603 citations · 1.5k across the 33 of their papers we have counts for
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astro-ph2004★ 137 cited
Excitation of Disk Oscillations by Warps: A Model of kHz QPOs
Shoji Kato
The amplification of disk oscillations resulting from non-linear resonant couplings between the oscillations and a warp is examined. The disks are geometrically thin and general re…
astro-ph2004★ 27 cited
Mass and Spin of GRS 1915+105 Based on a Resonance Model of QPOs
Shoji Kato
We demonstrate that the four high-frequency QPOs observed in GRS 1915+105 can be interpreted as the oscillation modes on disks which non-linearly and resonantly interact with a war…