BS16470-092

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 : 5948 log g : 3.67 vturb : -1.75

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...0.56...-1.290.546.31Mg I
Ca IN/A...0.39...-1.420.414.92Ca I
Ti IIN/A...0.41...-1.350.483.60Ti II
Fe IN/A-1.83......-1.83...5.67Fe I
Ba IIN/A...-0.42...-2.30-0.47-0.12Ba II

Binary Parameters

Vrad 28

Position

Right Ascension : 12 23 38.73 Declination : +14 41 16.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2003-04-23 N/A KECKII 7000 150 1200 N/A

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

Carbon and Strontium Abundances of Metal-poor Stars


Stellar Parameters

Teff : 5948 log g : 3.67

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+-0.26...-1.50+-0.260.16+-0.266.93+-0.26C
FeN/A-1.83......-1.66...5.84Fe
SrN/A...0.23...-1.570.091.30Sr
BaN/A...-0.42...-2.30-0.64-0.12Ba

Position

Right Ascension : 12 23 38.73 Declination : +14 41 16.0 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