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   53031
   We propose ASCA observations of 4 soft X-ray luminous (Lx > 10^42.5
   ergs/s), bona-fide, Seyfert 2 galaxies detected in the ROSAT all-sky
   survey. The high soft X-ray luminosities of these objects suggest that
   either we are observing through abnormally low columns, atypical of
   Seyfert 2 galaxies, or alternatively these are the most X-ray luminous
   Seyfert 2 objects known. In any case, these hard X-ray observations are
   expected to provide important constraints on AGN unification and X-ray
   emission models. It is possible that we are dealing with a new class of
   type II AGN, which could be very important for recent models of the
   cosmic X-ray background.
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