Two-point correlation function of high-redshift objects: An explicit formulation on a light-cone hypersurface

Kazuhiro Yamamoto, Yasushi Suto

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)

Abstract

While all the cosmological observations are carried out on a light cone, the null hypersurface of an observer at z = 0, the clustering statistics has been properly defined only on the constant-time hypersurface. We develop a theoretical formulation for a two-point correlation function on the light cone and derive a practical approximate expression relevant to the discussion of clustering of high-redshift objects at large separations. As a specific example, we present predictions of the two-point correlation function for the Durham/AAT, SDSS, and 2dF quasar catalogues. We also briefly discuss the effects of adopted luminosity function, cosmological parameters, and bias models on the correlation function on the light cone.

Original languageEnglish
Pages (from-to)1-12
Number of pages12
JournalAstrophysical Journal
Volume517
Issue number1 PART 1
DOIs
Publication statusPublished - May 20 1999
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

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