The distribution of quasars from a small area survey

Details The distribution of quasars from a small area survey The distribution of quasars from a small area survey

Apr 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...267....4c&link_type=abstract

Astrophysical Journal, Part 1, vol. 267, Apr. 1, 1983, p. 4-11.

Other

22

Cosmology, Fourier Analysis, Quasars, Spatial Distribution, Statistical Analysis, Background Radiation, Data Correlation, Microwaves, Power Spectra, Red Shift, Spectrum Analysis

Scientific paper

The quasars in two areas of 25 square degrees from a survey by Savage and Bolton (1979) are subjected to statistical analysis in search for clustering in their spatial distribution. The nearest neighbor test and correlation function test are applied to the three-dimensional distribution of quasars. These techniques indicate that the clustering of quasars seems to be in existence with the scale of about 100 Mpc (for H0 = 50) for one of the fields (02 h, -50 deg), but not for another (22 h, -18 deg). The distributions of quasars on the celestial sphere are also investigated by two-dimension Fourier power spectrum analysis. It is found that there is no evidence for clustering of quasars with different redshifts.

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