of [O/H], [Fe/H], and [N/H] in 11 Milky Way (MW) and M31-mass galaxies across their formation…

astro-ph.GA2021★ 69 cited

Seeds Don't Sink: Even Massive Black Hole "Seeds" Cannot Migrate to Galaxy Centers Efficiently

Linhao Ma, Philip F. Hopkins, Xiangcheng Ma +3

Possible formation scenarios of supermassive black holes in the early universe include rapid growth from less massive seed black holes (BHs) via super-Eddington accretion or runawa…

astro-ph.CO2020★ 46 cited

Exploring the epoch of hydrogen reionization using FRBs

Paz Beniamini, Pawan Kumar, Xiangcheng Ma +1

We describe three different methods for exploring the hydrogen reionization epoch using fast radio bursts (FRBs) and provide arguments for the existence of FRBs at high redshift (z…

astro-ph.GA2020★ 88 cited

A model for the formation of stellar associations and clusters from giant molecular clouds

Michael Y. Grudić, J. M. Diederik Kruijssen, Claude-André Faucher-Giguère +4

We present a large suite of MHD simulations of turbulent, star-forming giant molecular clouds(GMCs) with stellar feedback, extending previous work by simulating 10 different random…

astro-ph.GA2020★ 95 cited

Gas-phase metallicity gradients of TNG50 star-forming galaxies

Z. S. Hemler, Paul Torrey, Jia Qi +8

We present the radial gas-phase, mass-weighted metallicity profiles and gradients of the TNG50 star-forming galaxy population measured at redshifts 0--3. We investigate the re…

astro-ph.GA2020★ 133 cited

Virialization of the inner CGM in the FIRE simulations and implications for galaxy discs, star formation and feedback

Jonathan Stern, Claude-André Faucher-Giguère, Drummond Fielding +13

We use the FIRE-2 cosmological simulations to study the formation of a quasi-static, virial-temperature gas phase in the circumgalactic medium (CGM) at redshifts 0<z<5, and how the…

astro-ph.GA2020★ 14 cited

The contribution of globular clusters to cosmic reionization

Xiangcheng Ma, Eliot Quataert, Andrew Wetzel +2

We study the escape fraction of ionizing photons (f_esc) in two cosmological zoom-in simulations of galaxies in the reionization era with halo mass M_halo~10^10 and 10^11 M_sun (st…

astro-ph.GA2020★ 16 cited

The Origin and Evolution of Lyman-alpha Blobs in Cosmological Galaxy Formation Simulations

Benjamin Kimock, Desika Narayanan, Aaron Smith +8

High-redshift Lyman-alpha blobs (LABs) are an enigmatic class of objects that have been the subject of numerous observational and theoretical investigations. It is of particular in…

astro-ph.GA2020★ 135 cited

No missing photons for reionization: moderate ionizing photon escape fractions from the FIRE-2 simulations

Xiangcheng Ma, Eliot Quataert, Andrew Wetzel +3

We present the escape fraction of hydrogen ionizing photons (f_esc) from a sample of 34 high-resolution cosmological zoom-in simulations of galaxies at z>5 in the Feedback in Reali…

astro-ph.GA2020★ 11 cited

Towards Studying Hierarchical Assembly in Real Time: A Milky Way Progenitor Galaxy at z = 2.36 under the Microscope

Tom O. Zick, Daniel R. Weisz, Bruno Ribeiro +4

We use Hubble Space Telescope (HST) imaging and near-infrared spectroscopy from Keck/MOSFIRE to study the sub-structure around the progenitor of a Milky Way-mass galaxy in the Hubb…

astro-ph.GA2019★ 21 cited

Balmer breaks in simulated galaxies at z>6

C. Binggeli, E. Zackrisson, X. Ma +6

Photometric observations of the spectroscopically confirmed galaxy MACS1149-JD1 have indicated the presence of a prominent Balmer break in its spectral energy distri…

astro-ph.GA2019★ 100 cited

Self-consistent proto-globular cluster formation in cosmological simulations of high-redshift galaxies

Xiangcheng Ma, Michael Y. Grudić, Eliot Quataert +7

We report the formation of bound star clusters in a sample of high-resolution cosmological zoom-in simulations of z>5 galaxies from the FIRE project. We find that bound clusters pr…

astro-ph.GA2019★ 91 cited

Predictions for the spatial distribution of the dust continuum emission in 1<z<5 star-forming galaxies

R. K. Cochrane, C. C. Hayward, D. Anglés-Alcázar +7

We present the first detailed study of the spatially-resolved dust continuum emission of simulated galaxies at 1<z<5. We run the radiative transfer code SKIRT on a sample of submil…