| 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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