An estimate of Ω_m without priors
Using mean relative peculiar velocity measurements for pairs of galaxies, we estimate the cosmological density parameter $\Omega_m$ and the amplitude of density fluctuations $\sigma_8$. Our results suggest that our statistic is a robust and reproducible measure of the mean pairwise velocity and ther...
| Main Authors: | , , , , , , , , , , , , |
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| 格式: | Journal article |
| 出版: |
2003
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