A complete X-ray sample of the high-latitude /absolute value of B greater than 20 deg/ sky from HEAO 1 A-2 - Log N-log S and luminosity functions

Details A complete X-ray sample of the high-latitude /absolute value of B greater than 20 deg/ sky from HEAO 1 A-2 - Log N-log S and luminosity functions A complete X-ray sample of the high-latitude /absolute value of B greater than 20 deg/ sky from HEAO 1 A-2 - Log N-log S and luminosity functions

Feb 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...253..485p&link_type=abstract

Astrophysical Journal, Part 1, vol. 253, Feb. 15, 1982, p. 485-503.

Astronomy and Astrophysics

Astronomy

562

Functions (Mathematics), Galactic Clusters, Galactic Nuclei, Heao 1, Luminosity, X Ray Sources, Active Galactic Nuclei, Data Processing, Galactic Structure, Maximum Likelihood Estimates, Radiant Flux Density, Sky Surveys (Astronomy), Spatial Distribution, X Ray Spectra

Scientific paper

An all-sky survey of X-ray sources was performed, complete to a limiting sensitivity of 3.1 x 10 to the -11 ergs/sq cm/s in the 2-10 keV band. The complete sample has allowed construction of luminosity functions based on a flux-limited sample for clusters of galaxies and active galactic nuclei. Integration of the best-fit luminosity functions indicates that clusters of galaxies contribute about 4% of the 2-10 keV DXRB, and active galactic nuclei about 20%. It is predicted that many of the objects seen in the deep survey should be local, relatively low luminosity active galactic nuclei and clusters of galaxies.

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