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   PR # 41133
   We propose to observe the BL Lac object PKS 0548-322 which exhibit
   three absorption features in its soft X-ray spectrum observed in the
   ASCA PV observation phase. To determine its distance from the
   emission region and its density, follow up observation under
   different luminosity is needed. In comparison with the results
   obtained with Einstein observatory, it is suggested that depths of
   one of the absorption feature may have changed in different
   luminosity, but still we need to determine the continuum tightly with
   the broader band spectrometer onboard ASCA. It is interesting in the
   point of view of unified scheme of AGN including radio galaxies.
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