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Published online by Cambridge University Press: 19 July 2016
The quasar population as a whole covers a wide range of continuum properties; sufficient to cause a marked difference in the physical conditions of the gas in the nuclear region of a quasar. In this paper we will discuss our results on 3C351, an X-ray “quiet” quasar; and 3C212, a “red” quasar. We identify the “warm absorber” observed in the ROSAT observations of 3C351 to be the UV absorber observed by HST.