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Journal of Automation and Information Sciences
SJR: 0.275 SNIP: 0.59 CiteScore™: 0.8

ISSN 印刷: 1064-2315
ISSN オンライン: 2163-9337

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Journal of Automation and Information Sciences

DOI: 10.1615/J Automat Inf Scien.v38.i6.30
pages 25-38

On Applying the Apparatus of Analyzing the Time Series to Estimation of Solar Structures Rotations in the Upper Chromosphere

Yarema I. Zyelyk
Institute of Space Research of National Academy of Sciences of Ukraine and National Space Agency of Ukraine, Kyiv, Ukraine
Nataliya N. Stepanyan
Research Institute "Crimean Astrophysical Observatory" of Ministry of Education and Science of Ukraine, Crimea, settlement Nauchnyi of Bakhchisaraiskiy region
Olga A. Andryeyeva
Research Institute "Crimean Astrophysical Observatory" of Ministry of Education and Science of Ukraine, Crimea, settlement Nauchnyi of Bakhchisaraiskiy region

要約

The Fourier analysis method of the time series is applied to estimating the rotation of structural formations in the Sun atmosphere observable in the line Hel of 1083 nanometers from the Earth. On the basis of the original method of the solar disk images discretization the time series of average values of the images intensities in the 3° heliographic latitude zones on the time interval relevant to 50 Sun rotations are obtained. By the algorithms implemented in the software, estimation is made of the rotation period of structures, spectral densities and power of processes in the latitude zones. The results can be applied to the quantitative characteristic of differential rotation of the solar formations.


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