articleMonthly Notices of the Royal Astronomical SocietySep 24, 2014BRONZE OA

Introducing the Illustris project: the evolution of galaxy populations across cosmic time

SGShy GenelMVMark VogelsbergerVSVolker SpringelDSDebora SijackiDNDylan Nelson

Center for Astrophysics Harvard & Smithsonian · Massachusetts Institute of Technology · +5 more institutions

Indexed inarxivcrossrefdatacitedoaj

Abstract

We present an overview of galaxy evolution across cosmic time in the Illustris Simulation. Illustris is an N-body/hydrodynamical simulation that evolves 2 1820 3 resolution elements in a (106.5 Mpc) 3 box from cosmological initial conditions down to z = 0 using the AREPO moving-mesh code. The simulation uses a state-of-the-art set of physical models for galaxy formation that was tuned to reproduce the z = 0 stellar mass function and the history of the cosmic star-formation rate density. We find that Illustris successfully reproduces a plethora of observations of galaxy populations at various redshifts, for which no tuning was performed, and provide predictions for future observations. In particular, we discuss…

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Topics & keywords

Topics
Keywords
  • Physics
  • Astrophysics
  • Galaxy
  • Galaxy formation and evolution
  • Redshift
  • Stellar mass
  • Star formation
  • Astronomy
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