LAMOSTJ234117.38+273557.7

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 : 4628+-46 log g : 0.96+0.17-0.15 vturb : 2.3

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
CN/A...+0.03...-3.140.035.29C
Na I2...+0.74+-0.103.81+-0.10-2.43+-0.100.74+-0.103.81+-0.10Na I
Mg I4...+0.36+-0.044.79+-0.04-2.81+-0.040.36+-0.044.79+-0.04Mg I
K I1...+0.59+-0.122.45+-0.12-2.58+-0.120.59+-0.122.45+-0.12K I
Ca I10...+0.25+-0.043.42+-0.04-2.92+-0.040.25+-0.043.42+-0.04Ca I
Sc II4...+0.09+-0.070.07+-0.07-3.08+-0.070.09+-0.070.07+-0.07Sc II
Cr I5...-0.38+-0.042.09+-0.04-3.55+-0.04-0.38+-0.042.09+-0.04Cr I
Fe I88-3.17+-0.070.00+-0.074.33+-0.07-3.17+-0.070.00+-0.074.33+-0.07Fe I
Ni I2...+0.07+-0.093.12+-0.09-3.10+-0.090.07+-0.093.12+-0.09Ni I
Ba II2...-1.61+-0.06-2.60+-0.06-4.78+-0.06-1.61+-0.06-2.60+-0.06Ba II

Binary Parameters

Vrad -182.3

Position

Right Ascension : 23 41 17.38 Declination : +27 35 57.7 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 77 3600 -182.3