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Astrophysics and Astronomy Commons

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Wayne State University

2018

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Full-Text Articles in Astrophysics and Astronomy

Spectral–Timing Analysis Of Kilohertz Quasi–Periodic Oscillations In Neutron Star Low Mass X-Ray Binaries, Jon Troyer Jan 2018

Spectral–Timing Analysis Of Kilohertz Quasi–Periodic Oscillations In Neutron Star Low Mass X-Ray Binaries, Jon Troyer

Wayne State University Dissertations

Kilohertz quasi-periodic oscillations or kHz QPOs are X-ray intensity variations observed

in neutron star low-mass X-ray binary (LMXB) systems. In such systems, matter is transferred

from a secondary low-mass star to a neutron star via the process of accretion. kHz

QPOs occur on the timescale of the inner accretion flow and may carry signatures of the

physics of strong gravity (c2 ~GM/R) and possibly clues to constraining the neutron star

equation of state (EOS). No model to date has been able to illuminate the origin of kHz

QPOs. Spectral-timing is a set of analysis techniques useful in deriving information about …