About: Resonant switch model of twin peak HF QPOs applied to the source 4U 1636-53

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About: Resonant switch model of twin peak HF QPOs applied to the source 4U 1636-53 Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://acta.astrouw.edu.pl/Vol62/n4/pdf/pap_62_4_5.pdf
Description	Resonant Switch (RS) model of twin peak high-frequency quasi-periodic oscillations (HF QPOs) assumes switch of twin oscillations at a resonant point where frequencies of the upper and lower oscillations VU and V L become commensurable and the twin oscillations change from one pair of the oscillating modes (corresponding to a specific model of HF QPOs) to some other pair due to nonlinear resonant phenomena. The RS model is used to determine range of allowed values of spin a and mass M of the neutron star located in the atoll source 4U 1636-53 where two resonant points are observed at frequency ratios VU: VL = 3:2,5:4. We consider the standard specific models of the twin oscillations based on the orbital and epicyclic geodetical frequencies. The resonant points are determined by the energy switch effect exhibited by the vanishing of the amplitude difference of the upper and lower oscillations. The predicted ranges of the neutron star parameters are strongly dependent on the twin modes applied in the RS model. We demonstrate that for some of the oscillatory modes used in the RS model the predicted parameters of the neutron star are unacceptable. Among acceptable RS models the most promising are those combining the Relativistic Precession and the Total Precession frequency relations or their modifications. Resonant Switch (RS) model of twin peak high-frequency quasi-periodic oscillations (HF QPOs) assumes switch of twin oscillations at a resonant point where frequencies of the upper and lower oscillations VU and V L become commensurable and the twin oscillations change from one pair of the oscillating modes (corresponding to a specific model of HF QPOs) to some other pair due to nonlinear resonant phenomena. The RS model is used to determine range of allowed values of spin a and mass M of the neutron star located in the atoll source 4U 1636-53 where two resonant points are observed at frequency ratios VU: VL = 3:2,5:4. We consider the standard specific models of the twin oscillations based on the orbital and epicyclic geodetical frequencies. The resonant points are determined by the energy switch effect exhibited by the vanishing of the amplitude difference of the upper and lower oscillations. The predicted ranges of the neutron star parameters are strongly dependent on the twin modes applied in the RS model. We demonstrate that for some of the oscillatory modes used in the RS model the predicted parameters of the neutron star are unacceptable. Among acceptable RS models the most promising are those combining the Relativistic Precession and the Total Precession frequency relations or their modifications. (en)
Title	Resonant switch model of twin peak HF QPOs applied to the source 4U 1636-53 Resonant switch model of twin peak HF QPOs applied to the source 4U 1636-53 (en)
skos:prefLabel	Resonant switch model of twin peak HF QPOs applied to the source 4U 1636-53 Resonant switch model of twin peak HF QPOs applied to the source 4U 1636-53 (en)
skos:notation	RIV/47813059:19240/12:#0004564!RIV13-GA0-19240___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GA202/09/0772), P(GD205/09/H033), S
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Török, Gabriel Stuchlík, Zdeněk Kotrlová, Andrea
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	165244
http://linked.open...ai/riv/idVysledku	RIV/47813059:19240/12:#0004564
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Accretion; Accretion disks; Stars: neutron; X-rays: binaries (en)
http://linked.open.../riv/klicoveSlovo	Accretion disks X-rays: binaries Accretion Stars: neutron
http://linked.open...odStatuVydavatele	PL - Polská republika
http://linked.open...ontrolniKodProRIV	[B2148760DC82]
http://linked.open...i/riv/nazevZdroje	Acta Astronomica
http://linked.open...in/vavai/riv/obor	BN
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Current problems of gravitation, general relativity and relativistic astrophysics General relativity and its applications in astrophysics and cosmology
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	62
http://linked.open...iv/tvurceVysledku	Kotrlová, Andrea Stuchlík, Zdeněk Török, Gabriel
http://linked.open...ain/vavai/riv/wos	000314616700005
issn	0001-5237
number of pages	19 (xsd:int)
http://localhost/t...ganizacniJednotka	19240

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