Bifractal Behavior of Solar Supergranulation and Magnetic Activity

• Autorzy: Rajani G. , Sowmya G. M. , Paniveni U. , Srikanth R.

Identyfikatory

DOI

10.32023/0001-5237/72.3.5

• Języki publikacji: EN

Abstrakty

EN

We study the complexity and scale of the supergranular network across the 23rd solar cycle, using the Ca II K digitized intensitygrams from the Kodaikanal Solar Observatory (KSO). Enhancing our previous data and refining our data analysis, we study supergranular fractal dimension as a function of cell size. We find that across the cycle phases, the cells show a bifractal behavior, with approximately half the larger cells in the studied scale range showing a slightly greater fractal dimension than the smaller cells. We also study the discrepancy between supergranular scale as determined by direct inspection methods (around 17 Mm) and autocorrelation (around 30 Mm), and attribute this to a preferential selection of well defined cells in the former case.

Słowa kluczowe

EN

Sun: granulation; Sun: activity; Sun: photosphere

• Wydawca: Copernicus Foundation for Polish Astronomy
• Czasopismo: Acta Astronomica
• Rocznik: 2023
• Tom: Vol. 73, No. 2
• Strony: 187--195
• Opis fizyczny: Bibliogr. 36 poz., tab., wykr.

Twórcy

autor

Rajani G.

• PES College of Engineering, Mandya - 571401, Karnataka, India

autor

Sowmya G. M.

• GSSS Institute of Engineering and Technology for Women, KRS Road, Metagalli Mysuru - 570016, Karnataka, India

autor

Paniveni U.

• Bangalore University, Jnanabharathi, Bengaluru - 560056
• Poornaprajna Institute of Scientific Research, Devanahalli, Bangalore - 562110, Karnataka, India

autor

Srikanth R.

• Poornaprajna Institute of Scientific Research, Devanahalli, Bangalore - 562110, Karnataka, India

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