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1 results

  • Understanding Cosmological Measurements with a large number of mock galaxy catalogues.

  • M. Manera, W. J. Percival, Ashley Ross, R. Tojeiro, L. Samushia, C. Howlett, M. Vargas-Magaña, A. Burden, for the SDSS-III BOSS Galaxy Working Group
  • Journal:
    Proceedings of the International Astronomical Union / Volume 10 / Issue S306 / May 2014
    Published online by Cambridge University Press:
    01 July 2015, pp. 266-268
    Print publication:
    May 2014
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  • Mock galaxy catalogues are essential to the error analysis of cosmological measurements from big galaxy surveys covering thousands of square degrees in the sky, like BOSS, WiggleZ, DES, or Euclid. The PTHalos mock galaxy catalogues were used in the BOSS survey to analyse the BAO measurement from the CMASS (z∼ 0.57) and LOWZ (z∼ 0.32) galaxy samples, which provided the best estimate to date of the cosmic distance scale from galaxy surveys at these redshifts. We review the PTHalos mocks galaxy catalogues and their key contributions to these analyses.