SYSTEMATIC Non-LTE STUDY of the -2.6 = [Fe/H] = 0.2 F and G DWARFS in the SOLAR NEIGHBORHOOD. I. STELLAR ATMOSPHERE PARAMETERS
We present atmospheric parameters for 51 nearby F and G dwarf and subgiant stars uniformly distributed over the metallicity range that is suitable for the Galactic chemical evolution research. Lines of iron in the two ionization stages, Fe i and Fe ii, were used to derive a homogeneous set of effective temperatures, surface gravities, iron abundances, and microturbulence velocities. Our spectroscopic analyses took advantage of employing high-resolution (R ≥ 60,000) Shane/Hamilton and...[Show more]
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|Source:||Astrophysical Journal, The|
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