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The Dark Halo - Spheroid Conspiracy and the Origin of Elliptical Galaxies
Rhea-Silvia Remus, Andreas Burkert, Klaus Dolag +4
Dynamical modeling and strong lensing data indicate that the total density profiles of early-type galaxies are close to isothermal, i.e., rho_tot ~ r^gamma with gamma approx -2. To…
Assembly Histories and Observational Properties of Simulated Early-type Galaxies
Peter H. Johansson
We demonstrate that massive simulated galaxies assemble in two phases, with the initial growth dominated by compact in situ star formation, whereas the late growth is dominated by…
Radiative and Momentum Based Mechanical AGN Feedback in a 3-Dimensional Galaxy Evolution Code
Ena Choi, Jeremiah P. Ostriker, Thorsten Naab +1
We study the growth of black holes (BHs) in galaxies using three-dimensional smoothed particle hydrodynamic simulations with new implementations of the momentum mechanical feedback…
Forming Early-Type Galaxies in LambdaCDM Simulations -I. Assembly histories
Peter H. Johansson, Thorsten Naab, Jeremiah P. Ostriker
We present a sample of nine high resolution cosmological simulations in the mass range of M_vir=7x10^11-4x10^12 M_sun starting from LambdaCDM initial conditions. Our simulations in…