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On the Relation between the Spectra of Sunspots and Stars

โœ Scribed by Lockyer, N.


Book ID
120124620
Publisher
The Royal Society
Year
1905
Weight
101 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