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   PR #   115
   EF Eri is the second brightest AM Her-type object which shows priodic
   intensitymodulation synchronized with the orbital and rotational
   period of the white dwarf (=1.35h). Einstein observation of EF Eri
   indicates that there is an excessive X ray emission below 2 keV which
   may be different from so-called softcomponent. GINGA observation has
   revealed that the spectrum of EF Eri is explained the thermal
   bremsstrahlung of kT = 16keV with iron K alpha emission line. It is
   expected fot these features to be made clear with the ASUKA
   observation.
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