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   71001
   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. Moreover,
   X-ray observation is the only tool to observe activities on the stellar
   surface of protostars. We have detected X-rays from some protostar
   candidates located in the Rho-Oph and R CrA clouds. One hard source
   shows a sinusoidal variation which suggests rapid rotation of the
   protostar. However, the sample is limited in order to investigate the
   mechanism of X-ray emission of protostars, for example, the relation
   between the X-ray activities and the rotation. Thus, we propose
   observation of class 0 objects IRAS 03282+3035 and IRAS 03301+3057
   located in the Perseus molecular complex.
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