The evolution of optically selected QSOs. II

Astronomy and Astrophysics – Astronomy

Scientific paper

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Astronomical Spectroscopy, Luminosity, Quasars, Astronomical Catalogs, Magnitude, Maximum Likelihood Estimates

Scientific paper

A complete catalog of 420 faint UV-excess-selected QSOs is used to determine the QSO luminosity function and its evolution. At faint magnitudes the number-magnitude relation for QSOs exhibits the expected departure from the steep power-law slope occurring at brighter magnitudes. Luminosity evolution models are proposed which can describe the evolution of bright low-redshift QSOs.

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