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The q-metric naked singularity: a viable explanation for the nature of the central object in the Milky Way

In this work, we investigate whether the compact object at the center of the Milky Way is a naked singularity described by the q -metric spacetime. Our fitting of the astrometric and spectroscopic data for the S2 star implies that similarly to the Schwarzschild black hole, the q -metric naked singul...

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Bibliographic Details
Published in:Classical and quantum gravity 2023-12, Vol.40 (24), p.245012
Main Authors: Lora-Clavijo, F D, Prada-MĂ©ndez, G D, Becerra, L M, Becerra-Vergara, E A
Format: Article
Language:English
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Summary:In this work, we investigate whether the compact object at the center of the Milky Way is a naked singularity described by the q -metric spacetime. Our fitting of the astrometric and spectroscopic data for the S2 star implies that similarly to the Schwarzschild black hole, the q -metric naked singularity offers a satisfactory fit to the observed measurements. Additionally, it is shown that the shadow produced by the naked singularity is consistent with the shadow observed by the Event Horizon Telescope collaboration for Sgr-A*. It is worth mentioning that the spatial distribution of the S-stars favors the notion that the compact object at the center of our Galaxy can be described by an almost static spacetime. Based on these findings, the q -metric naked singularity turns up as a compelling candidate for further investigation.
ISSN:0264-9381
1361-6382
DOI:10.1088/1361-6382/ad0b9e