Evidence for two maxima of activity in the 20th solar cycle

S. Cuperman, A. Sternlieb

Research output: Contribution to journalArticlepeer-review

Abstract

Analysis of the 5303 Å coronal line intensity and of the sunspot activity during the period 1962-1970 confirms the existence of two distinct maxima of solar activity, in accordance with the previous findings of Gnevyshev for the period 1954-1960.

Original languageEnglish
Pages (from-to)493-497
Number of pages5
JournalSolar Physics
Volume25
Issue number2
DOIs
StatePublished - Aug 1972

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