HD023798

  • HD23798 in R.G.Gratton+,AAP, 354, 169, 2000

    • taken from 7 paper(s):

    /R.G.Gratton et al.(2000)/ /J.P.Fulbright and J. A. Johnson(2003)/ /J.Simmerer et al.(2004)/ /B.W.Carney et al.(2003)/ /I.U.Roederer et al.(2010)/ /H.Jonsson et al.(2011)/ /M.Aoki et al.(2017)/

    R.G.Gratton et al.,AAP, 354, 169, 2000(ADS)

    Mixing along the red giant branch in metal-poor field stars


    Stellar Parameters

    Teff : 4487 log g : 1.07 vturb : 1.69

    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
    Li IN/A......0.00-3.26-1.180.00Li I
    CN/A...-0.81...-2.77-0.695.66C
    ON/A...0.32...-1.530.557.16O
    [O I]N/A...0.42...-1.430.657.26[O I]
    Fe IN/A-2.03......-2.08...5.42Fe I

    Isotopic Ratio

    12C/13C 5

    Position

    Right Ascension : 03 46 45.70 Declination : -30 51 13.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    1995-05 N/A CESESO 50000 80-150 N/A N/A
    1995-11 N/A CESESO 50000 80-150 N/A N/A
    1995-11 N/A MCDONALD 60000 70-100 N/A N/A

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

    Oxygen Abundances in Metal-poor Stars


    Stellar Parameters

    Teff : 4375 log g : 1.12 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
    O IN/A...0.75+-0.137.41+-0.11-1.28+-0.110.73+-0.137.41+-0.11O I
    FeN/A-2.03......-2.01...5.49Fe
    Fe IN/A......5.14+-0.08-2.36+-0.08...5.14+-0.08Fe I
    Fe IIN/A......5.49+-0.11-2.01+-0.11...5.49+-0.11Fe II

    Position

    Right Ascension : 03 46 45.70 Declination : -30 51 13.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2001-09-30 N/A GECKOCFHT 130000 200 900 N/A
    2002-01-07 N/A MAYALLKPNO 40000 80 900 N/A

    J.Simmerer et al.,ApJ, 617, 1091, 2004(ADS)

    The Rise of the s-Process in the Galaxy


    Stellar Parameters

    Teff : 4450 log g : 1.06 vturb : 2.50

    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
    CN/A...-0.55...-2.63-0.375.80C
    Fe I7-2.26......-2.26...5.24Fe I
    Fe II7-2.17......-2.17...5.33Fe II
    La IIN/A......-1.01+-0.12-2.11+-0.120.15+-0.12-1.01+-0.12La II
    Eu IIN/A......-1.36+-0.05-1.88+-0.050.38+-0.05-1.36+-0.05Eu II

    Position

    Right Ascension : 03 46 45.70 Declination : -30 51 13.0 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 MCDONALD 60000 100 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 : 4310 log g : 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
    FeN/A-1.90......-1.90...5.60Fe

    Binary Parameters

    Vrad 89.43

    Position

    Right Ascension : 03 46 45.70 Declination : -30 51 13.0 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 2446362.96783 TILLINGHAST N/A N/A N/A 89.68+-0.42
    N/A 2446401.78900 TILLINGHAST N/A N/A N/A 88.83+-0.41
    N/A 2446787.71699 TILLINGHAST N/A N/A N/A 89.75+-0.33
    N/A 2447136.79971 TILLINGHAST N/A N/A N/A 89.75+-0.39
    N/A 2447460.91417 TILLINGHAST N/A N/A N/A 90.15+-0.36
    N/A 2447843.79947 TILLINGHAST N/A N/A N/A 89.43+-0.38
    N/A 2448876.02775 TILLINGHAST N/A N/A N/A 89.21+-0.39
    N/A 2449374.63523 MMT N/A N/A N/A 90.44+-0.50
    N/A 2450799.72249 MMT N/A N/A N/A 88.32+-0.36
    N/A 2450822.67207 MMT N/A N/A N/A 88.76+-0.38

    I.U.Roederer et al.,ApJ, 724, 975, 2010(ADS)

    THE UBIQUITY OF THE RAPID NEUTRON-CAPTURE PROCESS


    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-2.26......-2.26...5.24Fe
    Zn IN/A......2.39-2.170.092.39Zn I
    Y IIN/A......-0.19-2.40-0.14-0.19Y II
    Pb IN/A......-0.21-2.250.01-0.21Pb I

    Position

    Right Ascension : 03 46 45.70 Declination : -30 51 13.0 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 MCDONALD 60000 100 N/A N/A

    H.Jonsson et al.,AAP, 530, A144, 2011(ADS)

    Sulphur abundances in halo giants from the [SI] line at 1082 nm and the SI triplet around 1045 nm


    Stellar Parameters

    Teff : 4375+-82 log g : 1.12+-0.2 vturb : 2.20+-0.5

    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
    SiN/A......5.62-1.890.145.62Si
    S IN/A......5.65+-0.04-1.47+-0.040.56+-0.045.65+-0.04S I
    [S I]N/A......5.48-1.640.395.48[S I]
    FeN/A-2.03+-0.13......-2.03+-0.13...5.47+-0.13Fe

    Position

    Right Ascension : 03 46 45.70 Declination : -30 51 13.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2007-10-31 N/A VLTCRIRES 80000 500-520 1680 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 : 4450 log g : 1.06 vturb : 2.17

    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-2.26......-2.26...5.24Fe
    Sr II2...0.25+-0.190.86+-0.19-2.01+-0.190.25+-0.190.86+-0.19Sr II
    Y II4...0.01+-0.26-0.04+-0.26-2.25+-0.260.01+-0.26-0.04+-0.26Y II
    Zr II9...0.39+-0.200.71+-0.20-1.87+-0.200.39+-0.200.71+-0.20Zr II
    Mo I1...0.27+-0.25-0.11+-0.25-1.99+-0.250.27+-0.25-0.11+-0.25Mo I
    Ru I2...0.34+-0.28-0.17+-0.28-1.92+-0.280.34+-0.28-0.17+-0.28Ru I
    Pd I1...-0.05+-0.21-0.74+-0.21-2.31+-0.21-0.05+-0.21-0.74+-0.21Pd I
    Ba II5...-0.02+-0.18-0.10+-0.18-2.28+-0.18-0.02+-0.18-0.10+-0.18Ba II
    La II3...0.17+-0.17-0.99+-0.17-2.09+-0.170.17+-0.17-0.99+-0.17La II
    Ce II5...0.02+-0.18-0.66+-0.18-2.24+-0.180.02+-0.18-0.66+-0.18Ce II
    Nd II6...0.17+-0.18-0.67+-0.18-2.09+-0.180.17+-0.18-0.67+-0.18Nd II
    Eu II3...0.24+-0.19-1.50+-0.19-2.02+-0.190.24+-0.19-1.50+-0.19Eu II

    Binary Parameters

    Vrad 89.3+-0.6

    Position

    Right Ascension : 03 46 45.70 Declination : -30 51 13.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2007-02-08 N/A SUBARUHDS 90000 480 15600 89.3+-0.6