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SYSTEMATIC Non-LTE STUDY of the -2.6 = [Fe/H] = 0.2 F and G DWARFS in the SOLAR NEIGHBORHOOD. I. STELLAR ATMOSPHERE PARAMETERS

Sitnova, T.; Zhao, G; Mashonkina, L.; Chen, Y. H.; Liu, Fan; Pakhomov, Yu; Tan, K.; Bolte, M.; Alexeeva, S.; Grupp, F.; Shi, J. R.; Zhang, H.-W.

Description

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]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/102529
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/808/2/148

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