Comparison of the sector and conventional spherical harmonic analyses of the solar magnetic field on the photosphere, source surface, and in the Earth’s orbit on July 10–20, 2004


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The results of a spherical harmonic analysis and a sector spherical harmonic analysis of the solar magnetic field on the photosphere, source surface, and in the Earth’s orbit on July 10–20, 2004, were compared. It was found that the field values according to a sector harmonic analysis are an order of magnitude as large as the same values according to a spherical harmonic analysis and differ in the configuration. A twocomponent magnetic field structure was revealed: short-range sources are better described by a sector spherical harmonic analysis; long-range sources are better described by a spherical harmonic analysis. This is caused by the different depths of the occurrence of sources below the photosphere.

Sobre autores

K. Ivanov

Pushkov Institute of Terrestrial Magnetism, Ionosphere, and Radiowave Propagation

Autor responsável pela correspondência
Email: kivanov@izmiran.ru
Rússia, Troitsk, Moscow oblast, 142190

A. Kharshiladze

Pushkov Institute of Terrestrial Magnetism, Ionosphere, and Radiowave Propagation

Email: kivanov@izmiran.ru
Rússia, Troitsk, Moscow oblast, 142190

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