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Power Density (rms/mean) 2 /Hz. Low-Frequency QPOs: XTE J1550-564. QPOs (0.1-30 Hz). 2.7 Hz. 2-20 keV. 0.001 0.01 0.1 1 10 100 1000 Frequency (Hz ). X-ray Intensity counts/16 ms.
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Power Density (rms/mean)2/Hz Low-Frequency QPOs: XTE J1550-564 QPOs (0.1-30 Hz) 2.7 Hz 2-20 keV 0.001 0.01 0.1 1 10 100 1000 Frequency (Hz) X-ray Intensity counts/16 ms 0 2 4 6 8 10 Time (sec) Sobczak et al. 2000 RXTE