Published January 1948
| Published
Journal Article
Open
The Abundance of Oxygen in the Sun
- Creators
- Bowen, I. S.
Chicago
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Abstract
The forbidden O I lines at λλ5577, 6300, and 6363 appear as faint absorption lines in the solar spectrum. Measurements of the equivalent widths indicate that the reversing layer has 7×10^20 oxygen atoms per square centimeter. Comparison with the equivalent widths of the infra-red permitted lines yields an excitation temperature of 5200° for oxygen. The possibility of using forbidden lines for determining the abundance of other light elements is discussed.
Additional Information
© 1948 The American Physical Society. In conclusion, the author wishes to express his indebtedness to Mr. H. D. Babcock and Dr. Leo Goldberg for many helpful discussions concerning problems of identification and of theory, to Dr. S. B. Nicholson for taking the solar spectrograms used in this investigation, and to Dr. P. W. Merrill for the use of the spectrograms of HD 45677.Attached Files
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- CaltechAUTHORS:20140731-165006334
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