Coronal line intensity as an integrated index of solar activity
β Scribed by J. Xanthakis; B. Petropoulos; H. Mavromichalaki
- Publisher
- Springer Netherlands
- Year
- 1990
- Tongue
- English
- Weight
- 675 KB
- Volume
- 164
- Category
- Article
- ISSN
- 0004-640X
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π SIMILAR VOLUMES
Intensities of resonance lines in X-ray region for Si Ix-Si xIv ions are calculated by considering total excitation, i.e., excitation due to electron impact and dielectronic recombination. It is found that the contribution of the latter is quite significant. For consistency, the electron density eff
We studied the occurrence of ENSO (El Nifio-Southern Oscillation) events in relation to solar activity conditions and we found that the events are distributed in two populations, one that could be associated with low latitude coronal holes which occur along the ascending phase of the cycle and the o