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Table 2.

Lines in the wavelength range 0.35–28 μm in our complete model set (see Table 1) at 270 days post explosion whose absolute Sobolev EW exceeds 5% of the largest absolute EW in the wavelength range 0.35–1 μm.

λair Ion Models λair Ion Models λair Ion Models
(μm) (μm) (μm)
0.438 Fe I] mer 1.019 ( † ) [Co ii] (l) ddt, mer 7.347 ( † ) [Ni iii] (t) All
0.455 Fe ii (a) mer 1.025 [Co ii] (l) mer 7.788 [Fe III] All
0.458 Fe ii (a) mer 1.029 [S ii] (m) mer 8.403 ( † ) [Ni iv] (u) All
0.461 ( † ) [Fe iii] (b) ddet 1.032 [S ii] (m) ddt, gcd, mer 8.989 ( † ) [Ar iii] (v) All
0.466 ( † ) [Fe iii] (b) All 1.257 ( † ) [Fe ii] (n) ddt, gcd, mer 10.508 ( † ) [S IV] All
0.470 [Fe iii] (b) All 1.279 [Fe ii] (n) mer 10.520 ( † ) [Co ii] (l) All
0.473 [Fe iii] (b) ddt, gcd, ddet 1.294 [Fe ii] (n) mer 10.679 [Ni ii] (w) ddt, mer
0.475 [Fe iii] (b) gcd, ddet, mer 1.321 [Fe ii] (n) mer 10.999 [Ni iii] (t) All
0.477 [Fe iii] (b) gcd, ddet 1.328 [Fe ii] (n) mer 11.164 [Co ii] (l) ddt, mer
0.478 [Fe iii] (b) ddet 1.372 [Fe ii] (n) mer 11.723 [Ni iv] (u) All
0.492 Fe ii (c) mer 1.533 [Fe ii] (o) ddt, mer 11.885 ( † ) [Co iii] (x) All
0.493 [Fe iii] (d) ddet 1.547 [Co II] ddt, mer 12.725 [Ni ii] (w) ddt, mer
0.501 [Fe iii] (d) All 1.599 [Fe ii] (o) ddt, mer 12.811 ( † ) [Ne II] All
0.502 Fe ii (c) mer 1.644 [Fe ii] (o) ddt, gcd, mer 14.735 [Co ii] (y) ddt, gcd, mer
0.508 [Fe iii] (d) ddet 1.664 [Fe ii] (o) mer 15.455 [Co ii] (l) ddt, gcd, mer
0.517 Fe ii (c) gcd, mer 1.677 [Fe ii] (o) ddt, mer 15.550 ( † ) [Ne III] All
0.527 Fe I mer 1.797 [Fe ii] (o) mer 15.643 ( † ) [Co iv] (z) All
0.527 [Fe iii] (d) All 1.800 [Fe ii] (o) mer 16.295 [Co ii] (l) mer
0.589 ( † ) [Co III] gcd, ddet, mer 1.809 [Fe ii] (o) ddt, mer 16.386 [Co iii] (x) All
0.589 ( † ) Na i (e) mer 1.939 [Ni II] ddt 17.278 [Ni iv] (u) All
0.590 ( † ) Na i (e) mer 2.015 [Fe II] mer 17.931 [Fe ii] (aa) All
0.658 ( † ) [Co III] gcd, ddet 2.046 [Fe II] mer 18.236 [Ni ii] (w) ddt
0.714 ( † ) [Ar III] All 2.145 [Fe iii] (p) All 18.708 [S III] All
0.716 [Fe II] mer 2.218 [Fe iii] (p) All 18.799 [Co ii] (y) ddt, gcd, mer
0.729 ( † ) [Ca ii] (f) ddt, gcd, mer 2.242 [Fe iii] (p) ddt, gcd, ddet 20.845 [Fe v] (ab) ddt, gcd, ddet
0.732 ( † ) [Ca ii] (f) gcd, mer 2.348 [Fe iii] (p) All 21.826 [Ar iii] (v) All
0.789 [Ni iii] (g) All 2.874 [Fe iii] (q) All 22.794 [Co iv] (z) All
0.850 Ca ii (h) gcd, mer 2.904 [Fe iii] (q) ddt, gcd, ddet 22.896 [Fe II] ddt, gcd, mer
0.850 [Ni iii] (g) ddt, ddet, mer 3.043 [Fe iii] (q) ddt, gcd, ddet 22.919 ( † ) [Fe III] All
0.854 Ca ii (h) ddt, gcd, mer 3.206 ( † ) [Ca IV] All 24.061 [Co iii] (x) All
0.862 [Fe ii] (i) mer 3.229 [Fe iii] (q) All 24.512 [Fe ii] (aa) All
0.866 Ca ii (h) ddt, gcd, mer 3.393 [Ni iii] (r) All 25.682 [Co ii] (y) ddt, gcd, mer
0.889 [Fe ii] (i) mer 3.801 [Ni iii] (r) All 25.927 [Fe v] (ab) All
0.907 [S iii] (j) All 4.888 [Fe ii] (s) mer 25.981 ( † ) [Fe II] All
0.934 [Co ii] (k) mer 5.339 ( † ) [Fe ii] (s) ddt, mer 26.124 [Fe III] ddet
0.953 [S iii] (j) All 6.634 ( † ) [Ni II] ddt, gcd, mer
0.994 [Co ii] (k) mer 6.983 ( † ) [Ar II] All

Notes. All wavelengths are given in air. Forbidden and semiforbidden transitions are noted using the appropriate brackets around the ion name. Wavelengths marked with a ‘( † )’ symbol denote transitions connected to the ground state. Ions with the same superscript correspond to transitions within the same multiplet. The ‘models’ column indicates whether a given line appears in at least one model of a given class (ddt = delayed detonation, gcd = pulsationally-assisted gravitationally-confined detonation, ddet = double detonation, mer = violent WD-WD merger). ‘All’ means the line appears in all four model classes.

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