Abstract
High-quality stratospheric photographs in the continuum were used to investigate spatial scales of the solar granulation field. Two-dimensional intensity power spectra are shown to contain most frequently the modes corresponding to the sizes of granules, protogranules, mesogranules, and supergranules. The place of these four, the most steady formations of the quiet Sun in the global structure of the solar photosphere, is discussed as well as their interconnection and their relation to weak and strong magnetic fields. The protogranulation scale is argued to play an important role in organization of the fine structure of the photosphere and magnetic fields in the quiet and active regions of the Sun.
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Ikhsanov, R.N., Parfinenko, L.D. & Efremov, V.I. ON THE ORGANIZATION OF FINE STRUCTURE OF THE SOLAR PHOTOSPHERE. Solar Physics 170, 205–215 (1997). https://doi.org/10.1023/A:1004983810664
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DOI: https://doi.org/10.1023/A:1004983810664