BS17139-007

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 : 5918 log g : 3.66

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...0.47...-1.970.455.63Mg I
Ca IN/A...0.07...-2.330.094.01Ca I
Ti IIN/A...-0.02...-2.370.052.58Ti II
Fe IN/A-2.42......-2.42...5.08Fe I
Ba IIN/A...-0.57...-3.04-0.62-0.86Ba II

Binary Parameters

Vrad -64

Position

Right Ascension : 08 54 12.50 Declination : +29 19 14.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-01-21 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 : 5918 log g : 3.66

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...0.30+-0.26...-1.99+-0.260.26+-0.266.44+-0.26C
FeN/A-2.42......-2.25...5.25Fe
SrN/A...-0.58...-2.97-0.72-0.10Sr
BaN/A...-0.57...-3.04-0.79-0.86Ba

Position

Right Ascension : 08 54 12.50 Declination : +29 19 14.6 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