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Table 4
Newly computed CEL abundances of N, Ne, Ar, S from the E04 optical spectrum of the Orion nebula.
| NCEL | NeCEL | ArCEL | SCEL | |
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| ion abundance | ϵ(N + ) = 6.92 ± 0.05 | ϵ(Ne2 + ) = 7.76 ± 0.01 | ϵ(Ar2 + ) = 6.37 ± 0.02 | ϵ(S2 + ) = 6.80 ± 0.05 |
| icf | log icf(N + ) = 1.00 ± 0.04 | log icf (Ne2 + ) = 0.29 ± 0.02 | log icf (Ar2 + ) = 0.02 ± 0.01 | log icf (S2 + ) = 0.07 ± 0.01 |
| element abundance | ϵ(N) = 7.92 ± 0.09 | ϵ(Ne) = 8.05 ± 0.03 | ϵ(Ar) = 6.39 ± 0.03 | ϵ(S) = 6.87 ± 0.06 |
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