G251-24

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 : 5569+-121 log g : 3.47+-0.46 vturb : 1.56+-0.09

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......1.73+-0.09-1.53+-0.090.21+-0.091.73+-0.09Li I
FeN/A-1.76+-0.09......-1.74+-0.09...5.76+-0.09Fe

Position

Right Ascension : 07 06 54.58 Declination : +72 18 31.8 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 90 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 : 5569+-121 log g : 3.47+-0.46 vturb : 1.56+-0.09

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-1.87+-0.16-0.11+-0.18...-1.89+-0.16-0.14+-0.185.71+-0.16Mg I
Ca IN/A-1.95+-0.16-0.19+-0.19...-1.93+-0.16-0.18+-0.194.41+-0.16Ca I
TiN/A...-0.27+-0.11...-1.99+-0.11-0.24+-0.112.96+-0.11Ti
Ti I4-2.04+-0.07......-2.00+-0.07-0.25+-0.072.95+-0.07Ti I
Ti II7-2.01+-0.19......-1.97+-0.19-0.22+-0.192.98+-0.19Ti II
CrN/A...-0.11+-0.14...-1.84+-0.14-0.09+-0.143.80+-0.14Cr
Cr I11-1.86+-0.11......-1.83+-0.11-0.08+-0.113.81+-0.11Cr I
Cr II2-1.91+-0.35......-1.88+-0.35-0.13+-0.353.76+-0.35Cr II
FeN/A-1.76+-0.09......-1.75+-0.09...5.75+-0.09Fe
Fe I66-1.75+-0.11......-1.74+-0.11...5.76+-0.11Fe I
Fe II8-1.79+-0.21......-1.78+-0.21...5.72+-0.21Fe II
Ni IN/A-1.89+-0.20-0.13+-0.22...-1.86+-0.20-0.11+-0.224.36+-0.20Ni I
Ba IIN/A-3.13+-0.16-1.37+-0.18...-3.18+-0.16-1.43+-0.18-1.00+-0.16Ba II

Binary Parameters

Vrad 6.2+-0.8

Position

Right Ascension : 07 06 54.58 Declination : +72 18 31.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2450889.264 MAYALLKPNO 35000 90 636 6.2+-0.8

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...-0.11...-1.89-0.135.71Mg
CaN/A...-0.19...-1.93-0.174.41Ca
TiN/A...-0.27...-1.96-0.202.99Ti
FeN/A-1.76......-1.76...5.74Fe
NiN/A...-0.13...-1.86-0.104.36Ni
BaN/A...-1.37...-3.18-1.42-1.00Ba

Position

Right Ascension : 07 06 54.58 Declination : +72 18 31.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log