SMSSJ195931.70-643529.3

  • WISEAJ195931.71-643529.4 in V.M.Placco+,ApJ, 870, 122, 2019

    • taken from 2 paper(s):

    /H.R.Jacobson et al.(2015)/ /V.M.Placco et al.(2019)/

    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 : 4639 log g : 1.15 vturb : 2.90

    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
    C2-3.03-0.455.40-3.03-0.455.40C
    Na2-2.110.474.13-2.110.474.13Na
    Mg7-2.010.575.59-2.010.575.59Mg
    Al1-3.03-0.453.42-3.03-0.453.42Al
    Si2-2.040.545.47-2.040.545.47Si
    Ca21-2.140.444.20-2.140.444.20Ca
    Sc1-2.72-0.140.43-2.72-0.140.43Sc
    Ti I23-2.390.192.56-2.390.192.56Ti I
    Ti II35-2.160.412.79-2.160.422.79Ti II
    Cr I14-2.80-0.222.84-2.80-0.222.84Cr I
    Cr II1-2.360.223.28-2.360.223.28Cr II
    Mn3-2.97-0.392.46-2.97-0.392.46Mn
    Fe I188-2.580.004.92-2.580.004.92Fe I
    Fe II18-2.560.024.94-2.560.024.94Fe II
    Co4-2.69-0.112.30-2.69-0.112.30Co
    Ni6-2.560.013.66-2.560.023.66Ni
    Zn2-2.330.242.22-2.340.242.22Zn
    Sr2-2.380.200.49-2.380.200.49Sr
    Ba2-2.59-0.01-0.41-2.59-0.01-0.41Ba
    Eu1-1.840.74-1.32-1.840.74-1.32Eu

    Binary Parameters

    Vrad 285.0

    Position

    Right Ascension : 19 59 31.70 Declination : -64 35 29.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2012-09-08 N/A MIKELCO 28000 40-87 1200 286.1
    2013-10-28 N/A MIKELCO 35000 50-104 1870 285.0

    V.M.Placco et al.,ApJ, 870, 122, 2019(ADS)

    The R-Process Alliance: Spectroscopic Follow-up of Low-metallicity Star Candidates from the Best & Brightest Survey


    Stellar Parameters

    Teff : 4592 log g : 0.80

    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...-0.36...-2.97-0.245.46C
    FeN/A-2.73......-2.73...4.77Fe

    Position

    Right Ascension : 19 59 31.68 Declination : -64 35 27.6 Galactic Longitude (l) : 331.721 Galactic Latitude (b) : -31.579

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2016-07-16 N/A NTTEFOSC2 1200 >30 N/A N/A