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Variations of the Ionosphere and of the Solar Intensity with Sunspots

✍ Scribed by E. O. Hulburt


Book ID
123671010
Publisher
National Academy of Sciences
Year
1957
Tongue
English
Weight
188 KB
Volume
43
Category
Article
ISSN
0027-8424

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Limb-darkening and solar cycle variation
✍ F. Albregtsen; P. B. JorΓ₯s; P. Maltby πŸ“‚ Article πŸ“… 1984 πŸ› Springer 🌐 English βš– 677 KB

New observations of the umbral limb-darkening are presented. We find a real and significant decrease in the umbra/photosphere intensity ratio towards the limb. This result contrasts the findings of previous authors and we believe this to be the first time such a decrease is reported. Our conclusion