KOTRLOVÁ, Andrea, Zdeněk STUCHLÍK a Gabriel TÖRÖK. Resonant switch model of twin peak HF QPOs applied to the source 4U 1636-53. Acta Astronomica. PL - Polská republika, 2012, roč. 62, č. 4, s. 389-407. ISSN 0001-5237. |
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@article{42113, author = {Kotrlová, Andrea and Stuchlík, Zdeněk and Török, Gabriel}, article_location = {PL - Polská republika}, article_number = {4}, keywords = {Accretion; Accretion disks; Stars: neutron; X-rays: binaries}, language = {eng}, issn = {0001-5237}, journal = {Acta Astronomica}, title = {Resonant switch model of twin peak HF QPOs applied to the source 4U 1636-53}, url = {http://acta.astrouw.edu.pl/Vol62/n4/pdf/pap_62_4_5.pdf}, volume = {62}, year = {2012} }
TY - JOUR ID - 42113 AU - Kotrlová, Andrea - Stuchlík, Zdeněk - Török, Gabriel PY - 2012 TI - Resonant switch model of twin peak HF QPOs applied to the source 4U 1636-53 JF - Acta Astronomica VL - 62 IS - 4 SP - 389-407 EP - 389-407 SN - 00015237 KW - Accretion KW - Accretion disks KW - Stars: neutron KW - X-rays: binaries UR - http://acta.astrouw.edu.pl/Vol62/n4/pdf/pap_62_4_5.pdf N2 - Resonant Switch (RS) model of twin peak high-frequency quasi-periodic oscillations (HF QPOs) assumes switch of twin oscillations at a resonant point where frequencies of the upper and lower oscillations VU and V L become 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 nonlinear resonant phenomena. The RS model is used to determine range of allowed values of spin a and mass M of the neutron starlocated in the atoll source 4U 1636-53 where two resonant points are observed at frequency ratios VU: VL = 3:2,5:4. We consider the standard specific models of the twin oscillations based on the orbital and epicyclic geodetical frequencies. The resonantpoints are determined by the energy switch effect exhibited by the vanishing of the amplitude difference of the upper and lower oscillations. The predicted ranges of the neutron star parameters are strongly dependent on the twin modes ap ER -
KOTRLOVÁ, Andrea, Zdeněk STUCHLÍK a Gabriel TÖRÖK. Resonant switch model of twin peak HF QPOs applied to the source 4U 1636-53. \textit{Acta Astronomica}. PL - Polská republika, 2012, roč.~62, č.~4, s.~389-407. ISSN~0001-5237.
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