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   PR # 21032
     This is the second in the series of proposals to sample over the    
    entire 162-d precession phases of SS 433 in four years.  The PV and  
    AO-1 observations by ASCA demonstrated its capability to resolve the 
    emission lines from the two  jets with relativistic velocities. They 
    also revealed the emission lines from various elements(Si,S,Ar, ...).
    With the observations at diffent pressssion  and binary phases, we   
    plan to map the spatial distribution of the temperature  and density 
    of the hot plasma in the jets.  This is the essential information  to
    understand the acceleration and energetics of the jet. The PV and    
    AO-1 phase  covered the phase 0.98 -- 0.26. In AO-2, we propose to   
    cover phases ~0.4--0.5.                                              
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