Browsing by Author "Newsam, A."

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    • Simultaneous X-ray and IR variability in the quasar 3C 273 

      Hardy, I.M.; Lawson, A.; Newsam, A.; Marscher, A.P.; Robson, I.; Stevens, J. A. (1999)
      From a combination of high quality X-ray observations from the NASA Rossi X-ray Timing Explorer (RXTE), and infrared observations from the UK Infrared Telescope (UKIRT) we show that the medium energy X-ray (3-20 keV) and ...