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arXiv · 2201.12804

Moffat's Modified Gravity tested on X-COP galaxy clusters

Sreekanth Harikumar·Marek Biesiada
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Abstract

Scalar Tensor Vector Gravity(STVG) is a fully covariant Lorentz invariant alternative theory of gravity also called as MOdified Gravity(MOG) which modifies General Relativity(GR) with dynamical massive vector field and scalar fields. In STVG the mass $\mu$ of the vector field $\phi$ and the Universal gravitational constant G enjoys the status of a dynamical field. We use the reconstructed total cluster mass obtained from X-ray observations by XMM-Newton telescope in combination with the Sunyaev-Zel'dovich(SZ) effect observed within Planck all-sky survey to estimate the parameters $ \alpha$ and $\mu$ with modified cluster mass in MOG.

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Sreekanth Harikumar, Marek Biesiada. 2022-01-30. Moffat's Modified Gravity tested on X-COP galaxy clusters. https://doi.org/10.1140/epjc%2Fs10052-022-10204-4

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