articleMonthly Notices of the Royal Astronomical SocietySep 29, 2014BRONZE OA

Galaxies on FIRE (Feedback In Realistic Environments): stellar feedback explains cosmologically inefficient star formation

PFPhilip F. HopkinsDKDušan KerešJOJosé OñorbeCFClaude‐André Faucher‐GiguèreEQEliot Quataert

California Institute of Technology · University of California, Berkeley · +5 more institutions

Indexed inarxivcrossrefdoaj

Abstract

We present a series of high-resolution cosmological simulations 1 of galaxy formation to z = 0, spanning halo masses 10 8 -10 13 M , and stellar masses 10 4 -10 11 M . Our simulations include fully explicit treatment of the multiphase interstellar medium and stellar feedback. The stellar feedback inputs (energy, momentum, mass, and metal fluxes) are taken directly from stellar population models. These sources of feedback, with zero adjusted parameters, reproduce the observed relation between stellar and halo mass up to M halo 10 12 M . We predict weak redshift evolution in the M * -M halo relation, consistent with current constraints to z > 6. We find that the M * -M halo relation is insensitive to numerical…

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Topics & keywords

Topics
Keywords
  • Physics
  • Astrophysics
  • Halo
  • Galaxy
  • Star formation
  • Supernova
  • Accretion (finance)
  • Redshift
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