BD+18_2890

  • HIP71087 in K.A.Venn+,AJ, 128, 1177, 2004

    • taken from 6 paper(s):

    /D.L.Burris et al.(2000)/ /J.A.Johnson(2002)/ /J.P.Fulbright and J. A. Johnson(2003)/ /B.W.Carney et al.(2003)/ /J.A.Johnson and M. Bolte(2002)/ /J.A.Johnson and M. Bolte(2001)/

    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 : 5000 log g : 2.20 vturb : 1.30

    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-1.58......-1.41...6.09Fe
    BaN/A...0.260.81-1.370.040.81Ba

    Position

    Right Ascension : 14 32 13.49 Declination : +17 25 24.3 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

    J.A.Johnson et al.,ApJS, 139, 219, 2002(ADS)

    ABUNDANCES OF 30 ELEMENTS IN 23 METAL-POOR STARS


    Stellar Parameters

    Teff : 4900 log g : 2.00 vturb : 1.50

    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
    Na I2......4.54+-0.19-1.70+-0.190.01+-0.194.54+-0.19Na I
    Mg I5......6.44+-0.15-1.16+-0.150.55+-0.156.44+-0.15Mg I
    Al I1......4.10+-0.21-2.35+-0.21-0.64+-0.214.10+-0.21Al I
    Si I4......6.28+-0.13-1.23+-0.130.48+-0.136.28+-0.13Si I
    Ca I25......5.06+-0.13-1.28+-0.130.43+-0.135.06+-0.13Ca I
    Sc II10......1.51+-0.18-1.64+-0.180.07+-0.181.51+-0.18Sc II
    Ti I33......3.40+-0.16-1.55+-0.160.16+-0.163.40+-0.16Ti I
    Ti II18......3.55+-0.16-1.40+-0.160.31+-0.163.55+-0.16Ti II
    V I1......2.22+-0.16-1.71+-0.160.00+-0.162.22+-0.16V I
    V II1......2.60+-0.16-1.33+-0.160.38+-0.162.60+-0.16V II
    Cr I14......3.84+-0.17-1.80+-0.17-0.09+-0.173.84+-0.17Cr I
    Cr II2......4.20+-0.10-1.44+-0.100.27+-0.104.20+-0.10Cr II
    Mn I6......3.36+-0.12-2.07+-0.12-0.36+-0.123.36+-0.12Mn I
    Fe I165......5.79+-0.20-1.71+-0.20...5.79+-0.20Fe I
    Fe II21......5.77+-0.16-1.73+-0.16...5.77+-0.16Fe II
    Co I4......3.39+-0.34-1.60+-0.340.11+-0.343.39+-0.34Co I
    Ni I34......4.50+-0.13-1.72+-0.13-0.01+-0.134.50+-0.13Ni I
    Zn I2......2.89+-0.09-1.67+-0.090.04+-0.092.89+-0.09Zn I
    Y II5......0.38+-0.16-1.83+-0.16-0.12+-0.160.38+-0.16Y II
    Zr II3......1.03+-0.14-1.55+-0.140.16+-0.141.03+-0.14Zr II
    Ba II4......0.63+-0.29-1.55+-0.290.16+-0.290.63+-0.29Ba II
    La II4......-0.42+-0.15-1.52+-0.150.19+-0.15-0.42+-0.15La II
    Ce II5......-0.08+-0.17-1.66+-0.170.05+-0.17-0.08+-0.17Ce II
    Nd II10......0.12+-0.16-1.30+-0.160.41+-0.160.12+-0.16Nd II
    Sm II5......-0.20+-0.15-1.16+-0.150.55+-0.15-0.20+-0.15Sm II
    Eu II1......-0.80+-0.24-1.32+-0.240.39+-0.24-0.80+-0.24Eu II
    Tb IIN/A......<-0.59<-0.91<0.80<-0.59Tb II
    Dy II3......-0.15+-0.18-1.25+-0.180.46+-0.18-0.15+-0.18Dy II
    Os IN/A......<0.61<-0.79<0.92<0.61Os I

    Position

    Right Ascension : 14 32 13.49 Declination : +17 25 24.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    1999-03-08 N/A LICKHAMILTON 60000 70 3600 N/A

    J.P.Fulbright et al.,ApJ, 595, 1154, 2003(ADS)

    Oxygen Abundances in Metal-poor Stars


    Stellar Parameters

    Teff : 4975 log g : 2.15 vturb : 1.3

    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
    O IN/A...0.57+-0.087.57+-0.1-1.12+-0.10.55+-0.087.57+-0.1O I
    FeN/A-1.69......-1.67...5.83Fe
    Fe IN/A......6.01+-0.08-1.49+-0.08...6.01+-0.08Fe I
    Fe IIN/A......5.83+-0.05-1.67+-0.05...5.83+-0.05Fe II

    Position

    Right Ascension : 14 32 13.49 Declination : +17 25 24.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2001-04-05 N/A GECKOCFHT 130000 120 1800 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 : 4970 log g : 2.5

    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-1.61......-1.61...5.89Fe

    Binary Parameters

    Binarity Positive
    Vrad -26.65
    Period 476.0

    Position

    Right Ascension : 14 32 13.49 Declination : +17 25 24.3 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 2445785.74072 WYETH N/A N/A N/A -17.45+-0.50
    N/A 2445874.68120 WYETH N/A N/A N/A -24.48+-0.77
    N/A 2445952.50112 WYETH N/A N/A N/A -31.77+-0.54
    N/A 2446075.95588 WYETH N/A N/A N/A -32.52+-0.64
    N/A 2446133.78142 WYETH N/A N/A N/A -26.65+-0.64
    N/A 2446140.68827 WYETH N/A N/A N/A -25.67+-0.61
    N/A 2446167.83953 WYETH N/A N/A N/A -22.48+-0.48
    N/A 2446183.83518 WYETH N/A N/A N/A -21.59+-0.92
    N/A 2446219.66183 WYETH N/A N/A N/A -18.73+-0.47
    N/A 2446241.64705 WYETH N/A N/A N/A -17.94+-0.57
    N/A 2446247.58227 WYETH N/A N/A N/A -17.94+-0.54
    N/A 2446251.69517 WYETH N/A N/A N/A -18.32+-0.54
    N/A 2446283.56534 WYETH N/A N/A N/A -18.52+-0.66
    N/A 2446429.90752 WYETH N/A N/A N/A -33.35+-0.63
    N/A 2446488.86041 WYETH N/A N/A N/A -35.50+-0.50
    N/A 2446491.92075 WYETH N/A N/A N/A -36.03+-0.53
    N/A 2446510.78661 WYETH N/A N/A N/A -35.48+-0.54
    N/A 2446552.78304 WYETH N/A N/A N/A -33.17+-0.54
    N/A 2446578.71992 WYETH N/A N/A N/A -30.56+-0.65
    N/A 2446596.65840 WYETH N/A N/A N/A -27.50+-0.57
    N/A 2446770.93941 WYETH N/A N/A N/A -18.83+-0.55
    N/A 2446788.93006 WYETH N/A N/A N/A -21.15+-0.55
    N/A 2446803.94686 WYETH N/A N/A N/A -21.97+-0.48
    N/A 2446819.86169 WYETH N/A N/A N/A -22.62+-0.82
    N/A 2446831.90524 WYETH N/A N/A N/A -24.53+-0.60

    J.A.Johnson et al.,ApJ, 579, 616, 2002(ADS)

    The r-Process in the Early Galaxy


    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-1.73......-1.56...5.94Fe
    Sr IIN/A......1.21+-0.30-1.66+-0.30-0.10+-0.301.21+-0.30Sr II
    Y IIN/A......0.38+-0.16-1.83+-0.16-0.27+-0.160.38+-0.16Y II
    Zr IIN/A......1.03+-0.14-1.55+-0.140.01+-0.141.03+-0.14Zr II
    Ba IIN/A......0.63+-0.29-1.55+-0.290.01+-0.290.63+-0.29Ba II

    Position

    Right Ascension : 14 32 13.49 Declination : +17 25 24.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    1999-03-08 N/A LICKHAMILTON 60000 70 3600 N/A

    J.A.Johnson et al.,ApJ, 554, 888, 2001(ADS)

    Th Ages for Metal-poor Stars


    Stellar Parameters

    Teff : 4900 log g : 2.00 vturb : 1.50

    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
    Fe I165-1.73+-0.20......-1.56+-0.20...5.94+-0.20Fe I
    Fe II21-1.75+-0.16......-1.58+-0.16...5.92+-0.16Fe II
    Ba II4...0.24+-0.29...-1.54+-0.290.02+-0.290.64+-0.29Ba II
    La II4...0.10+-0.15...-1.51+-0.150.05+-0.15-0.41+-0.15La II
    Ce II5...0.11+-0.17...-1.59+-0.17-0.03+-0.17-0.01+-0.17Ce II
    Nd II10...0.36+-0.16...-1.29+-0.160.27+-0.160.13+-0.16Nd II
    Sm II5...0.54+-0.15...-1.15+-0.150.41+-0.15-0.19+-0.15Sm II
    Eu II1...0.43+-0.24...-1.31+-0.240.25+-0.24-0.79+-0.24Eu II
    Tb IIN/A...<0.82...<-0.90<0.66<-0.58Tb II
    Dy II3...0.49+-0.18...-1.24+-0.180.32+-0.18-0.14+-0.18Dy II
    Os IN/A...<0.90...<-0.78<0.78<0.62Os I

    Position

    Right Ascension : 14 32 13.49 Declination : +17 25 24.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    1999-03-08 N/A LICKHAMILTON 60000 70 3600 N/A