About: Spectral signature of oscillating slender tori surrounding Kerr black holes

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.aanda.org/articles/aa/abs/2014/03/aa23103-13/aa23103-13.html
Description	Context. Some microquasars exhibit millisecond quasi-periodic oscillations (QPO) that are most probably related to phenomena occuring in the immediate vicinity of central black holes. Oscillations of accretion tori have been proposed to model these QPOs. Aims. Here, we aim at determining the observable spectral signature of slender accretion tori surrounding Kerr black holes. We analyse the impact of the inclination and spin parameters on the power spectra. Methods. Ray-traced power spectra of slender tori oscillation modes are computed in the Kerr metric. Results. We show that the power spectral densities of oscillating tori are very sensitive to the inclination and spin parameters. This strong dependency of the temporal spectra on inclination and spin may lead to observable constraints of these parameters. Conclusions. This work goes a step further in the analysis of the oscillating torus QPO model. It is part of a long-term study that will ultimately lead to comparison with observed data. Context. Some microquasars exhibit millisecond quasi-periodic oscillations (QPO) that are most probably related to phenomena occuring in the immediate vicinity of central black holes. Oscillations of accretion tori have been proposed to model these QPOs. Aims. Here, we aim at determining the observable spectral signature of slender accretion tori surrounding Kerr black holes. We analyse the impact of the inclination and spin parameters on the power spectra. Methods. Ray-traced power spectra of slender tori oscillation modes are computed in the Kerr metric. Results. We show that the power spectral densities of oscillating tori are very sensitive to the inclination and spin parameters. This strong dependency of the temporal spectra on inclination and spin may lead to observable constraints of these parameters. Conclusions. This work goes a step further in the analysis of the oscillating torus QPO model. It is part of a long-term study that will ultimately lead to comparison with observed data. (en)
Title	Spectral signature of oscillating slender tori surrounding Kerr black holes Spectral signature of oscillating slender tori surrounding Kerr black holes (en)
skos:prefLabel	Spectral signature of oscillating slender tori surrounding Kerr black holes Spectral signature of oscillating slender tori surrounding Kerr black holes (en)
skos:notation	RIV/47813059:19240/14:#0005077!RIV15-MSM-19240___
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(EE2.3.20.0071), P(GPP209/12/P740), S
http://linked.open...iv/cisloPeriodika	March
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Török, Gabriel Abramowicz, Marek Bakala, Pavel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Slezská univerzita v Opavě / Filozoficko-přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	46572
http://linked.open...ai/riv/idVysledku	RIV/47813059:19240/14:#0005077
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	accretion, accretion disks; black hole physics; relativistic processes (en)
http://linked.open.../riv/klicoveSlovo	relativistic processes accretion accretion disks black hole physics
http://linked.open...odStatuVydavatele	FR - Francouzská republika
http://linked.open...ontrolniKodProRIV	[913595056AEB]
http://linked.open...i/riv/nazevZdroje	Astronomy and Astrophysics
http://linked.open...in/vavai/riv/obor	BN
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	High frequency quasi-periodic oscillations and compact object properties: theory vs. observation Supporting Integration with the International Theoretical and Observational Research Network in Relativistic Astrophysics of Compact Objects
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	563
http://linked.open...iv/tvurceVysledku	Török, Gabriel Bakala, Pavel Mazur, G. P. Abramowicz, Marek Artur Kluźniak, Włodek Vincent, Frédéric H. Straub, Odele
http://linked.open...ain/vavai/riv/wos	000333798000109
issn	0004-6361
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1051/0004-6361/201323103
http://localhost/t...ganizacniJednotka	19240

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