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On the Relation between the Spectra of Sunspots and Stars

โœ Scribed by Norman Lockyer


Book ID
124175287
Publisher
The Royal Society
Year
1904-1905
Weight
277 KB
Volume
74
Category
Article
ISSN
0365-0855

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The relation between the intensities of
โœ G. Ekmann ๐Ÿ“‚ Article ๐Ÿ“… 1974 ๐Ÿ› Springer ๐ŸŒ English โš– 160 KB

Abstsact. Based on pinhole photometer observations in 4-6 wavelength regions 'gee have searched for a connection between the intensities of the umbra and the penumbra of sunspots. For the 1.67 pm wavelength region it is apparent that spots with dark umbrae also have dark penumbrae. In the other wave