Open Access

Table A.3

Model atoms used in CMFGEN calculations for the toy01 model.

Ion NSL Nfull Last level Nlines
Si II 32 62 3s2 7g 2G 1 032
Si III 33 61 3s 5g3G 615
Si IV 37 48 10f 2Fo 816
Si V 1 1
S II 56 324 3s 3p3(5So)4p 6P 16965
S III 48 98 3s 3p2(2D)3d 3P 1 723
S IV 27 67 3s 3p(3Po)4p 2D 1 091
SV 1 1
Ca II 44 77 3p6 30w 2W 3 365
Ca III 16 40 3s2 3p5 5s 1Po 210
Ca IV 18 69 3s 3p5(3Po)3d 4Do 646
Ca V 1 1
Fe I 44 136 3d6(5D)4s 4p x5Fo 3 934
Fe II 228 2698 3d5(4F)4s4pb4Go 1 060 528
Fe III 83 698 3d5(2H)4d 1K 73 419
Fe IV 100 1 000 3d4(3G)4f 4Po 144005
Fe V 47 191 3d3(4F)4d 5F 7 892
Fe VI 1 1
Co II 44 162 3d6(5D)4s 4p 7Fo 6 475
Co III 33 220 3d6(3F)4p 4Do 9836
Co IV 27 164 3d5(4D)4p 3Fo 5 759
Co V 32 387 3d4(3F)4d 2H 27 046
Co VI 1 1
Ni II 27 177 3d7(4P)4s 4p(3P) 4So 5 757
Ni III 20 107 3d7(2H)4p 3Io 2 228
Ni IV 20 130 3d6(3F2)4p 4Do 3 375
Ni V 46 183 3d5(2D3)4p 3Fo 6033
Ni VI 1 1
Total 1068 7105 1 382750

Notes: Due to a gf cut (level dependent, gf > 10−4) only 377 383 lines were included in the non-LTE calculations of the level populations. 692 911 lines were include when computing the observed spectrum. Prior to 2.4 days post explosion a higher cut was used (gf > 10−3) in order to ease convergence. From 25.93 days onward we omitted the highest ionisation stages Fe V, Co V, and Ni V since their populations are too low to affect the radiative transfer.

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