SDSSJ2118-0640

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...-0.18+-0.193.15+-0.19-3.09+-0.19-0.18+-0.193.15+-0.19Na
MgN/A...0.21+-0.154.90+-0.15-2.70+-0.150.21+-0.154.90+-0.15Mg
CaN/A...0.55+-0.203.98+-0.20-2.36+-0.200.55+-0.203.98+-0.20Ca
Fe IN/A-2.91+-0.21...4.59+-0.21-2.91+-0.21...4.59+-0.21Fe I
Fe IIN/A-2.97+-0.30...4.53+-0.30-2.97+-0.30...4.53+-0.30Fe II

Binary Parameters

Vrad -199.71+-0.83

Position

Right Ascension : 21 18 50.12 Declination : -06 40 55.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-08-22 N/A SUBARUHDS 36000 26-43 1800 -199.71+-0.83