HD220838

  • HIP115771 in K.A.Venn+,AJ, 128, 1177, 2004

    • taken from 3 paper(s):

    /D.L.Burris et al.(2000)/ /B.W.Carney et al.(2003)/ /W.Aoki and S. Honda(2008)/

    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 : 4450 log g : 1.20 vturb : 1.90

    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-1.65......-1.48...6.02Fe
    YN/A...-0.030.56-1.65-0.170.56Y
    ZrN/A...0.101.05-1.53-0.051.05Zr
    BaN/A...0.110.59-1.59-0.110.59Ba
    LaN/A...-0.20-0.63-1.73-0.25-0.63La
    NdN/A...0.410.26-1.160.320.26Nd
    EuN/A...0.30-0.84-1.360.12-0.84Eu
    DyN/A...0.50-0.05-1.150.33-0.05Dy

    Position

    Right Ascension : 23 27 16.48 Declination : -26 58 58.2 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

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

    B.W.Carney et al.,AJ, 125, 293, 2003(ADS)

    Spectroscopic Binaries, Velocity Jitter, and Rotation in Field Metal-poor Red Giant and Red Horizontal-Branch Stars


    Stellar Parameters

    Teff : 4280 log g : 1.1

    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-1.53......-1.53...5.97Fe

    Binary Parameters

    Vrad -22.96

    Position

    Right Ascension : 23 27 16.48 Declination : -26 58 58.2 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    N/A 2445653.66578 TILLINGHAST N/A N/A N/A -22.98+-0.45
    N/A 2446006.66093 MMT N/A N/A N/A -23.33+-0.43
    N/A 2446341.81816 TILLINGHAST N/A N/A N/A -23.01+-0.45
    N/A 2446602.98912 MMT N/A N/A N/A -22.85+-0.41
    N/A 2446987.95593 MMT N/A N/A N/A -21.88+-0.35
    N/A 2447343.98262 MMT N/A N/A N/A -22.75+-0.40
    N/A 2447695.97832 MMT N/A N/A N/A -22.99+-0.42
    N/A 2448460.94836 TILLINGHAST N/A N/A N/A -22.79+-0.37
    N/A 2448875.82017 TILLINGHAST N/A N/A N/A -23.81+-0.44
    N/A 2450762.62081 MMT N/A N/A N/A -23.25+-0.43

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

    Enrichment of Lead (Pb) in the Galactic Halo


    Stellar Parameters

    Teff : 4300 log g : 0.6 vturb : 1.8

    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...-0.49...-2.17-0.376.26C
    FeN/A-1.75...5.70+-0.18-1.80...5.70+-0.18Fe
    LaN/A......-0.76+-0.12-1.86+-0.12-0.06+-0.12-0.76+-0.12La
    EuN/A......-0.93+-0.16-1.45+-0.160.35+-0.16-0.93+-0.16Eu
    PbN/A...-0.20+-0.190.05+-0.19-1.99+-0.19-0.19+-0.190.05+-0.19Pb

    Position

    Right Ascension : 23 27 16.48 Declination : -26 58 58.2 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

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