CS30315-093

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 : 5638 log g : 3.52 vturb : -2.50

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...0.32...-2.260.305.34Mg I
Ca IN/A...0.36...-2.180.384.16Ca I
Ti IIN/A...0.68...-1.810.753.14Ti II
Fe IN/A-2.56......-2.56...4.94Fe I
Ba IIN/A...-0.52...-3.13-0.57-0.95Ba II

Binary Parameters

Vrad -169

Position

Right Ascension : 23 16 16.79 Declination : -25 08 58.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-08-28 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 : 5638 log g : 3.52

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...-0.05+-0.26...-2.48+-0.26-0.09+-0.265.95+-0.26C
FeN/A-2.56......-2.39...5.11Fe
SrN/A...-0.14...-2.67-0.280.20Sr
BaN/A...-0.52...-3.13-0.74-0.95Ba

Position

Right Ascension : 23 16 16.79 Declination : -25 08 58.8 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