Quasi-periodic flux variations in pulsar 1A 0535+262 are accompanied by synchronized cyclotron line energy oscillations, providing evidence for rapid geometric reconfiguration of the accretion column in the radiation-pressure-dominated regime.
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First detection of mHz QPOs in 1A 0535+262 below 27 keV with frequencies evolving from 41 to 93 mHz, mostly hard lags, and double-peaked high-energy structure near outburst peak, interpreted as linked to soft-photon source and Comptonizing outflow evolution.
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Rapid quasi-periodic reconfiguration of the accretion column in pulsar 1A 0535+262
Quasi-periodic flux variations in pulsar 1A 0535+262 are accompanied by synchronized cyclotron line energy oscillations, providing evidence for rapid geometric reconfiguration of the accretion column in the radiation-pressure-dominated regime.
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Unveiling hidden millihertz quasi-periodic oscillations in 1A 0535+262
First detection of mHz QPOs in 1A 0535+262 below 27 keV with frequencies evolving from 41 to 93 mHz, mostly hard lags, and double-peaked high-energy structure near outburst peak, interpreted as linked to soft-photon source and Comptonizing outflow evolution.