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Table 2.

Upper and lower threshold values in pre-SN stellar structure variables that predetermine CCSN outcomes, as predicted by M16.

Variable X Lower threshold Xmin Upper threshold Xmax
ξ2.5 0.314 0.544
sc/[NA ⋅ kB] 0.988 1.169
MCO/M 5.6 16.2
μ4M4 0.247 0.421

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