BS17444-032

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 : 5960 log g : 3.68

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...0.69...-1.760.675.84Mg I
Ca IN/A...0.40...-2.010.424.33Ca I
Ti IIN/A...0.32...-2.040.392.91Ti II
Fe IN/A-2.43......-2.43...5.07Fe I
Ba IIN/A...-0.44...-2.92-0.49-0.74Ba II

Binary Parameters

Vrad 149

Position

Right Ascension : 08 24 29.42 Declination : +38 13 08.2 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 150 720 N/A

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

Carbon and Strontium Abundances of Metal-poor Stars


Stellar Parameters

Teff : 5960 log g : 3.68

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...<0.35...<-1.95<0.31<6.48C
FeN/A-2.43......-2.26...5.24Fe
SrN/A...-0.07...-2.47-0.210.40Sr
BaN/A...-0.44...-2.92-0.66-0.74Ba

Position

Right Ascension : 08 24 29.42 Declination : +38 13 08.2 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