Short-term periodicities of solar activity were studied with the flare index by using Discrete Fourier Transform for the time interval 1966-1986. Two noticeable periodicities (18.5 and 5 months) have been found. The existence of these periodicities comparing with the early findings is discussed.
✦ LIBER ✦
Time variation of the flare index during the 21st solar cycle
✍ Scribed by T. Ataç
- Publisher
- Springer Netherlands
- Year
- 1987
- Tongue
- English
- Weight
- 182 KB
- Volume
- 135
- Category
- Article
- ISSN
- 0004-640X
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