activity
20122025
most citedFIRE-2 Simulations: Physics versus Numerics in Galaxy Formation

1.1k citations · 8.5k across the 56 of their papers we have counts for

collaborators

57 papers

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.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.GA2020★ 160 cited

A dark matter profile to model diverse feedback-induced core sizes of CDM haloes

Alexandres Lazar, James S. Bullock, Michael Boylan-Kolchin +11

We analyze the cold dark matter density profiles of 54 galaxy halos simulated with FIRE-2 galaxy formation physics, each resolved within of the halo virial radius. These ha…

astro-ph.GA2020★ 62 cited

The Edge of the Galaxy

Alis J. Deason, Azadeh Fattahi, Carlos S. Frenk +5

We use cosmological simulations of isolated Milky Way-mass galaxies, as well as Local Group analogues, to define the "edge" -- a caustic manifested in a drop in density or radial v…

astro-ph.GA2019★ 39 cited

Chasing Accreted Structures within Gaia DR2 using Deep Learning

Lina Necib, Bryan Ostdiek, Mariangela Lisanti +3

In previous work, we developed a deep neural network classifier that only relies on phase-space information to obtain a catalog of accreted stars based on the second data release o…

astro-ph.GA2019

Evidence for a Vast Prograde Stellar Stream in the Solar Vicinity

Lina Necib, Bryan Ostdiek, Mariangela Lisanti +6

Massive dwarf galaxies that merge with the Milky Way on prograde orbits can be dragged into the disk plane before being completely disrupted. Such mergers can contribute to an accr…

astro-ph.GA2019★ 25 cited

Cataloging Accreted Stars within Gaia DR2 using Deep Learning

Bryan Ostdiek, Lina Necib, Timothy Cohen +6

The goal of this study is to present the development of a machine learning based approach that utilizes phase space alone to separate the Gaia DR2 stars into two categories: those…

astro-ph.HE2019★ 174 cited

Predicting the LISA white dwarf binary population in the Milky Way with cosmological simulations

Astrid Lamberts, Sarah Blunt, Tyson Littenberg +3

Short-period (P<1 hour) white dwarf binaries will be the most numerous sources for the space-based gravitational wave detector LISA. Based on thousands of resolved systems, we will…

astro-ph.GA2019★ 33 cited

Characterizing the Infall Times and Quenching Timescales of Milky Way Satellites with Proper Motions

Sean P. Fillingham, Michael C. Cooper, Tyler Kelley +6

Observations of low-mass satellite galaxies in the nearby Universe point towards a strong dichotomy in their star-forming properties relative to systems with similar mass in the fi…

astro-ph.GA2019★ 190 cited

But What About... Cosmic Rays, Magnetic Fields, Conduction, & Viscosity in Galaxy Formation

Philip F. Hopkins, T. K. Chan, Shea Garrison-Kimmel +6

We present a suite of high-resolution cosmological simulations, using the FIRE-2 feedback physics together with explicit treatment of magnetic fields, anisotropic conduction and vi…

astro-ph.GA2019★ 129 cited

A profile in FIRE: resolving the radial distributions of satellite galaxies in the Local Group with simulations

Jenna Samuel, Andrew Wetzel, Erik Tollerud +9

While many tensions between Local Group (LG) satellite galaxies and LCDM cosmology have been alleviated through recent cosmological simulations, the spatial distribution of satelli…

astro-ph.GA2019★ 135 cited

Star formation histories of dwarf galaxies in the FIRE simulations: dependence on mass and Local Group environment

Shea Garrison-Kimmel, Andrew Wetzel, Phillip F. Hopkins +13

We study star formation histories (SFHs) of dwarf galaxies (stellar mass ) from FIRE-2 cosmological zoom-in simulations. We compare dwarf…

astro-ph.GA2018★ 200 cited

Be it therefore resolved: Cosmological Simulations of Dwarf Galaxies with Extreme Resolution

Coral Wheeler, Philip F. Hopkins, Andrew B. Pace +7

We study a suite of extremely high-resolution cosmological FIRE simulations of dwarf galaxies (), run to with resolut…

astro-ph.GA2018★ 130 cited

Phat ELVIS: The inevitable effect of the Milky Way's disk on its dark matter subhaloes

Tyler Kelley, James S. Bullock, Shea Garrison-Kimmel +3

We introduce an extension of the ELVIS project to account for the effects of the Milky Way galaxy on its subhalo population. Our simulation suite, Phat ELVIS, consists of twelve hi…

astro-ph.GA2018★ 77 cited

Dwarf Galaxies in CDM, WDM, and SIDM: Disentangling Baryons and Dark Matter Physics

Alex Fitts, Michael Boylan-Kolchin, Brandon Bozek +9

We present a suite of FIRE-2 cosmological zoom-in simulations of isolated field dwarf galaxies, all with masses of M at , across a r…

astro-ph.GA2018★ 200 cited

The Origins of the Circumgalactic Medium in the FIRE Simulations

Z. Hafen, C. -A. Faucher-Giguere, D. Angles-Alcazar +10

We use a particle tracking analysis to study the origins of the circumgalactic medium (CGM), separating it into (1) accretion from the intergalactic medium (IGM), (2) wind from the…

astro-ph.GA2018★ 59 cited

Under the Firelight: Stellar Tracers of the Local Dark Matter Velocity Distribution in the Milky Way

Lina Necib, Mariangela Lisanti, Shea Garrison-Kimmel +5

The Gaia era opens new possibilities for discovering the remnants of disrupted satellite galaxies in the Solar neighborhood. If the population of local accreted stars is correlated…

astro-ph.GA2018★ 52 cited

How low does it go? Too few Galactic satellites with standard reionization quenching

Andrew S. Graus, James S. Bullock, Tyler Kelley +3

A standard prediction of galaxy formation theory is that the ionizing background suppresses galaxy formation in haloes with peak circular velocities smaller than Vpeak ~ 20 km/s, r…

astro-ph.GA2018★ 224 cited

The Local Group on FIRE: Dwarf galaxy populations across a suite of hydrodynamic simulations

Shea Garrison-Kimmel, Philip F. Hopkins, Andrew Wetzel +8

We present a new set of high-resolution hydrodynamic cosmological zoom-in simulations that apply the Feedback In Realistic Environments (FIRE) physics to both Local Group (LG)-like…

astro-ph.GA2018★ 123 cited

Synthetic Gaia surveys from the FIRE cosmological simulations of Milky Way-mass galaxies

Robyn E. Sanderson, Andrew Wetzel, Sarah Loebman +6

With Gaia Data Release 2, the astronomical community is entering a new era of multidimensional surveys of the Milky Way. This new phase-space view of our Galaxy demands new tools f…

astro-ph.GA2018★ 65 cited

The Suppression of Star Formation on the Smallest Scales: What Role Does Environment Play?

M. K. Rodriguez Wimberly, M. C. Cooper, S. P. Fillingham +3

The predominantly ancient stellar populations observed in the lowest-mass galaxies (i.e. ultra-faint dwarfs) suggest that their star formation was suppressed by reionization. Most…

astro-ph.GA2018★ 51 cited

Formation, vertex deviation and age of the Milky Way's bulge: input from a cosmological simulation with a late-forming bar

Victor P. Debattista, Oscar A. Gonzalez, Robyn E. Sanderson +5

We present the late-time evolution of m12m, a cosmological simulation of a Milky Way-like galaxy from the FIRE project. The simulation forms a bar after redshift z = 0.2. We show t…

astro-ph.GA2018★ 156 cited

Where are the most ancient stars in the Milky Way?

Kareem El-Badry, Joss Bland-Hawthorn, Andrew Wetzel +7

The oldest stars in the Milky Way (MW) bear imprints of the Galaxy's early assembly history. We use FIRE cosmological zoom-in simulations of three MW-mass disk galaxies to study th…

astro-ph.GA2018★ 42 cited

Warm FIRE: Simulating Galaxy Formation with Resonant Sterile Neutrino Dark Matter

Brandon Bozek, Alex Fitts, Michael Boylan-Kolchin +8

We study the impact of a warm dark matter (WDM) cosmology on dwarf galaxy formation through a suite of cosmological hydrodynamical zoom-in simulations of $M_{\rm halo} \approx10^{1…