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   PR # 11172
    Two-dimensional mapping with X-ray emission lines in the poor cluster
    of galaxies AWM7 is proposed. The purpose of observations is to under
    stand how, when, and how much heavy elements have been ejected from
    individual galaxies into the intergalactic space.The second brightest
    poor cluster AWM7 (after Centaurus Cluster) is best suited for such a
    study, because low temperature (kT = 3.8 keV) allows production of
    intense(EW > 700 eV)iron emission line and lines from other elements.
    The size of this cluster is 40 arcmin in diameter: ideal for ASCA to
    carry out thecomplete mapping within 2-day observations.



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