Abstract
The absolute solar oxygen abundance,ε ⊙ = 8.80± 0.06, has been determined from various oxygen abundance indicators in different solar atlases, and a new method is proposed to test collision rate coefficientsfor the NLTE model of OI.Using effective temperatures derived from Balmer lines, oxygen abundances from O triplets in 83 solar-type stars within the solar neighborhood spanning a metallicity range of [Fe/H] = −2.3 ... +0.4 have been determined.NLTE effects are not negligible, especially in warm stars(Teff ≥ 5800) with [Fe/H] ≥ −0.5.
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Reetz, J. Oxygen Abundances in Solar-Type Stars. Astrophysics and Space Science 265, 171–174 (1999). https://doi.org/10.1023/A:1002138921948
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DOI: https://doi.org/10.1023/A:1002138921948