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Description
  • Ve všech mikrokvasarech s dvojpíkovými vysokofrekvenčními oscilacemi je poměr frekvencí 3:2, což podporuje domněnku, že nelineární rezonance mezi dvěma módy oscilací v akrečním disku hraje roli v excitaci pozorovaných modulací rentgenového toku. Diskutujeme důkaz svědčící ve prospěch této interpretace a stanovujeme relaci mezi spinem černé díry s frekvencemi očekávanými u různých typů rezonancí, jež mohou nastat v téměř keplerovských discích v silné gravitaci. Pro mikrokvasary se známou hmotou centrálního rentgenovského zdroje může být spin černé díry odvozen ze srovnání pozorovaných a předpokládaných frekvencí. (cs)
  • In all microquasars with double peak high frequency QPOs, the ratio of the frequencies is 3:2, which supports the suggestion that a non-linear resonance between two modes of oscillation in the accretion disk plays a role in exciting the observed modulations of the X-ray flux. We discuss evidence in favor of this interpretation and relate the black hole spin to the frequencies expected for various types of resonances that may occur in nearly Keplerian disks in strong gravity. For those microquasars where the mass of the central X-ray source is known, the black hole spin can be deduced from a comparison of the observed and expected frequencies.
  • In all microquasars with double peak high frequency QPOs, the ratio of the frequencies is 3:2, which supports the suggestion that a non-linear resonance between two modes of oscillation in the accretion disk plays a role in exciting the observed modulations of the X-ray flux. We discuss evidence in favor of this interpretation and relate the black hole spin to the frequencies expected for various types of resonances that may occur in nearly Keplerian disks in strong gravity. For those microquasars where the mass of the central X-ray source is known, the black hole spin can be deduced from a comparison of the observed and expected frequencies. (en)
Title
  • The orbital resonance model for twin peak kHz quasi periodic oscillations in microquasars
  • The orbital resonance model for twin peak kHz quasi periodic oscillations in microquasars (en)
  • Orbitální rezonanční model pro dvojité kilohertzové kvaziperiodické oscilace v mikrokvasarech (cs)
skos:prefLabel
  • The orbital resonance model for twin peak kHz quasi periodic oscillations in microquasars
  • The orbital resonance model for twin peak kHz quasi periodic oscillations in microquasars (en)
  • Orbitální rezonanční model pro dvojité kilohertzové kvaziperiodické oscilace v mikrokvasarech (cs)
skos:notation
  • RIV/47813059:19240/05:#0000791!RIV08-MSM-19240___
http://linked.open.../vavai/riv/strany
  • 1-8
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM4781305903)
http://linked.open...iv/cisloPeriodika
  • 1
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
  • 534958
http://linked.open...ai/riv/idVysledku
  • RIV/47813059:19240/05:#0000791
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • black hole physics, X-rays: binaries (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • FR - Francouzská republika
http://linked.open...ontrolniKodProRIV
  • [A41B7CA48F29]
http://linked.open...i/riv/nazevZdroje
  • Astronomy and Astrophysics
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 436
http://linked.open...iv/tvurceVysledku
  • Stuchlík, Zdeněk
  • Török, Gabriel
  • Abramowicz, Marek
http://linked.open...n/vavai/riv/zamer
issn
  • 0004-6361
number of pages
http://localhost/t...ganizacniJednotka
  • 19240
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