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The Atlas3D project -- I. A volume-limited sample of 260 nearby early-type galaxies: science goals and selection criteria
Michele Cappellari, Eric Emsellem, Davor Krajnovic +23
The Atlas3D project is a multi-wavelength survey combined with a theoretical modeling effort. The observations span from the radio to the millimeter and optical, and provide multi-…
Disruption of Star Clusters in the Interacting Antennae Galaxies
Simon J. Karl, S. Michael Fall, Thorsten Naab
We reexamine the age distribution of star clusters in the Antennae in the context of N-body+hydrodynamical simulations of these interacting galaxies. All of the simulations that ac…
Galactic ménage à trois: Simulating magnetic fields in colliding galaxies
H. Kotarba, H. Lesch, K. Dolag +4
We present high resolution simulations of a multiple merger of three disk galaxies including the evolution of magnetic fields performed with the N-body/SPH code Gadget. For the fir…
Short-lived star-forming giant clumps in cosmological simulations of z~2 disks
Shy Genel, Thorsten Naab, Reinhard Genzel +7
Many observed massive star-forming z\approx2 galaxies are large disks that exhibit irregular morphologies, with \sim1kpc, \sim10^(8-10)Msun clumps. We present the largest sample to…
The Two Phases of Galaxy Formation
Ludwig Oser, Jeremiah P. Ostriker, Thorsten Naab +2
Cosmological simulations of galaxy formation appear to show a two-phase character with a rapid early phase at z>2 during which in-situ stars are formed within the galaxy from infal…
The Effects of X-Ray and UV Background Radiation on the Low-Mass Slope of the Galaxy Mass Function
D. C. Hambrick, J. P. Ostriker, P. H. Johansson +1
Even though the dark-matter power spectrum in the absence of biasing predicts a number density of halos n(M) ~ M^-2 (i.e. a Schechter alpha value of -2) at the low-mass end (M < 10…