BS16972-003

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 : 6231 log g : 3.80

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...0.66...-1.780.645.82Mg I
Ca IN/A...0.39...-2.010.414.33Ca I
Ti IIN/A...0.31...-2.040.382.91Ti II
Fe IN/A-2.42......-2.42...5.08Fe I
Ba IIN/A...-0.30...-2.77-0.35-0.59Ba II

Binary Parameters

Vrad -30

Position

Right Ascension : 13 09 05.58 Declination : +15 24 09.1 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 150 900 N/A

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

Carbon and Strontium Abundances of Metal-poor Stars


Stellar Parameters

Teff : 6231 log g : 3.80

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...<0.65...<-1.64<0.61<6.79C
FeN/A-2.42......-2.25...5.25Fe
SrN/A...-0.18...-2.57-0.320.30Sr
BaN/A...-0.30...-2.77-0.52-0.59Ba

Position

Right Ascension : 13 09 05.58 Declination : +15 24 09.1 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