{
  "id": "astro-ph/9804312",
  "version": "v1",
  "published": "1998-04-28T20:51:45.000Z",
  "updated": "1998-04-28T20:51:45.000Z",
  "title": "The Omega_M-Omega_Lambda Constraint from CNOC Clusters",
  "authors": [
    "R. G. Carlberg",
    "H. K. C. Yee",
    "E. Ellingson",
    "S. L. Morris",
    "H. Lin",
    "M. Sawicki",
    "D. Patton",
    "G. Wirth",
    "R. Abraham",
    "P. Gravel",
    "C. J. Pritchet",
    "T. Smecker-Hane",
    "D. Schade",
    "F. D. A. Hartwick",
    "J. E. Hesser",
    "J. B. Hutchings",
    "J. B. Oke"
  ],
  "comment": "4 pages LaTeX. To appear in \"Fundamental Parameters in Cosmology,\" the proceedings of the XXXIIIrd Rencontres de Moriond",
  "categories": [
    "astro-ph"
  ],
  "abstract": "The CNOC redshift survey of galaxy clusters measures Omega_M from Omega_e(z)= M/L x j/\\rho_c which can be applied on a cluster-by-cluster basis. The mass-to-light ratios, M/L, are estimated from rich galaxy clusters, corrected to the field population over the 0.18 to 0.55 redshift range. Since the luminosity density depends on cosmological volumes, the resulting Omega_e(z) has a strong dependence on cosmology which allows us to place the results in the Omega_M-Omega_Lambda plane. The resulting Omega_M declines if Omega_Lambda>0 and we find that Omega_Lambda<1.5.",
  "revisions": [
    {
      "version": "v1",
      "updated": "1998-04-28T20:51:45.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "cnoc clusters",
      "constraint",
      "cnoc redshift survey",
      "galaxy clusters measures",
      "luminosity density depends"
    ],
    "note": {
      "typesetting": "LaTeX",
      "pages": 4,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 470247,
      "adsabs": "1998astro.ph..4312C"
    }
  }
}