Abstract
Abstract It is emphasized that photospheric downdrafts represent the main feature common to both quit and active regions of the solar atmosphere. The results of the magnetic field transport velocity calculations are used to specify the convection zone magnetic structure. The concept of combined interface and convection dynamo is suggested. A time-spatial diagram is proposed to represent an active region evolution. The diagram is illustrated by a set of observations of an active region obtained from June 20 to July 1, 1981. A tentative scenario of an active region formation is outlined.
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Schedule a callMore From: Astronomical and Astrophysical Transactions, Vol. 33, No. 3
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