Neutral oxygen spectral line formation revisited with new collisional data: large departures from LTE at low metallicity | A&A

EDP Sciences Journals List

Subscriber Authentication Point

Home

Free access article

Table 2:

Comparison of results obtained with representative cases from two different model atmosphere sets (ATLAS, and MARCS), assuming a solar oxygen abundance of $\log~\epsilon_{\rm O}=8.66$ (Asplund et al. 2004).
$T_{\rm {eff}}$ (K) $\setminus$ log g	5500 $\setminus$ 4.5	6500 $\setminus$ 2.0	6500 $\setminus$ 4.0
	$\Delta\log~\epsilon_{\rm O}$	$\Delta\log~\epsilon_{\rm O}$	$\Delta\log~\epsilon_{\rm O}$
	(ATLAS)	(ATLAS)	(ATLAS)
[Fe/H] = 0.0	-0.20/-0.11	-0.83/-0.86	-0.53/-0.45
[Fe/H] =-1.0	-0.14/-0.05	-0.64/-0.67	-0.36/-0.31
[Fe/H] =-2.0	-0.11/-0.03	-0.32/-0.35	-0.20/-0.15
[Fe/H] =-2.5	-0.12/-0.03	-0.28/-0.26	-0.27/-0.16
[Fe/H] =-3.5	-0.43/-0.10	-0.26/-0.18	-0.87/-0.54
	$\Delta\log~\epsilon_{\rm O}$	$\Delta\log~\epsilon_{\rm O}$	$\Delta\log~\epsilon_{\rm O}$
	(MARCS)	(MARCS)	(MARCS)
[Fe/H] = 0.0	-0.18/-0.10	-0.88/-0.92	-0.50/-0.44
[Fe/H] =-1.0	-0.12/-0.05	-0.63/-0.66	-0.34/-0.29
[Fe/H] =-2.0	-0.11/-0.03	-0.30/-0.31	-0.19/-0.14
[Fe/H] =-2.5	-0.16/-0.04	-0.42/-0.33	-0.56/-0.34
[Fe/H] =-3.5	-0.52/-0.14	-0.88/-0.53	-1.21/-0.85

Source LaTeX | All tables | In the text