BS17576-002

  • J093101.0-030405 in G.R.Ruchti+,ApJ, 737, 9, 2011

    • taken from 3 paper(s):

    /D.K.Lai et al.(2004)/ /D.K.Lai et al.(2007)/ /G.R.Ruchti et al.(2011)/

    D.K.Lai et al.,AJ, 128, 2402, 2004(ADS)

    ABUNDANCES OF EXTREMELY METAL-POOR STAR CANDIDATES


    Stellar Parameters

    Teff : 6203 log g : 3.78

    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
    Mg IN/A...0.57...-0.830.556.77Mg I
    Ca IN/A...0.52...-0.840.545.50Ca I
    Ti IIN/A...0.35...-0.960.423.99Ti II
    Cr IN/A...-0.20...-1.55-0.174.09Cr I
    Fe IN/A-1.38......-1.38...6.12Fe I
    Ba IIN/A...-0.09...-1.52-0.140.66Ba II

    Binary Parameters

    Vrad 123

    Position

    Right Ascension : 09 31 00.96 Declination : -03 04 04.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2001-01-21 N/A KECKII 7000 150 120 N/A

    D.K.Lai et al.,ApJ, 667, 1185, 2007(ADS)

    Carbon and Strontium Abundances of Metal-poor Stars


    Stellar Parameters

    Teff : 6203 log g : 3.78

    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...0.40+-0.19...-0.85+-0.190.36+-0.197.58+-0.19C
    FeN/A-1.38......-1.21...6.29Fe
    SrN/A...0.38...-0.970.241.90Sr
    BaN/A...-0.09...-1.52-0.310.66Ba

    Position

    Right Ascension : 09 31 00.96 Declination : -03 04 04.8 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 KECKII 7000 N/A N/A N/A

    G.R.Ruchti et al.,ApJ, 737, 9, 2011(ADS)

    Observational Properties of the Metal-poor Thick Disk of the Milky Way and Insights into its Origins


    Stellar Parameters

    Teff : 6067 log g : 4.03 vturb : 1.0

    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
    MgN/A...0.29+-0.1...-1.24+-0.10.27+-0.16.36+-0.1Mg
    SiN/A...0.37+-0.1...-1.10+-0.10.41+-0.16.41+-0.1Si
    CaN/A...0.40+-0.1...-1.09+-0.10.42+-0.15.25+-0.1Ca
    Ti IN/A...0.29+-0.1...-1.15+-0.10.36+-0.13.80+-0.1Ti I
    Ti IIN/A...0.40+-0.1...-1.04+-0.10.47+-0.13.91+-0.1Ti II
    FeN/A-1.51......-1.51...5.99Fe

    Position

    Right Ascension : 09 31 00.96 Declination : -03 04 04.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2008-03-17 N/A APO 40000 170 N/A N/A
    N/A N/A APO 40000 180 N/A N/A