Weak field limit of Reissner-Nordstrom black hole lensing

Details Weak field limit of Reissner-Nordstrom black hole lensing Weak field limit of Reissner-Nordstrom black hole lensing

2003-10-13

arxiv.org/abs/gr-qc/0310063v1

Phys.Rev. D69 (2004) 023002

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

8 pages, to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.69.023002

We study gravitational lensing by a Reissner-Nordstrom (RN) 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. Due to a net positive charge, the separation between images increases, but no change in the total magnification occurs.

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