• DOI:10.1111/j.1365-2966.2005.09403.x
Corpus ID: 14022993

Sun's retrograde motion and violation of even-odd cycle rule in sunspot activity

@article{Javaraiah2005SunsRM,
  title={Sun's retrograde motion and violation of even-odd cycle rule in sunspot activity},
  author={J. Javaraiah},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2005},
  volume={362},
  pages={1311-1318}
}

• J. Javaraiah
• Published 2005
• Physics
• Monthly Notices of the Royal Astronomical Society

The sum of sunspot numbers over an odd-numbered 11-yr sunspot cycle exceeds that of its preceding even-numbered cycle, and it is well known as Gnevyshev and Oh1 rule (or G-O rule) after the names of the authors who discovered it in 1948. The G-O rule can be used to predict the sum of sunspot numbers of a forthcoming odd cycle from that of its preceding even cycle. However, this is not always possible because occasionally the G-O rule is violated. So far, no plausible reason is known either for… Expand

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