期刊
ASTROPHYSICAL JOURNAL
卷 694, 期 1, 页码 387-395出版社
IOP PUBLISHING LTD
DOI: 10.1088/0004-637X/694/1/387
关键词
black hole physics; stars: neutron; gravitation; relativity
资金
- Department of Science and Technology ( DST), India [SR/S2/HEP12/2007]
We propose a unified model to explain Quasi-Periodic Oscillation (QPO), particularly of high frequency, observed from black hole and neutron star systems globally. We consider accreting systems to be damped harmonic oscillators exhibiting epicyclic oscillations with higher-order nonlinear resonance to explain QPO. The resonance is expected to be driven by the disturbance from the compact object at its spin frequency. The model explains various properties parallelly for both types of the compact object. It describes QPOs successfully for ten different compact sources. Based on this, we predict the spin frequency of the neutron star Sco X-1 and specific angular momentum of black
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