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INTEGRAL PROPERTIES OF SOLAR ACTIVE REGIONS

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Abstract:

In the paper the results of investigations on ten solar active regions are presented. The main results are as follows: firstly, the total down-flow velocity exceeds the up-flow velocity by about two orders of magnitude in all the active regions; secondly, no correlation was found between the mean integral velocity flux and the mean integral magnetic flux for all the active regions; thirdly, it was found that, besides a direct correlation between the total sunspot area and the total magnetic flux in active regions, occasionally there is an inverse correlation between these parameters, and the inverse correlation times often corresponded to the structural and topological rebuilding of magnetic flux in the active regions; fourthly, a good correlation was found between some parameters of integral fluxes (magnetic and velocity) and X-ray flux variations.

Keywords: Solar activity; X-ray fluxes; solar active regions

Document Type: Research Article

DOI: https://doi.org/10.1080/1055679031000080366

Affiliations: 1: Institute of Terrestrial Magnetism, Ionosphere and Radiowave Propagation, Troitsk 142190, Russia 2: National Astronomical Observatories, Chinese Academy of Sciences, Beiging 100012, China 3: Scobeltsin Institute of Nuclear Physics, Moscow State University, Moscow 119899, Russia

Publication date: 2003-06-01

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