Power-spectrum analysis of one-dimensional redshift surveys

Details Power-spectrum analysis of one-dimensional redshift surveys Power-spectrum analysis of one-dimensional redshift surveys

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...379..482k&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 379, Oct. 1, 1991, p. 482-506. Research supported by Canadian Institute for

Statistics

Computation

96

Cosmology, Galactic Clusters, Power Spectra, Red Shift, Sky Surveys (Astronomy), Computational Astrophysics, Null Hypothesis, Signal To Noise Ratios, Universe

Scientific paper

The statistical properties of power spectra obtained from pencil-beam redshift surveys are examined, with emphasis on the study by Broadhurst et al. (1990). Attention is given to tests of the null hypothesis that the long-wavelength 1D power spectrum found in such surveys is generated by the known small-scale clustering of galaxies. In particular it is shown that both the amplitude and the relative isolation of the peak at lambda = 128/h Mpc in their power spectrum are well consistent with the null hypothesis in which the universe is uniform apart from the known clustering on scales of 1-10 Mpc.

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