EAS Publications Series
Volume 9, 2003Magnetism and Activity of the Sun and Stars
|Page(s)||191 - 191|
|Published online||17 November 2003|
J. Arnaud and N. Meunier (eds)
EAS Publications Series, 9 (2003) 191
The solar granulation over the cycle
Observatoire Midi-Pyrénées, 57 Avenue d'Azereix, BP. 826, Tarbes Cedex, France
During the last decade, it has been suggested that the structure of the solar photosphere, in the quiet sun, varies over the 11-year activity cycle but this variability of various quiet sun parameters (intensity, granule sizes, overshoot, etc.) has not been fully demonstrated yet. The recent advance in the knowledge of the solar granule properties (flow evolutions, size distribution, spatial organization, interaction with magnetic field, line asymmetry, penetration in stable layers, morphological properties, etc.) let us optimistic to try to understand and to measure the cyclic variations of the photosphere.
© EAS, EDP Sciences, 2003
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