CD-2417504

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 : 6338 log g : 4.32

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-2.58...5.81-2.620.645.81C
ON/A-2.42...6.24-2.450.816.24O
FeN/A-3.21......-3.26...4.24Fe

Position

Right Ascension : 23 07 20.23 Declination : -23 52 35.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004 N/A VLT 60000 80-400 N/A N/A