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Cosmic Rays or Turbulence can Suppress Cooling Flows (Where Thermal Heating or Momentum Injection Fail)
Kung-Yi Su, Philip F. Hopkins, Christopher C. Hayward +6
The quenching `maintenance' and `cooling flow' problems are important from the Milky Way through massive cluster elliptical galaxies. Previous work has shown that some source of en…
Cosmic ray feedback in the FIRE simulations: constraining cosmic ray propagation with GeV gamma ray emission
T. K. Chan, D. Keres, P. F. Hopkins +4
We present the implementation and the first results of cosmic ray (CR) feedback in the Feedback In Realistic Environments (FIRE) simulations. We investigate CR feedback in non-cosm…
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…
Gas Kinematics in FIRE Simulated Galaxies Compared to Spatially Unresolved HI Observations
Kareem El-Badry, Jeremy Bradford, Eliot Quataert +9
The shape of a galaxy's spatially unresolved, globally integrated 21-cm emission line depends on its internal gas kinematics: galaxies with rotation-supported gas disks produce dou…