Forward and backward galaxy evolution in comoving cumulative number density space

@article{Torrey2017ForwardAB,
  title={Forward and backward galaxy evolution in comoving cumulative number density space},
  author={Paul Torrey and Sarah Wellons and Chopo Ma and Philip F Hopkins and Mark Vogelsberger},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2017},
  volume={467},
  pages={4872-4885}
}
  • Paul Torrey, Sarah Wellons, +2 authors Mark Vogelsberger
  • Published 2017
  • Physics
  • Monthly Notices of the Royal Astronomical Society
  • Galaxy cumulative comoving number density is commonly used to forge progenitor/descendant links between observed galaxy populations at different epochs. However, this method breaks down in the presence of galaxy mergers, or when galaxies experience stochastic growth rates. We present a simple analytic framework to treat the physical processes that drive the evolution and diffusion of galaxies within comoving number density space. The evolution in mass rank order of a galaxy population with time… CONTINUE READING

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