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Broadening of the Solar Sodium D-Lines by Atomic Hydrogen

Published online by Cambridge University Press:  25 April 2016

L. F. Mcnamara
L. F. Mcnamara*
Affiliation:
Ionospheric Prediction Service Division, Commonwealth Centre, Sydney
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Extract

It is well known that the wings of the solar sodium D-lines cannot be predicted successfully using present line-broadening theories and elemental abundances derived from an equivalent-width analysis of the weak lines. By far the most important cause of broadening of the D-lines is collision broadening by neutral hydrogen.

Type
Contributions
Information
Publications of the Astronomical Society of Australia , Volume 2 , Issue 1 , July 1971 , pp. 40 - 41
Copyright
Copyright © Astronomical Society of Australia 1971

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References

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