KOTRLOVÁ, Andrea and zdenek STUCHLIK. Orbital resonance model of QPOs in braneworld Kerr black hole spacetimes. In Proceedings of RAGtime 8/9: Workshops on black holes and neutron stars. Opava: Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky, 2007, p. 323-361, 38 pp. ISBN 978-80-7248-419-5.
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Basic information
Original name Orbital resonance model of QPOs in braneworld Kerr black hole spacetimes
Authors KOTRLOVÁ, Andrea and zdenek STUCHLIK.
Edition Opava, Proceedings of RAGtime 8/9: Workshops on black holes and neutron stars, p. 323-361, 38 pp. 2007.
Publisher Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky
Other information
Original language English
Type of outcome Proceedings paper
Field of Study 10308 Astronomy
Country of publisher Czech Republic
Confidentiality degree is not subject to a state or trade secret
Organization unit Faculty of Philosophy and Science in Opava
ISBN 978-80-7248-419-5
Keywords in English Accretion, accretion discs, braneworld black hole physics, X-rays: general
Tags RAGtime, UF
Tags International impact
Links GA202/06/0041, research and development project. GD205/03/H144, research and development project. LC06014, research and development project. MSM4781305903, plan (intention).
Changed by Changed by: Mgr. Pavlína Jalůvková, učo 25213. Changed: 10/12/2020 08:48.
Abstract
We investigate the role of the tidal charge in the orbital resonance model of quasiperiodic oscillations (QPOs) in black hole systems. The orbital Keplerian frequency and the radial and vertical epicyclic frequencies of the equatorial, quasicircular geodetical motion are discussed, and the local maxima of their radial profiles related to Keplerian accretion discs are given, assuming the inner edge of the disc located at loci of the innermost stable circular geodesic. It is shown, how the tidal charge could influence matching of the observational data indicating the 3:2 frequency ratio observed in GRS 1915+105 microquasar with prediction of the orbital resonance model.
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