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Hydrodynamical simulations and semi-analytic models of galaxy formation: two sides of the same coin
Eyal Neistein, Sadegh Khochfar, Claudio Dalla Vecchia +1
In this work we develop a new method to turn a state-of-the-art hydrodynamical cosmological simulation of galaxy formation (HYD) into a simple semi-analytic model (SAM). This is ac…
A modified star formation law as a solution to open problems in galaxy evolution
Lan Wang, Simone M. Weinmann, Eyal Neistein
In order to reproduce the low mass end of the stellar mass function, most current models of galaxy evolution invoke very efficient supernova feedback. This solution seems to suffer…
A tale of two populations: the stellar mass of central and satellite galaxies
Eyal Neistein, Cheng Li, Sadegh Khochfar +3
We develop a new empirical methodology to study the relation between the stellar mass of galaxies and the mass of their host subhaloes. Our approach is similar to abundance matchin…
On the puzzling plateau in the specific star formation rate at z=2-7
Simone M. Weinmann, Eyal Neistein, Avishai Dekel
The observational indications for a constant specific star-formation rate (sSFR) in the redshift range z=2-7 are puzzling in the context of current galaxy-formation models. Despite…