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The Mass Distribution In Clusters Of Galaxies From Weak And Strong Lensing

Published online by Cambridge University Press:  25 May 2016

Jordi Miralda-Escudé
Jordi Miralda-Escudé*
Affiliation:
Institute for Advanced Study, Olden Lane, Princeton NJ 08540, USA Email: [email protected]

Abstract

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This paper is intended as an introduction to the theory of weak lensing. A review of the inversion formula introduced by Kaiser and Squires is presented. We then prove the formula of the aperture densitometry method in a simple way that allows a clear understanding of where the various terms come from. This is particularly useful to measure quantitatively masses in any region of a lens. We then summarize what has been learned from observations of strong lensing about the dark matter distribution; weak lensing should provide similar information on larger scales in clusters of galaxies.

Type
Chapter 5: Galaxy Clusters
Information
Symposium - International Astronomical Union , Volume 173: Astrophysical Applications of Gravitational Lensing , 1996 , pp. 131 - 136
Copyright
Copyright © Kluwer 1996 

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