2MASSJ200426.29-441911.4

  • WISEAJ200426.29-441911.4 in V.M.Placco+,ApJ, 870, 122, 2019

    • taken from 2 paper(s):

    /K.C.Schlaufman and A. R. Casey(2014)/ /V.M.Placco et al.(2019)/

    K.C.Schlaufman et al.,ApJ, 797, 13, 2014(ADS)

    The Best and Brightest Metal-poor Stars


    Stellar Parameters

    Teff : 4972+-100 log g : 1.34+-0.2 vturb : 2.72+-0.1

    Binary Parameters

    Vrad 49.3

    Position

    Right Ascension : 20 04 26.30 Declination : -44 19 11.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2014-06-21 N/A MIKELCO 41000 50 N/A 49.3
    2014-07-08 N/A MIKELCO 41000 50 N/A 49.3

    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 : 5188 log g : 2.15

    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
    CN/A...-0.41...-2.98-0.295.45C
    FeN/A-2.69......-2.69...4.81Fe

    Position

    Right Ascension : 20 04 26.40 Declination : -44 19 12.0 Galactic Longitude (l) : 355.524 Galactic Latitude (b) : -31.197

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2016-07-17 N/A NTTEFOSC2 1200 >30 N/A N/A