Weak field limit of Reissner-Nordström black hole lensing
- 13 January 2004
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 69 (2) , 023002
- https://doi.org/10.1103/physrevd.69.023002
Abstract
We study gravitational lensing by a Reissner-Nordström black hole in the weak field limit. We obtain the basic equations for the deflection angle and time delay and find analytical expressions for the positions and amplifications of the primary and secondary images. Because of a net positive charge, the separation between images increases, but no change in the total magnification occurs.Keywords
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