Quasar Clustering on Large Scales

Details Quasar Clustering on Large Scales Quasar Clustering on Large Scales

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aas...191.8709h&link_type=abstract

American Astronomical Society, 191st AAS Meeting, #87.09; Bulletin of the American Astronomical Society, Vol. 29, p.1355

Astronomy and Astrophysics

Astronomy

Scientific paper

Because of their high luminosities quasars are potentially valuable probes of the large-scale structure of the universe at moderate and high redshifts. However, clustering studies to date have given contradictory results. We present the results of a study of the clustering properties of quasars in well-surveyed regions of the sky. We find that only a few regions are well enough surveyed to produce useful results. By studying the variance of quasar counts in cells (see Andreani et al. 1994, ApJ, 458), which gives a volume average of the correlation function, we find that if there is clustering, it is, at best, only weak. We discuss some effects which can artificially raise the apparent clustering.

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