Volume 383, Number 2, FebruaryIV 2002
|Page(s)||648 - 652|
|Section||Planets and planetary systems|
|Published online||15 February 2002|
Regularity of the north-south asymmetry of solar activity
Yunnan Observatory, Kunming 650011, PR China e-mail: email@example.com
2 National Astronomical Observatories, Beijing 100012, PR China
3 Library, Yunnan University, Yunnan, PR China
4 Astronomy Program, SEES, Seoul National University, Seoul, Korea
5 United Laboratory of Optical Astronomy, CAS, PR China
Corresponding author: K. J. Li, firstname.lastname@example.org
Accepted: 7 November 2001
In the present work, the dominant hemisphere of solar activity in each of solar cycles 12 to 22 has been clarified by calculating the actual probability of the hemispheric distribution of several solar activity phenomena using long-term observational records. An attempt is made to demonstrate that a long characteristic time scale, about 12-cycle length, is inferred to occur in solar activity.
Key words: Sun: activity / Sun: general / Sun: sunspots
© ESO, 2002
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