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

    Zdeněk Stuchlík · 01 února, 2013 · Fyzika · 0 comments
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    Publication date: Feb 2013

    Abstract:
    We present a Resonant Switch (RS) model of twin peak high-frequency
    quasi-periodic oscillations (HF QPOs), assuming switch of twin
    oscillations at a resonant point, where frequencies of the upper and
    lower oscillations νU and νL become to be
    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 non-linear resonant phenomena. The RS model enables to
    determine range of allowed values of spin a and mass M of the neutron
    star located at the atoll source 4U 1636-53 where two resonant points
    are observed at frequency ratios νU : νL =
    3:2, 5:4.

    Authors:
    Stuchlík, Zdeněk; Kotrlová, Andrea; Török, Gabriel;

    http://adsabs.harvard.edu/abs/2013IAUS..290..317S

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