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Fig. 12


The Chandra ACIS 0.4–2 keV spectrum of ESO 286-IG19, fitted with a thermal emission spectrum (MEKAL) with a solar abundance pattern (left) and that of the core-collapse SNe (right), in which O viii (0.65 keV), Ne ix (1.0 keV), Mg xi (1.36 keV) and Si xiii (1.85 keV) are more pronounced. The χ2 values for the two fits are 53 and 37 for 41 and 40 degrees of freedom, respectively.

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