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Table 4

Number of SNe Ia within a Hubble time per 105 M⊙ of stars formed, corresponding to the different regions discussed in Sect. 3 and the different channels, calculated with our standard model (Sect. 2) and the models from our parameter study (Table 1).

DD SDH SDHe SNe Ia
Model A B1 B2 C D E F total AH BH CH total AHe BHe CHe total total
Standard (N = 150) 0.29 18.4 17.5 0.82 2.70 1.94 1.01 42.6 0.01 0.86 0.002 0.87 0.71 0.72 0.07 1.51 45.0
Standard (N = 100) 0.29 18.4 17.5 0.82 2.53 2.08 1.03 42.7 0.01 0.86 0.001 0.87 0.72 0.72 0.03 1.47 45.0
A1 αce = 0.2 0.29 2.6 0.0 0.00 0.01 1.57 0.04 4.5 0.01 8.96 0.011 8.97 2.98 0.40 0.00 3.38 16.8
A2 αce = 0.5 0.29 13.5 3.8 0.12 1.96 1.83 0.11 21.6 0.01 1.25 0.070 1.33 1.06 1.12 0.04 2.22 25.1
A3 αce = 3 0.29 6.4 7.6 0.91 2.33 1.59 4.94 24.1 0.01 0.00 0.001 0.01 1.47 0.38 0.42 2.28 26.4
A4 αce = 10 0.29 4.0 0.1 0.22 0.11 0.08 2.73 7.6 0.01 0.00 0.073 0.08 0.00 0.26 0.93 1.19 8.9
B1 λCE = 1 0.29 21.7 15.8 0.65 2.80 2.57 0.57 44.4 0.01 1.08 0.004 1.09 0.04 0.79 0.14 0.96 46.4
B2 λion = 0.5 0.29 17.1 17.6 0.82 2.34 1.33 5.54 45.0 0.01 0.77 0.004 0.78 0.68 0.67 0.08 1.42 47.3
C Qcrit,He−HG = Qcrit,He−GB 0.29 13.9 0.0 0.82 1.89 2.06 1.07 20.0 0.01 0.86 0.001 0.87 0.72 0.62 0.03 1.38 22.3
D Qcrit,HG = 0.5 0.00 13.8 12.6 0.82 2.53 2.08 1.03 32.9 0.00 0.74 0.001 0.74 0.70 0.38 0.03 1.12 34.7
E1 σ = 1 0.17 19.7 11.1 0.75 2.42 2.08 1.07 37.3 0.00 0.64 0.001 0.64 0.61 0.97 0.03 1.62 39.6
E2 σ = 1000 0.00 22.6 19.7 0.82 2.48 2.08 1.04 48.7 0.00 0.86 0.001 0.87 1.42 0.10 0.03 1.55 51.1
F1 ηH = 1, ηHe = 1 0.00 16.5 17.4 0.00 0.56 0.80 0.76 36.0 3.91 48.6 80.8 133.3 1.51 14.18 0.66 16.35 185.6
F2 ηH = 1, ηHe = 1, σ → ∞ 0.00 18.5 18.1 0.00 0.41 0.80 0.75 38.6 0.03 53.5 77.7 131.3 2.62 23.93 0.84 27.39 197.3
G γ (Jorb, wind) = 2 0.28 18.8 17.0 0.84 2.77 2.41 7.01 49.2 0.01 0.87 0.103 0.98 0.77 0.79 0.12 1.68 51.9
H1 γ (Jorb, RLOF) = Ma/Md 0.00 21.9 19.5 0.82 2.53 2.08 1.04 47.9 0.00 0.94 0.001 0.94 0.84 1.01 0.03 1.88 50.7
H2 γ (Jorb,RLOF) = 2 0.84 15.1 17.0 0.82 2.48 2.08 1.04 39.4 0.11 0.87 0.001 0.98 0.71 0.36 0.03 1.11 41.5
I η (Reimers 1975) = 5 0.29 16.3 17.6 0.82 2.54 0.61 7.60 45.7 0.01 0.86 0.000 0.87 0.65 0.10 0.10 0.85 47.5
J1 TP-AGB (Karakas et al. 2002) 0.29 18.5 17.5 0.82 2.54 1.74 1.12 42.5 0.01 0.88 0.001 0.89 0.72 0.72 0.03 1.46 44.9
J2 TP-AGB (Reimers 1975,η = 1) 0.29 18.5 17.5 0.82 2.54 2.39 2.82 44.9 0.01 0.88 0.004 0.89 0.72 0.72 0.03 1.47 47.2
J3 TP-AGB (Bloecker 1995) 0.29 18.5 17.5 0.82 2.54 0.72 0.80 41.2 0.01 0.88 0.001 0.89 0.72 0.72 0.02 1.45 43.5
J4 TP-AGB (van Loon et al. 2005) 0.29 18.5 17.5 0.82 2.54 1.59 2.18 43.4 0.01 0.88 0.001 0.89 0.72 0.72 0.03 1.46 45.8
K CE accretion = 0.05 M⊙ 0.29 17.8 20.0 0.85 2.60 2.12 1.28 45.0 0.01 0.88 0.001 0.89 0.74 0.72 0.03 1.49 47.4
L Bondi-Hoyle efficiency αBH = 5 0.29 18.5 17.6 0.82 2.48 2.07 2.80 44.5 0.01 0.87 0.002 0.88 0.74 0.77 0.04 1.55 46.9
M B (CRAP) = 1e3 0.29 16.2 16.7 0.81 2.82 1.12 1.61 39.5 0.01 0.86 0.000 0.87 0.60 0.04 0.04 0.67 41.0
N1 φ(qi) ∝ 0.14 6.4 4.2 0.31 0.63 0.44 0.28 12.4 0.01 0.39 0.001 0.39 0.21 0.26 0.01 0.47 13.3
N2 φ(qi) ∝ 0.26 14.0 10.9 0.66 1.62 1.23 0.69 29.3 0.01 0.76 0.001 0.77 0.50 0.57 0.02 1.10 31.2
N3 φ(qi) ∝ 0.28 15.2 12.3 0.71 1.82 1.41 0.77 32.5 0.01 0.80 0.001 0.81 0.56 0.62 0.02 1.20 34.5
N4 φ(qi) ∝ 0.26 19.9 23.1 0.82 3.22 2.85 1.27 51.4 0.01 0.80 0.001 0.81 0.83 0.73 0.04 1.61 53.8
N5 φ(qi) ∝ 0.21 19.7 27.6 0.75 3.74 3.54 1.41 56.9 0.00 0.68 0.001 0.68 0.88 0.67 0.05 1.60 59.2
O1 ψ(M1,i) (Scalo 1998) 0.37 23.8 22.7 1.06 3.27 2.68 1.34 55.2 0.01 1.11 0.002 1.13 0.93 0.93 0.04 1.90 58.2
O2 ψ(M1,i) (Kroupa 2001) 0.46 26.5 22.2 1.32 3.52 2.86 1.44 58.3 0.01 1.39 0.002 1.41 1.16 1.21 0.05 2.41 62.2
O3 ψ(M1,i) (Chabrier 2003) 0.48 27.9 23.4 1.39 3.71 3.01 1.52 61.4 0.02 1.47 0.002 1.48 1.22 1.27 0.05 2.54 65.4
O4 ψ(M1,i) (Bell et al. 2003) 0.45 26.7 22.8 1.31 3.56 2.90 1.46 59.1 0.01 1.38 0.002 1.40 1.15 1.19 0.05 2.39 62.9
P Qcrit,He−HG = Qcrit,He−GB, αce = 0.2 0.29 1.8 0.0 0.00 0.01 1.57 0.04 3.7 0.01 8.96 0.011 8.97 2.97 0.12 0.00 3.09 15.8
Q γ (Jorb, wind) = 2, αBH = 5 0.28 18.8 17.2 0.84 2.72 2.14 5.95 47.9 0.01 0.87 0.098 0.98 0.78 0.86 0.11 1.75 50.7
R ψ(M1) (Chabrier 2003), φ(q) ∝q1 0.34 29.4 36.9 1.27 5.46 5.12 2.06 80.5 0.01 1.14 0.002 1.15 1.48 1.19 0.09 2.76 84.4

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