BD+01_3597

  • G20-24 in P.E.Nissen+,AAP, 390, 235, 2002

    • taken from 8 paper(s):

    /P.E.Nissen et al.(2002)/ /M.Asplund et al.(2006)/ /E.Caffau et al.(2005)/ /K.F.Tan et al.(2009)/ /C.Charbonnel and F. Primas(2005)/ /J.Melendez et al.(2010)/ /C.J.Hansen et al.(2012)/ /A.MerchantBoesgaard et al.(2011)/

    P.E.Nissen et al.,AAP, 390, 235, 2002(ADS)

    O/Fe in metal-poor main sequence and subgiant stars


    Stellar Parameters

    Teff : 6440 log g : 4.30 vturb : 1.5

    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
    [O I]N/A...0.38...-1.220.537.47[O I]
    FeN/A-1.78......-1.75...5.75Fe

    Position

    Right Ascension : 18 07 56.60 Declination : +01 52 32.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2000-04 N/A VLT 55000 300-400 N/A N/A

    M.Asplund et al.,ApJ, 644, 229, 2006(ADS)

    Lithium Isotopic Abundances in Metal-poor Halo Stars


    Stellar Parameters

    Teff : 6247 log g : 3.98 vturb : 1.5

    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
    LiN/A......2.21+-0.01-1.05+-0.010.84+-0.012.21+-0.01Li
    ON/A-1.35......-1.300.597.39O
    FeN/A-1.89......-1.89...5.61Fe

    Isotopic Ratio

    6Li/7Li 0.070+-0.017

    Binary Parameters

    Vrad 34.5

    Position

    Right Ascension : 18 07 56.60 Declination : +01 52 32.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2000-07-24-0219 N/A VLT 120000 430 90 34.2
    2000-07-25-0247 N/A VLT 120000 420 90 34.5

    E.Caffau et al.,AAP, 441, 533, 2005(ADS)

    Sulphur abundance in Galactic stars


    Position

    Right Ascension : 18 07 56.60 Declination : +01 52 32.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2452149.4717 VLT 43000 130 N/A N/A

    K.F.Tan et al.,MNRAS, 392, 205, 2009(ADS)

    Beryllium abundances in metal-poor stars


    Stellar Parameters

    Teff : 6190+-80 log g : 3.90+-0.15 vturb : 1.5+-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
    LiN/A......2.19-1.070.842.19Li
    BeN/A......-0.72+-0.17-2.10+-0.17-0.19+-0.17-0.72+-0.17Be
    ON/A-1.19......-1.110.807.58O
    FeN/A-1.92......-1.91...5.59Fe

    Position

    Right Ascension : 18 07 56.60 Declination : +01 52 32.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2008-04-10 N/A VLT 48000 N/A N/A N/A

    C.Charbonnel et al.,AAP, 442, 961, 2005(ADS)

    The lithium content of the Galactic Halo stars


    Stellar Parameters

    Teff : 6504 log g : 4.00

    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......2.350+0.048-0.052-0.91+0.048-0.0521.49+0.048-0.0522.350+0.048-0.052Li I
    FeN/A-2.40+-0.100......-2.40+-0.100...5.10+-0.100Fe

    Position

    Right Ascension : 18 07 56.60 Declination : +01 52 32.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    J.Melendez et al.,AAP, 515, L3, 2010(ADS)

    Observational evidence for a broken Li Spite plateau and mass-dependent Li depletion


    Stellar Parameters

    Teff : 6289+-50 log g : 4.04

    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
    LiN/A......2.22+-0.035-1.04+-0.0350.83+-0.0352.22+-0.035Li
    FeN/A-1.87......-1.87...5.63Fe

    Position

    Right Ascension : 18 07 56.60 Declination : +01 52 32.7 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 FIESNOT 35000 N/A N/A N/A

    C.J.Hansen et al.,AAP, 545, A31, 2012(ADS)

    Silver and palladium help unveil the nature of a second r-process


    Stellar Parameters

    Teff : 6482+-100 log g : 4.47+-0.25 vturb : 1.5+-0.15

    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+-0.15......-1.90+-0.15...5.60+-0.15Fe
    SrN/A...0.22+-0.11...-1.68+-0.110.22+-0.111.19+-0.11Sr
    YN/A...0.17+-0.12...-1.73+-0.120.17+-0.120.48+-0.12Y
    ZrN/A...0.56+-0.15...-1.34+-0.150.56+-0.151.24+-0.15Zr
    PdN/A...0.77+-0.27...-1.13+-0.270.77+-0.270.44+-0.27Pd
    BaN/A...0.32+-0.14...-1.58+-0.140.32+-0.140.60+-0.14Ba

    Position

    Right Ascension : 18 07 56.60 Declination : +01 52 32.7 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 VLT 40000 >100 N/A N/A

    A.MerchantBoesgaard et al.,ApJ, 743, 140, 2011(ADS)

    Beryllium and Alpha-element Abundances in a Large Sample of Metal-poor Stars


    Stellar Parameters

    Teff : 6222 log g : 4.07 vturb : 1.14

    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
    BeN/A...-0.10-0.57-1.95-0.10-0.57Be
    ON/A-1.41+0.48...-1.47+0.487.22O

    Position

    Right Ascension : Declination : Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2007-06-10 N/A KECKHIRES 42000 110 3600 N/A