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- W2019516097 abstract "view Abstract Citations (18) References (10) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS A cosmological redshift-distance square law? Soneira, R. M. Abstract This paper directly examines the claims of Segal (1976) that the (m,z) Hubble diagram is fitted best by a square law z = Kr-squared rather than by the traditional Hubble law z = Hr in the low-redshift range, z no more than about 0.01, corresponding to galaxies brighter than 14th mag. Segal attempts to fit a distance relation to the (m,z) scatter diagram in which each individual galaxy is plotted. The exact relation between the mean redshift for all galaxies in a small magnitude interval and the apparent magnitude is calculated. This relation is independent of luminosity function and peculiar velocity distribution about the general expansion, and is not affected by sample incompleteness as a function of apparent magnitude or the clustering of galaxies in the sample. Segal's method is affected by all of these and requires a highly sophisticated statistical analysis to deal with the non-Gaussian pointwise scatter. The present analysis favors the Hubble law and conclusively rules out the square law for the small redshift region. Publication: The Astrophysical Journal Pub Date: June 1979 DOI: 10.1086/182962 Bibcode: 1979ApJ...230L..63S Keywords: Galactic Radiation; Hubble Diagram; Red Shift; Astrometry; Distance; Velocity Distribution; Astrophysics; Cosmology:Redshifts; Hubble Law full text sources ADS | data products NED (1)" @default.
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- W2019516097 date "1979-06-01" @default.
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- W2019516097 title "A cosmological redshift-distance square law" @default.
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