Annu. Rev. Astron. Astrophys. 1984. 22: 319-58
Copyright © 1984 by . All rights reserved

Reprinted with kind permission from , 4139 El Camino Way, Palo Alto, California, USA


EXTRAGALACTIC RADIO JETS

Allan H. Bridle


National Radio Astronomy
Observatory, 1 Charlottesville, Virginia 22901

Richard A. Perley


National Radio Astronomy Observatory, Socorro, New Mexico 87801


Table of Contents

INTRODUCTION
Why "Jets"?
What Makes a "Narrow Feature" a "Jet"?

THE INCIDENCE OF EXTRAGALACTIC RADIO JETS
A List of Known Jets
Occurrence Rates of Jets
Jets in Weak Sources?

TRENDS WITH LUMINOSITY
Sidedness
Magnetic Configuration
Size, Curvature, and Misalignments

STRUCTURAL DETAILS
Collimation, Freedom, and Confinement
Radio Spectra
Intensity Evolution

RADIO JETS AT OTHER WAVELENGTHS
Optical and Infrared Wavelengths
X-Ray Wavelengths

JET LAG-MISSING PHYSICS
Velocity Estimates
The Velocity Dilemma
Jet/Hot-Spot Symmetries and the Sidedness Dilemma
Stability
Unified Models
A Broader Unified Model

SUMMARY AND SOME KEY EXPERIMENTS

REFERENCES

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