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Table B.2

Comparison of ejecta compositions for SNe Iax deflagration models.

Abundances

TARDIS N3def 2D70

C-O: 0.302 0.305(0.369) 0.565
IMEs: 0.043 0.132(0.087) 0.130
IGEs: 0.655 0.543(0.526) 0.304

Helium 4.00(4.05) × 10-4
Carbon 1.29 × 10-1 1.22(1.61) × 10-1
Nitrogen 6.26(5.10) × 10-6
Oxygen 1.72 × 10-1 1.83(2.08) × 10-1
Fluorine 9.77(7.03) × 10-9
Neon 1.82(1.66) × 10-2
Sodium 8.62 × 10-3 2.08(1.55) × 10-4
Magnesium 8.62 × 10-3 1.59(1.09) × 10-2
Aluminium 1.05(0.70) × 10-3
Silicon 8.62 × 10-3 8.01(5.25) × 10-2
Phosphorus 3.98(2.72) × 10-4
Sulfur 8.62 × 10-3 2.69(1.78) × 10-2
Chlorine 7.67(5.21) × 10-5
Argon 4.28(2.88) × 10-3
Potassium 2.67(1.67) × 10-5
Calcium 8.62 × 10-3 3.15(2.19) × 10-3
Scandium 1.08(0.89) × 10-8
Titanium 5.72(4.25) × 10-5
Vanadium 3.15(2.41) × 10-5
Chromium 8.62 × 10-3 3.28(2.97) × 10-3
Manganese 2.03(2.28) × 10-4
Iron 2.59 × 10-1 8.16(9.05) × 10-2
Cobalt 3.02 × 10-1 3.82(3.53) × 10-1
Nickel 8.62 × 10-2 7.62(7.91) × 10-2
Copper 9.62(8.44) × 10-5
Zinc 6.14(5.85) × 10-4

Notes. N3def values are taken from the N3def model published by Fink et al. (2014). 2D70 values are taken from Jordan et al. (2012). Values given here represent mass fractions of each model. Values given in parentheses are mass fractions of the N3def model in the region with velocities between 5500 km s-1 and 7500 km s-1, the range of velocities covered in our TARDIS calculations. Here, we define IMEs as elements with atomic number between Z = 11 and Z = 20 (sodium to calcium), while IGEs refers to elements with Z = 21 to 28 (scandium to nickel). Elements not included in the TARDIS model were found to have negligible impact on the spectrum, and are therefore unconstrained by our modelling.

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