G171-50

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 : 5896+-70 log g : 4.03+-0.31 vturb : 1.26+-0.13

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......2.11+-0.05-1.15+-0.051.59+-0.052.11+-0.05Li I
FeN/A-2.76+-0.06......-2.74+-0.06...4.76+-0.06Fe

Position

Right Ascension : 00 20 03.86 Declination : +42 43 46.6 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 185 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 : 5896+-70 log g : 4.03+-0.31 vturb : 1.26+-0.13

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-2.31+-0.16+0.43+-0.17...-2.33+-0.160.40+-0.175.27+-0.16Mg I
Ca IN/A-2.39+-0.15+0.35+-0.17...-2.37+-0.150.36+-0.173.97+-0.15Ca I
TiN/A...+0.31+-0.09...-2.39+-0.090.34+-0.092.56+-0.09Ti
Ti I6-2.40+-0.09......-2.36+-0.090.37+-0.092.59+-0.09Ti I
Ti II5-2.45+-0.09......-2.41+-0.090.32+-0.092.54+-0.09Ti II
CrN/A...-0.16+-0.09...-2.87+-0.09-0.14+-0.092.77+-0.09Cr
Cr I3-2.90+-0.06......-2.87+-0.06-0.14+-0.062.77+-0.06Cr I
FeN/A-2.74+-0.06......-2.73+-0.06...4.77+-0.06Fe
Fe I41-2.75+-0.08......-2.74+-0.08...4.76+-0.08Fe I
Fe II8-2.71+-0.10......-2.70+-0.10...4.80+-0.10Fe II
Ni IN/A-2.68+-0.09+0.06+-0.11...-2.65+-0.090.08+-0.113.57+-0.09Ni I
Ba IIN/A-2.52+-0.06+0.22+-0.09...-2.57+-0.060.16+-0.09-0.39+-0.06Ba II

Binary Parameters

Vrad -191.4+-0.5

Position

Right Ascension : 00 20 03.86 Declination : +42 43 46.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2451066.5 KECKHIRES 48000 185 3000 -191.4+-0.5

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...0.43...-2.330.415.27Mg
CaN/A...0.35...-2.370.373.97Ca
TiN/A...0.31...-2.360.382.59Ti
FeN/A-2.74......-2.74...4.76Fe
NiN/A...0.06...-2.650.093.57Ni
BaN/A...0.22...-2.570.17-0.39Ba

Position

Right Ascension : 00 20 03.86 Declination : +42 43 46.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log