Limits on the number of faint quasars

Details Limits on the number of faint quasars Limits on the number of faint quasars

Aug 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...231..653b&link_type=abstract

Astrophysical Journal, Part 1, vol. 231, Aug. 1, 1979, p. 653-658. NSF-supported research.

Astronomy and Astrophysics

Astrophysics

34

Emission Spectra, Quasars, Stellar Luminosity, Stellar Magnitude, Density Distribution, Galactic Structure, Graphs (Charts), Red Shift, Statistical Distributions, Tables (Data)

Scientific paper

A survey for emission-line quasars is presented for an area of 2.1 sq deg that yields 23 new quasars. The survey area includes a field for which complete counts are given for all stellar objects to a blue-magnitude limit of 24.1. Unless very strong luminosity evolution occurs for quasars, virtually all stellar objects at high galactic latitudes with m fainter than 23 are quasars. Without luminosity evolution, the surface density of quasars must increase so rapidly with magnitude that the Space Telescope will see two quasars per sq arcsec.

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