Cosmic Homogeneity Demonstrated with Luminous Red Galaxies

@article{Hogg2005CosmicHD,
  title={Cosmic Homogeneity Demonstrated with Luminous Red Galaxies},
  author={D. Hogg and D. Eisenstein and M. Blanton and N. Bahcall and J. Brinkmann and J. Gunn and D. Schneider},
  journal={The Astrophysical Journal},
  year={2005},
  volume={624},
  pages={54-58}
}
  • D. Hogg, D. Eisenstein, +4 authors D. Schneider
  • Published 2005
  • Physics
  • The Astrophysical Journal
  • We test the homogeneity of the universe at z ~ 0.3 with the luminous red galaxy (LRG) spectroscopic sample of the Sloan Digital Sky Survey. First, the mean number N(R) of LRGs within completely surveyed LRG-centered spheres of comoving radius R is shown to be proportional to R3 at radii greater than R ~ 70 h-1 Mpc. The test has the virtue that it does not rely on the assumption that the LRG sample has a finite mean density; its results show, however, that there is such a mean density. Second… CONTINUE READING
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