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The Aquila comparison project : the effects of feedback and numerical methods on simulations of galaxy formation.
(2012-06)
We compare the results of various cosmological gas-dynamical codes used to simulate the formation of a galaxy in the ? cold dark matter structure formation paradigm. The various runs (13 in total) differ in their numerical ...
Metallicity gradients in disks : Do galaxies form inside-out?
(2012-04)
Aims. We examine radial and vertical metallicity gradients using a suite of disk galaxy hydrodynamical simulations, supplemented with two classic chemical evolution approaches. We determine the rate of change of gradient ...