HE0206-1916

taken from 1 paper(s):

/W.Aoki et al.(2007)/


W.Aoki et al.,ApJ, 655, 492, 2007(ADS)

Carbon-enhanced Metal-poor Stars. I. Chemical Compositions of 26 Stars


Stellar Parameters

Teff : 5200 log g : 2.7 vturb : 2.0

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...2.10+-0.198.4+-0.19-0.03+-0.192.11+-0.198.4+-0.19C
CNN/A...1.61+-0.337.3+-0.33-0.53+-0.331.61+-0.337.3+-0.33CN
Na I2...0.74+-0.144.82+-0.14-1.42+-0.140.72+-0.144.82+-0.14Na I
Mg I3...0.52+-0.155.96+-0.15-1.64+-0.150.50+-0.155.96+-0.15Mg I
Ca I4...0.11+-0.134.33+-0.13-2.01+-0.130.13+-0.134.33+-0.13Ca I
Ti I2...0.41+-0.143.22+-0.14-1.73+-0.140.41+-0.143.22+-0.14Ti I
Ti II2...0.58+-0.193.40+-0.19-1.55+-0.190.59+-0.193.40+-0.19Ti II
Cr I2...0.00+-0.133.55+-0.13-2.09+-0.130.05+-0.133.55+-0.13Cr I
Fe I22-2.09+-0.20...5.36+-0.20-2.14+-0.20...5.36+-0.20Fe I
Fe II2-2.08+-0.16...5.38+-0.16-2.12+-0.16...5.38+-0.16Fe II
Ba II3...1.97+-0.162.05+-0.16-0.13+-0.162.01+-0.162.05+-0.16Ba II

Isotopic Ratio

12C/13C 15+-5

Binary Parameters

Vrad -200.01

Position

Right Ascension : 02 09 19.60 Declination : -19 01 56.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2002-10-26 N/A SUBARUHDS 50000 N/A 1200 -200.01+-0.09