Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001a%26at...20..505k&link_type=abstract
Astronomical and Astrophysical Transactions, vol. 20, Issue 3, pp.505-508
Astronomy and Astrophysics
Astronomy
The Sun, Magnetic Field, Variability, Cycle
Scientific paper
Measurements of the mean magnetic field (MMF) of the Sun from 1968-1999 showed that (1) the Sun's magnetic field has a predominance of S-polarity, (2) it changes with periods 1.04, 1.60 and 23 yr, (3) the yearly-mean index of MMF energy reached the peak value in 1991, and after that (4) a significant decrease of MMF was observed. It is supposed that (a) the magnetic asymmetry of the Sun is a fundamental property of solar magnetism, (b) there are near-resonances between the MMF and orbital motions of Mercury, Venus and Earth which arose at early stages of formation of the Solar system, and (c) cycle 23 will display an anomalously low magnetic and sunspot activity.
Kotov S. V.
Kotov Valerii A.
Kotova I. V.
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