G189-50

taken from 3 paper(s):

/A.M.Boesgaard et al.(2005)/ /A.Stephens and A. M. Boesgaard(2002)/ /K.A.Venn et al.(2004)/


A.M.Boesgaard et al.,ApJ, 633, 398, 2005(ADS)

Lithium and Lithium Depletion in Halo Stars on Extreme Orbits


Stellar Parameters

Teff : 5254+-82 log g : 4.32+-0.28 vturb : 0.26+-0.34

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
Li IN/A......1.46+-0.06-1.80+-0.06-0.36+-0.061.46+-0.06Li I
FeN/A-1.46+-0.06......-1.44+-0.06...6.06+-0.06Fe

Position

Right Ascension : 22 56 27.49 Declination : +33 53 04.2 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 KECKHIRES 48000 180 N/A N/A

A.Stephens et al.,AJ, 123, 1647, 2002(ADS)

ABUNDANCES FROM HIGH-RESOLUTION SPECTRA OF KINEMATICALLY INTERESTING HALO STARS


Stellar Parameters

Teff : 5254+-82 log g : 4.32+-0.28 vturb : 0.26+-0.34

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
Na IN/A-1.84+-0.18-0.37+-0.19...-1.75+-0.18-0.29+-0.194.49+-0.18Na I
Mg IN/A-1.32+-0.13+0.15+-0.14...-1.34+-0.130.12+-0.146.26+-0.13Mg I
SiN/A...+0.14+-0.12...-1.29+-0.120.17+-0.126.22+-0.12Si
Si I1-1.47+-0.16......-1.43+-0.160.03+-0.166.08+-0.16Si I
Si II1-1.20+-0.16......-1.16+-0.160.30+-0.166.35+-0.16Si II
Ca IN/A-1.36+-0.10+0.11+-0.11...-1.34+-0.100.12+-0.115.00+-0.10Ca I
TiN/A...+0.09+-0.08...-1.34+-0.080.12+-0.083.61+-0.08Ti
Ti I22-1.43+-0.08......-1.39+-0.080.07+-0.083.56+-0.08Ti I
Ti II6-1.32+-0.10......-1.28+-0.100.18+-0.103.67+-0.10Ti II
CrN/A...+0.00+-0.08...-1.44+-0.080.02+-0.084.20+-0.08Cr
Cr I14-1.50+-0.07......-1.47+-0.07-0.01+-0.074.17+-0.07Cr I
Cr II5-1.36+-0.15......-1.33+-0.150.13+-0.154.31+-0.15Cr II
FeN/A-1.47+-0.05......-1.46+-0.05...6.04+-0.05Fe
Fe I60-1.45+-0.06......-1.44+-0.06...6.06+-0.06Fe I
Fe II12-1.52+-0.09......-1.51+-0.09...5.99+-0.09Fe II
Ni IN/A-1.66+-0.15-0.19+-0.16...-1.63+-0.15-0.17+-0.164.59+-0.15Ni I
Y IIN/A-1.75+-0.05-0.28+-0.07...-1.72+-0.05-0.26+-0.070.49+-0.05Y II
Ba IIN/A-1.54+-0.10-0.07+-0.12...-1.59+-0.10-0.13+-0.120.59+-0.10Ba II

Binary Parameters

Vrad -320.7+-0.6

Position

Right Ascension : 22 56 27.49 Declination : +33 53 04.2 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2451067.459 KECKHIRES 48000 180 1800 -320.7+-0.6

K.A.Venn et al.,AJ, 128, 1177, 2004(ADS)

Stellar Chemical Signatures and Hierarchical Galaxy Formation


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
NaN/A...-0.37...-1.75-0.284.49Na
MgN/A...0.15...-1.340.136.26Mg
CaN/A...0.11...-1.340.135.00Ca
TiN/A...0.09...-1.310.163.64Ti
FeN/A-1.47......-1.47...6.03Fe
NiN/A...-0.19...-1.63-0.164.59Ni
YN/A...-0.37...-1.81-0.340.40Y
BaN/A...-0.07...-1.59-0.120.59Ba

Position

Right Ascension : 22 56 27.49 Declination : +33 53 04.2 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log