Cococubed.com Stellar Abundances in the Solar Neighborhood
Home Astronomy research   Software Infrastructure:      MESA      FLASH      STARLIB      My codes   White dwarf supernova:      Colliding white dwarfs      Merging white dwarfs      Ignition conditions      Metallicity effects      Central density effects      Detonation density effects      Tracer particle burning      Subsonic burning fronts      Supersonic burning fronts      W7 profiles   Massive star supernova:      Rotating progenitors      3D evolution      26Al & 60Fe      44Ti, 60Co & 56Ni      Yields of radionuclides      Effects of 12C +12C      SN 1987A light curve      Constraints on Ni/Fe ratios      An r-process      Compact object IMF   Stars:      Pre-SN variations      MC white dwarfs      SAGB      Classical novae      He shell convection      Presolar grains      He burn on neutron stars      BBFH at 40 years   Chemical Evolution:      Hypatia catalog      Zone models H to Zn      Mixing ejecta      γ-rays within 100 Mpc   Thermodynamics & Networks      Stellar EOS      Reaction networks      Proton-rich NSE      MC reaction rates   Verification Problems:      Validating an astro code      Su-Olson      Cog8      Mader      RMTV      Sedov      Noh Software instruments Presentations Illustrations Videos Bicycle adventures AAS Journals 2017 MESA Marketplace 2017 MESA Summer School 2017 ASU+EdX AST111x Teaching materials Education and Public Outreach Contact: F.X.Timmes my one page vitae, full vitae, research statement, and teaching statement.	Stellar Abundances in the Solar Neighborhood: The Hypatia Catalog (2014) In this paper by Hinkel et al, we compile spectroscopic abundance data from 84 literature sources for 50 elements 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 in abundance measurements reported for the same star by different surveys. We also explore the likely association of the star within the Galactic disk, the corresponding observation and abundance determination methods for all catalogs in Hypatia, the influence of specific catalogs on the overall abundance trends, and the effect of normalizing all abundances to the same solar scale. The resulting large number of stellar abundance determinations in the Hypatia Catalog are analyzed only for thin-disk stars with observations that are consistent between literature sources. As a result of our large dataset, we find that the stars in the solar neighborhood may be reveal an asymmetric abundance distribution, such that a [Fe/H]-rich group near to the mid-plane is deficient in Mg, Si, S, Ca, Sc II, Cr II, and Ni as compared to stars further from the plane. 46 elements, 3058 stars Toomre diagrams Spreads in abund, Teff, log g Median [Fe/H] [C/Fe] and [O/Fe] [Mg/Fe] [Si/Fe] and [S/Fe] [Ca/Fe] [Ti/Fe] and [Ti II/Fe] Ti vs distance [Na/Ca] and [Si/Ca] [N/Fe] [Na/Fe] [Al/Fe] [Al/Fe] vs distance [K/Fe] [Sc/Fe] [V/Fe] [V/Fe] vs. distance [Cr/Fe] and [Cr II/Fe] [Mn/Fe] [Mn/Fe] vs. distance [Ni/Ca] and [Ni/Si] [Ni/Fe] [Cu/Fe] and [Zn/Fe] [Sr/Fe] and [Sr II/Fe] [Y/Fe] and [Y II/Fe] [Zr/Fe] and [Zr II/Fe] [Ba/Fe] and [Ce/Fe] [Nd/Fe] and [Eu/Fe] Spectra for two stars with same Fe Sorted z-heights