SDSSJ1728+0657

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
MgN/A...0.14+-0.244.89+-0.24-2.71+-0.240.14+-0.244.89+-0.24Mg
TiN/A...0.15+-0.412.25+-0.41-2.70+-0.410.15+-0.412.25+-0.41Ti
Fe IN/A-2.85+-0.23...4.65+-0.23-2.85+-0.23...4.65+-0.23Fe I
Fe IIN/A-2.79+-0.42...4.72+-0.42-2.78+-0.42...4.72+-0.42Fe II

Binary Parameters

Vrad -353.37+-0.22

Position

Right Ascension : 17 28 46.88 Declination : +06 57 02.1 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-10-06 N/A SUBARUHDS 36000 25-40 1500 -353.37+-0.22