Spectra of Quasiperiodic Oscillation of Galactic X-ray Sources - Dynamical Regimes from a Simple Model

Details Spectra of Quasiperiodic Oscillation of Galactic X-ray Sources - Dynamical Regimes from a Simple Model Spectra of Quasiperiodic Oscillation of Galactic X-ray Sources - Dynamical Regimes from a Simple Model

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997japa...18...33t&link_type=abstract

Journal of Astrophysics and Astronomy, Vol. 18, p.33

Astronomy and Astrophysics

Astrophysics

Binaries: Close-Stars: Oscillations, Galaxy: Centre, X-Rays: Stars

Scientific paper

We suggest that the dynamical regime(s) underlying quasi-periodic oscillations observed in the spectra of bright galactic-bulge X-ray sources are nonlinear with a mixed phase space. The important feature of such regimes is that they are generic among nonlinear Hamiltonian and nearly Hamiltonian systems of more than two degrees of freedom. We give a simple example of such chaotic (deterministic) systems whose spectra share a number of features with those observed for quasiperiodic oscillations of such sources.

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