"Gravitational Lensing in Astronomy"
by
Joachim Wambsganss
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Abstract
1
Introduction
2
History of Gravitational Lensing
3
Basics of Gravitational Lensing
3.1
Lens equation
3.2
Einstein radius
3.3
Critical surface mass density
3.4
Image positions and magnifications
3.5
(Non-)Singular isothermal sphere
3.6
Lens mapping
3.7
Time delay and “Fermat’s” theorem
4
Lensing Phenomena
4.1
Multiply-imaged quasars
4.2
Quasar microlensing
4.3
Einstein rings
4.4
Giant luminous arcs and arclets
4.5
Weak/statistical lensing
4.6
Cosmological aspects of (strong) lensing
4.7
Galactic microlensing
5
Future Gravitational Lensing
6
Acknowledgements
References
Footnotes
Updates
Figures
