Two-dimensional power spectrum of small-scale magnetic fields on the quiet sun.

Details Two-dimensional power spectrum of small-scale magnetic fields on the quiet sun. Two-dimensional power spectrum of small-scale magnetic fields on the quiet sun.

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990acaps..10...96w&link_type=abstract

Acta Astrophys. Sin., Vol. 10, No. 1, p. 96 - 98

Astronomy and Astrophysics

Astrophysics

Solar Magnetic Fields: Quiet Sun, Solar Granulation: Magnetic Fields

Scientific paper

Based on magnetograms of September 5, 1988, the authors constructed a 2-D power spectrum for small-scale magnetic fields in a solar quiet region. The preliminary results are summarized as follows. (1) The solar magnetic fields in quiet regions are not only concentrated in discrete flux patches, but also distributed over discrete spatial periods. (2) The most obvious periods of small-scale fields are of supergranule scales. There are some peaks in the power spectrum corresponding to the spatial periods in mesogranule scales, and to the scales in between meso- and supergranules.

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