SDSSJ144256-001542

  • SDSSJ144256.37-001542.8 in P.Bonifacio+,AAP, 612, A65, 2018

    • taken from 2 paper(s):

    /E.Caffau et al.(2013)/ /P.Bonifacio et al.(2018)/

    E.Caffau et al.,AAP, 560, A15, 2013(ADS)

    X-shooter GTO: evidence for a population of extremely metal-poor, alpha-poor stars


    Stellar Parameters

    Teff : 5850 log g : 4.0 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
    Mg1-3.82+-0.18......-3.84+-0.180.25+-0.183.76+-0.18Mg
    Ca I1-3.80+-0.19......-3.78+-0.190.31+-0.192.56+-0.19Ca I
    Ca II2-3.69+-0.08......-3.67+-0.080.42+-0.082.67+-0.08Ca II
    FeN/A-4.09......-4.09...3.41Fe

    Binary Parameters

    Binarity Negative
    Vrad 225

    Position

    Right Ascension : 14 42 56.37 Declination : -00 15 42.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2012-07-10 N/A VLTXSH 12000 40 10890 225

    P.Bonifacio et al.,AAP, 612, A65, 2018(ADS)

    TOPoS. IV. Chemical abundances from high-resolution observations of seven extremely metal-poor stars


    Stellar Parameters

    Teff : 5850 log g : 4.0 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......<1.58<-1.68<2.69<1.58Li
    CN/A......6.02-2.411.966.02C
    C IN/A-2.48......-2.362.016.07C I
    Mg IN/A-4.19+-0.05......-4.21+-0.050.16+-0.053.39+-0.05Mg I
    Al IN/A<-4.68......<-4.66<-0.29<1.79Al I
    Si IN/A-4.53......-4.49-0.123.02Si I
    Ca IN/A-4.48......-4.46-0.091.88Ca I
    Ti IN/A-2.33......-2.262.112.69Ti I
    Ti IIN/A-2.44......-2.372.002.58Ti II
    Fe IN/A-4.37+-0.16......-4.37+-0.16...3.13+-0.16Fe I

    Position

    Right Ascension : 14 42 56.37 Declination : -00 15 42.8 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 30000 3-60 N/A
    N/A N/A N/A N/A 9015 N/A