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Table 3:

Abundances of oxygen and nitrogen adopted from calculations by Górny et al. (2009) and compared to earlier published results.

This work                         Literature
  log O/H+12 log N/O (log O/H + 12; log N/O)

H 1-16 		8.83 -1.06 (9.09; -1.32)$^{\rm Sa}$
Hb 6 8.66 -0.18 (8.71; -0.06)$^{\rm AK}$
M 2-10a 8.67 -0.28 (8.78; -)$^{\rm G}$   (8.86; -0.49)$^{\rm R}$   (9.00; -0.55)K   (8.90; -0.59)$^{\rm St}$
H 1-50 8.66 -0.37 (8.65; -0.51)$^{\rm E}$

H 1-20 		8.61 -0.10 (8.97; -0.56)$^{\rm E}$   (8.45; -)$^{\rm G}$   (8.97; -0.23)$^{\rm R}$   (9.30; -0.67)$^{\rm Sa}$   (8.73; -0.44)$^{\rm K}$
Th 3-4 8.22 -0.11  
M 3-38 8.39 0.19 (8.37; 0.32)$^{\rm R}$   (8.79; -0.61)$^{\rm Sa}$   (8.54; -0.22)$^{\rm K}$   (8.37; -)$^{\rm St}$
M 3-8 8.38 -0.26 (8.59; -0.42)$^{\rm E}$   (9.02; -0.27)$^{\rm R}$   (8.12; -0.27)$^{\rm C}$   (8.15; -0.33)$^{\rm St}$

H 1-40 		8.19 -0.25 (9.09; -0.04)$^{\rm E}$   (8.23; -0.45)$^{\rm HS}$   (8.70; -0.62)$^{\rm R}$   (8.62; 0.02)$^{\rm St}$
M 2-23 8.35 -0.99 (8.48; -1.44)$^{\rm E}$   (8.67; -1.00)$^{\rm HS}$   (8.21; -0.13)$^{\rm St}$   (8.22; -0.82)$^{\rm R}$   (8.48; 0.20)$^{\rm K}$
He 2-260 8.00 -0.76  
H 1-32 8.59 -1.21 (8.55; -0.23)$^{\rm St}$   (8.12; -0.53)$^{\rm R}$
H 1-35 8.65 -1.19 (8.31; -0.92)$^{\rm R}$   (8.27; -0.89)$^{\rm K}$

Notes. Results by Cuisinier et al. (2000), Escudero et al. (2004), Górny et al. (2004) and Wang & Liu (2007) are not presented as the line measurements from these papers were used by Górny et al. (2009).
(a) The values adopted are the averages of original calculations (see Table 4) by Górny et al. (2009) and from Stasinska et al. (1998).

References. AK - Aller & Keyes (1987), C - Costa et al. (1996), E - Exter et al. (2004), G - Gutenkunst et al. (2008), R - Ratag et al. (1997),
K - Köppen et al. (1991), Sa - Samland et al. (1992), St - Stasinska et al. (1998), HS - van Hoof & van de Steene (1999).


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