LP635-14

taken from 8 paper(s):

/E.Arnone et al.(2005)/ /P.E.Nissen et al.(2007)/ /A.Hosford et al.(2009)/ /J.A.Rich and A. M. Boesgaard(2009)/ /J.Melendez et al.(2010)/ /D.Fabbian et al.(2009)/ /A.M.Boesgaard et al.(2011)/ /A.M.Amarsi et al.(2019)/

E.Arnone et al.,AAP, 430, 507, 2005(ADS)

Mg abundances in metal-poor halo stars as a tracer of early Galactic mixing


Stellar Parameters

Teff : 6270 log g : 3.7+-0.2 vturb : 1.7+-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
Mg I3-2.19+-0.020.34+-0.02...-2.21+-0.020.32+-0.025.39+-0.02Mg I
Ca I3-2.22+-0.02......-2.20+-0.020.33+-0.024.14+-0.02Ca I
Ti I1-1.78......-1.710.823.24Ti I
Cr I2-2.63+-0.04......-2.60+-0.04-0.07+-0.043.04+-0.04Cr I
Fe I23-2.53+-0.02......-2.53+-0.02...4.97+-0.02Fe I
Fe II1-2.80......-2.80...4.70Fe II

Position

Right Ascension : 20 26 46.83 Declination : -00 37 15.0 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 ANGLO 40000 >100 N/A N/A

P.E.Nissen et al.,AAP, 469, 319, 2007(ADS)

Sulphur and zinc abundances in Galactic halo stars revisited


Stellar Parameters

Teff : 6367 log g : 4.11 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
S IN/A...0.29...-1.890.505.23S I
FeN/A-2.39......-2.39...5.11Fe
Zn IN/A...0.152.36-2.200.192.36Zn I

Position

Right Ascension : 20 26 46.83 Declination : -00 37 15.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2007-06-25 N/A VLT 60000 N/A N/A N/A

A.Hosford et al.,AAP, 493, 601, 2009(ADS)

Lithium abundances of halo dwarfs based on excitation temperature. I. Local thermodynamic equilibrium


Stellar Parameters

Teff : 6319+-114 log g : 4.43+-0.14 vturb : 1.50

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......2.18+-0.074-1.08+-0.0741.40+-0.0742.18+-0.074Li I
FeN/A-2.48......-2.48...5.02Fe
Fe I163-2.49......-2.49...5.01Fe I

Position

Right Ascension : 20 26 46.83 Declination : -00 37 15.0 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 N/A ANGLO 43000 115 N/A N/A

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

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


Stellar Parameters

Teff : 5932 log g : 3.57

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......-1.17+-0.12-2.55+-0.120.16+-0.12-1.17+-0.12Be II
OHN/A-2+-0.12......-1.82+-0.120.89+-0.126.87+-0.12OH
FeN/A-2.71+-0.07......-2.71+-0.07...4.79+-0.07Fe

Position

Right Ascension : 20 26 46.83 Declination : -00 37 15.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2005-07-06 N/A KECKHIRES 48000 N/A N/A N/A
2007-06-10 N/A KECKHIRES 48000 114 9720 N/A

J.Melendez et al.,AAP, 515, L3, 2010(ADS)

Observational evidence for a broken Li Spite plateau and mass-dependent Li depletion


Stellar Parameters

Teff : 6516+-50 log g : 3.98

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......2.35+-0.035-0.91+-0.0351.59+-0.0352.35+-0.035Li
FeN/A-2.50......-2.50...5.00Fe

Position

Right Ascension : 20 26 46.83 Declination : -00 37 15.0 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 N/A KECKHIRES 85000 >100 N/A N/A

D.Fabbian et al.,AAP, 500, 1143, 2009(ADS)

The C/O ratio at low metallicity:constraints on early chemical evolution from observations of Galactic halo stars


Stellar Parameters

Teff : 6367 log g : 4.11

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
CN/A-2.00...6.39-2.040.406.39C
ON/A-1.60...7.06-1.630.817.06O
FeN/A-2.39......-2.44...5.06Fe

Position

Right Ascension : 20 26 46.83 Declination : -00 37 15.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004 N/A VLT 60000 220-300 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 : 5932+-100 log g : 3.57+-0.2 vturb : 1.5+-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+-0.15-1.17+-0.12-2.55+-0.120.16+-0.15-1.17+-0.12Be
ON/A-2.00+-0.22+0.71+-0.24...-2.06+-0.220.65+-0.246.63+-0.22O
MgN/A-2.21+-0.07......-2.23+-0.070.48+-0.075.37+-0.07Mg
TiN/A-2.20+-0.09......-2.13+-0.090.58+-0.092.82+-0.09Ti
FeN/A-2.71+-0.09......-2.71+-0.09...4.79+-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
N/A KECKHIRES 42000 N/A N/A N/A

A.M.Amarsi et al.,AAP, 622, L4, 2019(ADS)

Carbon and oxygen in metal-poor halo stars


Stellar Parameters

Teff : 6352 log g : 4.13

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
CN/A...0.30...-2.040.306.39C
ON/A...0.71...-1.630.717.06O
FeN/A-2.34......-2.34...5.16Fe

Position

Right Ascension : 20 26 46.83 Declination : -00 37 15.17 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 N/A VLT 60000 15-300 N/A N/A