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Radio Luminosity Functions

Published online by Cambridge University Press:  25 May 2016

J.J. Condon
J.J. Condon*
Affiliation:
National Radio Astronomy Observatory 520 Edgemont Road, Charlottesville, VA 22903, USA

Extract

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Luminosity functions give the space densities of source populations as functions of spectral luminosity. They constrain source physics, clustering, cosmological evolution, and contributions to the radiation background. Extragalactic radio sources span eight decades of luminosity, so dividing them into luminosity ranges effectively separates them by energy generation mechanism and other fundamental properties. Multivariate luminosity functions divide the source population in additional ways (e.g., by optical morphology, optical absolute magnitude, or radio spectral index) selected to emphasize particular source characteristics.

Type
Cosmological Implications
Information
Symposium - International Astronomical Union , Volume 175: Extragalactic Radio Sources , 1996 , pp. 535 - 540
Copyright
Copyright © Kluwer 1996 

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