Table 10
Ionic abundance ratios from the N ii recombination lines.
Mult. | λ 0 | N++/H+ (×10-5) | |||||||||||
|
|||||||||||||
Cn 1-5 | Hb 4 | He 2-86 | M 1-25 | M 1-30 | M 1-32 | M 1-61 | M 3-15 | NGC 5189 | NGC 6369 | PC 14 | Pe 1-1 | ||
|
|||||||||||||
3a | 5666.64 | 61 | 30 | 60 | 65 | 107 | 73 | 21 | 31 | 21 | – | 15 | 20 |
5676.02 | 50 | 28 | 50 | 51 | 98 | 63 | 18 | – | 15 | – | – | – | |
5679.56 | 52 | 32 | 60 | 54 | 89 | 55 | 20 | 26 | 15 | 8.9 | 14 | 17 | |
5686.21 | 65 | 34 | 50 | 58 | 102 | 96 | – | – | – | – | – | – | |
5710.76 | 52 | 31 | 58 | 66 | 102 | 83 | 17 | – | – | – | – | – | |
Sum | 55 ± 5 | 31 ± 4 | 58 ± 4 | 58 ± 4 | 97 ± 6 | 66 ± 9 | 20 ± 2 | 29 ± 4 | 17 ± 3 | 8.9 ± 3.2 | 15 ± 3 | 18 ± 2 | |
39b | 4041.31 | 19: | 11: | 21 ± 4 | 14: | 20 ± 4 | – | 6.5: | – | 7.1: | – | 8.3: | – |
48c | 4239.40c | 41/30: | 20/14: | 40/29 ± 6 | 32/23 : | 49/35 ± 9 | – | – | – | 22/16: | – | 10/7.4: | – |
|
|||||||||||||
Adopted | 27: | 14: | 28 ± 4 | 21: | 31 ± 4 | ≤66 | 6.5: | ≤29 | 14: | ≤8.9 | 8.5: | ≤18 |
Notes.
Recombination coefficients reported by Kisielius & Storey (2002).
Recombination coefficients reported by Pequignot et al. (1991).
We considered the sum of all lines of the multiplet. Recombination coefficients reported by Pequignot et al. (1991)/Escalante & Victor (1992).
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