About: Resonant switch model of HF QPOs and equations of state of neutron stars nad quark stars

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About: Resonant switch model of HF QPOs and equations of state of neutron stars nad quark stars Goto Sponge NotDistinct Permalink

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	https://ojs.cvut.cz/ojs/index.php/ap/article/view/2289
Description	The mass and spin estimates of the 4U 1636-53 neutron star obtained by the Resonant Switch (RS) model of high-frequency quasi-periodic oscillations (HF QPOs) are tested by a large variety of equations of state (EoS) governing the structure of neutron stars. Neutron star models are constructed under the Hartle–Thorne theory of slowly rotating neutron stars calculated using the observationally given rotational frequency f_{rot} = 580 Hz (or alternatively f_{rot} = 290 Hz) of the neutron star at 4U 1636-53. It is demonstrated that only two variants of the RS model are compatible with the parameters obtained by modelling neutron stars for the rotational frequency f_{rot} = 580 Hz. The variant giving the best fit with parameters M similar to 2.20 M_{Sun} and a similar to 0.27 agrees with high precision with the prediction of one of the Skyrme EoS. The variant giving the second best fit with parameters M similar to 2.12 M_{Sun} and a similar to 0.20 agrees with lower precision with the prediction of the Gandolfi EoS. The mass and spin estimates of the 4U 1636-53 neutron star obtained by the Resonant Switch (RS) model of high-frequency quasi-periodic oscillations (HF QPOs) are tested by a large variety of equations of state (EoS) governing the structure of neutron stars. Neutron star models are constructed under the Hartle–Thorne theory of slowly rotating neutron stars calculated using the observationally given rotational frequency f_{rot} = 580 Hz (or alternatively f_{rot} = 290 Hz) of the neutron star at 4U 1636-53. It is demonstrated that only two variants of the RS model are compatible with the parameters obtained by modelling neutron stars for the rotational frequency f_{rot} = 580 Hz. The variant giving the best fit with parameters M similar to 2.20 M_{Sun} and a similar to 0.27 agrees with high precision with the prediction of one of the Skyrme EoS. The variant giving the second best fit with parameters M similar to 2.12 M_{Sun} and a similar to 0.20 agrees with lower precision with the prediction of the Gandolfi EoS. (en)
Title	Resonant switch model of HF QPOs and equations of state of neutron stars nad quark stars Resonant switch model of HF QPOs and equations of state of neutron stars nad quark stars (en)
skos:prefLabel	Resonant switch model of HF QPOs and equations of state of neutron stars nad quark stars Resonant switch model of HF QPOs and equations of state of neutron stars nad quark stars (en)
skos:notation	RIV/47813059:19240/14:#0005085!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(GA202/09/0772), S
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Török, Gabriel Stuchlík, Zdeněk Kotrlová, Andrea Urbanec, Martin Goluchová, Kateřina
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	42455
http://linked.open...ai/riv/idVysledku	RIV/47813059:19240/14:#0005085
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	neutron stars; X-ray variability; observations (en)
http://linked.open.../riv/klicoveSlovo	observations X-ray variability neutron stars
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[0418E315EF51]
http://linked.open...i/riv/nazevZdroje	Acta Polytechnica
http://linked.open...in/vavai/riv/obor	BN
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Current problems of gravitation, general relativity and relativistic astrophysics 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	54
http://linked.open...iv/tvurceVysledku	Kotrlová, Andrea Stuchlík, Zdeněk Török, Gabriel Urbanec, Martin Goluchová, Kateřina
issn	1210-2709
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.14311/AP.2014.54.0363
http://localhost/t...ganizacniJednotka	19240

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