Shadows of the accelerating black holes
Ming Zhang, Jie Jiang

TL;DR
This paper investigates how black hole acceleration affects photon orbits and shadows, revealing that increased acceleration causes the shadow's size and distortion to grow, with implications for black hole observation.
Contribution
It introduces the effects of acceleration on black hole shadows, showing how photon orbits deviate and shadow properties change with acceleration.
Findings
Shadow size and distortion increase with acceleration
Photon circular orbits deviate from the equatorial plane
Observer inclination angles for maximum shadow effects increase
Abstract
Due to the acceleration of the black hole, the circular orbits of the photons will deviate from the equatorial plane and the property of the black hole shadow will change. We find that the latitude of the circular orbit increases with the increasing acceleration and then show that the observer's inclination angles which make the shadow radius and the shadow distortion maximum increase with the increasing acceleration for the accelerating Kerr black hole.
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