Fig. 4

As Fig. 2 for systems that form SNe Ia through the SDH channel. Symbols AH, BH, and CH indicate groups which are distinguished based on the evolutionary stage when the primary fills its Roche lobe and the number of CE phases necessary to evolve to a SN Ia: AH = HG, no CE; BH = end of HG/GB, 1 CE; CH = TP-AGB, 1 CE.
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