Sargent, Wallace L. W. (1987) QSO Absorption Lines and Cosmology. In: Observational Cosmology. International Astronomical Union Symposium (IAUS). No.124. Springer Netherlands , Dordrecht, pp. 777-792. ISBN 9789027724762. https://resolver.caltech.edu/CaltechAUTHORS:20200930-113055578
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Abstract
The properties of the different types of QSO absorption systems are briefly summarized. An overview is given of the potential applications of absorption lines in cosmology. Recent work on the cosmological evolution of the different types of absorbers is discussed. The physical properties of the intergalactic medium are discussed in the light of recent work on the “Lyman alpha clouds”. The uses of the lines for studies of the evolution of clustering in the Universe are described. Recent puzzling results on common absorption in pairs of QSOs, particularly Q1037-2704 and Q1038-2712, are summarized.
| Item Type: | Book Section | |||||||||
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| Additional Information: | © IAU 1987. I thank my co-workers A. Boksenberg, D. Kunth and C. Steidel for allowing me to quote the results of our joint work in advance of publication. I also thank D. Tytler for providing me with details of his unpublished work. The work described in this paper was supported in part by the National Science Foundation under Grant AST84-16704. | |||||||||
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| Subject Keywords: | Absorption Line; Heavy Element; Column Density; Intergalactic Medium; Gravitational Lens | |||||||||
| Series Name: | International Astronomical Union Symposium (IAUS) | |||||||||
| Issue or Number: | 124 | |||||||||
| DOI: | 10.1007/978-94-009-3853-3_93 | |||||||||
| Record Number: | CaltechAUTHORS:20200930-113055578 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20200930-113055578 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 105687 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 30 Sep 2020 19:26 | |||||||||
| Last Modified: | 16 Nov 2021 18:45 |
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