Table 7: Abundances in NGC 6886.
Element Present Present Hyung Hyung KH Solar
  ICF model ICF model ICF  
He 0.107 0.108 0.092 0.093 0.121 0.086
C(-4) 14.3 19.3 4.1 4.3   2.5
N(-4) 4.2 4.55 1.3 1.3 2.82 0.83
O(-4) 6.5 7.8 3.1 3.05 5.24 4.9
Ne(-4) 2.0 1.7 1.0 1.62 1.22 1.2
Mg(-5) 2.0 3.4 0.29 0.23   3.8
Si(-5)   2.1 2.26 1.15   3.5
S(-5) 1.0 1.0 0.47 0.53 0.57 2.1
Cl(-7) 2.2 2.2 1.82 1.7 2.2 3.2
Ar(-6) 2.1 2.2 1.82 1.7 4.1 2.5
K(-7)   1.2 0.76 0.75   1.3
Ca(-8)   1.2 20.1 20.0   230.
Fe(-7)   5.0       316.
The abundances listed "Hyung'' are from Hyung et al. (1995), those listed "KH'' from Kwitter & Henry (2001).
Solar abundances are from Grevesse & Sauval (1998) except for oxygen and carbon which are from Allende Prieto et al. (2001,2002).

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