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The Origin of Disks and Spheroids in Simulated Galaxies
Laura V. Sales, Julio F. Navarro, Tom Theuns +5
In the simplest scenario, disk galaxies form predominantly in halos with high angular momentum and quiet recent assembly history, whereas spheroids are the slowly-rotating remnants…
The Aquila comparison Project: The Effects of Feedback and Numerical Methods on Simulations of Galaxy Formation
C. Scannapieco, M. Wadepuhl, O. H. Parry +20
We compare the results of thirteen cosmological gasdynamical codes used to simulate the formation of a galaxy in the LCDM structure formation paradigm. The various runs differ in t…
Chemical signatures of formation processes in the stellar populations of simulated galaxies
Patricia B. Tissera, Simon D. M. White, Cecilia Scannapieco
We study the chemical properties of the stellar populations in eight simulations of the formation of Milky-Way mass galaxies in a LCDM Universe. Our simulations include metal-depen…
Confronting theoretical models with the observed evolution of the galaxy population out to z=4
Bruno Henriques, Simon White, Gerard Lemson +4
[abridged] We construct lightcones for the semi-analytic galaxy formation simulation of Guo et al. (2011) and make mock catalogues for comparison with deep high-redshift surveys. P…
Evolution of the Most Massive Galaxies to z=0.6: I. A New Method for Physical Parameter Estimation
Yan-Mei Chen, Guinevere Kauffmann, Christy A. Tremonti +10
We use principal component analysis (PCA) to estimate stellar masses, mean stellar ages, star formation histories (SFHs), dust extinctions and stellar velocity dispersions for ~290…
Formation history, structure and dynamics of discs and spheroids in simulated Milky Way mass galaxies
Cecilia Scannapieco, Simon D. M White, Volker Springel +1
We study the stellar discs and spheroids in eight simulations of galaxy formation within Milky Way-mass haloes in a Lambda Cold Dark Matter cosmology. A first paper in this series…