Gravitational Lensing

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Deflection angle Introduction to Gravitational Lensing Applications Multiple images from the same source Solve eq(4) for θ, we get θ ‐< < θ θE and θ +> > θ θE In 2D plane, we can observed 2 images from the same source, source one is inside and the other one is outside the Einstein ring.
Einstein Ring Applications Deflection angle Introduction to Gravitational Lensing g When the source, lens and observer are collinear, i.e. β(θ) = 0, • Ring‐like image with angular radius θ E can be observed. Object name: SDSS J162746.44‐005357.5
Page 1 and 2: Nelson Leung Kwok Hui Kin
Page 3 and 4: • In 1919, 1919 this effect was c
Page 5 and 6: Deflection angle Introduction to Gr
Page 7: D LS D L Deflection angle Introduct
Page 11 and 12: Types of Lensing Applications Defle
Page 15 and 16: How cosmologists g and astrophysici
Page 29 and 30: Conclusion In recent years, gravita
Page 31: References • D.walsh, et.al. ‘0

Gravitational Lensing

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