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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…
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…
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…
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…