BS16945-0054

  • BS16945-054 in D.K.Lai+,AJ, 128, 2402, 2004

    • taken from 4 paper(s):

    /D.K.Lai et al.(2004)/ /J.G.Cohen et al.(2004)/ /D.K.Lai et al.(2007)/ /J.G.Cohen et al.(2013)/

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

    ABUNDANCES OF EXTREMELY METAL-POOR STAR CANDIDATES


    Stellar Parameters

    Teff : 5281 log g : 2.99 vturb : -2.75

    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...0.58...-2.370.565.23Mg I
    Ca IN/A...0.58...-2.330.604.01Ca I
    Ti IIN/A...0.42...-2.440.492.51Ti II
    Fe IN/A-2.93......-2.93...4.57Fe I
    Ba IIN/A...-0.07...-3.05-0.12-0.87Ba II

    Binary Parameters

    Vrad -71

    Position

    Right Ascension : 10 50 57.84 Declination : +34 01 30.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2003-04-23 N/A KECKII 7000 150 600 N/A

    J.G.Cohen et al.,ApJ, 612, 1107, 2004(ADS)

    Abundances In Very Metal-Poor Dwarf Stars


    Stellar Parameters

    Teff : 6065 log g : 3.7 vturb : 1.6

    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 I5......5.71+-0.21-1.89+-0.210.44+-0.215.71+-0.21Mg I
    Al I2......3.87+-0.21-2.58+-0.21-0.25+-0.213.87+-0.21Al I
    Si I1......5.33-2.180.155.33Si I
    Ca I7......4.27+-0.11-2.07+-0.110.26+-0.114.27+-0.11Ca I
    Sc II3......0.90+-0.01-2.25+-0.010.08+-0.010.90+-0.01Sc II
    Ti I3......3.04+-0.07-1.91+-0.070.42+-0.073.04+-0.07Ti I
    Ti II19......3.06+-0.18-1.89+-0.180.44+-0.183.06+-0.18Ti II
    Cr I4......3.07+-0.09-2.57+-0.09-0.24+-0.093.07+-0.09Cr I
    Mn I2......2.62+-0.35-2.81+-0.35-0.48+-0.352.62+-0.35Mn I
    Fe I64......5.17+-0.16-2.33+-0.16...5.17+-0.16Fe I
    Fe II10......5.14+-0.12-2.36+-0.12...5.14+-0.12Fe II
    Co I4......2.91+-0.23-2.08+-0.230.25+-0.232.91+-0.23Co I
    Ni I2......3.86+-0.08-2.36+-0.08-0.03+-0.083.86+-0.08Ni I
    Sr II2......0.50+-0.06-2.37+-0.06-0.04+-0.060.50+-0.06Sr II
    Ba II2......-0.16+-0.03-2.34+-0.03-0.01+-0.03-0.16+-0.03Ba II
    Nd II1......<0.70<-0.72<1.61<0.70Nd II
    Eu II2......<-1.09+-0.01<-1.61+-0.01<0.72+-0.01<-1.09+-0.01Eu II

    Position

    Right Ascension : 10 50 57.84 Declination : +34 01 30.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2002-05 N/A KECKHIRES 45000 >100 2700 N/A

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

    Carbon and Strontium Abundances of Metal-poor Stars


    Stellar Parameters

    Teff : 5281 log g : 2.99

    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...0.10+-0.26...-2.70+-0.260.06+-0.265.73+-0.26C
    FeN/A-2.93......-2.76...4.74Fe
    SrN/A...-0.32...-3.22-0.46-0.35Sr
    BaN/A...-0.07...-3.05-0.29-0.87Ba

    Position

    Right Ascension : 10 50 57.84 Declination : +34 01 30.6 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

    J.G.Cohen et al.,ApJ, 778, 56, 2013(ADS)

    Normal and Outlying Populations of the Milky Way Stellar Halo at [Fe/H] <-2


    Stellar Parameters

    Teff : 6020+-100 log g : 3.7+-0.25 vturb : 1.6+-0.2

    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
    Mg I5...0.38+-0.1...-1.99+-0.10.37+-0.15.61+-0.1Mg I
    Al I2...-0.32+-0.21...-2.61+-0.21-0.25+-0.213.84+-0.21Al I
    Si I1...0.06...-2.210.155.30Si I
    Ca I7...0.2+-0.06...-2.09+-0.060.27+-0.064.25+-0.06Ca I
    Sc II3...0.07+-0.01...-2.29+-0.010.07+-0.010.86+-0.01Sc II
    Ti I3...0.33+-0.07...-1.94+-0.070.42+-0.073.01+-0.07Ti I
    Ti II19...0.35+-0.18...-1.92+-0.180.44+-0.183.03+-0.18Ti II
    Cr I4...-0.33+-0.09...-2.61+-0.09-0.25+-0.093.03+-0.09Cr I
    Mn I2...-0.31+-0.18...-2.66+-0.18-0.30+-0.182.77+-0.18Mn I
    Fe IN/A-2.31+-0.13......-2.36+-0.13...5.14+-0.13Fe I
    Fe II10-2.33+-0.11-0.02+-0.11...-2.38+-0.11-0.02+-0.115.12+-0.11Fe II
    Co I4...0.26+-0.23...-2.12+-0.230.24+-0.232.87+-0.23Co I
    Ni I2...-0.11+-0.06...-2.39+-0.06-0.03+-0.063.83+-0.06Ni I
    Sr II2...-0.12+-0.04...-2.40+-0.04-0.04+-0.040.47+-0.04Sr II
    Ba II2...-0.24+-0.03...-2.60+-0.03-0.24+-0.03-0.42+-0.03Ba II
    Nd II1...<1.55...<-0.68<1.68<0.74Nd II
    Eu II2...<0.89+-0.01...<-1.43+-0.01<0.93+-0.01<-0.91+-0.01Eu II

    Binary Parameters

    Vrad -73.5

    Position

    Right Ascension : 10 50 57.84 Declination : +34 01 30.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2002-05 N/A KECKHIRES 36000 75 4500 -73.5