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Table 2.

Summary of SNe Ia models with different central enhancements of 56Fe (sub-Chandrasekhar-mass WDs) or 56Cr (Chandrasekhar-mass WDs).

MWD ρc Xc(A = 56) (a) K M(56Ni) M(55Mn) M(58Ni)
(M) (g cm−3) (1051 ergs) (M) (10−2 M) (10−2 M)
Bare C-O WD detonations
1.06 4.8 × 107 10−3 1.319 0.655 0.410 1.35
1.06 5.0 × 107 0.35 1.324 0.656 0.402 1.39
1.06 5.1 × 107 0.50 1.324 0.656 0.399 1.34
1.06 5.2 × 107 0.70 (b) 1.323 0.656 0.395 1.27

Chandrasekhar-mass WD delayed detonations
1.37 3.5 × 109 10−3 1.410 0.669 1.05 3.08
1.37 3.5 × 109 0.35 1.418 0.671 1.07 2.87
1.37 3.5 × 109 0.70 1.421 0.675 1.01 2.97
1.38 5.0 × 109 10−3 1.389 0.640 1.16 2.90
1.38 5.0 × 109 0.35 1.401 0.651 1.12 2.85
1.38 5.0 × 109 0.70 1.405 0.655 1.14 2.79

Notes. All models assumed a progenitor metallicity Z = 0.014.

(a)

Mass fraction of the stable isotope with A = 56 in the WD center: 56Fe in sub-Chandrasekhar-mass WDs; 56Cr in Chandrasekhar-mass WDs.

(b)

Ignition outside the central ball containing all 56Fe.

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