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The Physical Properties of the Absorption Envelopes of Two QSOs

Published online by Cambridge University Press:  14 August 2015

Jeffery D. Scargle ,
Lawrence J. Caroff  and
Peter D. Noerdlinger
Jeffery D. Scargle
Affiliation:
Lick Observatory, Board of Studies in Astronomy and Astrophysics, University of California, Santa Cruz, and Ames Research Center, NASA, Moffett Field, Calif., U.S.A.
Lawrence J. Caroff
Affiliation:
Ames Research Center, NASA, Moffett Field, Calif., U.S.A.
Peter D. Noerdlinger
Affiliation:
New Mexico Institute of Mining and Technology, Socorro and Ames Research Center, NASA, Moffett Field, Calif., U.S.A.

Abstract

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The wide absorption troughs of certain resonance lines in the spectra of the QSOs PHL 5200 and RS 23 are produced by pure scattering and must therefore be compensated by an equal amount of emission. Analysis of the transfer of resonance-line radiation through a differentially expanding atmosphere shows that the absorption-emission profiles can be quantitatively understood on this basis.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 44: External Galaxies and Quasi-Stellar Objects , 1972 , pp. 151 - 154
Copyright
Copyright © Reidel 1972 

References

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