BD+23_3912

taken from 9 paper(s):

/R.G.Gratton et al.(2000)/ /J.P.Fulbright(2000)/ /R.G.Gratton et al.(2003)/ /G.Bihain et al.(2004)/ /A.M.Boesgaard et al.(1999)/ /C.Charbonnel and F. Primas(2005)/ /J.A.Rich and A. M. Boesgaard(2009)/ /A.M.Boesgaard et al.(2011)/ /G.Israelian et al.(2004)/

R.G.Gratton et al.,AAP, 354, 169, 2000(ADS)

Mixing along the red giant branch in metal-poor field stars


Stellar Parameters

Teff : 5845 log g : 3.91 vturb : 1.20

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
[O I]N/A...0.22...-0.990.457.70[O I]
Fe IN/A-1.39......-1.44...6.06Fe I
Fe IIN/A-1.37......-1.42...6.08Fe II

Isotopic Ratio

12C/13C >20

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1995-05 N/A CESESO 50000 80-150 N/A N/A
1995-11 N/A CESESO 50000 80-150 N/A N/A
1995-11 N/A MCDONALD 60000 70-100 N/A N/A

J.P.Fulbright et al.,AJ, 120, 1841, 2000(ADS)

ABUNDANCES AND KINEMATICS OF FIELD HALO AND DISK STARS. I. OBSERVATIONAL DATA AND ABUNDANCE ANALYSIS


Stellar Parameters

Teff : 5650 log g : 3.8 vturb : 1.3

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......2.43-0.830.652.43Li I
Na IN/A...-0.15...-1.56-0.084.68Na I
Mg IN/A...0.41...-1.110.376.49Mg I
Si IN/A...0.46...-1.000.486.51Si I
Ca IN/A...0.38...-1.100.385.24Ca I
TiN/A...0.34...-1.120.363.83Ti
V IN/A...-0.07...-1.50-0.022.43V I
Cr IN/A...-0.05...-1.52-0.044.12Cr I
FeN/A-1.5......-1.48...6.02Fe
Ni IN/A...-0.01...-1.480.004.74Ni I
Y IIN/A...0.02...-1.450.030.76Y II
Zr IIN/A...0.34...-1.140.341.44Zr II
Ba IIN/A...0.08...-1.470.010.71Ba II

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1998-08-08 N/A LICKHAMILTON 50000 110 1200 N/A

R.G.Gratton et al.,AAP, 404, 187, 2003(ADS)

Abundances for metal-poor stars with accurate parallaxes I. Basic data


Stellar Parameters

Teff : 5766 log g : 3.9 vturb : 1.1

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
O IN/A...0.88+-0.069...-0.51+-0.0690.96+-0.0698.18+-0.069O I
Na IN/A...-0.07+-0.054...-1.56+-0.054-0.09+-0.0544.68+-0.054Na I
Mg IN/A...0.49+-0.055...-1.14+-0.0550.33+-0.0556.46+-0.055Mg I
Si IN/A...0.34+-0.048...-1.10+-0.0480.37+-0.0486.41+-0.048Si I
Ca IN/A...0.39+-0.033...-1.14+-0.0330.33+-0.0335.20+-0.033Ca I
Ti IN/A...0.23+-0.03...-1.11+-0.030.36+-0.033.84+-0.03Ti I
Ti IIN/A...0.37+-0.048...-0.97+-0.0480.50+-0.0483.98+-0.048Ti II
Fe IN/A-1.46+-0.051......-1.47+-0.051...6.03+-0.051Fe I
Fe IIN/A-1.49+-0.066......-1.50+-0.066...6.00+-0.066Fe II

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A MCDONALD 80000 200 N/A -110.5

G.Bihain et al.,AAP, 423, 777, 2004(ADS)

Cu and Zn in the early Galaxy


Stellar Parameters

Teff : 5734+-67 log g : 3.83+-0.13 vturb : 1.0

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
FeN/A-1.50......-1.33...6.17Fe
Cu IN/A-1.90+-0.25......-1.88+-0.25-0.55+-0.252.31+-0.25Cu I

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A N/A WHTUES 50000 80-150 N/A N/A

A.M.Boesgaard et al.,AJ, 117, 492, 1999(ADS)

OXYGEN IN UNEVOLVED METAL-POOR STARS FROM KECK ULTRAVIOLET HIRES SPECTRA


Stellar Parameters

Teff : 5854 log g : 3.84 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
ON/A-0.715+-0.060.695+-0.178.215-0.47+-0.060.77+-0.178.215O
FeN/A-1.41......-1.24...6.26Fe

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1993-10-06 N/A KECKHIRES 45000 66 3600 N/A
1993-10-07 N/A KECKHIRES 45000 66 N/A N/A

C.Charbonnel et al.,AAP, 442, 961, 2005(ADS)

The lithium content of the Galactic Halo stars


Stellar Parameters

Teff : 5806 log g : 3.50

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......2.643+0.020-0.021-0.62+0.020-0.0210.92+0.020-0.0212.643+0.020-0.021Li I
FeN/A-1.54+-0.070......-1.54+-0.070...5.96+-0.070Fe

J.A.Rich et al.,ApJ, 701, 1519, 2009(ADS)

BERYLLIUM, OXYGEN, AND IRON ABUNDANCES IN EXTREMELY METAL-DEFICIENT STARS


Stellar Parameters

Teff : 5691+-40 log g : 3.68+-0.1

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
Be IIN/A......0.02+-0.05-1.36+-0.050.17+-0.050.02+-0.05Be II
OHN/A-1.17+-0.06......-0.99+-0.060.54+-0.067.70+-0.06OH
FeN/A-1.53+-0.15......-1.53+-0.15...5.97+-0.15Fe

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A N/A KECKHIRES 46000 N/A N/A N/A

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 : 5815+-100 log g : 3.36+-0.2 vturb : 1.44+-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...-0.12+-0.15-0.16+-0.12-1.54+-0.12-0.08+-0.15-0.16+-0.12Be
ON/A-1.09+-0.22+0.37+-0.24...-1.15+-0.220.31+-0.247.54+-0.22O
MgN/A-0.97+-0.07......-0.99+-0.070.47+-0.076.61+-0.07Mg
TiN/A-1.18+-0.09......-1.11+-0.090.35+-0.093.84+-0.09Ti
FeN/A-1.46+-0.09......-1.46+-0.09...6.04+-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
2004-11-07 N/A KECKHIRES 42000 113 1500 N/A

G.Israelian et al.,AAP, 421, 649, 2004(ADS)

Galactic evolution of nitrogen


Stellar Parameters

Teff : 5734+-67 log g : 3.83+-0.13 vturb : 1.00

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
NHN/A-1.80+-0.15......-1.58+-0.15-0.25+-0.156.25+-0.15NH
FeN/A-1.50......-1.33...6.17Fe

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
1993-10-06 N/A KECKHIRES 45000 66 3600 N/A
1993-10-07 N/A KECKHIRES 45000 N/A N/A N/A