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Periodicity of sunspot activity in the modern solar cycles

โœ Scribed by Kejun, Li ;Tongwei, Su ;Hongfei, Liang


Publisher
Elsevier
Year
2004
Tongue
English
Weight
769 KB
Volume
49
Category
Article
ISSN
2095-9273

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๐Ÿ“œ SIMILAR VOLUMES


Periodicities in the sunspot cycle
โœ P.A.M. Berry ๐Ÿ“‚ Article ๐Ÿ“… 1987 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 697 KB
The 17-month periodicity of sunspot acti
โœ M. Akioka; J. Kubota; M. Suzuki; K. Ichimoto; I. Tohmura ๐Ÿ“‚ Article ๐Ÿ“… 1987 ๐Ÿ› Springer ๐ŸŒ English โš– 199 KB

A statistical study of sunspot activity during 1969 to 1986 was carried out by using the number of sunspot groups and their areas. We found a 17-month periodicity, which is consistent with the 500-day periodicity of flare occurrence (Ichimoto et aL, 1985). The short-term periodicity of sunspot acti