SDSSJ224145.05+292426.1

taken from 1 paper(s):

/M.Jeong et al.(2023)/

M.Jeong et al.,ApJ, 948, 38, 2023(ADS)

Search for Extremely Metal-poor Stars with Gemini-N/Graces. I. Chemical-abundance Analysis


Stellar Parameters

Teff : 6608+-152 log g : 3.94+0.05-0.02 vturb : 0.7

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...<+1.30...<-1.41<1.30<7.02C
Na I2...-0.60+-0.152.93+-0.15-3.31+-0.15-0.60+-0.152.93+-0.15Na I
Mg I2...-0.61+-0.154.28+-0.15-3.32+-0.15-0.61+-0.154.28+-0.15Mg I
Fe I3-2.71+-0.130.00+-0.134.79+-0.13-2.71+-0.130.00+-0.134.79+-0.13Fe I
Ba II1...<-0.50+-0.20<-1.03+-0.20<-3.21+-0.20<-0.50+-0.20<-1.03+-0.20Ba II

Binary Parameters

Vrad -218.1

Position

Right Ascension : 22 41 45.05 Declination : +29 24 26.1 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2018-09-03 N/A GEMINIGRACES 45000 49 2400 -218.1