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   71165
   It has become clear that the merging process between clusters of
   galaxies plays a crucial role in the evolution of them. In order to
   investigate the evolution of clusters, it is important to observe
   clusters in various stages of merging. We propose to observe two
   irregular clusters, Abell 2214 (z=0.161) and Abell 1569 (z=0.0784) with
   ASCA. These clusters show a strong correlation between the orientaion
   of the radio galaxy tails and the direction of X-ray elongations within
   the core of the clusters. Since ASCA has good energy and moderate
   spatical resolution in wide band, we will measure spatial distributions
   of temparature and metalicity in the clusters.
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