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Abstract <p>Using the Newman–Janis algorithm, rotating solutions were obtained for the Horndesky and bumblebee models. Mathematical modelling of black hole shadow profiles was conducted for the case of the two most probable configurations of Sgr A*. As a result, it is shown that the Horndesky model weakens the rotation effect (like gravity with nonlocal corrections), while the bumblebee model, in contrast, enhances it.</p>

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Black Hole Shadows in Horndesky and Bumblebee Models: Rotation Accounting

  • 期刊论文

  • 发表日期：

    2025年6月27日

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  • S. O. Alexeyev,
  • A. A. Baiderin,
  • O. I. Zenin

摘要

Abstract

Using the Newman–Janis algorithm, rotating solutions were obtained for the Horndesky and bumblebee models. Mathematical modelling of black hole shadow profiles was conducted for the case of the two most probable configurations of Sgr A*. As a result, it is shown that the Horndesky model weakens the rotation effect (like gravity with nonlocal corrections), while the bumblebee model, in contrast, enhances it.