CD-3018140

taken from 1 paper(s):

/D.Fabbian et al.(2009)/

D.Fabbian et al.,AAP, 500, 1143, 2009(ADS)

The C/O ratio at low metallicity:constraints on early chemical evolution from observations of Galactic halo stars


Stellar Parameters

Teff : 6272 log g : 4.12

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-1.66...6.73-1.700.246.73C
ON/A-1.08...7.58-1.110.837.58O
FeN/A-1.89......-1.94...5.56Fe

Position

Right Ascension : 20 44 06.24 Declination : -30 00 07.2 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001 N/A VLT 60000 N/A N/A N/A