G144-28

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 : 5310+-65 log g : 4.19+-0.39 vturb : 1.16+-0.12

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......1.51+-0.05-1.75+-0.050.33+-0.051.51+-0.05Li I
FeN/A-2.10+-0.06......-2.08+-0.06...5.42+-0.06Fe

Position

Right Ascension : 20 42 25.27 Declination : +11 17 19.3 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 140 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 : 5310+-65 log g : 4.19+-0.39 vturb : 1.16+-0.12

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-1.94+-0.17+0.20+-0.17...-1.85+-0.170.28+-0.174.39+-0.17Na I
Mg IN/A-1.78+-0.16+0.36+-0.17...-1.80+-0.160.33+-0.175.80+-0.16Mg I
SiN/A...+0.36+-0.17...-1.74+-0.170.39+-0.175.77+-0.17Si
Si I1-1.78+-0.16......-1.74+-0.160.39+-0.165.77+-0.16Si I
Ca IN/A-1.78+-0.11+0.36+-0.12...-1.76+-0.110.37+-0.124.58+-0.11Ca I
TiN/A...+0.28+-0.08...-1.82+-0.080.31+-0.083.13+-0.08Ti
Ti I20-1.91+-0.08......-1.87+-0.080.26+-0.083.08+-0.08Ti I
Ti II9-1.81+-0.07......-1.77+-0.070.36+-0.073.18+-0.07Ti II
CrN/A...-0.00+-0.08...-2.11+-0.080.02+-0.083.53+-0.08Cr
Cr I13-2.17+-0.06......-2.14+-0.06-0.01+-0.063.50+-0.06Cr I
Cr II2-2.02+-0.12......-1.99+-0.120.14+-0.123.65+-0.12Cr II
FeN/A-2.14+-0.05......-2.13+-0.05...5.37+-0.05Fe
Fe I63-2.09+-0.07......-2.08+-0.07...5.42+-0.07Fe I
Fe II10-2.21+-0.09......-2.20+-0.09...5.30+-0.09Fe II
Ni IN/A-2.11+-0.10+0.02+-0.12...-2.08+-0.100.05+-0.124.14+-0.10Ni I
Y IIN/A-2.35+-0.19-0.21+-0.19...-2.32+-0.19-0.19+-0.19-0.11+-0.19Y II
Ba IIN/A-2.23+-0.06-0.09+-0.08...-2.28+-0.06-0.15+-0.08-0.10+-0.06Ba II

Binary Parameters

Vrad -13.2+-0.7

Position

Right Ascension : 20 42 25.27 Declination : +11 17 19.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2451067.433 KECKHIRES 48000 140 1800 -13.2+-0.7

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...0.2...-1.850.294.39Na
MgN/A...0.36...-1.800.345.80Mg
CaN/A...0.36...-1.760.384.58Ca
TiN/A...0.28...-1.790.353.16Ti
FeN/A-2.14......-2.14...5.36Fe
NiN/A...0.02...-2.090.054.13Ni
YN/A...-0.3...-2.41-0.27-0.20Y
BaN/A...-0.09...-2.28-0.14-0.10Ba

Position

Right Ascension : 20 42 25.27 Declination : +11 17 19.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log