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We compile spectroscopic abundance data from 84 literature sources for 50elements across 3058 stars in the solar neighborhood, within 150 pc of the Sun,to produce the Hypatia Catalog. We evaluate the variability of the spread inabundance measurements reported for the same star by different surveys. We alsoexplore the likely association of the star within the Galactic disk, thecorresponding observation and abundance determination methods for all catalogsin Hypatia, the influence of specific catalogs on the overall abundance trends,and the effect of normalizing all abundances to the same solar scale. Theresulting large number of stellar abundance determinations in the HypatiaCatalog are analyzed only for thin-disk stars with observations that areconsistent between literature sources. As a result of our large dataset, wefind that the stars in the solar neighborhood may be reveal an asymmetricabundance distribution, such that a [Fe/H]-rich group near to the mid-plane isdeficient in Mg, Si, S, Ca, Sc II, Cr II, and Ni as compared to stars furtherfrom the plane. The Hypatia Catalog has a wide number of applications,including exoplanet hosts, thick and thin disk stars, or stars with differentkinematic properties.

Stellar Abundances in the Solar Neighborhood: The Hypatia Catalog