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Radiative Feedback in Relic HII Regions at High-Redshift
Andrei Mesinger, Greg L. Bryan, Zoltan Haiman
UV radiation from early astrophysical sources could have a large impact on subsequent star formation in nearby protogalaxies. Here we study the radiative feedback from the first, s…
Dependence of Interstellar Turbulent Pressure on Supernova Rate
M. Ryan Joung, Mordecai-Mark Mac Low, Greg L. Bryan
Feedback from massive stars is one of the least understood aspects of galaxy formation. We perform a suite of vertically stratified local interstellar medium (ISM) simulations in w…
A test suite for quantitative comparison of hydrodynamics codes in astrophysics
Elizabeth J. Tasker, Riccardo Brunino, Nigel L. Mitchell +5
We test four commonly used astrophysical simulation codes; Enzo, Flash, Gadget and Hydra, using a suite of numerical problems with analytic initial and final states. Situations sim…
The Impact of ICM Substructure on Ram Pressure Stripping
Stephanie Tonnesen, Greg L. Bryan
Cluster galaxies moving through the intracluster medium (ICM) are expected to lose some of their interstellar medium (ISM) through ram pressure stripping and related ISM-ICM intera…
Galaxy Size Problem at z=3: Simulated Galaxies Are Too Small
M. K. Ryan Joung, Renyue Cen, Greg Bryan
Using state-of-the-art adaptive mesh refinement cosmological hydrodynamic simulations with a spatial resolution of proper 0.21kpc/h in refined subregions embedded within a comoving…
Simulating the ISM in Global Disk Galaxies
Elizabeth J. Tasker, Greg L. Bryan, Jonathan C. Tan
Until recently, simulations that modeled entire galaxies were restricted to an isothermal or fixed 2- or 3-phase interstellar medium (ISM). This obscured the full role of the ISM i…