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Nonlinear Processes in Geophysics An interactive open-access journal of the European Geosciences Union
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Volume 3, issue 4
Nonlin. Processes Geophys., 3, 274–283, 1996
https://doi.org/10.5194/npg-3-274-1996
© Author(s) 1996. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

Special issue: Papers presented at the MFGA-IDT2 workshop: Astrophysical...

Nonlin. Processes Geophys., 3, 274–283, 1996
https://doi.org/10.5194/npg-3-274-1996
© Author(s) 1996. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

  31 Dec 1996

31 Dec 1996

Statistical properties of galaxy distributions

F. Sylos Labini and L. Pietronero F. Sylos Labini and L. Pietronero
  • INFM Sezione de Romal, and Dipartimento di Fisica, Università di Roma "La Sapienza", P. lc A. Moro 2, I-00185 Roma, Italy

Abstract. The recent availability of complete three dimensional samples of galaxies and clusters permits a direct study of their spatial properties. We present a brief review of galaxy correlations based on the methods modern statistical Physics. These methods which able to identify self-similar and non-analytical prop ties, allow us to test the usual homogeneity assumption of luminous matter distribution. We conclude that both the three dimensional prop ties, and the angular log N - log S relation, point out the fact that the distribution of galaxies and clusters fractal with D ≈ 2 up to the deepest scale probed luminous matter (≈≥ 1000h-1 Mpc). This result has important implications for the theoretical framework that should be adopted.

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