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astro-ph2002
Kilohertz quasi-periodic oscillations and strong field gravity in X-ray binaries
Mariano Mendez
In the past five years observations with the Rossi X-ray Timing Explorer have revealed fast quasi-periodic oscillations in the X-ray flux of about 20 X-ray binaries. Thought to ori…
astro-ph2002
First observation of a transition between "parallel tracks" in the kHz QPO frequency vs. intensity diagram
Mariano Mendez
Contrary to theoretical expectations, observations with the Rossi X-ray Timing Explorer (RXTE) show that in X-ray binaries timing properties are not uniquely correlated with X-ray…
astro-ph2002
Fast X-ray Oscillations and General Relativity effects in Neutron star systems
Mariano Mendez
Kilohertz quasi-periodic oscillations (kHz QPOs) are probably caused by matter in Keplerian orbit at some preferred radius in the accretion disc around a compact star. In a given s…