On the dissolution of sunspot groups

descriptionPublicationkeyboard_double_arrow_right Article 01 Mar 1982 English Publisher:Springer Science and Business Media LLCJournal:Solar Physics, volume 76 (issn: 0038-0938, eissn: 1573-093X,

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Authors: StevenG. Wallenhorst; Robert Howard;

doi: 10.1007/bf00170983

On the dissolution of sunspot groups

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Abstract

The behavior of magnetic fluxes from active regions is investigated for times near sunspot disappearance. It is found that the magnetic fluxes decrease on or near the date the spot vanishes. This effect is investigated and it is concluded that it is actually due to changes in the field, rather than through dissipation of the active region fields. This is important in considerations of the large-scale behavior of solar magnetic fields.

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Carnegie Institution for Science
United States

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