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   52091
   We propose deep reobservations of two supernova remnants in the LMC,
   N103B and 0519-69.0. Both of these are the products of Type Ia
   explosions. The primary goal of the observations is to search for
   evidence of a hard tail, indicative of shock acceleration of cosmic
   rays to very high energy, as observed in the ASCA spectrum of the
   Galactic Type Ia remnant SN1006. A secondary goal is a careful
   characterization of the thermal emission, and a a quantitative
   comparison of the inferred metal abundances with those expected from
   models of explosive nucleosythesis in Type Ia supernovae.
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