| Issue |
A&A
Volume 591, July 2016
|
|
|---|---|---|
| Article Number | A77 | |
| Number of page(s) | 6 | |
| Section | Stellar structure and evolution | |
| DOI | https://doi.org/10.1051/0004-6361/201628428 | |
| Published online | 20 June 2016 | |
Research Note
Non-linear behaviour of XTE J1550-564 during its 1998−1999 outburst, revealed by recurrence analysis
Center for Theoretical Physics, Polish Academy of Sciences,
Al. Lotnikow 32/46,
02-668
Warsaw,
Poland
e-mail: psukova@cft.edu.pl
Received:
3
March
2016
Accepted:
5
May
2016
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.
Key words: black hole physics / accretion, accretion disks / chaos
© ESO, 2016
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