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   52147
   The use of the iron K line as a diagnostic of the physical state and
   structure of the active nuclei (AGN) in Seyfert galaxies is maturing
   rapidly, yet there have been extremely few reports of iron K line
   detections in AGN/ quasars with 2-10 keV luminosity > 1.0e44 ergs/s. We
   propose to follow up a GINGA observation of tentative iron K emission
   in the quasar PG0804+761 (z=0.1). ASCA will measure the line energy and
   equivalent width and determine whether the line is broadened by Doppler
   and/or gravitational effects. Comparison with closer, lower luminosity
   AGN is expected to significntly contribuite to our understanding of the
   nature and structure of matter in the innermost regions of AGN.
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