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   PR #   118
   The Iron K-emission lines are general feature of the low
   luminosityAGNs, e.g. Seyfert I galaxies, with the luminosity up to
   10E43 ergssE-1, and leads the research of the physical processes of
   thecircumnuclear matter. The red-shifted Iron K-Line emisson from
   thehigh luminosity AGNs, quasars, with the luminosity more than
   10E45ergs sE-1 was first discovered in the spectra of a radio loud
   quasar,3C273, and a radio quiet quasar, E1821+643, with the Ginga.
   Nosignificant evidence of the iron K-emission from E1821+643,
   however,was obtained by the BBXRT experiment. The most important
   subject ofthis observation is the detection of the iron K-line
   emission, whichwill open the research of the physical processes of the
   circum-nuclearmatter around the enormous power house.
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