𝔖 Bobbio Scriptorium
✦   LIBER   ✦

The 22-year cycle of the sun

✍ Scribed by Wolfgang Kundt

Publisher
Springer Netherlands
Year
1992
Tongue
English
Weight
626 KB
Volume
187
Category
Article
ISSN
0004-640X

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πŸ“œ SIMILAR VOLUMES

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Some earlier investigations seem to indicate that sunspots show an average drift in latitude which varies sinusoidally with the period of the double sunspot cycle (about 22 years), while the same investigations do not show similar variability with the period of the single sunspot cycle (about 11 yea

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Systematic measurements of the differential Doppler velocity of the Sun have been performed in Crimea from 1974 through 1988 (total 987 days, 6197 hours of observations). They confirm the presence of a long-term phase-coherent solar pulsation with a period of 160.010 min. On the other hand, the anal