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   PR # 21525
    We propose ASCA observations of 3 unusual Seyfert galaxies identified
    from the ROSAT EUV Sky Survey. All 3 objects have remarkably strong  
    soft X-ray spectra, with a ratio of 0.1-1 to 1-2 keV fluxes an order 
    of magnitude greater than for Seyferts in general. The intriguing    
    similarity of this- and other- properties to the galactic black hole 
    binary sources suggests these 3 Seyferts represent a (clearly quite  
    rare) class of AGN operating at a high, perhaps Eddington-limited    
    accretion rate. The wider astrophysical potential of establishing the
    existence (and signature) of bi-modal accretion in AGN is clear. The 
    need now is to observe the spectra form of these sources above 2 keV,
    where the effects of cooling by the strong flux of soft photons      
   should be evident.            
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