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Title: Activity dependence of solar supergranular fractal dimension
Authors: Paniveni, U
Krishan, V
Singh, J
Srikanth, R
Keywords: Methods: Data Analysis;Methods: Statistical;Techniques: Image Processing;Sun: Activity;Sun: Granulation;Sun: Photosphere
Issue Date: Feb-2010
Publisher: Blackwell Publishing
Citation: Monthly Notices of the Royal Astronomical Society, Vol. 402, No.1, pp. 424 – 428
Abstract: We study the complexity of supergranular cells using the intensity patterns obtained at the Kodaikanal Solar Observatory during the solar maximum. Our data consist of visually identified supergranular cells, from which a fractal dimension D for supergranulation is obtained according to the relation P ~ AD/2, where A is the area and P the perimeter of the supergranular cells. We find a fractal dimension of about 1.12 for active region cells and about 1.25 for quiet region cells, a difference that could be attributed to the inhibiting effect of the magnetic field.
Description: Restricted Access
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Appears in Collections:IIAP Publications

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