SDSSJ1746+2455

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 : 5350 log g : 2.6 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
CN/A...1.24+-0.146.50+-0.14-1.93+-0.141.24+-0.146.50+-0.14C
NaN/A...0.48+-0.323.55+-0.32-2.69+-0.320.48+-0.323.55+-0.32Na
MgN/A...0.69+-0.315.12+-0.31-2.48+-0.310.69+-0.315.12+-0.31Mg
CaN/A...0.49+-0.333.66+-0.33-2.68+-0.330.49+-0.333.66+-0.33Ca
TiN/A...0.44+-0.342.22+-0.34-2.73+-0.340.44+-0.342.22+-0.34Ti
Fe IN/A-3.17+-0.35...4.33+-0.35-3.17+-0.35...4.33+-0.35Fe I
Fe IIN/A-3.12+-0.43...4.38+-0.43-3.12+-0.43...4.38+-0.43Fe II
SrN/A...0.03+-0.35-0.28+-0.35-3.15+-0.350.02+-0.35-0.28+-0.35Sr
BaN/A...0.26+-0.45-0.73+-0.45-2.91+-0.450.26+-0.45-0.73+-0.45Ba

Binary Parameters

Vrad 78.69+-0.22

Position

Right Ascension : 17 46 24.13 Declination : +24 55 48.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-03-10 N/A SUBARUHDS 36000 27-44 900 78.69+-0.22