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SUMMARY:How feedback shapes the galaxy stellar mass function - Tom Theuns 
 (Durham)
DTSTART:20131017T153000Z
DTEND:20131017T163000Z
UID:TALK43542@talks.cam.ac.uk
CONTACT:Michele Trenti
DESCRIPTION:Cosmological simulations of galaxy formation have come a long 
 way towards producing a population of galaxies that is similar in many asp
 ects to the observed population. We understand how the dark matter haloes 
 that host galaxies form and evolve\, and how gas cools inside these haloes
  to grow discs that fragment into stars. However it is clear that feedback
  from stars\, probably in the form of energy injected by supernovae\, play
 s a crucial role in shaping galaxies. For massive galaxies\, energy inject
 ed by super massive black holes may play an equally important role. These 
 processes are challenging to model due to the large range in time and leng
 th scales involved.\n\nI will present some results from two suites of hydr
 odynamical cosmological simulations\, called Gimic and OWLS\, and show how
  our modelling of feedback results in realistic looking galaxies. The simu
 lations also allows us to examine other aspects of structure formation\, f
 or example the relation between gas and galaxies. I will also point to lim
 itations of these models\, and conclude with some preliminary results of a
  new suite of simulations called Eagle.
LOCATION:Sackler Lecture Theatre\, IoA (tea at 4:00 pm)
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