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A forecast of solar activity in cycle 21

✍ Scribed by Ming-chan Wu

Publisher
Elsevier Science
Year
1980
Weight
140 KB
Volume
4
Category
Article
ISSN
0146-6364

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πŸ“œ SIMILAR VOLUMES

A forecast of solar activity for the 21s
A forecast of solar activity for the 21st solar cycle
✍ J. Xanthakis; C. Poulakos πŸ“‚ Article πŸ“… 1978 πŸ› Springer 🌐 English βš– 143 KB

Predicted values of some main indices of solar activity for the 21st solar cycle are given. The epoch of maximum of solar activity has been placed in 1980.8 + 0.1. The predicted peak values of the relative sunspot numbers published by other authors are also given.

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On the short term variations of solar activity during solar cycle 21
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Short-term variations ot the last solar activity cycle were studied by the flare and coronal indices using Gleissberg method. Systematic short-term variations are found from their course during the 21st solar activity cycle. Comparison of their autocorrelograms constructed by the new set of data obt

On the increase of solar activity in the
On the increase of solar activity in the southern hemisphere during solar cycle 21
✍ V. K. Verma πŸ“‚ Article πŸ“… 1988 πŸ› Springer 🌐 English βš– 158 KB

The present paper investigates the north-south asymmetry for major flares (solar cycles 19 and 20), type II radio bursts (solar cycles 19,20 and 21), white light flares (solar cycle 19,20 and 21), and gan~na ray bursts, hard X-ray bursts and coronal mass ejections (solar cycle 21). The results are