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   63023
   We propose to search for 'ultra-soft' Active Galactic Nuclei (AGN) by
   obtaining ASCA spectra of five EUV-selected Seyfert 1 galaxies. We will
   measure their 0.4 - 10 keV spectral slopes and establish whether their
   strong EUV and soft X-ray flux is large with respect their higher
   energy emission, i.e. whether they are truly ultra-soft. The results of
   our study will test the nature of the X-ray emission in these objects
   and challenge the models which try and explain what was originally
   considered the 'canonical' spectrum of active galaxies.
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