Tendency of Discreteness of the Solar Amplitude and Intercycle Relatedness
Author(s) -
Akio Yoshida,
Ryan Sayre
Publication year - 2012
Publication title -
advances in astronomy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.364
H-Index - 34
eISSN - 1687-7977
pISSN - 1687-7969
DOI - 10.1155/2012/519852
Subject(s) - physics , amplitude , inverse , font , matrix (chemical analysis) , scalable vector graphics , style (visual arts) , statistics , combinatorics , optics , analytical chemistry (journal) , geometry , mathematics , composite material , chromatography , artificial intelligence , materials science , archaeology , history , chemistry , computer science , operating system
We suggest that the average of the sunspot number (SSN) over a cycle offers a more appropriate index than the maximum value of the SSN in the evaluation of the activity of solar cycles. We then show that the average SSN has a tendency to take discrete values, that is, integral multiples of 20. This remarkable finding is supported by the fact that SSNs around the maximum are likely to take some particular values. Further, it is shown that there exists a positive correlation in the amplitude between even-numbered cycles and succeeding odd-numbered cycles and an inverse correlation between (2+1) cycles and (2+4) cycles where represents an integer. If these two correlations are combined, it turns out that there exist two mutually independent series of cycles which do not mix or merge
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