SDSSJ0021-0050

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 : 6650 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...0.40+-0.313.48+-0.31-2.76+-0.310.40+-0.313.48+-0.31Na
MgN/A...0.53+-0.214.96+-0.21-2.64+-0.210.52+-0.214.96+-0.21Mg
CaN/A...1.16+-0.294.34+-0.29-2.00+-0.291.16+-0.294.34+-0.29Ca
Fe IN/A-3.16+-0.22...4.34+-0.22-3.16+-0.22...4.34+-0.22Fe I
Fe IIN/A-3.22+-0.39...4.28+-0.39-3.22+-0.39...4.28+-0.39Fe II

Binary Parameters

Vrad -94.57+-0.19

Position

Right Ascension : 00 21 13.78 Declination : -00 50 05.2 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 32-49 1800 -94.57+-0.19