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A Semi-Analytic Model for the Co-evolution of Galaxies, Black Holes, and Active Galactic Nuclei
Rachel S. Somerville, Philip F. Hopkins, Thomas J. Cox +2
We present a new semi-analytic model that self-consistently traces the growth of supermassive black holes (BH) and their host galaxies within the context of the LCDM cosmological f…
Dissipation and the Fundamental Plane: Observational Tests
Philip F. Hopkins, Thomas J. Cox, Lars Hernquist
We develop observational tests of the idea that dissipation in gas-rich mergers produces the fundamental plane (FP) and related correlations obeyed by ellipticals. The FP 'tilt' im…
The Radical Consequences of Realistic Satellite Orbits for the Heating and Implied Merger Histories of Galactic Disks
Philip F. Hopkins, Lars Hernquist, Thomas J. Cox +2
Previous models of galactic disk heating in interactions invoke restrictive assumptions not necessarily valid in modern LCDM contexts: that satellites and orbits are rigid and circ…
Dissipation and Extra Light in Galactic Nuclei: II. 'Cusp' Ellipticals
Philip F. Hopkins, Thomas J. Cox, Suvendra N. Dutta +3
We study the origin and properties of 'extra' or 'excess' central light in the surface brightness profiles of cusp or power-law ellipticals. Dissipational mergers give rise to two-…
The Self-Regulated Growth of Supermassive Black Holes
Joshua D. Younger, Philip F. Hopkins, T. J. Cox +1
We present a series of simulations of the self--regulated growth of supermassive black holes (SMBHs) in galaxies via three different fueling mechanisms: major mergers, minor merger…
On the Origin of Dynamically Cold Rings Around the Milky Way
Joshua D. Younger, Gurtina Besla, T. J. Cox +3
We present a scenario for the production of dynamically cold rings around the Milky Way via a high-eccentricity, flyby encounter. These initial conditions are more cosmologically m…