A note on the slope-shift anticorrelation in the neutron star kHz QPOs data

Details A note on the slope-shift anticorrelation in the neutron star kHz QPOs data A note on the slope-shift anticorrelation in the neutron star kHz QPOs data

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005ragt.meet....1a&link_type=abstract

In Proceedings of RAGtime 6/7: Workshops on black holes and neutron stars, Opava, 16-18/18-20 September, 2004/2005; S. Hledík an

Physics

6

Lmxrb, Neutron Stars, X-Ray Variability, Observations, Theory

Scientific paper

Observations show that the upper νU and lower νL of the ``twin peak'' high frequency QPOs in neutron star sources vary along lines νU = AνL + B in a frequency-frequency plot, and that their ratios νU/νL cluster near the value 3/2. This behaviour is well consistent with the predictions of the non-linear resonance model for QPOs. In this Note, we further explore our recent finding that the coefficients A, B of the frequency-frequency lines for individual sources are anticorrelated. In the (A,B) plane, they occupy rather a narrow region along the line A = 3/2 - B/600 Hz. We show that this observational property of QPOs also follows from the resonance model

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