LAMOSTJ165056.88+480240.6

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 : 6800+-335 log g : 3.95+0.02-0.05 vturb : 1.3

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
Li I1...+3.47+-0.202.35+-0.20-0.91+-0.201.25+-0.202.35+-0.20Li I
CN/A...<+0.30...<-1.86<0.30<6.57C
Na I2...-0.60+-0.103.48+-0.10-2.76+-0.10-0.60+-0.103.48+-0.10Na I
Mg I4...+0.13+-0.075.57+-0.07-2.03+-0.070.13+-0.075.57+-0.07Mg I
K I1...+0.69+-0.143.56+-0.14-1.47+-0.140.69+-0.143.56+-0.14K I
Ca I6...+0.35+-0.044.53+-0.04-1.81+-0.040.35+-0.044.53+-0.04Ca I
Cr I2...-0.22+-0.103.26+-0.10-2.38+-0.10-0.22+-0.103.26+-0.10Cr I
Fe I25-2.17+-0.050.00+-0.055.34+-0.05-2.16+-0.050.00+-0.055.34+-0.05Fe I
Ni I2...+0.73+-0.104.79+-0.10-1.43+-0.100.73+-0.104.79+-0.10Ni I
Ba II1...<-0.64+-0.20<-0.63+-0.20<-2.81+-0.20<-0.65+-0.20<-0.63+-0.20Ba II

Binary Parameters

Vrad -26.1

Position

Right Ascension : 16 50 56.88 Declination : +48 02 40.6 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 43 600 -26.1