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Determination of the primordial helium abundance from radio recombination line observations

โœ Scribed by A. P. Tsivilev


Book ID
111437353
Publisher
Springer
Year
2009
Tongue
English
Weight
657 KB
Volume
35
Category
Article
ISSN
1063-7737

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The brightness of the helium D3line in t
โœ R. A. Gulyaev ๐Ÿ“‚ Article ๐Ÿ“… 1975 ๐Ÿ› Springer ๐ŸŒ English โš– 907 KB

Slitless spectra of the chromosphere, observed cinematographically at the total solar eclipse of 10 July 1972, were reduced. The surface brightness distribution of the helium D3 line in the undisturbed chromosphere was obtained in agreement with results by other observers. The available eclipse data