Table 14: Comparison of abundances in NGC 6153.
Elem. Present Liu(1) PDM(2) Solar(3)
He 0.14 0.14 0.14 0.098
C(-4) 6.8 2.8 8.0 3.3
N(-4) 4.8 2.3 20 0.84
O(-4) 8.3 5.0 10 4.9
S(-5) 1.9 1.6 3.7 1.9
Ar(-6) 8.5 2.7 10 2.5
Ne(-4) 3.1 1.7 2.5 1.2
Cl(-7) 5.6 4.2   3.0
Fe(-7) 3.1:     320
(1) Liu et al. (2000); (2) Pottasch et al. (1986); (3) Solar: Anders & Grevesse (1989);
Allende Prieto et al. (2001); Grevesse & Sauval (1998).

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