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Table A.12

Ionic and elemental abundances from optical data in the literature, used in the calculations of neon, sulphur, and argon ICFs in Tables A.13A.15.

He+ /H+ He2+ /H+ N+ /H+ N/H O+/H+ O2+/H+ O/H
PN ×10−3 ×10−3 ×10−6 ×10−6 ×10−5 ×10−5 ×10−5
J320 ... ... 0.23 ± 0.08 14.8 ± 4.4 0.42 ± 0.13 25.7 ± 7.7 27.5 ± 8.3
K3-66 88 ± 11 0.32 ± 0.10 12.6 ± 4.1 34.1 ± 8.1 59 ± 38 10.0 ± 2.2 16.0 ± 4.8
K3-67 93 ± 14 0.24 ± 0.04 3.6 ± 0.9 79 ± 23 5.9 ± 1.8 12.5 ± 3.2 13.1 ± 3.3
K3-70 98 ± 15 21.5 ± 3.2 52 ± 12 305 ± 81 20.4 ± 5.6 7.8 ± 2.0 12.0 ± 2.7
K3-90 4.9 ± 2.5 105 ± 17 ... ... 1.3 ± 0.7 2.7 ± 0.7 62 ± 33
K4-48 107 ± 14 17.3 ± 2.6 22.5 ± 5.4 206 ± 50 35 ± 11 24.3 ± 5.8 32.3 ± 7.1
M1-6 ... ... 42 ± 20 58 ± 26 241 ± 87 9.5 ± 2.9 34 ± 11
M1-7 110 ± 14 15.7 ± 2.4 61 ± 14 252 ± 70 115 ± 30 29.9 ± 6.8 47.3 ± 9.2
M1-9 104 ± 14 0.11 ± 0.04 8.8 ± 2.8 37 ± 13 47 ± 31 14.5 ± 3.3 19.2 ± 5.0
M1-14 96 ± 12 0.10 ± 0.05 14.0 ± 3.9 46 ± 13 89 ± 47 20.1 ± 4.4 29.0 ± 6.9
M1-16 105 ± 15 25.2 ± 3.8 81 ± 20 543 ± 145 50 ± 14 21.8 ± 5.3 33.2 ± 7.2
M2-2 104 ± 14 7.8 ± 1.2 0.36 ± 0.12 15.8 ± 6.6 4.5 ± 0.8 17.9 ± 4.3 19.8 ± 4.7
Y-C 2-5 39.7 ± 5.9 62.4 ± 9.2 0.15 ± 0.05 55 ± 34 0.79 ± 0.39 11.1 ± 2.9 28.6 ± 7.7

Notes. All values have been taken from Henry et al. (2010), except for those of J320 which are from Costa et al. (2004) with an assumed 30% uncertainty applied. Values in italics are not involved in any future calculations, and have only been included for completeness.

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