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Table 3

Ionic and total abundances obtained from integrated line fluxes compared with those obtained in the literature.

This worka Tsamis et al. (2003)a Krabbe & Copetti (2006)b Pottasch & Bernard-Salas (2008)c

Ion ICF Abundance Abundance (ICF) Abundance (ICF) Abundance (ICF)

He+/H 0.08
He++/H 9.45 × 10-3
He/H 0.09 0.10 0.10 0.092
O0/H 2.11 × 10-8
O2+/H 2.34 × 10-4
Ō/H 1.07 2.55 × 10-4 3.3 × 10-4 (1.17) 3.09 × 10-4 (1.30) 3.80 × 10-4 (1.00)
N+/H 2.63 × 10-7
N/H 80.00 2.05 × 10-5 3.4 × 10-5 (1.53) 4.19 × 10-5 (220.) 1.35 × 10-4 (1.00)
S+/H 6.02 × 10-9
S2+/H 7.43 × 10-7
S/H 3.00 2.24 × 10-6 2.4 × 10-6 (3.52) 2.60 × 10-6 (4.20) 2.80 × 10-6 (1.00)

Notes.

(a)

Covered full nebula;

(b)

used single long-slit with 2′′;

(c)

used data from different sources with different aperture or slit sizes.

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