On the calculation of the Kerr black hole parameters with Modified Gravity in terms of blueshift and redshift

Authors

  • Hermes Paul Bautista-Soto Departamento de Gravitación, Altas Energías y Radiaciones, departamento de materia condensada, Escuela de Física. Universidad Nacional Autónoma de Honduras.
  • Bryan Obed Larios-López Departamento de Gravitación, Altas Energías y Radiaciones, Escuela de Física. Universidad Nacional Autónoma de Honduras.

DOI:

https://doi.org/10.5377/ref.v10i1.14885

Keywords:

Kerr black hole, modified gravity, geodesics, mass, spin

Abstract

The geodesic of motion for stars and photons around a Kerr-MOG black hole is calculated using symmetry concepts from general theory of relativity. With the help of these findings, we were able to calculate the mass (m) and spin (a) of the black hole in terms of the blueshift and redshift of a photon produced by a star around the black hole. Our results, which account for star orbits that are not in the equatorial plane (θE = π/2 ), allow us to express constraints that may aid in the verification of general theory of relativity in the presence of strong gravitational fields.

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Published

2022-06-30

How to Cite

Bautista-Soto, H. P., & Larios-López, B. O. (2022). On the calculation of the Kerr black hole parameters with Modified Gravity in terms of blueshift and redshift. Revista De La Escuela De Física, 10(1), 78–95. https://doi.org/10.5377/ref.v10i1.14885

Issue

Vol. 10 No. 1 (2022)

Section

Investigation

License

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