Photospheric Manifestations of Supergranules During the Last Two Solar Minima

Details Photospheric Manifestations of Supergranules During the Last Two Solar Minima Photospheric Manifestations of Supergranules During the Last Two Solar Minima

2010-04-06

arxiv.org/abs/1004.0936v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

4 pages, 2 figures

Scientific paper

Solar supergranulation plays an important role in generating and structuring the solar magnetic field and as a mechanism responsible for the 11-year solar cycle. It is clearly detected within SOHO/MDI Dopplergrams, from which a variety of properties may be derived. Techniques that extract spatial, temporal and kinematic characteristics and provide comparisons for the two most recent solar minima are described. Although supergranule lifetimes are comparable between these minima, their sizes maybe slightly smaller during the recent minimum.

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