G26-12

taken from 4 paper(s):

/R.Smiljanic et al.(2009)/ /A.M.Boesgaard et al.(2005)/ /A.Stephens and A. M. Boesgaard(2002)/ /A.M.Boesgaard et al.(2011)/


R.Smiljanic et al.,AAP, 499, 103, 2009(ADS)

Beryllium abundances and star formation in the halo and in the thick disk


Stellar Parameters

Teff : 6089 log g : 4.04 vturb : 1.5

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
LiN/A......2.23-1.031.452.23Li
FeN/A-2.48......-2.48...5.02Fe

Position

Right Ascension : 21 33 36.57 Declination : +00 23 43.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log


A.M.Boesgaard et al.,ApJ, 633, 398, 2005(ADS)

Lithium and Lithium Depletion in Halo Stars on Extreme Orbits


Stellar Parameters

Teff : 6089+-63 log g : 4.04+-0.25 vturb : 1.50+-0.14

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......2.24+-0.05-1.02+-0.051.44+-0.052.24+-0.05Li I
FeN/A-2.48+-0.08......-2.46+-0.08...5.04+-0.08Fe

Position

Right Ascension : 21 33 36.57 Declination : +00 23 43.9 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 320 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 : 6089+-63 log g : 4.04+-0.25 vturb : 1.50+-0.14

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-2.72+-0.15-0.23+-0.16...-2.63+-0.15-0.15+-0.163.61+-0.15Na I
Mg IN/A-2.08+-0.08+0.41+-0.10...-2.10+-0.080.38+-0.105.50+-0.08Mg I
Ca IN/A-2.05+-0.11+0.44+-0.12...-2.03+-0.110.45+-0.124.31+-0.11Ca I
TiN/A...+0.40+-0.07...-2.05+-0.070.43+-0.072.90+-0.07Ti
Ti I6-2.10+-0.04......-2.06+-0.040.42+-0.042.89+-0.04Ti I
Ti II7-2.07+-0.08......-2.03+-0.080.45+-0.082.92+-0.08Ti II
CrN/A...-0.06+-0.07...-2.52+-0.07-0.04+-0.073.12+-0.07Cr
Cr I6-2.56+-0.05......-2.53+-0.05-0.05+-0.053.11+-0.05Cr I
Cr II2-2.44+-0.16......-2.41+-0.160.07+-0.163.23+-0.16Cr II
FeN/A-2.49+-0.05......-2.48+-0.05...5.02+-0.05Fe
Fe I48-2.48+-0.06......-2.47+-0.06...5.03+-0.06Fe I
Fe II9-2.51+-0.10......-2.50+-0.10...5.00+-0.10Fe II
Ni IN/A-2.59+-0.14-0.10+-0.15...-2.56+-0.14-0.08+-0.153.66+-0.14Ni I
Ba IIN/A-2.94+-0.06-0.45+-0.08...-2.99+-0.06-0.51+-0.08-0.81+-0.06Ba II

Binary Parameters

Vrad -238.3+-0.7

Position

Right Ascension : 21 33 36.57 Declination : +00 23 43.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2450595.606 KECKHIRES 48000 320 1800 -238.2+-0.7
2450987.518 KECKHIRES 48000 320 2700 -238.3+-0.7

A.M.Boesgaard et al.,ApJ, 743, 140, 2011(ADS)

Beryllium and Alpha-element Abundances in a Large Sample of Metal-poor Stars


Stellar Parameters

Teff : 6135+-100 log g : 3.84+-0.2 vturb : 1.39+-0.2

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
BeN/A...+0.03+-0.15-0.88+-0.12-2.26+-0.120.07+-0.15-0.88+-0.12Be
ON/A-1.35+-0.22+0.98+-0.24...-1.41+-0.220.92+-0.247.28+-0.22O
MgN/A-1.95+-0.07......-1.97+-0.070.36+-0.075.63+-0.07Mg
TiN/A-1.99+-0.09......-1.92+-0.090.41+-0.093.03+-0.09Ti
FeN/A-2.33+-0.09......-2.33+-0.09...5.17+-0.09Fe

Position

Right Ascension : Declination : Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2010-07-04 N/A KECKHIRES 42000 96 9000 N/A