XMM-Newton observations of Type-1 active galactic nuclei
The X-ray spectra of active galaxies are, to a first approximation, power-law-like. Upon more detailed investigation, however, features become apparent: in particular, an emission line corresponding to iron, around 6.4 keV, and the so-called 'soft-excess' below ~ 2 keV, whereby an extrapol...
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University of Leicester
2003
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| Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.400875 |