BD+06_648

  • HIP19701 in K.A.Venn+,AJ, 128, 1177, 2004

    • taken from 4 paper(s):

    /D.L.Burris et al.(2000)/ /J.Melendez and B. Barbuy(2001)/ /W.Aoki and S. Honda(2008)/ /M.Aoki et al.(2017)/

    D.L.Burris et al.,ApJ, 544, 302, 2000(ADS)

    NEUTRON-CAPTURE ELEMENTS IN THE EARLY GALAXY: INSIGHTS FROM A LARGE SAMPLE OF METAL-POOR GIANTS


    Stellar Parameters

    Teff : 4500 log g : 1.10 vturb : 2.00

    Chemical Abundances

    Original Data Converted Data Asplund et al. (2009)
    Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
    FeN/A-2.10......-1.93...5.57Fe
    SrN/A...0.351.15-1.720.211.15Sr
    YN/A...-0.030.11-2.10-0.170.11Y
    ZrN/A...0.330.83-1.750.180.83Zr
    BaN/A...0.150.18-2.00-0.070.18Ba
    LaN/A...0.13-0.75-1.850.08-0.75La
    NdN/A...0.34-0.26-1.680.25-0.26Nd
    EuN/A...0.29-1.30-1.820.11-1.30Eu
    DyN/A...0.40-0.60-1.700.23-0.60Dy

    Position

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    N/A MAYALLKPNO 20000 100-200 N/A N/A

    J.Melendez et al.,ApJ, 556, 858, 2001(ADS)

    Oxygen Abundances in Metal-poor Stars (-2.2 < [Fe/H] < -1.2) from Infrared OH Lines


    W.Aoki et al.,PASJ, 60, L7, 2008(ADS)

    Enrichment of Lead (Pb) in the Galactic Halo


    Stellar Parameters

    Teff : 4400 log g : 0.9 vturb : 2.2

    Chemical Abundances

    Original Data Converted Data Asplund et al. (2009)
    Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
    CN/A...-0.15...-2.17-0.036.26C
    FeN/A-2.09...5.36+-0.19-2.14...5.36+-0.19Fe
    LaN/A......-0.95+-0.12-2.05+-0.120.09+-0.12-0.95+-0.12La
    EuN/A......-1.50+-0.16-2.02+-0.160.12+-0.16-1.50+-0.16Eu
    PbN/A...<-0.02<0.0<-2.04<0.10<0.0Pb

    Position

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    N/A N/A SUBARUHDS 50000 >85 N/A N/A

    M.Aoki et al.,ApJ, 837, 8, 2017(ADS)

    Diversity of Abundance Patterns of Light Neutron-capture Elements in Very-metal-poor Stars


    Stellar Parameters

    Teff : 4400 log g : 0.90 vturb : 1.85

    Chemical Abundances

    Original Data Converted Data Asplund et al. (2009)
    Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
    FeN/A-2.11......-2.11...5.39Fe
    Sr II2...0.19+-0.190.95+-0.19-1.92+-0.190.19+-0.190.95+-0.19Sr II
    Y II3...-0.09+-0.260.02+-0.26-2.19+-0.26-0.08+-0.260.02+-0.26Y II
    Zr II2...0.29+-0.180.76+-0.18-1.82+-0.180.29+-0.180.76+-0.18Zr II
    Mo I1...0.25+-0.250.03+-0.25-1.85+-0.250.26+-0.250.03+-0.25Mo I
    Ru I2...0.05+-0.28-0.31+-0.28-2.06+-0.280.05+-0.28-0.31+-0.28Ru I
    Pd I1...-0.25+-0.21-0.78+-0.21-2.35+-0.21-0.24+-0.21-0.78+-0.21Pd I
    Ba II4...0.15+-0.180.22+-0.18-1.96+-0.180.15+-0.180.22+-0.18Ba II
    La II3...0.28+-0.17-0.72+-0.17-1.82+-0.170.29+-0.17-0.72+-0.17La II
    Ce II4...0.13+-0.18-0.40+-0.18-1.98+-0.180.13+-0.18-0.40+-0.18Ce II
    Nd II5...0.30+-0.18-0.38+-0.18-1.80+-0.180.31+-0.18-0.38+-0.18Nd II
    Eu II1...0.20+-0.19-1.38+-0.19-1.90+-0.190.21+-0.19-1.38+-0.19Eu II

    Binary Parameters

    Vrad -143.5+-0.6

    Position

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2007-02-08 N/A SUBARUHDS 90000 150 1800 -143.5+-0.6