Universal persistence in astrophysical sources

G.F. Zebende, M.G. Pereira, E. Nogueira and M.A. Moret

Physica A: Statistical Mechanics and its Applications, 2005, vol. 349, issue 3, 452-458

Abstract: We study the temporal correlations in 412 light curves of X-ray sources present in the public data collected by the instrument All Sky Monitor on board of the satellite Rossi X-ray timing explorer. The temporal light curves were analyzed applying detrended fluctuation analysis. The fluctuation of the X-ray light curves coming from astrophysical systems present temporal self-affinity as an intrinsic behavior. We present the results from cataclysmic variables, X-ray binary systems, galaxies, pulsars and other X-ray sources independently and we observe a universal behavior in the long-range scaling exponent α.

Keywords: DFA; Astrophysical systems; Long-range power-law correlation (search for similar items in EconPapers)
Date: 2005
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:349:y:2005:i:3:p:452-458

DOI: 10.1016/j.physa.2004.10.027

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