XMM-Newton/2dF survey. IV. (Georgantopoulos+, 2004)

Computer Science

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Radio Sources, Qsos, Active Gal. Nuclei

Scientific paper

We present an analysis of the X-ray spectral properties of 61 hard X-ray (2-8keV) selected sources from the bright XMM-Newton/2dF (f(2-8keV)>10-14erg/cm2/s) survey. This comprises nine XMMNewton pointings in the North Galactic Pole region (~1.6deg2) and overlaps with the SDSS, 2QZ and 2dFGRS surveys. Our sources contribute about 50 per cent of the 2-10keV X-ray background down to the flux limit of 10-14erg/cm2/s. The hardness ratio distribution of the sample suggests a deficit of heavily absorbed sources. Spectroscopic identifications exist for 34 sources.
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