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   PR # 41001
   It is very important to observe star forming region in the hard
   X-rays because the hard X-rays are transparent even in dark cloud.
   The Chamaeleon cloud II is suitable for X-ray studys of pre main
   sequence stars and proto stars because of their proximity and
   relative small size. Main purpose of mapping observations of the
   cloud is to make clear the mechanism of star formation and star
   evolution. Scientific objectives are summarized as follows. (1)
   Search for pre main sequence stars and proto stars embedded deeply in
   the cloud. (2) Determination of the spectral parameters. (3) When do
   X-ray activities start ?
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