A Compiled Catalogue of Spectroscopically Determined Elemental Abundances for Stars with Accurate Parallaxes. I.Magnesium

Abstract

We present a compiled catalogue of effective temperatures, surface gravities, iron and magnesium abundances, distances, velocity components, and orbital elements for stars in the solar neighborhood. The atmospheric parameters and iron abundances are averages of published values derived from model synthetic spectra for a total of about 2000 values in 80 publications. Our relative magnesium abundances were found from 1412 values in 31 publications for 876 dwarfs and subgiants using a three-step iteration averaging procedure, with weights assigned to each source of data as well as to each individual determination and taking into account systematic deviations of each scale relative to the reduced mean scale. The estimated assumed completeness for data sources containing more than five stars, up to late December 2003, exceeds 90%. For the vast majority of stars in the catalogue, the spatial velocity components were derived from modern high-precision astrometric observations, and their Galactic orbit elements were computed using a three-component model of the Galaxy, consisting of a disk, a bulge, and a massive extended halo.

arXiv commentAccepted for Astron. Rep. 2005, v.49, No.5, p.405-416, 12 pages, 10 figures

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• Revised Coordinates and Proper Motions of the Stars in the Luyten Half-Second Catalogue
• Homogeneous photometry and metal abundances for a large sample of Hipparcos metal-poor stars
• Galactic orbits of stars with planets
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• Abundance correlations in mildly metal-poor stars

Cited by in corpus (12)

• Elemental abundances of low-mass stars in nearby young associations: AB Doradus, Carina Near, and Ursa Major
• Discovery of the benchmark metal poor T8 dwarf BD+01 2920B
• Stellar population synthesis models between 2.5 and 5 μm based on the empirical IRTF stellar library
• Heterogeneity of the Population of Open Star Clusters in the Galaxy
• Two Populations of Open Star Clusters in the Galaxy
• Mg and TiO spectral features at the near-IR: Spectrophotometric index definitions and empirical calibrations
• Modeling and Analysis of a Spectrum of the Globular Cluster NGC 2419
• The Chemical Composition of Globular Clusters of Different Nature in our Galaxy
• Peculiarities of α-element abundances in Galactic open clusters
• Globular Clusters of the Galaxy: Chemical Composition vs Kinematics
• A general method of estimating stellar astrophysical parameters from photometry
• Medium resolution spectroscopy and chemical composition of Galactic globular clusters