J2242+2720

taken from 1 paper(s):

/H.Li et al.(2022)/

H.Li et al.,ApJ, 931, 147, 2022(ADS)

Four-hundred Very Metal-poor Stars Studied with LAMOST and Subaru. II. Elemental Abundances


Stellar Parameters

Teff : 4759+-78 log g : 1.56+-0.12 vturb : 1.81+-0.08

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
C1...0.06+-0.144.76+-0.14-3.67+-0.140.06+-0.144.76+-0.14C
Na I2...-0.24+-0.082.27+-0.08-3.97+-0.08-0.24+-0.082.27+-0.08Na I
Mg I7...0.59+-0.104.46+-0.10-3.14+-0.100.59+-0.104.46+-0.10Mg I
Si I1...0.54+-0.114.32+-0.11-3.19+-0.110.54+-0.114.32+-0.11Si I
Ca I5...0.17+-0.112.78+-0.11-3.56+-0.110.17+-0.112.78+-0.11Ca I
Sc II8...0.19+-0.11-0.39+-0.11-3.54+-0.110.19+-0.11-0.39+-0.11Sc II
Ti II21...0.25+-0.151.47+-0.15-3.48+-0.150.25+-0.151.47+-0.15Ti II
Cr I5...-0.46+-0.191.45+-0.19-4.19+-0.19-0.46+-0.191.45+-0.19Cr I
Fe I89...0.00+-0.113.77+-0.11-3.73+-0.110.00+-0.113.77+-0.11Fe I
Fe II10...0.14+-0.173.91+-0.17-3.59+-0.170.14+-0.173.91+-0.17Fe II
Co I3...0.30+-0.221.56+-0.22-3.43+-0.220.30+-0.221.56+-0.22Co I
Ni I1...-0.30+-0.112.19+-0.11-4.03+-0.11-0.30+-0.112.19+-0.11Ni I
Sr II2...-1.88+-0.26-2.74+-0.26-5.61+-0.26-1.88+-0.26-2.74+-0.26Sr II

Position

Right Ascension : 22 42 45.51 Declination : +27 20 24.54 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A N/A SUBARUHDS 36000 107.1 N/A -394.1