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Constraining the Cosmic Mass Density from the SBF Survey Peculiar Velocities

  • J. P. Blakeslee (a1), J. L. Tonry (a1), A. Dressler, E. A. Ajhar (a1), M. Davis (a1), J. A. Willick (a1), M. A. Strauss (a1) and V. K. Narayan (a1)...
Abstract

The recently completed I-band SBF Survey of Galaxy Distances contains about 300 galaxy distances within cz ≲ 4000 km/s. These data allow for good constraints on the local mass density and velocity fields. The mass density parameter β I ≡ Ω0.6/b I , where b I is the biasing factor of the IRAS redshift survey galaxies, is found to be β I ≍ 0.45.

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Proceedings of the International Astronomical Union
  • ISSN: -
  • EISSN: 0074-1809
  • URL: /core/journals/proceedings-of-the-international-astronomical-union
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