Using QPO data from five X-ray binaries, the authors place upper limits on electric, magnetic, and NUT charges of a dyonic Kerr black hole, with a tentative nonzero NUT parameter in GRS 1915+105.
Our goal is to con- strain the parameters (饾憖,饾憻/饾憖,饾憥/饾憖,饾憙/饾憖) in this specific scenario
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Constraints on extra charges in dyonic Kerr-Newman-Kasuya-Taub-NUT black hole from the observations of quasi-periodic oscillations
Using QPO data from five X-ray binaries, the authors place upper limits on electric, magnetic, and NUT charges of a dyonic Kerr black hole, with a tentative nonzero NUT parameter in GRS 1915+105.