Non-linear behaviour of XTE J1550-564 during its 1998-1999 outburst, revealed by recurrence analysis

Abstract

We study the X-ray emission of the microquasar XTE J1550-564 and analyze the properties of its light curves using the recurrence analysis method. The indicators for non-linear dynamics of the accretion flow are found in the very high state and soft state of this source. The significance of deterministic variability depends on the energy band. We discuss the non-linear dynamics of the accretion flow in the context of the disc-corona geometry and propagating oscillations in the accretion flow.

arXiv comment6 pages, 4 figures, 2 tables, accepted to A&A

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• Surrogate time series
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• Quasi-periodic Oscillations in XTE J1550-564: The rms-flux relation
• Chaotic and stochastic processes in the accretion flows of the black hole X-ray binaries revealed by recurrence analysis

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