Free-form analysis of the cosmological evolution of radio sources

Details Free-form analysis of the cosmological evolution of radio sources Free-form analysis of the cosmological evolution of radio sources

Mar 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978mnras.182..617r&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 182, Mar. 1978, p. 617-628.

Astronomy and Astrophysics

Astronomy

18

Astronomical Models, Cosmology, Galactic Evolution, Luminous Intensity, Radio Sources (Astronomy), Red Shift, Iterative Solution, Radiant Flux Density, Radio Astronomy, Relativistic Effects

Scientific paper

An iterative technique is derived for determining the evolution function necessary to adjust radio source counts to standard general relativistic cosmological models. The method assumes that the luminosity dependence of the evolution may be represented by a sharp turn-on above which the source density evolves. The redshift dependence may thus be solved in a free-form solution. The method has been applied to counts at 480 MHz from the Molonglo Cross telescope using the Einstein-de Sitter model. The resulting evolution function is more complex than previous results.

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