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Home All issues Volume 505 / No 3 (October III 2009) A&A, 505 3 (2009) 1027-1039 Full HTML
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Table 4:

Total abundances for PNe and H II regions in NGC 6822 and other galaxies1.

Object		 He/H O/H   N/H Ne/H S/H Ar/H Other IDs2 , comments3
PN 12 0.113 $\pm$ 0.009 8.26 $\pm$ 0.10 7.57 $\pm$ 0.13 7.44 $\pm$ 0.10 6.62 $\pm$ 0.15 5.83 $\pm$ 0.10 PN14-S14, young
PN 16 0.148 $\pm$ 0.010 8.25 $\pm$ 0.08 7.16 $\pm$ 0.20 7.51 $\pm$ 0.10 6.02 $\pm$ 0.20 5.82 $\pm$ 0.12 PN13-S16, young
PN 7 0.107 $\pm$ 0.015 8.20 $\pm$ 0.15 6.92 $\pm$ 0.17 - 5.98 $\pm$ 0.20 5.96 $\pm$ 0.13 PN2, young
PN 6 0.096 $\pm$ 0.005 8.15 $\pm$ 0.07 7.36 $\pm$ 0.15 7.38 $\pm$ 0.12 6.20 $\pm$ 0.29 5.63 $\pm$ 0.10 PN1, old
PN 14 0.109 $\pm$ 0.006 8.12 $\pm$ 0.08 8.44 $\pm$ 0.14 - 5.89 $\pm$ 0.30 5.81 $\pm$ 0.12 PN7-S33, Type I, young
PN 21 0.106 $\pm$ 0.012 7.95 $\pm$ 0.10 7.24 $\pm$ 0.15 7.21 $\pm$ 0.10 <6.75 5.80 $\pm$ 0.12 PN12, young
PN 5 0.094 $\pm$ 0.015 7.90 $\pm$ 0.10 8.36 $\pm$ 0.20 - 6.64 $\pm$ 0.29 5.88 $\pm$ 0.15 PN3, Type I, young
PN 4 0.090 $\pm$ 0.005 7.78 $\pm$ 0.07 7.48 $\pm$ 0.12 7.05 $\pm$ 0.10 6.22 $\pm$ 0.15 5.59 $\pm$ 0.10 PN4, Type I?, old
PN 10 0.111 $\pm$ 0.010 7.60 $\pm$ 0.08 6.30 $\pm$ 0.13 6.80 $\pm$ 0.10 - 5.20 $\pm$ 0.15 PN19, old
PN 19 0.145 $\pm$ 0.040 7.57 $\pm$ 0.12 6.42 $\pm$ 0.15 - 6.22 $\pm$ 0.20 5.63 $\pm$ 0.15 PN9, old
PN 18 <0.124 7.49 $\pm$ 0.15 - 6.82 $\pm$ 0.15 - - PN11, old
$\langle$non-type I$\rangle$ 0.114 $\pm$ 0.014 7.92 $\pm$ 0.18 7.06 $\pm$ 0.31 7.17 $\pm$ 0.20 6.21 $\pm$ 0.17 5.68 $\pm$ 0.15 Type I PNe excluded, 2$\sigma$ err
H II 15 0.090 $\pm$ 0.005 8.10 $\pm$ 0.05 6.56 $\pm$ 0.08 7.36 $\pm$ 0.07 6.49 $\pm$ 0.10 5.97 $\pm$ 0.08 H II8-S28
H V 0.084 $\pm$ 0.002 8.08 $\pm$ 0.03 6.85 $\pm$ 0.15 7.35 $\pm$ 0.03 6.61 $\pm$ 0.05 5.84 $\pm$ 0.03 PPR
H X 0.084 $\pm$ 0.002 8.01 $\pm$ 0.05 6.76 $\pm$ 0.16 7.27 $\pm$ 0.05 6.51 $\pm$ 0.06 5.84 $\pm$ 0.05 PPR
H I - 7.98 $\pm$ 0.09 - 7.34 $\pm$ 0.19 - - LSV
K$\alpha$ - 8.00 $\pm$ 0.04 6.16 $\pm$ 0.10 7.51 $\pm$ 0.10 - 6.04 $\pm$ 0.07 LSV
K$\beta$ - 8.18 $\pm$ 0.07 - 7.60 $\pm$ 0.13 - - LSV
KD28e - 8.19 $\pm$ 0.05 6.38 $\pm$ 0.06 7.64 $\pm$ 0.09 - 6.10 $\pm$ 0.05 LSV
$\langle$H II regions$\rangle$ 0.086 $\pm$ 0.004 8.06 $\pm$ 0.04 6.72 $\pm$ 0.14 7.33 $\pm$ 0.05 6.54 $\pm$ 0.06 5.88 $\pm$ 0.07 3 best observed obj., 2$\sigma$ err
LMC-H II 0.085 8.40 6.90 7.60 6.70 6.20 D89, G99
LMC-PNe 0.091 8.33 7.45 7.54 6.93 5.93 non-type I, LD06
SMC-H II 0.079 8.00 6.50 7.20 6.30 5.90 D89, G99
SMC-PNe 0.079 8.09 7.11 7.16 6.62 5.51 non-type I, LD06
NGC3109-H II 0.085 7.77 6.44 6.87 6.39 5.83 PSR
NGC3109-PNe 0.087 8.16 7.49 7.18 6.26 5.66 PSR
Sun 0.085 8.66 7.78 7.84 7.14 6.18 Grevese et al. (2007)
1 Heavy elements in 12 + log (X/H), objects ordered by 12 + log (O/H) values; 2 IDs: PN# from Leisy et al. (2005) and S# from Killen & Dufour (1982); 3 Ref.: PPR: Peimbert et al. (2005); LSV: Lee et al. (2006), D89: Dennefeld (1989); G99: Garnett (1999); LD06: Leisy & Dennefeld (2006); PSR: Peña et al. (2007).

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