Testing the X-ray variability of active galactic nuclei with the nonlinear prediction method

B. Czerny (Copernicus Astronomical Center; H.J. Lehto (Turku University Observatory; Tuorla); Warsaw)

arxiv: astro-ph/9610002 · v2 · pith:TDLXHUWFnew · submitted 1996-10-01 · 🌌 astro-ph

Testing the X-ray variability of active galactic nuclei with the nonlinear prediction method

B. Czerny (Copernicus Astronomical Center , Warsaw) , H.J. Lehto (Turku University Observatory , Tuorla) This is my paper

classification 🌌 astro-ph

keywords x-rayactivegalacticnonlinearnucleipredictionvariabilityanalysis

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The analysis of eight EXOSAT X-ray lightcurves of six active galactic nuclei by nonlinear prediction methods indicates that the observed short time-scale variability is truly stochastic and is not caused by deterministic chaos. This result favors X-ray emission models with mutliple centers of production of hot, possibly relativistic electrons.

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Testing the X-ray variability of active galactic nuclei with the nonlinear prediction method

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