A revised and updated catalog of quasi-stellar objects

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Astronomical Catalogs, Bl Lacertae Objects, Quasars, Red Shift, Hubble Diagram, Star Distribution, Stellar Color, Stellar Magnitude

Scientific paper

The paper contains a catalog of all known quasi-stellar objects (QSOs) with measured emission redshifts, and BL Lac objects, complete to 1992 December 31. The catalog contains 7315 objects, nearly all QSOs including about 90 BL Lac objects. The catalog and references contain extensive information on names, positions, magnitudes, colors, emission-line redshifts, absorption, variability, polarization, and X-ray, radio, and infrared data. A key in the form of subsidiary tables enables the reader to relate the name of a given object to its coordinate name, which is used throughout the compilation. Plots of the Hubble diagram, the apparent magnitude distribution, the emission redshift distribution, and the distribution of the QSOs on the sky are also given.

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