Strong deflection lensing by charged black holes in scalar–tensor gravity

We examine a class of charged black holes in scalar–tensor gravity as gravitational lenses. We find the deflection angle in the strong deflection limit, from which we obtain the positions and the magnifications of the relativistic images. We compare our results with those corresponding to the Reissn...

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Autores principales: Eiroa, Ernesto Fabian, Sendra, Carlos Maximiliano
Publicado: 2014
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14346044_v74_n11_p_Eiroa
http://hdl.handle.net/20.500.12110/paper_14346044_v74_n11_p_Eiroa
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_14346044_v74_n11_p_Eiroa
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spelling paper:paper_14346044_v74_n11_p_Eiroa2023-06-08T16:14:56Z Strong deflection lensing by charged black holes in scalar–tensor gravity Eiroa, Ernesto Fabian Sendra, Carlos Maximiliano We examine a class of charged black holes in scalar–tensor gravity as gravitational lenses. We find the deflection angle in the strong deflection limit, from which we obtain the positions and the magnifications of the relativistic images. We compare our results with those corresponding to the Reissner–Norström spacetime and we analyze the observational aspects in the case of the Galactic supermassive black hole. © 2014, The Author(s). Fil:Eiroa, E.F. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Sendra, C.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2014 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14346044_v74_n11_p_Eiroa http://hdl.handle.net/20.500.12110/paper_14346044_v74_n11_p_Eiroa
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description We examine a class of charged black holes in scalar–tensor gravity as gravitational lenses. We find the deflection angle in the strong deflection limit, from which we obtain the positions and the magnifications of the relativistic images. We compare our results with those corresponding to the Reissner–Norström spacetime and we analyze the observational aspects in the case of the Galactic supermassive black hole. © 2014, The Author(s).
author Eiroa, Ernesto Fabian
Sendra, Carlos Maximiliano
spellingShingle Eiroa, Ernesto Fabian
Sendra, Carlos Maximiliano
Strong deflection lensing by charged black holes in scalar–tensor gravity
author_facet Eiroa, Ernesto Fabian
Sendra, Carlos Maximiliano
author_sort Eiroa, Ernesto Fabian
title Strong deflection lensing by charged black holes in scalar–tensor gravity
title_short Strong deflection lensing by charged black holes in scalar–tensor gravity
title_full Strong deflection lensing by charged black holes in scalar–tensor gravity
title_fullStr Strong deflection lensing by charged black holes in scalar–tensor gravity
title_full_unstemmed Strong deflection lensing by charged black holes in scalar–tensor gravity
title_sort strong deflection lensing by charged black holes in scalar–tensor gravity
publishDate 2014
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14346044_v74_n11_p_Eiroa
http://hdl.handle.net/20.500.12110/paper_14346044_v74_n11_p_Eiroa
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AT sendracarlosmaximiliano strongdeflectionlensingbychargedblackholesinscalartensorgravity
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