Limber equation for luminosity dependent correlations

A. Gardini, S. A. Bonometto, A. Macciò

Research output: Contribution to journalArticlepeer-review

Abstract

The passage from angular to spatial correlations, in the case of spatial clustering length depending on the average distance between nearby objects is studied. We show that, in a number of cases, the scaling law of angular correlation amplitudes, which holds for constant spatial clustering length, is still true also for a luminosity dependent spatial correlation. If the Limber equation is then naively used to obtain 'the' spatial clustering length from the angular function amplitude, a quantity close to the average object separation is obtained. The case of cluster clustering is explicitly considered.

Original languageEnglish (US)
Pages (from-to)557-562
Number of pages6
JournalNew Astronomy
Volume4
Issue number7
DOIs
StatePublished - Dec 1999

Keywords

  • 98.65.Cw
  • 98.80.-k
  • Galaxies: clusters
  • Large-scale structure of the universe

ASJC Scopus subject areas

  • Instrumentation
  • Astronomy and Astrophysics
  • Space and Planetary Science

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