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The stellar mass assembly of galaxies in the Illustris simulation: growth by mergers and the spatial distribution of accreted stars
Vicente Rodriguez-Gomez, Annalisa Pillepich, Laura V. Sales +9
We use the Illustris simulation to study the relative contributions of in situ star formation and stellar accretion to the build-up of galaxies over an unprecedentedly wide range o…
Modeling Galactic Conformity with the Color-Halo Age Relation in the Illustris Simulation
Aaron D. Bray, Annalisa Pillepich, Laura V. Sales +9
Comparisons between observational surveys and galaxy formation models find that the mass of dark matter haloes can largely explain galaxies' stellar mass. However, it remains uncer…
Large-scale mass distribution in the Illustris simulation
Markus Haider, Dominik Steinhauser, Mark Vogelsberger +4
Observations at low redshifts thus far fail to account for all of the baryons expected in the Universe according to cosmological constraints. A large fraction of the baryons presum…
The diverse evolutionary paths of simulated high-z massive, compact galaxies to z=0
Sarah Wellons, Paul Torrey, Chung-Pei Ma +6
Massive quiescent galaxies have much smaller physical sizes at high redshift than today. The strong evolution of galaxy size may be caused by progenitor bias, major and minor merge…
Galactic Angular Momentum in the Illustris Simulation: Feedback and the Hubble Sequence
Shy Genel, S. Michael Fall, Lars Hernquist +5
We study the stellar angular momentum of thousands of galaxies in the Illustris cosmological simulation, which captures gravitational and gas dynamics within galaxies, as well as f…
The Illustris Simulation: Public Data Release
Dylan Nelson, Annalisa Pillepich, Shy Genel +12
We present the full public release of all data from the Illustris simulation project. Illustris is a suite of large volume, cosmological hydrodynamical simulations run with the mov…