LAMOSTJ103745.92+253134.2

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 : 6569+-423 log g : 4.37+0.16-0.28 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...+3.66+-0.202.21+-0.20-1.05+-0.201.45+-0.202.21+-0.20Li I
CN/A...+1.10...-1.401.107.03C
Na I2...-0.41+-0.063.33+-0.06-2.91+-0.06-0.41+-0.063.33+-0.06Na I
Mg I4...+0.30+-0.035.40+-0.03-2.20+-0.030.30+-0.035.40+-0.03Mg I
Ca I4...+0.12+-0.033.96+-0.03-2.38+-0.030.12+-0.033.96+-0.03Ca I
Cr I1...-0.24+-0.092.90+-0.09-2.74+-0.09-0.24+-0.092.90+-0.09Cr I
Fe I21-2.50+-0.050.00+-0.055.00+-0.05-2.50+-0.050.00+-0.055.00+-0.05Fe I
Ni I1...+0.34+-0.094.06+-0.09-2.16+-0.090.34+-0.094.06+-0.09Ni I

Binary Parameters

Vrad +28.7

Position

Right Ascension : 10 37 45.92 Declination : +25 31 34.2 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2020-01-20 N/A GEMINIGRACES 45000 46 4500 +28.7