Fig. 6.

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Summary of key parameters obtained from the core-collapse models of helium stars through the explosion model of Müller et al. (2016), as a function of the initial mass (left) and the final mass (right). We include the NS gravitational mass obtained for core-collapse models that successfully explode, the BH mass for models that directly collapse (which corresponds to their final mass), the explosion energy, and the nickel mass. The dashed black lines indicate the division between Type Ib and Type Ic progenitors, and the hashed region corresponds to areas that our model grid does not cover. The horizontal dashed line corresponds to the minimum mass above which models reach core collapse as a WC- or WO-type star, and models to the right of this line are therefore expected to be Type Ic SN progenitors.
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