J010839.5-285701

  • SMSSJ010839.58-285701.5 in H.R.Jacobson+,ApJ, 807, 171, 2015

    • taken from 2 paper(s):

    /H.R.Jacobson et al.(2015)/ /G.R.Ruchti et al.(2011)/

    H.R.Jacobson et al.,ApJ, 807, 171, 2015(ADS)

    High-Resolution Spectroscopic Study of Extremely Metal-Poor Star Candidates from the SkyMapper Survey


    Stellar Parameters

    Teff : 4855 log g : 1.55 vturb : 1.90

    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
    Li1......0.80-2.460.560.80Li
    C2-2.800.225.62-2.810.215.62C
    Na2-2.050.974.19-2.050.974.19Na
    Mg5-2.570.455.03-2.570.455.03Mg
    Al1-3.51-0.492.94-3.51-0.492.94Al
    Si1-2.530.494.98-2.530.494.98Si
    Ca15-2.600.423.74-2.600.423.74Ca
    Sc1-2.950.070.20-2.950.070.20Sc
    Ti I10-2.790.242.17-2.780.242.17Ti I
    Ti II29-2.710.312.24-2.710.312.24Ti II
    Cr I4-3.26-0.242.38-3.26-0.242.38Cr I
    Mn3-3.20-0.182.23-3.20-0.182.23Mn
    Fe I169-3.020.004.48-3.020.004.48Fe I
    Fe II11-3.02-0.004.48-3.02-0.004.48Fe II
    Co4-2.860.162.13-2.860.162.13Co
    Ni4-3.04-0.023.18-3.04-0.023.18Ni
    Zn2-2.700.321.86-2.700.321.86Zn
    Sr2-3.31-0.29-0.43-3.30-0.28-0.43Sr
    Ba2-3.27-0.25-1.08-3.26-0.24-1.08Ba
    Eu1<-2.67<0.35<-2.15<-2.67<0.35<-2.15Eu

    Binary Parameters

    Vrad 137.7

    Position

    Right Ascension : 01 08 39.58 Declination : -28 57 01.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2013-01-08 N/A MIKELCO 28000 42-56 600 137.7

    G.R.Ruchti et al.,ApJ, 737, 9, 2011(ADS)

    Observational Properties of the Metal-poor Thick Disk of the Milky Way and Insights into its Origins


    Stellar Parameters

    Teff : 5113 log g : 2.27 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
    MgN/A...0.27+-0.1...-2.39+-0.10.25+-0.15.21+-0.1Mg
    SiN/A...0.38+-0.1...-2.22+-0.10.42+-0.15.29+-0.1Si
    CaN/A...0.33+-0.1...-2.29+-0.10.35+-0.14.05+-0.1Ca
    Ti IN/A...0.24+-0.1...-2.33+-0.10.31+-0.12.62+-0.1Ti I
    Ti IIN/A...0.24+-0.1...-2.33+-0.10.31+-0.12.62+-0.1Ti II
    FeN/A-2.64......-2.64...4.86Fe

    Position

    Right Ascension : 01 08 39.58 Declination : -28 57 01.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2008-10-15 N/A MIKELCO 40000 180 N/A N/A