SDSSJ0018-0939

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 : 4600 log g : 5.0 vturb : 0.0

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...-0.88+-0.224.90+-0.22-3.53+-0.22-0.88+-0.224.90+-0.22C
NaN/A...-1.04+-0.242.63+-0.24-3.61+-0.24-0.96+-0.242.63+-0.24Na
MgN/A...-0.44+-0.154.51+-0.15-3.09+-0.15-0.44+-0.154.51+-0.15Mg
CaN/A...-0.17+-0.173.52+-0.17-2.82+-0.17-0.17+-0.173.52+-0.17Ca
TiN/A...-0.02+-0.322.28+-0.32-2.67+-0.32-0.02+-0.322.28+-0.32Ti
Fe IN/A-2.65+-0.33...4.85+-0.33-2.65+-0.33...4.85+-0.33Fe I
Fe IIN/A-2.4+-0.34...5.09+-0.34-2.41+-0.34...5.09+-0.34Fe II

Binary Parameters

Vrad -122.89+-0.07

Position

Right Ascension : 00 18 20.50 Declination : -09 39 39.2 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 26-51 1200 -122.89+-0.07