Probing the accretion disc structure by the twin kHz QPOs and spins of neutron stars in LMXBs
Monthly Notices of the Royal Astronomical Society(2017)
摘要
We analyse the relation between the emission radii of twin kilohertz quasi-periodic oscillations (kHz QPOs) and the co-rotation radii of the 12 neutron star low-mass X-ray binaries (NS-LMXBs), which are simultaneously detected with the twin kHz QPOs and NS spins. We find that the average co-rotation radius of these sources is 〈rco〉 ∼ 32 km, and all the emission positions of twin kHz QPOs lie insid...
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关键词
accretion, accretion discs,binaries: close,stars: neutron,X-rays: binaries
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