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The Principle of Invariance and Non-coherent Scattering

Published online by Cambridge University Press:  25 April 2016

J. N. Holt
J. N. Holt*
Affiliation:
Department of Physics, University of Queensland
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Extract

The purpose of this paper is to obtain an expression for the reflecting properties of a semi-infinite, plane parallel, isothermal atmosphere of scattering factor λ. The absorption and scattering of the incident radiation is assumed to be entirely due to transitions in two-level atoms, and the absorption and emission profiles are given by <f>(y), y being frequency from line centre in Doppler units.

Type
Contributions
Information
Publications of the Astronomical Society of Australia , Volume 1 , Issue 8 , September 1970 , pp. 383 - 384
Copyright
Copyright © Astronomical Society of Australia 1970

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References

1 Ambartsumyan, V. A., ‘Theoretical Astrophysics’, Pergamon Press, London 1958, p.599.Google Scholar
2 Wanning, R. F., Astrophys. J., 159, 593 (1970).Google Scholar