A large-scale deficit of quasars around quasars with absorption spectra

Details A large-scale deficit of quasars around quasars with absorption spectra A large-scale deficit of quasars around quasars with absorption spectra

Jan 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999arep...43...13d&link_type=abstract

Astronomy Reports, Volume 43, Issue 1, January 1999, pp.13-19

Astronomy and Astrophysics

Astronomy

Scientific paper

Relative statistical analyses of the three-dimensional spatial distribution of 7000 quasars from the Hewitt-Burbidge catalog are presented. If the positional coordinates for a standard Friedmann cosmology are used, the results indicate that quasars with absorption features are at the centers of large-scale (1000 Mpc or more) inhomogeneities in the overall spatial distribution of quasars. These inhomogeneities are manifest as a deficit of quasars around quasars with absorption spectra. The density of quasars around these absorption quasars is half that around non-absorption quasars. This effect is present at all redshifts considered.

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