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   PR # 21140
      The proposed extended observation of MCG-6-30-15 offers the best   
    opportunity with ASCA to measure relativistic effects around an accre
    ting black hole. The iron line is the main target here and we need to
    measure its shape. This requires that the continuum is well defined  
    which is possible in this object since its warm absorber has little  
    effect above 2~keV. We should obtain almost 1000 iron line counts in 
    total with the SIS and so be able to clearly determine its strength, 
    width and shape.  We shall also obtain valuable measurements of the  
    variability of the source, and of its warm absorber and so better    
    define its properties.                                               
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