About: Resonant radii of kHz quasi-periodic oscillations in Keplerian discs orbiting neutron stars     Goto   Sponge   NotDistinct   Permalink

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  • Exchange of dominance between twin kHz quasi-periodic oscillations (QPOs) observed in some low-mass-X-ray-binaries (LMXBs) suggests the possibility of a resonance between two oscillatory modes. We study the behaviour of the effective gravitational potential around specific resonant radii, and estimate the role of the higher-order terms governing the non-linear, anharmonic forcing. We discuss the impact it has on the mode amplitude in the linear and non-linear regimes. We also discuss a related possibility of lowering of the neutron star mass estimates from the highest observed QPO frequencies.
  • Exchange of dominance between twin kHz quasi-periodic oscillations (QPOs) observed in some low-mass-X-ray-binaries (LMXBs) suggests the possibility of a resonance between two oscillatory modes. We study the behaviour of the effective gravitational potential around specific resonant radii, and estimate the role of the higher-order terms governing the non-linear, anharmonic forcing. We discuss the impact it has on the mode amplitude in the linear and non-linear regimes. We also discuss a related possibility of lowering of the neutron star mass estimates from the highest observed QPO frequencies. (en)
Title
  • Resonant radii of kHz quasi-periodic oscillations in Keplerian discs orbiting neutron stars
  • Resonant radii of kHz quasi-periodic oscillations in Keplerian discs orbiting neutron stars (en)
skos:prefLabel
  • Resonant radii of kHz quasi-periodic oscillations in Keplerian discs orbiting neutron stars
  • Resonant radii of kHz quasi-periodic oscillations in Keplerian discs orbiting neutron stars (en)
skos:notation
  • RIV/47813059:19240/11:#0004068!RIV12-GA0-19240___
http://linked.open...avai/predkladatel
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA202/09/0772), P(LC06014), S, Z(MSM4781305903)
http://linked.open...iv/cisloPeriodika
  • A82
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 226756
http://linked.open...ai/riv/idVysledku
  • RIV/47813059:19240/11:#0004068
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • accretion, accretion disks, stars: neutron, X-rays: binaries (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • FR - Francouzská republika
http://linked.open...ontrolniKodProRIV
  • [69603A805324]
http://linked.open...i/riv/nazevZdroje
  • ASTRONOMY & ASTROPHYSICS
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 525
http://linked.open...iv/tvurceVysledku
  • Kotrlová, Andrea
  • Stuchlík, Zdeněk
  • Török, Gabriel
http://linked.open...n/vavai/riv/zamer
issn
  • 0004-6361
number of pages
http://bibframe.org/vocab/doi
  • 10.1051/0004-6361/201015029
http://localhost/t...ganizacniJednotka
  • 19240
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