Large-scale periodicity - Problems with cellular models

Details Large-scale periodicity - Problems with cellular models Large-scale periodicity - Problems with cellular models

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.252p..43w&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 252, Sept. 15, 1991, p. 43P-46P.

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8

Astronomical Models, Galactic Clusters, Spectral Correlation, Galactic Nuclei, Galactic Structure

Scientific paper

Recent attempts to employ cellular models of galaxy clustering in order to explain the apparent large-scale periodicity seen in pencil beam surveys are considered, with emphasis on the Voronoi foam model, which has been proposed to provide a natural explanation for both large-scale periodicity and the clustering of Abell clusters. It is shown that this model predicts a scale length for the galaxy-galaxy correlation function which is too large: r(0) is greater than 10/h Mpc (h is the Hubble constant in units of 100 km/s per Mpc). Similar problems arise for other models based on cellular structures: the observed value of the galaxy-galaxy correlation function sets a limit on how large the cells can be.

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