First detection of QPOs above 250 keV in Swift J1727.8-1613 with up to 8.9 sigma significance, showing decreasing rms and increasing soft lags that suggest a geometric origin from small-scale jet precession.
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Multi-band PCCDs for MAXI J1348-630, MAXI J1820+070 and Swift J1727.8-1613 show general consistency with RXTE hue regions in hard states, some soft-state deviations, energy-band differences, and a non-looping very high state signature.
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Search for the Highest-energy Quasiperiodic Oscillation in the Black Hole X-Ray Binary Candidate Swift J1727.8-1613
First detection of QPOs above 250 keV in Swift J1727.8-1613 with up to 8.9 sigma significance, showing decreasing rms and increasing soft lags that suggest a geometric origin from small-scale jet precession.
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Multi-band power color-color diagrams of three black hole X-ray binaries observed with Insight-HXMT
Multi-band PCCDs for MAXI J1348-630, MAXI J1820+070 and Swift J1727.8-1613 show general consistency with RXTE hue regions in hard states, some soft-state deviations, energy-band differences, and a non-looping very high state signature.