Radial velocity dependence in the spatial orientations of galaxies in and around the local supercluster

Details Radial velocity dependence in the spatial orientations of galaxies in and around the local supercluster Radial velocity dependence in the spatial orientations of galaxies in and around the local supercluster

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008mnras.389..741a&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 389, Issue 6, pp. 741-748.

Statistics

3

Galaxies: Evolution, Galaxies: Formation, Galaxies: Statistics

Scientific paper

We study the radial velocity dependence in the spatial orientations of 10562 spiral galaxies that have radial velocity <5000 km s-1. The inclination angle and intrinsic flatness of galaxy are used to covert two-dimensional given parameters into three-dimensional spin vectors of the galaxy. We have performed Kolmogorov-Smirnov, Kuiper and Fourier tests in order to examine non-random effects in the expected isotropic distributions. The galaxies that have radial velocities 1500 to 2000 and 3000 to 3500 km s-1 show preferred alignments in both the two- and three-dimensional analysis. The possible explanations of the results will be discussed.

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