2MASSJ221844.15-374404.5

  • WISEAJ221844.15-374404.5 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 : 4529+-100 log g : 0.68+-0.2 vturb : 3.28+-0.1

    Binary Parameters

    Vrad -244.2

    Position

    Right Ascension : 22 18 44.20 Declination : -37 44 05.0 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 -244.2
    2014-07-08 N/A MIKELCO 41000 50 N/A -244.2

    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 : 4632 log g : 1.30

    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...-0.20...-2.76-0.085.67C
    FeN/A-2.68......-2.68...4.82Fe

    Position

    Right Ascension : 22 18 44.16 Declination : -37 44 06.0 Galactic Longitude (l) : 4.815 Galactic Latitude (b) : -56.344

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2016-09-11 N/A GEMINIGMOS 2000 >30 N/A N/A