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High-resolution spectroscopic survey of 671 GK giants. I - Stellar atmosphere parameters and abundances
McWilliam, Andrew
AA(McDonald Observatory, Austin, TX)
Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 74, Dec. 1990, p. 1075-1128. (ApJS Homepage)
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NASA/STI Keywords:
Abundance, Giant Stars, Late Stars, Stellar Atmospheres, Stellar Spectra, Color-Color Diagram, G Stars, High Resolution, K Stars, Stellar Color, Stellar Temperature
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A high-resolution spectroscopic survey of 671 G and K field giants is described. Broad-band Johnson colors have been calibrated against recent, accurate effective temperature, T(eff), measurements for stars in the range 3900-6000 K. A table of polynomial coefficients for 10 color-T(eff) relations is presented. Stellar atmosphere parameters, including T(eff), log g, Fe/H, and microturbulent velocity, are computed for each star, using the high-resolution spectra and various published photometric catalogs. For each star, elemental abundances for a variety of species have been computed using a LTE spectrum synthesis program and the adopted atmosphere parameters.

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