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Temporal variations in the position of the heliospheric equator

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Abstract

It is shown that the centroid of the heliospheric equator undergoes quasi-periodic oscillations. During the minimum of the 11-year cycle, the centroid shifts southwards (the so-called bashful-ballerina effect). The direction of the shift reverses during the solar maximum. The solar quadrupole is responsible for this effect. The shift is compared with the tilt of the heliospheric current sheet.

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Authors and Affiliations

  1. Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation, Russian Academy of Sciences, IZMIRAN, Troitsk, Moscow Region, 142190, Russia

    V. N. Obridko & B. D. Shelting

Authors
  1. V. N. Obridko
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  2. B. D. Shelting
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Original Russian Text © V.N. Obridko, B.D. Shelting, 2008, published in Astronomicheskiĭ Zhurnal, 2008, Vol. 85, No. 8, pp. 750–754.

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Obridko, V.N., Shelting, B.D. Temporal variations in the position of the heliospheric equator. Astron. Rep. 52, 676–679 (2008). https://doi.org/10.1134/S1063772908080088

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  • DOI: https://doi.org/10.1134/S1063772908080088

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