Reissner-Nordström black hole lensing
Ernesto F. EiroaInstituto de Astronomía y Física del Espacio, C.C. 67, Suc. 28, 1428, Buenos Aires, ArgentinaGustavo E. RomeroInstituto Argentino de Radioastronomía, C.C.5, 1894 Villa Elisa, Buenos Aires, ArgentinaD. F. TorresInstituto de Astronomía y Física del Espacio, C.C. 67, Suc. 28, 1428, Buenos Aires, Argentina
2002en
ABI
Annotatsiya
In this paper we study the strong gravitational lensing scenario where the lens is a Reissner-Nordstr\"om black hole. We obtain the basic equations and show that, as in the case of a Schwarzschild black hole, in addition to the primary and secondary images, two infinite sets of relativistic images are formed. We find analytical expressions for the positions and amplifications of the relativistic images. The formalism is applied to the case of a low-mass black hole placed at the galactic halo.
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