Abstract
The techniques used for the detection of high redshift quasars are reviewed and compared. There is a gradual decline in the space density of quasars with redshift for z > 2. The space density for quasars with z > 3.4 is estimated to be ~0.2 deg-2 for R < 19.5 and the slope of the luminosity function appears to be nearly flat. Surveys of large areas, at least 100 square degrees, are required to obtain the necessary statistics to define the form of the density and luminosity functions at early epochs.
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© 1988 Kluwer Academic Publishers
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Crampton, D. (1988). The Search for High Redshift Quasars. In: Kaiser, N., Lasenby, A.N. (eds) The Post-Recombination Universe. NATO ASI Series, vol 240. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3035-3_2
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DOI: https://doi.org/10.1007/978-94-009-3035-3_2
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