SDSSJ021958-084955

taken from 1 paper(s):

/D.S.Aguado et al.(2016)/


D.S.Aguado et al.,AAP, 593, 10, 2016(ADS)

Follow-up observations of extremely metal-poor stars identified from SDSS


Stellar Parameters

Teff : 5700 log g : 4.0 vturb : 2.0

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...0.35<5.6<-2.830.82<5.6C
Mg IN/A......4.2±0.2-3.400.254.2±0.2Mg I
CaN/A......3.2±0.2-3.140.513.2±0.2Ca
Ca IN/A......<3.2<-3.14<0.51<3.2Ca I
FeN/A-3.6±0.2......-3.65...3.85Fe
Fe IN/A......4.0±0.2-3.50...4.0±0.2Fe I
Fe IIN/A......3.9±0.2-3.60...3.9±0.2Fe II
Sr IIN/A......<0.7<-2.17<1.48<0.7Sr II

Position

Right Ascension : 02 19 58.25 Declination : -08 49 55.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2012-08-18 N/A WHTISIS 5400 80 4800 N/A
2012-12-06 N/A HRSHET 15000 52 27200 N/A