Mass-spin relation of black holes obtained by twin high-frequency quasi-periodic oscillations

Stefanov Ivan Zhivkov

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Mass-spin relation of black holes obtained by twin high-frequency quasi-periodic oscillations

机译：通过双高频准周期性振荡获得的黑洞的群众旋转关系

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The paper studies the uniqueness and the monotonicity of the mass-spin relation of black holes (BHs) the X-ray power density spectra of which contain twin high-frequency quasi-periodic oscillations in 3:2 ratio. Some of the results are valid for a relatively large class of models - the geodesic models, which attribute the observed pair of HF QPOs to the frequencies of epicyclic motion of inhomogeneities in the accretion disk surrounding the black hole, treated as point particles, or to simple linear combinations of them. It is found that for geodesic models the properties of the mass-spin relation are independent of the observed frequencies, i.e. they are independent of the particular object. For concreteness two of the most commonly used geodesic models are studied here - the 3:1 nonlinear epicyclic resonance model and its Keplerian version.

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《International journal of modern physics, D. Gravitation, astrophysics, cosmology》 |2020年第16期|共7页
作者
Stefanov Ivan Zhivkov;
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作者单位

Tech Univ Sofia Fac Appl Math &

Informat Dept Appl Phys 8 Snt Kliment Ohridski Blvd Sofia 1000 Bulgaria;

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原文格式 PDF
正文语种 eng
中图分类天体物理学;宇宙学;
关键词
Black holes; mass-spin relation; high-frequency quasi-periodic oscillations;

机译：黑洞;群众旋转关系;高频准周期性振荡;

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Mass-spin relation of black holes obtained by twin high-frequency quasi-periodic oscillations

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