Correlation functions of matter from galaxy rotation curves

Details Correlation functions of matter from galaxy rotation curves Correlation functions of matter from galaxy rotation curves

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...374...20b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 374, June 10, 1991, p. 20-28.

Statistics

Computation

9

Correlation, Dark Matter, Galactic Rotation, Spiral Galaxies, Computational Astrophysics, Galactic Structure

Scientific paper

Based on the disk-halo decomposition method introduced by Persic and Salucci (1988, 1990), 58 spiral rotation curves are used to measure the galaxy-background correlation function in the range 3-350 kpc for H(0) = 50 km/s per Mpc. It is found that (1) the two-point function is zeta(r) equal to about (r0/r) exp 1.76, with r(0) equal to about 7 Mpc (for Omega 0 = 1), and (2) higher order correlation functions are detected up to the sixth order and are found to fit the hierarchical expression.

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