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How the Cookie Crumbles: A Model for Star-forming Clumps in High-redshift Disk Galaxies
Matthew E. Orr, Douglas Rennehan
We present a simple model for the number distribution of maximally star-forming clumps in rotating disk galaxies, at high- with high gas surface densities. By combining assumpti…
Inside-out versus Upside-down: The Origin and Evolution of Metallicity Radial Gradients in FIRE Simulations of Milky Way-mass Galaxies and the Essential Role of Gas Mixing
Russell L. Graf, Andrew Wetzel, Jeremy Bailin +1
Within the Milky Way (MW), younger stellar populations exhibit steeper (more negative) metallicity radial gradients; the origin of this trend remains debated. The FIRE-2 cosmologic…
Diverse dark matter profiles in FIRE dwarfs: black holes, cosmic rays and the cusp-core enigma
Sophie Koudmani, Douglas Rennehan, Rachel S. Somerville +5
Dwarf galaxies have historically posed challenges to the cold dark matter (CDM) model and, while many of the so-called 'dwarf galaxy problems' have been mitigated by incorporating…
Pumping Iron: How turbulent metal diffusion impacts multiphase galactic outflows
Ulrich P. Steinwandel, Douglas Rennehan, Matthew E. Orr +2
Most numerical simulations of galaxy formation and evolution are unable to properly resolve the turbulent cascade at or below the resolution scale and turbulence models are require…
Any Way the Wind Blows: Quantifying Superbubbles and their Outflows in Simulated Galaxies across
Lori E. Porter, Matthew E. Orr, Blakesley Burkhart +4
We present an investigation of clustered stellar feedback in the form of superbubbles identified within eleven galaxies from the FIRE-2 (Feedback in Realistic Environments) cosmolo…
Objects May Be Closer Than They Appear: Significant Host Galaxy Dispersion Measures of Fast Radio Bursts in Zoom-in Simulations
Matthew E. Orr, Blakesley Burkhart, Wenbin Lu +2
We investigate the contribution of host galaxies to the overall Dispersion Measures (DMs) for Fast Radio Bursts (FRBs) using the Feedback in Realistic Environments (FIRE-2) cosmolo…