Non-radial coronal streamers in the course of the solar cycle |
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| Authors: | B P Filippov |
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| Institution: | (1) Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation, IZMIRAN, Troitsk, 142190, Russia;(2) Research Institute for Astronomy and Astrophysics of Maragah, Tabriz, Iran |
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| Abstract: | Equatorward deviations of coronal streamers at solar minima and poleward deviations at solar maxima are interpreted as the effects of changes in the general topology of the global solar magnetic field. The streamer axis is located on the neutral surface of the radial magnetic field B r = 0, and the neutral surfaces deviate toward the field null points. The magnetic configuration with a null point (line) located at the equator is typical for the solar minima, while the null points are located on the rotational axis of the Sun at the solar maxima. |
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