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A Model for the Cosmological Evolution of Radio Sources

Published online by Cambridge University Press:  04 August 2017

C. R. Subrahmanya  and
V. K. Kapahi
C. R. Subrahmanya
Affiliation:
Tata Institute of Fundamental Research, Post Box 1234, Bangalore 560012, India
V. K. Kapahi
Affiliation:
Tata Institute of Fundamental Research, Post Box 1234, Bangalore 560012, India

Extract

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The existing schemes to express the evolution of radio sources are either too simple to fit all the data (multi-frequency counts, identifications, spectra etc.) or have too many parameters and little predictive value. They do not also fit the identification statistics at different flux-densities (Swarup, Subrahmanya & Kapahi 1982, in ‘Astrophysical Cosmology’, Proc. Vatican Study Week) and the counts from recent deep surveys (van der Laan 1982, in ‘Astrophysical Cosmology’). Here, we report a preliminary attempt to derive a model that retains the simplicity of a small number of parameters and ease of refinement when new data are added.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 104: Early Evolution of the Universe and Its Present Structure , 1983 , pp. 47 - 48
Copyright
Copyright © Reidel 1983