Fig. 1
Color map of the initial density of the SN progenitor with M⋆ = 45 M⊙, R⋆ = 80 R⊙ (with mean density 
) and CSM with assumed Ṁsw = 10−1 M⊙ yr−1 and Ṁcsd = 10−4 M⊙ yr−1 (corresponding to Model A in Sect. 5). The base density of the spherically symmetric part of CSM ρ0,sw ≈ 7 × 10−6 kg m−3, while the equatorial disk base density ρ0,csd ≈ 4 × 10−4 kg m−3 (see also Table 1 in Sect. 5).
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