SDSSJ2123-0820

taken from 1 paper(s):

/W.Aoki et al.(2013)/

W.Aoki et al.,AJ, 145, 13, 2013(ADS)

High-resolution Spectroscopy of Extremely Metal-poor Stars from SDSS/SEGUE. I. Atmospheric Parameters and Chemical Compositions


Stellar Parameters

Teff : 6350 log g : 4.0 vturb : 1.5

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
NaN/A...0.17+-0.303.53+-0.30-2.71+-0.300.17+-0.303.53+-0.30Na
MgN/A...0.66+-0.285.39+-0.28-2.21+-0.280.67+-0.285.39+-0.28Mg
CaN/A...0.90+-0.394.36+-0.39-1.98+-0.390.90+-0.394.36+-0.39Ca
TiN/A...0.52+-0.372.59+-0.37-2.36+-0.370.52+-0.372.59+-0.37Ti
Fe IN/A-2.88+-0.24...4.62+-0.24-2.88+-0.24...4.62+-0.24Fe I
Fe IIN/A-2.86+-0.35...4.64+-0.35-2.86+-0.35...4.64+-0.35Fe II
SrN/A...0.48+-0.440.47+-0.44-2.40+-0.440.48+-0.440.47+-0.44Sr

Binary Parameters

Vrad -167.33+-0.19

Position

Right Ascension : 21 23 10.82 Declination : -08 20 39.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-07-05 N/A SUBARUHDS 36000 34-51 2400 -167.33+-0.19