CS29493-090

  • HE2156-3130 in P.S.Barklem+,AAP, 439, 129, 2005

    • taken from 3 paper(s):

    /J.A.Johnson et al.(2007)/ /T.Masseron et al.(2012)/ /M.Spite et al.(2014)/

    J.A.Johnson et al.,ApJ, 658, 1203, 2007(ADS)

    A Search for Nitrogen-enhanced Metal-poor Stars


    Stellar Parameters

    Teff : 4739 log g : 1.56 vturb : 1.97

    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...+0.25+-0.295.99+-0.25-2.44+-0.250.36+-0.295.99+-0.25C
    NN/A...+0.45+-0.255.68+-0.25-2.15+-0.250.65+-0.255.68+-0.25N
    FeN/A-2.82+-0.21......-2.80+-0.21...4.70+-0.21Fe

    Position

    Right Ascension : 21 59 05.77 Declination : -31 16 12.1 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2003-09-04 N/A RCCTIO N/A 57 3600 N/A

    T.Masseron et al.,ApJ, 751, 14, 2012(ADS)

    LITHIUM ABUNDANCES IN CARBON-ENHANCED METAL-POOR STARS


    Stellar Parameters

    Teff : 4700 log g : 0.9 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
    LiN/A......<-0.2<-3.46<-0.16<-0.2Li
    CN/A......5.95+-0.05-2.48+-0.050.82+-0.055.95+-0.05C
    NN/A......5.90+-0.05-1.93+-0.051.37+-0.055.90+-0.05N
    ON/A......6.3+-0.2-2.39+-0.20.91+-0.26.3+-0.2O
    NaN/A......3.75+-0.05-2.49+-0.050.81+-0.053.75+-0.05Na
    MgN/A......5.30+-0.05-2.30+-0.051.00+-0.055.30+-0.05Mg
    FeN/A-3.25+-0.15......-3.30+-0.15...4.20+-0.15Fe
    BaN/A......-0.7+-0.1-2.88+-0.10.42+-0.1-0.7+-0.1Ba
    EuN/A......<-3.5<-4.02<-0.72<-3.5Eu

    Isotopic Ratio

    12C/13C 6+-1

    Position

    Right Ascension : 21 59 05.77 Declination : -31 16 12.1 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2005-10-01 N/A VLT 45000 100 N/A N/A

    M.Spite et al.,AAP, 571, A40, 2014(ADS)

    The low Sr/Ba ratio on some extremely metal-poor stars


    Stellar Parameters

    Teff : 4700+-100 log g : 1.3+-0.2 vturb : 1.9+-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
    CHN/A...0.73+-0.1...-2.25+-0.10.85+-0.16.18+-0.1CH
    NN/A...1.51+-0.15...-1.45+-0.151.65+-0.156.38+-0.15N
    NaN/A...1.13+-0.1...-1.88+-0.11.22+-0.14.36+-0.1Na
    MgN/A...0.98+-0.13...-2.14+-0.130.96+-0.135.46+-0.13Mg
    CaN/A...0.27+-0.1...-2.81+-0.10.29+-0.13.53+-0.1Ca
    Ti IN/A...0.11+-0.05...-2.92+-0.050.18+-0.052.03+-0.05Ti I
    Ti IIN/A...0.17+-0.05...-2.86+-0.050.24+-0.052.09+-0.05Ti II
    FeN/A-3.10+-0.10......-3.10+-0.10...4.40+-0.10Fe
    Fe IN/A-3.14+-0.05......-3.14+-0.05...4.36+-0.05Fe I
    Fe IIN/A-3.07+-0.05......-3.07+-0.05...4.43+-0.05Fe II
    SrN/A...-1.02+-0.11...-4.02+-0.11-0.92+-0.11-1.15+-0.11Sr
    YN/A...-0.82+-0.1...-3.89+-0.1-0.79+-0.1-1.68+-0.1Y
    ZrN/A...-0.5+-0.1...-3.58+-0.1-0.48+-0.1-1.00+-0.1Zr
    BaN/A...0.43+-0.1...-2.72+-0.10.38+-0.1-0.54+-0.1Ba
    LaN/A...0.23+-0.12...-2.80+-0.120.30+-0.12-1.70+-0.12La
    CeN/A...0.19+-0.1...-2.91+-0.10.19+-0.1-1.33+-0.1Ce
    NdN/A...0.23+-0.11...-2.79+-0.110.31+-0.11-1.37+-0.11Nd
    EuN/A...-0.21+-0.11...-3.32+-0.11-0.22+-0.11-2.80+-0.11Eu
    PbN/A...1.15+-0.18...-1.93+-0.181.17+-0.180.11+-0.18Pb

    Isotopic Ratio

    12C/13C 5.5

    Binary Parameters

    Vrad 269.8

    Position

    Right Ascension : 21 59 05.77 Declination : -31 16 12.1 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2453637.67 VLT 40000 80 N/A 269.1
    2453645.68 VLT 40000 80 N/A 269.8
    2453645.72 VLT 40000 80 N/A 270.1