Fig. 5.

Compactness ξ2.5 (panel a) and dimensionless central specific entropy sc (panel b) at core collapse as a function of CO core mass MCO. As in Fig. 2, initial masses Mini corresponding to the CO core masses of single stars are shown at the top (cf. Fig. 3), and the light-grey and darker-grey shadings are for radiative core carbon and core neon burning, respectively.
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