Published in "Galactic and Extragalactic Radio Astronomy", 1988, 2nd edition, eds. G.L. Verschuur and K.I. Kellermann.

For a PDF version of the article, click here.

Table of Contents

INTRODUCTION

BASIC RELATIONS

THE "WORLD PICTURE" AND SOURCE EVOLUTION

SOURCE POPULATION DATA

The Local Luminosity Function

Source Counts

Spectral-Index Distributions

Redshift/Spectral-Index Diagrams

Redshift and Luminosity Distributions of Strong Sources

Optical Constraints

EVOLUTIONARY MODELS

Source Distribution Equations

Evolutionary Models of Radio Luminosity Functions

SOURCE SIZE EVOLUTION

The Angular Size-Redshift Relation

The Angular Size-Flux Density Data

Models of the Angular Size-Flux Density Relation

THE FAINT-SOURCE POPULATION

ISOTROPY AND HOMOGENEITY

COSMOLOGY MADE SIMPLE: THE SHELL MODEL

WHAT NEXT?

REFERENCES