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   PR # 41224
   ASCA has detected unusually low metal abundance in the hot gas in
   poor groups of galaxies, such as NGC2300 and HCG62. The proposed
   target, HCG97, is a bright group of galaxies for which very low
   abundance is suggested from ROSAT PSPC measurements. This observation
   aims to find the cause of the low metal abundance based on the
   precise information on the gass mass and gravitational mass of the
   system. The hot gas features around elliptical and spiral galaxies
   would also tell us how the intracluster space is enriched with the
   gas ejected from galaxies.
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