Browsing University of Hertfordshire by Author "Ehle, M."

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    • The nature of X-ray absorbed QSOs 

      Page, M.; Carrera, F.; Stevens, J. (2011-08-01)
      A significant population of broad-line z=2 QSOs have heavily absorbed X-ray spectra. Submm observations show that these QSOs are embedded in ultraluminous starburst galaxies, unlike most unabsorbed QSOs at the same redshifts ...