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   62038
   We will exploit the large energy range and accurate light curve
   capability of ASCA to understand the spectra and stream-flows in S193
   and T Leo. ASCA data on U Gem has shown orbital-phased absorption from
   cool gas out of the plane seen in projection against the hot white
   dwarf. Optical spectra of T Leo reveal emitting material on the far
   side of the disk from the impact point, while spectra of S193 show an
   extreme velocity component . Time-resolved ASCA observations will
   delineate the size and density of the stream flow responsible for these
   characteristics, as well as the temperature structure of the accretion
   area close to the white dwarf.
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