Solar Supergranular Dynamics

Author(s)	Dr. Paniveni Udayashankar
Country	India
Abstract	A dependence of the area of supergranular cells with respect to the Latitude is studied and it is found that the cells are situated symmetrically about the ±250 latitude. N-S symmetry with two minima at about 100 N and 100 S is noted . Fractal dimension of the supergranular cells also shows a marginal latitudinal dependence, variation being in the range 1.6 - 1.7 in the latitudinal limits of ±30 deg . Fractal dimension D for supergranulation is obtained according to the relation P α A^D/2 where ‘A’ is the area and ‘P’ is the perimeter of the supergranular cells. Circularity of supergranular cells is also studied in order to understand the turbulent aspect of the cells. Supergranular cells are essentially a manifestation of convective phenomena. They can shed light on the physical conditions in the convection zone of the Sun. Supergranules also play a key role in the transport and dispersal of magnetic fields and it is an important aspect to understand the solar cycle.
Keywords	Sun: granulation- Sun: activity - Sun: photosphere
Field	Physics > Astronomy
Published In	Volume 8, Issue 4, July-August 2026
Published On	2026-08-12

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