BS16472-018

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 : 4946 log g : 2.08 vturb : -2.50

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...0.65...-1.830.635.77Mg I
Ca IN/A...0.38...-2.060.404.28Ca I
Ti IIN/A...0.53...-1.860.603.09Ti II
Fe IN/A-2.46......-2.46...5.04Fe I
Ba IIN/A...-0.09...-2.60-0.14-0.42Ba II

Binary Parameters

Vrad 67

Position

Right Ascension : 14 56 21.06 Declination : +01 52 34.8 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 150 600 N/A

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

Carbon and Strontium Abundances of Metal-poor Stars


Stellar Parameters

Teff : 4946 log g : 2.08

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...-0.25+-0.26...-2.58+-0.26-0.29+-0.265.85+-0.26C
FeN/A-2.46......-2.29...5.21Fe
SrN/A...0.16...-2.270.020.60Sr
BaN/A...-0.09...-2.60-0.31-0.42Ba

Position

Right Ascension : 14 56 21.06 Declination : +01 52 34.8 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