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The Signatures of Large-scale Temperature and Intensity Fluctuations in the Lyman-alpha Forest
Matthew McQuinn, Lars Hernquist, Adam Lidz +1
It appears inevitable that reionization processes would have produced large-scale temperature fluctuations in the intergalactic medium. Using toy temperature models and detailed he…
Dynamics of the Magellanic Clouds in a LCDM Universe
Michael Boylan-Kolchin, Gurtina Besla, Lars Hernquist
We examine Milky Way-Magellanic Cloud systems selected from the Millennium-II Simulation in order to place the orbits of the Magellanic Clouds in a cosmological context. Our analys…
Quasi-Resonant Theory of Tidal Interactions
Elena D'Onghia, Mark Vogelsberger, C. -A. Faucher-Giguere +1
When a spinning system experiences a transient gravitational encounter with an external perturber, a quasi-resonance occurs if the spin frequency of the victim matches the peak orb…
Recoiling Black Holes in Merging Galaxies: Relationship to AGN Lifetimes, Starbursts, and the M-sigma Relation
Laura Blecha, Thomas J. Cox, Abraham Loeb +1
Gravitational-wave (GW) recoil of merging supermassive black holes (SMBHs) may influence the co-evolution of SMBHs and their host galaxies. We examine this possibility using SPH/N-…
Do sub-millimeter galaxy number counts provide evidence for a top-heavy IMF?
Christopher C. Hayward, Desika Narayanan, Patrik Jonsson +4
Theoretical models have had difficulty matching the observed number density of sub-millimeter galaxies (SMGs), causing some authors (e.g., Baugh et al. 2005) to suggest that SMGs p…
On Sizes, Kinematics, M/L Gradients, and Light Profiles of Massive Compact Galaxies at z~2
Stijn Wuyts, Thomas J. Cox, Christopher C. Hayward +5
We present a detailed analysis of the structure and resolved stellar populations of simulated merger remnants, and compare them to observations of compact quiescent galaxies at z ~…