Cosmic Flows: Review of Recent Developments

Details Cosmic Flows: Review of Recent Developments Cosmic Flows: Review of Recent Developments

2002-06-04

arxiv.org/abs/astro-ph/0206052v2

Astronomy and Astrophysics

Astrophysics

Replaced with a new version (minor revisions and typo corrections). Invited talk at the XIII Recontres de Blois "Frontiers of

Scientific paper

I review the recent developments in the analysis of cosmic flow data, in particular, latest results of bulk flow measurements, comparison between redshift and peculiar velocity catalogs with emphasis on the measured value of the $\beta (=\Omega_m^{0.6}/b)$ parameter, and matter power spectrum estimates from galaxy peculiar velocity catalogs. Based on these developments, one can argue that most of the previous discrepancies in the interpretation of cosmic flow data, {\it maybe} with the exception of bulk flow measurements on scales $\gsim 100 h{^{-1}}{\rm Mpc}$, have either been resolved or fairly understood.

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