HE1528-0409

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 : 5000 log g : 1.8 vturb : 1.8

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...2.42+-0.198.2+-0.19-0.23+-0.192.42+-0.198.2+-0.19C
CNN/A...2.03+-0.527.2+-0.52-0.63+-0.522.02+-0.527.2+-0.52CN
Na I2...1.13+-0.124.69+-0.12-1.55+-0.121.10+-0.124.69+-0.12Na I
Mg I1...0.83+-0.135.76+-0.13-1.84+-0.130.81+-0.135.76+-0.13Mg I
Ca I1...1.04+-0.104.74+-0.10-1.60+-0.101.05+-0.104.74+-0.10Ca I
Fe I15-2.61+-0.19...4.85+-0.19-2.65+-0.19...4.85+-0.19Fe I
Fe II1-2.59+-0.14...4.86+-0.14-2.64+-0.14...4.86+-0.14Fe II
Ba II3...2.30+-0.141.87+-0.14-0.31+-0.142.34+-0.141.87+-0.14Ba II

Isotopic Ratio

12C/13C 12+-5

Binary Parameters

Vrad -157.48

Position

Right Ascension : 15 30 54.30 Declination : -04 19 40.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2003-05-25 N/A SUBARUHDS 50000 N/A 1500 -157.48+-0.25