G158-100

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 : 4981+-71 log g : 4.16+-0.40 vturb : 0.50+-0.32

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......<0.49<-2.77<-0.27<0.49Li I
FeN/A-2.52+-0.08......-2.50+-0.08...5.00+-0.08Fe

Position

Right Ascension : 00 33 54.60 Declination : -12 07 59.0 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 135 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 : 4981+-71 log g : 4.16+-0.40 vturb : 0.50+-0.32

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-2.29+-0.08+0.27+-0.10...-2.31+-0.080.23+-0.105.29+-0.08Mg I
Ca IN/A-2.25+-0.09+0.30+-0.10...-2.23+-0.090.31+-0.104.11+-0.09Ca I
TiN/A...+0.15+-0.09...-2.36+-0.090.18+-0.092.59+-0.09Ti
Ti I10-2.42+-0.09......-2.38+-0.090.16+-0.092.57+-0.09Ti I
Ti II4-2.37+-0.13......-2.33+-0.130.21+-0.132.62+-0.13Ti II
CrN/A...-0.05+-0.09...-2.57+-0.09-0.03+-0.093.07+-0.09Cr
Cr I10-2.61+-0.08......-2.58+-0.08-0.04+-0.083.06+-0.08Cr I
FeN/A-2.55+-0.05......-2.54+-0.05...4.96+-0.05Fe
Fe I58-2.52+-0.07......-2.51+-0.07...4.99+-0.07Fe I
Fe II4-2.59+-0.07......-2.58+-0.07...4.92+-0.07Fe II
Ni IN/A-2.45+-0.22+0.11+-0.23...-2.42+-0.220.12+-0.233.80+-0.22Ni I
Ba IIN/A-2.39+-0.11+0.16+-0.12...-2.44+-0.110.10+-0.12-0.26+-0.11Ba II

Binary Parameters

Vrad -358.7+-1.3

Position

Right Ascension : 00 33 54.60 Declination : -12 07 59.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2451066.538 KECKHIRES 48000 135 3600 -357.9+-1.1
2451066.582 KECKHIRES 48000 135 3600 -358.7+-1.3

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
MgN/A...0.27...-2.300.255.30Mg
CaN/A...0.3...-2.230.324.11Ca
TiN/A...0.15...-2.330.222.62Ti
FeN/A-2.55......-2.55...4.95Fe
NiN/A...0.11...-2.410.143.81Ni
BaN/A...0.16...-2.440.11-0.26Ba

Position

Right Ascension : 00 33 54.60 Declination : -12 07 59.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log