Fourier Analysis of the Large Scale Spatial Distribution of Galaxies in the Universe

Details Fourier Analysis of the Large Scale Spatial Distribution of Galaxies in the Universe Fourier Analysis of the Large Scale Spatial Distribution of Galaxies in the Universe

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..413...77h&link_type=abstract

2nd Crisis in Cosmology Conference, CCC-2. ASP Conference Series, Vol. 413, Proceedings of the conference held 7-11 September 20

Mathematics

Logic

Scientific paper

A Fourier analysis on galaxy number counts from redshift data of both the Sloan Digital Sky Survey and the 2dF Galaxy Redshift Survey has been carried out. The results indicate that galaxies have preferred periodic redshifts. Application of the Hubble law results in galaxies preferentially located on concentric shells with periodic spacings. This analysis finds significant redshift spacings of Δ z = 0.0102, 0.0246, and 0.0448 in the SDSS, with significant at a level of at least 4 σ, and strong agreement with the same analysis from 2dF GRS. The combined results from both surveys indicate regular real space radial distance spacings of 31.7 ± 1.8 h-1 Mpc, 73.4 ± 5.8 h-1 Mpc and 127 ± 21 h-1 Mpc. The results can be interpreted as either evidence for a real space structure with the Galaxy cosmologically near its center, or as a redshift space effect where the universe has undergone oscillations in its expansion rate over past epochs. The analysis favors a real space superstructure, possibly involving millions of galaxies, with galaxies preferring to lie on periodically spaced concentric shells centered on a location 26.86 h-1 Mpc from here.

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