Gravitational lensing by a regular black hole

Details Gravitational lensing by a regular black hole Gravitational lensing by a regular black hole

2010-11-10

arxiv.org/abs/1011.2455v2

Class.Quant.Grav.28:085008,2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, 4 figures. v2: Improved version, new references added

Scientific paper

10.1088/0264-9381/28/8/085008

In this paper, we study a regular Bardeen black hole as a gravitational lens.
We find the strong deflection limit for the deflection angle, from which we
obtain the positions and magnifications of the relativistic images. As an
example, we apply the results to the particular case of the supermassive black
hole at the center of our galaxy.

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