Annu. Rev. Astron. Astrophys. 1992. 30: 311-358
Copyright © 1992 by . All rights reserved

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

For a PDF version of the article, click here.


COSMOLOGICAL APPLICATIONS OF GRAVITATIONAL LENSING

R. D. Blandford

Theoretical Astrophysics, 130-33 Caltech, Pasadena, California 91125

R. Narayan

Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge, Massachusetts 02138


Table of Contents

INTRODUCTION
History
This Review

SECURE LENSES
Multiple Quasars
Arcs
Radio Rings

GRAVITATIONAL LENS OPTICS
Ray Reflections and the Lens Equation
Simple Lens Models
Caustics and Congruences
Time Delay
Microlensing
Observables and Model Fitting

COSMOGRAPHY
Hubble Constant
Deceleration Parameter
Alternative Cosmologies

DARK MATTER
Our Galaxy
External Galaxies
Clusters of Galaxies
Large-Scale Structure and Intergalactic Medium

QUASARS AND GALAXIES AT HIGH REDSHIFT
Quasar Emission Regions
Magnified Images of Galaxies and Radio Sources
Exploitation of Time Delays
Quasar Absorption Lines
Quasar Luminosity Function
Microwave Background

SEARCHES FOR GRAVITATIONAL LENSES
Radio Surveys
Optical Surveys

OUTLOOK

REFERENCES

Next