The proper motion-redshift relation of superluminal radio sources

Details The proper motion-redshift relation of superluminal radio sources The proper motion-redshift relation of superluminal radio sources

Nov 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...233..775y&link_type=abstract

Astrophysical Journal, Part 1, vol. 233, no. 3, Nov. 1, 1979, p. 775-779.

Mathematics

Logic

7

Astronomical Models, Cosmology, Extragalactic Radio Sources, Red Shift, Hubble Constant, Luminous Intensity, Statistical Analysis

Scientific paper

It is proposed that superluminal radio sources be used as a probe of the cosmological proper motion-redshift relation. The test is potentially the most powerful way of determining the cosmological parameters, and it is free of evolutionary corrections. Present data already determine the Hubble constant, up to a model-dependent factor, to an accuracy of 6%. A modest increase in sample size can establish the deceleration parameter with sufficient certainty to differentiate between an open and a closed universe.

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