Constraints on Mass, Spin and Magnetic Field of Microquasar H 1743-322 from Observations of QPOs


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Abstract

The study of quasi-periodic oscillations (QPOs) of X-ray flux observed in many microquasars can provide a powerful tool for testing of the phenomena occurring in strong gravity regime. QPOs phenomena can be well related to the oscillations of charged particles in accretion disks orbiting Kerr black holes immersed in external large-scalemagnetic fields. In the present paper we study the model ofmagnetic relativistic precession and provide estimations of the mass and spin of the central object of the microquasar H 1743-322 which is a candidate for a black hole. Moreover, we discuss the possible values of external magnetic field and study its influence on the motion of charged particles around rotating black hole.

About the authors

A. A. Tursunov

Institute of Physics, Faculty of Philosophy and Science; Bogoliubov Laboratory of Theoretical Physics

Author for correspondence.
Email: arman.tursunov@fpf.slu.cz
Czech Republic, Bezručovo nám.13, Opava, CZ-74601; Dubna, 141980

M. Kološ

Institute of Physics, Faculty of Philosophy and Science

Email: arman.tursunov@fpf.slu.cz
Czech Republic, Bezručovo nám.13, Opava, CZ-74601

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