A deep ROSAT survey. I - The QSO X-ray luminosity function

Details A deep ROSAT survey. I - The QSO X-ray luminosity function A deep ROSAT survey. I - The QSO X-ray luminosity function

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993mnras.260...49b&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 260, no. 1, p. 49-58.

Astronomy and Astrophysics

Astronomy

160

Luminosity, Quasars, Rosat Mission, X Ray Sources, Galactic Evolution, Red Shift, Spaceborne Astronomy

Scientific paper

A statistical analysis of the QSO X-ray luminosity function (XLF), which uses a sample of 42 faint ROSAT QSOs, is carried out in order to derive new estimates of the QSO XLF and its evolution with redshift. From a detailed analysis of this sample combined with the EMSS survey, it is found that a power-law evolution model can provide an adequate fit to the combined data set. However, for qO = 0.0, steeper slopes and a faster rate of evolution are derived for the XLF than those found from the analysis of the EMSS set alone. Possible reasons for the discrepancy are examined.

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