Abundances in the Galactic bulge: results from planetary nebulae and giant stars

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Volume 494 / No 2 (February I 2009)

A&A, 494 2 (2009) 591-610

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Table 6:

Linear least-square fit between oxygen and other elements in bulge PNe, bulge giants and in the blue compact galaxies studied by Izotov et al. (2006): y=ax+b (and one-sigma uncertainties).
	a	b	$\chi2$	q
Bulge PNe
log (Ne/H) vs. log (O/H)	1.34 $\pm$ 0.02	-3.58 $\pm$ 0.17	208	5.79 $\times$ 10^-15
log (Ar/H) vs. log (O/H)	1.31 $\pm$ 0.02	-4.93 $\pm$ 0.13	554	4.11 $\times$ 10^-61
log (S/H) vs. log (O/H)	1.40 $\pm$ 0.02	-5.18 $\pm$ 0.15	425	1.36 $\times$ 10^-44
log (N/H) vs. log (O/H)	2.27 $\pm$ 0.09	-11.23 $\pm$ 0.27	836	4.37 $\times$ 10^-115
Stars
log (N/H) vs. log (O/H)	1.32	-3.49	34.4	-
log (Si/H) vs. log (O/H)	1.22	-3.24	6.71	-
log (Mg/H) vs. log (O/H)	1.02	-1.26	102.	-
H II Regions (Izotov et al. 2006)
log (Ne/H) vs. log (O/H)	1.09 $\pm$ 0.01	-1.45 $\pm$ 0.05	-	-
log (Ar/H) vs. log (O/H)	1.04 $\pm$ 0.01	-2.71 $\pm$ 0.08	-	-
log (S/H) vs. log (O/H)	0.97 $\pm$ 0.01	-1.51 $\pm$ 0.07	-	-

Source LaTeX | All tables | In the text

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