About: Towards modeling quasi-periodic oscillations of microquasars with oscillating slender tori

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About: Towards modeling quasi-periodic oscillations of microquasars with oscillating slender tori Goto Sponge NotDistinct Permalink

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/2013/06/aa21488-13/aa21488-13.html
Description	Context. One of the often discussed models for high-frequency quasi-periodic oscillations of X-ray binaries is the oscillating torus model, which considers oscillation modes of slender accretion tori. Aims. Here, we aim at developing this model by considering the observable signature of an optically thick slender accretion torus subject to simple periodic deformations. Methods. We compute light curves and power spectra of a slender accretion torus subject to simple periodic deformations: vertical or radial translation, rotation, expansion, and shear. Results. We show that different types of deformations lead to very different Fourier power spectra and therefore could be observationally distinguished. Conclusions. This work is a first step in a longer term study of the observable characteristics of the oscillating torus model. It gives promising perspectives on the possibility of constraining this model by studying the observed power spectra of quasi-periodic oscillations. Context. One of the often discussed models for high-frequency quasi-periodic oscillations of X-ray binaries is the oscillating torus model, which considers oscillation modes of slender accretion tori. Aims. Here, we aim at developing this model by considering the observable signature of an optically thick slender accretion torus subject to simple periodic deformations. Methods. We compute light curves and power spectra of a slender accretion torus subject to simple periodic deformations: vertical or radial translation, rotation, expansion, and shear. Results. We show that different types of deformations lead to very different Fourier power spectra and therefore could be observationally distinguished. Conclusions. This work is a first step in a longer term study of the observable characteristics of the oscillating torus model. It gives promising perspectives on the possibility of constraining this model by studying the observed power spectra of quasi-periodic oscillations. (en)
Title	Towards modeling quasi-periodic oscillations of microquasars with oscillating slender tori Towards modeling quasi-periodic oscillations of microquasars with oscillating slender tori (en)
skos:prefLabel	Towards modeling quasi-periodic oscillations of microquasars with oscillating slender tori Towards modeling quasi-periodic oscillations of microquasars with oscillating slender tori (en)
skos:notation	RIV/47813059:19240/13:#0004626!RIV14-GA0-19240___
http://linked.open...avai/predkladatel	Filozoficko-přírodovědecká fakulta
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GPP209/12/P740)
http://linked.open...iv/cisloPeriodika	A&A
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Török, Gabriel Šrámková, Eva 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	111385
http://linked.open...ai/riv/idVysledku	RIV/47813059:19240/13:#0004626
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	[97175FE18D9B]
http://linked.open...i/riv/nazevZdroje	ASTRONOMY & 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
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	554
http://linked.open...iv/tvurceVysledku	Šrámková, Eva Bakala, Pavel Torok, Gabriel Johanson, M. Mazur, G. P. Vincent, F. H.
http://linked.open...ain/vavai/riv/wos	000320444200056
issn	0004-6361
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1051/0004-6361/201321488
http://localhost/t...ganizacniJednotka	19240

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