Differential rotation of photospheric magnetic fields associated with coronal holes

Details Differential rotation of photospheric magnetic fields associated with coronal holes Differential rotation of photospheric magnetic fields associated with coronal holes

Apr 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976soph...47..601a&link_type=abstract

Solar Physics, vol. 47, Apr. 1976, p. 601-605.

Physics

7

Photosphere, Solar Corona, Solar Magnetic Field, Solar Rotation, Angular Velocity, Faculae, Filaments, Latitude

Scientific paper

An interesting aspect of solar rotation is the fact that coronal holes seem to exhibit little or no differential rotation. The question is investigated of whether or not the photospheric magnetic fields underlying coronal holes also exhibit reduced differential rotation. In order to accomplish this, the daily positions of filaments and plages surrounding a large coronal hole that lasted for several disk passages were measured. The resulting differential-rotation curve was considerably flatter than the standard curve for long-lived filaments and was in remarkably good agreement with the curve found for the overlying coronal hole itself.

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