NEWCOMB-BENFORD LAW IN ASTROPHYSICAL SOURCES

M. A. Moret (), V. de SENNA (), M. G. Pereira and G. F. Zebende ()
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M. A. Moret: Programa de Modelagem Computacional, Fundação Visconde de Cairu 40226-900 Salvador, Bahia, Brazil;
V. de SENNA: Programa de Modelagem Computacional, Fundação Visconde de Cairu 40226-900 Salvador, Bahia, Brazil
M. G. Pereira: Departamento de Física, UEFS 44031-460 Feira de Santana, Bahia, Brazil
G. F. Zebende: Programa de Modelagem Computacional, Fundação Visconde de Cairu 40226-900 Salvador, Bahia, Brazil;

International Journal of Modern Physics C (IJMPC), 2006, vol. 17, issue 11, 1597-1604

Abstract: We study the behavior of the numbers in 412 light curves of cataclysmic variables, x-ray binary systems, galaxies, pulsars, supernovae remnants and other 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 Newcomb-Benford Law. The first digit of the x-ray light curves coming from astrophysical systems obeys the Newcomb-Benford Law as an intrinsic behavior. The nonextensive statistical mechanics behavior of astrophysical sources seem to be the cause for these sources to obey the Newcomb-Benford law. Some x-ray binary systems, however, do not follow this behavior. These systems obey either a gaussian or a bimodal distribution.

Keywords: X-ray; light curves; nonextensive behavior; Tsallis statistics; 0.6.30.Ak; 05.40.Aa; 05.45.Tp; 89.75.Da; 96.60.Rd; 97.80.-d (search for similar items in EconPapers)
Date: 2006
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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DOI: 10.1142/S0129183106010054

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