Active longitudes in minima of solar activity

Autor:	E. E. Benevolenskaya, I. G. Kostuchenko
Rok vydání:	2014
Předmět:	Solar minimum Physics Sunspot Astronomy Corona Magnetic flux Solar cycle Geophysics Space and Planetary Science Physics::Space Physics Astrophysics::Solar and Stellar Astrophysics Astrophysics::Earth and Planetary Astrophysics Longitude Chromosphere Dynamo
Zdroj:	Geomagnetism and Aeronomy. 54:1019-1025
ISSN:	1555-645X 0016-7932
DOI:	10.1134/s001679321408009x
Popis:	The evolution of the solar magnetic flux and ultraviolet radiation in the two minima of solar activity are analyzed and compared with the results of the last minimum analysis. It was found that in all three minima the spots and flocculi (faculae) of both the old and new cycles associated with them appear in the selected longitude intervals. It indicates the existence of a nonaxisymmetric component of the magnetic field generated by the dynamo mechanism. It is shown that despite low values of magnetic fluxes in the sunspot activity region in the epoch of minima, they have a significant influence on processes in the solar chromosphere and corona, and, as a result, affect the variation of solar ultraviolet radiation.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::28a3636b8538b5fb15f82bea5767f13c https://doi.org/10.1134/s001679321408009x Zobrazit plný text záznamu Full text from SpringerLink