NASA NTRS · 19720015708
Hydrogen/helium ratio in stars
Abstract
The ratio of hydrogen-to-helium in main sequence B stars is analyzed. An attempt was made to match each observed neutral helium profile with a theoretically calculated profile. Observational results show an overall average of helium-to-hydrogen is roughly between 10% and 11% by number of atoms. Detailed results of each star examined are given in graphs. Theoretical and calculated results are in reasonable agreement.
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Leckrone, D.. 1972-01-01. Hydrogen/helium ratio in stars. https://ntrs.nasa.gov/citations/19720015708
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