G82-23

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 : 4934+-52 log g : 3.64+-0.52 vturb : 1.79+-0.22

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......<0.44<-2.82<0.65<0.44Li I
FeN/A-3.49+-0.06......-3.47+-0.06...4.03+-0.06Fe

Position

Right Ascension : 04 30 13.10 Declination : -03 03 12.8 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 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 : 4934+-52 log g : 3.64+-0.52 vturb : 1.79+-0.22

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-3.19+-0.14+0.29+-0.16...-3.21+-0.140.27+-0.164.39+-0.14Mg I
Ca IN/A-3.35+-0.16+0.14+-0.17...-3.33+-0.160.15+-0.173.01+-0.16Ca I
TiN/A...+0.31+-0.11...-3.14+-0.110.34+-0.111.81+-0.11Ti
Ti I8-3.17+-0.11......-3.13+-0.110.35+-0.111.82+-0.11Ti I
Ti II3-3.20+-0.17......-3.16+-0.170.32+-0.171.79+-0.17Ti II
CrN/A...+0.07+-0.12...-3.39+-0.120.09+-0.122.25+-0.12Cr
Cr I7-3.42+-0.10......-3.39+-0.100.09+-0.102.25+-0.10Cr I
FeN/A-3.49+-0.06......-3.48+-0.06...4.02+-0.06Fe
Fe I40-3.49+-0.06......-3.48+-0.06...4.02+-0.06Fe I
Fe II4-3.45+-0.25......-3.44+-0.25...4.06+-0.25Fe II
Ni IN/A-3.04+-0.06+0.45+-0.08...-3.01+-0.060.47+-0.083.21+-0.06Ni I
Ba IIN/A-3.86+-0.16-0.37+-0.17...-3.91+-0.16-0.43+-0.17-1.73+-0.16Ba II

Binary Parameters

Vrad 26.8+-0.5

Position

Right Ascension : 04 30 13.10 Declination : -03 03 12.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2451067.547 KECKHIRES 48000 135 3600 26.9+-1.0
2451067.59 KECKHIRES 48000 135 3600 26.8+-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...0.29...-3.220.274.38Mg
CaN/A...0.14...-3.330.163.01Ca
TiN/A...0.31...-3.110.381.84Ti
FeN/A-3.49......-3.49...4.01Fe
NiN/A...0.45...-3.010.483.21Ni
BaN/A...-0.37...-3.91-0.42-1.73Ba

Position

Right Ascension : 04 30 13.10 Declination : -03 03 12.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log