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Global complexes of activity

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Abstract

A new concept of “Global Complexes of Activity” on the Sun is presented, which brings together objects associated with both global and local fields in a single framework. Activity complexes have traditionally been identified purely from observations of active regions. We show here that a global complex also includes coronal holes and active regions. Our analysis is based on a large dataset on magnetic fields on various scales, SOHO/MDI observations of active regions and magnetic fields, and UV observations of coronal holes. It is shown that the evolution of coronal holes and active regions are parts of a single process. The relationships between the fields on different scales during the generation of the cycle is discussed.

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Correspondence to V. N. Obridko.

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Original Russian Text © V.N. Obridko, B.D. Shelting, 2013, published in Astronomicheskii Zhurnal, 2013, Vol. 90, No. 10, pp. 857–868.

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Obridko, V.N., Shelting, B.D. Global complexes of activity. Astron. Rep. 57, 786–796 (2013). https://doi.org/10.1134/S1063772913100041

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