CS31069-064

taken from 2 paper(s):

/D.K.Lai et al.(2004)/ /D.K.Lai et al.(2007)/

D.K.Lai et al.,AJ, 128, 2402, 2004(ADS)

ABUNDANCES OF EXTREMELY METAL-POOR STAR CANDIDATES


Stellar Parameters

Teff : 5468 log g : 3.38 vturb : -2.25

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
Mg IN/A...0.30...-1.910.285.69Mg I
Ca IN/A...0.20...-1.970.224.37Ca I
Ti IIN/A...-0.19...-2.31-0.122.64Ti II
Fe IN/A-2.19......-2.19...5.31Fe I
Ba IIN/A...-0.90...-3.14-0.95-0.96Ba II

Binary Parameters

Vrad -158

Position

Right Ascension : 00 16 12.56 Declination : +04 49 34.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-08-08 N/A KECKII 7000 150 900 N/A

D.K.Lai et al.,ApJ, 667, 1185, 2007(ADS)

Carbon and Strontium Abundances of Metal-poor Stars


Stellar Parameters

Teff : 5468 log g : 3.38

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...0.20+-0.22...-1.86+-0.220.16+-0.226.57+-0.22C
FeN/A-2.19......-2.02...5.48Fe
SrN/A...-0.56...-2.72-0.700.15Sr
BaN/A...-0.90...-3.14-1.12-0.96Ba

Position

Right Ascension : 00 16 12.56 Declination : +04 49 34.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A KECKII 7000 N/A N/A N/A