Determination of the combination of cosmological parameters Ω m α σ 8

Details Determination of the combination of cosmological parameters Ω m α σ 8 Determination of the combination of cosmological parameters Ω m α σ 8

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008astl...34..451p&link_type=abstract

Astronomy Letters, Volume 34, Issue 7, pp.451-456

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We have obtained new constraints on the cosmological parameters Ω m and σ 8 from the peculiar velocities of flat edge-on spiral galaxies from the RFGC catalog. Based on these results presented graphically, we have found the quantitative condition (Ω m /0.3)0.37 σ 8 = 0.92 ± 0.05. The estimates of Ω m and σ 8, along with their combinations Ω m α σ 8 for various α, are compared with the estimates by other authors.

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