Gravitationally induced velocity fields in the universe. I - Correlation functions

Details Gravitationally induced velocity fields in the universe. I - Correlation functions Gravitationally induced velocity fields in the universe. I - Correlation functions

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.236..851l&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 236, Feb. 15, 1989, p. 851-864. Research supported by S

Astronomy and Astrophysics

Astronomy

38

Dark Matter, Galactic Clusters, Gravitational Effects, Red Shift, Velocity Distribution, Anisotropy, Correlation, Galactic Evolution

Scientific paper

N-body simulations of a cold dark matter universe have been used to study the effects of peculiar velocities on the shape of galaxy-galaxy and cluster-galaxy correlation functions measured in redshift space. It is suggested that anistropies in the galaxy-galaxy correlation function which arise from radial infall between galaxy pairs should be observable in current redshift surveys, but that radial infall into rich clusters may be masked by random motions. Results for the average direction of the galaxy-galaxy correlation function are consistent with the linear theory model of Kaiser (1986).

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