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Microlensing of Quasars

Published online by Cambridge University Press:  05 March 2013

Joachim Wambsganss
Joachim Wambsganss*
Affiliation:
Universität Potsdam, Institut für Physik, Am Neuen Palais 10, 14469 Potsdam, Germany; jkw@astro.physik.uni-potsdam.de The University of Melbourne, School of Physics, Parkville, Vic 3004, Australia
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Abstract

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Microlens-induced variability in multiple quasars can be used to study two cosmological issues of great interest, the size and brightness profile of quasars on one hand, and the distribution of compact (dark) matter along the line of sight on the other. Here a summary is given of recent theoretical progress as well as observational evidence for quasar microlensing, plus a discussion of desired observations and required theoretical studies.

Keywords

gravitational lensingdark matterquasars: general
Type
Research Article
Information
Publications of the Astronomical Society of Australia , Volume 18 , Issue 2 , 2001 , pp. 207 - 210
Copyright
Copyright © Astronomical Society of Australia 2001

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