Electronic Resource
Springer
Solar physics
107 (1986), S. 11-26
ISSN:
1573-093X
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract The structure of the solar granulation has been analysed using computer-processed images of two very high resolution (0″.25) white-light pictures obtained at the Pic-du-Midi Observatory. The narrow dispersion in the distribution of granule sizes is not confirmed. On the contrary, it is found that the number of granules increases continuously toward smaller scales; this means that the solar granulation has no characteristic or mean scale. Nevertheless, the granules appear to have a critical scale of 1″.37, at which drastic changes in the properties of granules occur; in particular the fractal dimension changes at the critical scale. The granules smaller than this scale could be of turbulent origin.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00155337
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