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- W2154659576 abstract "A hubble diagram with small dispersion is plotted for the brightest quasars. The slope of the straight line m (log z) is 2.24 +- 0.09. For agreement with the theoretical dependence m (log z) in the standard cosmological model it is necessary that there be a quasar luminosity decrease with time amounting to 1/subm/ per 2.5x10/sup 9/ years. The condition of constancy of the quasars' spatial density in a fixed volume of comoving space is fulfilled with a deceleration parameter q/sub 0/=4.1 +- 1.3. (AIP)" @default.
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- W2154659576 date "1975-11-01" @default.
- W2154659576 modified "2023-10-18" @default.
- W2154659576 title "Dependence of the luminosity and spatial density of quasars on their redshift" @default.
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