On the association of galaxies and QSOs

Details On the association of galaxies and QSOs On the association of galaxies and QSOs

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...269...29f&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 269, June 1, 1983, p. 29-34.

Astronomy and Astrophysics

Astrophysics

27

Galactic Clusters, Quasars, Covariance, Cross Correlation, Kolmogoroff-Smirnoff Test, Luminosity, Red Shift

Scientific paper

It is found from galaxy counts that there is a strong tendency for galaxies at about the plate limit of the 1.2 m Palomar Schmidt telescope to cluster about low-redshift QSOs. The significance of this clustering has been estimated in a nonparametric way using the Kolmogorov-Smirnov test and is found to be significant at the 99 percent level. If a power-law form for the galaxy-QSO cross-correlation function is assumed, the amplitude is the same within the errors to that of the galaxy-galaxy autocorrelation function.

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