Preprint Article Version 1 This version is not peer-reviewed

The Shadow of M87* Black Hole within Rational Nonlinear Electrodynamics

Version 1 : Received: 12 April 2020 / Approved: 15 April 2020 / Online: 15 April 2020 (03:37:03 CEST)

How to cite: Kruglov, S. The Shadow of M87* Black Hole within Rational Nonlinear Electrodynamics. Preprints 2020, 2020040228 (doi: 10.20944/preprints202004.0228.v1). Kruglov, S. The Shadow of M87* Black Hole within Rational Nonlinear Electrodynamics. Preprints 2020, 2020040228 (doi: 10.20944/preprints202004.0228.v1).

Abstract

We consider rational nonlinear electrodynamics coupled to General Relativity. The effective geometry induced by nonlinear electrodynamics corrections are found. We determine shadows of regular non-rotating magnetic black holes and compare them with the shadow of the super-massive M87* black hole imaged by the Event Horizon Telescope collaboration. This allows us to obtain the black hole magnetic charge. The size of the shadow is very close to the shadow of non-regular neutral Schwarzschild black holes. As a result, we can interpret the super-massive M87* black hole as a regular (without singularities) magnetized black hole.

Subject Areas

nonlinear electrodynamics; magnetic black holes; Event Horizon Telescope; M87* black hole

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