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For this purpose, we derive the field equation for t he corresponding theory when the general spherically symmetric and static configuration is c onsidered

ICREA, Passeig Lluis Companys, 23, 08010 Barcelona, Spain 1 Abstract We investigate the radii of the photon sphere, the black ho le shadow in the framework of F (R) gravity

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Black holes and their shadows in $F(R)$ gravity

gr-qc · 2024-12-18 · reject · novelty 4.0

In F(R) gravity, the black hole shadow shift is controlled by a free perturbing function, so matching the M87* and Sgr A* shadow sizes reduces to fitting that function.

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  • Black holes and their shadows in $F(R)$ gravity gr-qc · 2024-12-18 · reject · none · ref 4

    In F(R) gravity, the black hole shadow shift is controlled by a free perturbing function, so matching the M87* and Sgr A* shadow sizes reduces to fitting that function.