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    PR # 31089                                                                   
      The Galactic Center plasma discovered with Ginga is spatially extend       
     ed to be about 200 pc, near the region to the radio 200-pc ring.  Wit       
     h higher spatially resolution of ASCA we propose to observed the boun       
     dary of the Galactic Center plasma.  The other objective is to search       
      whether this region shows 6.4 keV line as observed at the Sgr B2 clo       
     ud.                                                                         
                                                                                 
                                                                                 
                                                                                 
                                                                                 
                                                                                 
                                                                                 
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