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- W1520347842 abstract "X-ray properties of optically selected QSOs are reviewed, and their implications for the QSO evolution and luminosity function are summarized. Analyses of the explicit dependence of the X-ray to optical luminosity ratio parameter alpha (a,x) on redshift z and optical luminosity Lo are described, and results from a recent analysis of complete, magnitude-limited samples of optically selected QSOs are presented. It is shown that probably all optically-selected QSOs are X-ray loud and that comparisons of the optical evolution and luminosity function, combined with the alpha(o,x)(z,Lo) dependence, with X-ray-selected samples are numerically sensitive to the details of the input." @default.
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- W1520347842 date "1986-01-01" @default.
- W1520347842 modified "2023-09-27" @default.
- W1520347842 title "Quasar Evolution and Luminosity Function: An X-Ray Perspective" @default.
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- W1520347842 doi "https://doi.org/10.1007/978-94-009-4562-3_23" @default.
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