BS16934-072

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 : 6187 log g : 3.78 vturb : -2.00

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...0.48...-1.340.466.26Mg I
Ca IN/A...0.36...-1.420.384.92Ca I
Ti IIN/A...0.46...-1.270.533.68Ti II
Fe IN/A-1.80......-1.80...5.70Fe I
Ba IIN/A...0.29...-1.560.240.62Ba II

Binary Parameters

Vrad -96

Position

Right Ascension : 13 44 25.90 Declination : +13 44 11.0 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 1000 N/A

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

Carbon and Strontium Abundances of Metal-poor Stars


Stellar Parameters

Teff : 6187 log g : 3.78

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...0.40+-0.26...-1.27+-0.260.36+-0.267.16+-0.26C
FeN/A-1.80......-1.63...5.87Fe
SrN/A...-0.20...-1.97-0.340.90Sr
BaN/A...0.29...-1.560.070.62Ba

Position

Right Ascension : 13 44 25.90 Declination : +13 44 11.0 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