Abundances and Kinematics of Field Halo and Disk Stars. I. Observational Data and Abundance Analysis

  • Fulbright J
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Abstract

We describe observations and abundance analysis of a high-resolution, high-S/N survey of 168 stars, most of which are metal-poor dwarfs. We follow a self-consistent LTE analysis technique to determine the stellar parameters and abundances, and estimate the effects of random and systematic uncertainties on the resulting abundances. Element-to-iron ratios are derived for key alpha, odd, Fe-peak, r- and s-process elements. Effects of Non-LTE on the analysis of Fe I lines are shown to be very small on the average. Spectroscopically determined surface gravities are derived that are generally close to those obtained from Hipparcos parallaxes.

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APA

Fulbright, J. P. (2000). Abundances and Kinematics of Field Halo and Disk Stars. I. Observational Data and Abundance Analysis. The Astronomical Journal, 120(4), 1841–1852. https://doi.org/10.1086/301548

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