A halo model of galaxy colours and clustering in the Sloan Digital Sky Survey

  title={A halo model of galaxy colours and clustering in the Sloan Digital Sky Survey},
  author={R. Skibba and R. Sheth},
  journal={Monthly Notices of the Royal Astronomical Society},
  • R. Skibba, R. Sheth
  • Published 2008
  • Physics
  • Monthly Notices of the Royal Astronomical Society
  • Successful halo-model descriptions of the luminosity dependence of clustering distinguish between the central galaxy in a halo and all the others (satellites). To include colours, we provide a prescription for how the colour–magnitude relation of centrals and satellites depends on halo mass. This follows from two assumptions: (i) the bimodality of the colour distribution at a fixed luminosity is independent of halo mass and (ii) the fraction of satellite galaxies which populate the red sequence… CONTINUE READING
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