BD-13_3442

taken from 17 paper(s):

/E.Arnone et al.(2005)/ /M.Asplund et al.(2006)/ /P.E.Nissen et al.(2007)/ /C.J.Akerman et al.(2004)/ /J.Melendez et al.(2006)/ /P.E.Nissen et al.(2004)/ /A.M.Boesgaard et al.(1999)/ /A.Hosford et al.(2009)/ /L.Mashonkina et al.(2008)/ /J.A.Rich and A. M. Boesgaard(2009)/ /J.Melendez et al.(2010)/ /C.J.Hansen et al.(2012)/ /A.M.Boesgaard et al.(2011)/ /I.U.Roederer et al.(2018)/ /C.M.Sakari et al.(2018)/ /A.M.Amarsi et al.(2019)/ /R.Smiljanic et al.(2021)/

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 : 6210 log g : 3.6+-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
Mg I3-2.47+-0.030.36+-0.03...-2.49+-0.030.34+-0.035.11+-0.03Mg I
Ca I3-2.4+-0.03......-2.38+-0.030.45+-0.033.96+-0.03Ca I
Fe I9-2.83+-0.02......-2.83+-0.02...4.67+-0.02Fe I

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A ANGLO 40000 >100 N/A N/A

M.Asplund et al.,ApJ, 644, 229, 2006(ADS)

Lithium Isotopic Abundances in Metal-poor Halo Stars


Stellar Parameters

Teff : 6311 log g : 3.86 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......2.16+-0.01-1.10+-0.011.61+-0.012.16+-0.01Li
ON/A-2.09......-2.040.676.65O
FeN/A-2.71......-2.71...4.79Fe

Isotopic Ratio

6Li/7Li 0.001+-0.028

Binary Parameters

Vrad 116.1

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2002-02-06-0627 N/A VLT 120000 400 90 116.1

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

Sulphur and zinc abundances in Galactic halo stars revisited


Stellar Parameters

Teff : 6366 log g : 3.99 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...0.43...-2.050.645.07S I
FeN/A-2.69......-2.69...4.81Fe
Zn IN/A...0.081.99-2.570.121.99Zn I

Position

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

C.J.Akerman et al.,AAP, 414, 931, 2004(ADS)

The evolution of the C/O ratio in metal-poor halo stars


Stellar Parameters

Teff : 6500 log g : 4.16 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
C IN/A......6.13-2.300.316.13C I
O IN/A......6.85-1.840.776.85O I
FeN/A-2.61......-2.61...4.89Fe

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001 N/A VLT 60000 200-300 3600 N/A

J.Melendez et al.,ApJ, 642, 1082, 2006(ADS)

PERMITTED OXYGEN ABUNDANCES AND THE TEMPERATURE SCALE OF METAL-POOR TURNOFF STARS


Stellar Parameters

Teff : 6510+-40 log g : 4.10+-0.30 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
O IN/A......6.89-1.800.816.89O I
Fe IIN/A......4.89-2.61...4.89Fe II

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 60000 200-300 N/A N/A

P.E.Nissen et al.,AAP, 415, 993, 2004(ADS)

Sulphur and zinc abundances in Galactic stars and damped Ly alpha systems


Stellar Parameters

Teff : 6500+-70 log g : 4.16+-0.15 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
S IN/A-2.31......-2.230.384.89S I
Fe IIN/A-2.61......-2.61...4.89Fe II

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001 N/A VLT 60000 150-300 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 : 6273 log g : 3.60 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-1.755+-0.121.185+-0.147.175-1.51+-0.121.26+-0.147.175O
FeN/A-2.94......-2.77...4.73Fe

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1994-03-01 N/A KECKHIRES 45000 129 39900 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 : 6321+-87 log g : 4.46+-0.14 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
Li IN/A......2.20+-0.057-1.06+-0.0571.60+-0.0572.20+-0.057Li I
FeN/A-2.66......-2.66...4.84Fe
Fe I86-2.72......-2.72...4.78Fe I

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A N/A ANGLO 43000 80 N/A N/A

L.Mashonkina et al.,ApJ, 679, 1549, 2008(ADS)

Non-LTE line formation for heavy elements in four very metal-poor stars


Stellar Parameters

Teff : 6390 log g : 3.88+-0.15 vturb : 1.4

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
NaN/A-2.58+-0.08......-2.49+-0.080.17+-0.083.75+-0.08Na
MgN/A-2.29+-0.03......-2.31+-0.030.35+-0.035.29+-0.03Mg
AlN/A-3.47......-3.45-0.793.00Al
KN/A-2.08......-1.990.673.04K
Ca IN/A-2.27+-0.06......-2.25+-0.060.41+-0.064.09+-0.06Ca I
FeN/A-2.66+-0.01......-2.66+-0.01...4.84+-0.01Fe
SrN/A-2.57......-2.470.190.40Sr
BaN/A-3.39......-3.44-0.78-1.26Ba

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2002-02-02 N/A SUBARUHDS 90000 >100 N/A N/A
N/A VLT 48000 >200 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 : 5900+-40 log g : 3.5+-0.44

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......-1.7+-0.21-3.08+-0.21-0.06+-0.21-1.7+-0.21Be II
OHN/A-2.28+-0.12......-2.10+-0.120.92+-0.126.59+-0.12OH
FeN/A-3.02+-0.16......-3.02+-0.16...4.48+-0.16Fe

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2006-01-02 N/A KECKHIRES 48000 194 4800 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 : 6435+-50 log g : 3.93

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......2.22+-0.035-1.04+-0.0351.72+-0.0352.22+-0.035Li
FeN/A-2.76......-2.76...4.74Fe

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A N/A FIESNOT 35000 N/A N/A N/A

C.J.Hansen et al.,AAP, 545, A31, 2012(ADS)

Silver and palladium help unveil the nature of a second r-process


Stellar Parameters

Teff : 6450+-100 log g : 4.20+-0.25 vturb : 1.5+-0.15

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-2.56+-0.15......-2.56+-0.15...4.94+-0.15Fe
SrN/A...0.21+-0.14...-2.35+-0.140.21+-0.140.52+-0.14Sr
YN/A...-0.02+-0.13...-2.58+-0.13-0.02+-0.13-0.37+-0.13Y
ZrN/A...0.44+-0.18...-2.12+-0.180.44+-0.180.46+-0.18Zr

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 : 6090+-100 log g : 4.11+-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...+0.37+-0.15-1.12+-0.12-2.50+-0.120.41+-0.15-1.12+-0.12Be
ON/A-2.15+-0.22+0.76+-0.24...-2.21+-0.220.70+-0.246.48+-0.22O
MgN/A-2.31+-0.07......-2.33+-0.070.58+-0.075.27+-0.07Mg
TiN/A-2.16+-0.09......-2.09+-0.090.82+-0.092.86+-0.09Ti
FeN/A-2.91+-0.09......-2.91+-0.09...4.59+-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

I.U.Roederer et al.,ApJ, 860, 125, 2018(ADS)

Consistent Iron Abundances Derived from Neutral and Singly Ionized Iron Lines in Ultraviolet and Optical Spectra of Six Warm Metal-poor Stars


Stellar Parameters

Teff : 6405+-74 log g : 4.04+-0.15 vturb : 1.60+-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
Fe IN/A-2.84+-0.10......-2.84+-0.10...4.66+-0.10Fe I
Fe IIN/A-2.85+-0.10......-2.85+-0.10...4.65+-0.10Fe II

Position

Right Ascension : 11 46 50.65 Declination : -14 06 43.45 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 49000 110 N/A N/A
N/A N/A VLT 49000 125 N/A N/A
N/A N/A VLT 57000 210 N/A N/A
N/A N/A VLT 57000 230 N/A N/A
2016-12-22 N/A HST 30000 60 8632 N/A
2016-12-24 N/A HST 30000 60 8632 N/A

C.M.Sakari et al.,ApJ, 868, 110, 2018(ADS)

The R-Process Alliance: First Release from the Northern Search for r-process-enhanced Metal-poor Stars in the Galactic Halo


Stellar Parameters

Teff : 6299 log g : 3.69 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
Na2...0.08+-0.13...-2.72+-0.130.08+-0.133.52+-0.13Na
Mg2...0.27+-0.01...-2.53+-0.010.27+-0.015.07+-0.01Mg
Ca8...0.30+-0.01...-2.50+-0.010.30+-0.013.84+-0.01Ca
Sc5...0.25+-0.03...-2.55+-0.030.25+-0.030.60+-0.03Sc
Ti II11...0.57+-0.01...-2.23+-0.010.57+-0.012.72+-0.01Ti II
FeN/A-2.80......-2.80...4.70Fe
Sr2...0.15+-0.09...-2.65+-0.090.15+-0.090.22+-0.09Sr
Ba1...-0.60+-0.20...-3.40+-0.20-0.60+-0.20-1.22+-0.20Ba
EuN/A...<1.70...<-1.10<1.70<-0.58Eu

Binary Parameters

Vrad 115.6+-0.5

Position

Right Ascension : 11 46 50.65 Declination : -14 06 43.2 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2016-12-10 N/A APO 31500 100-230 1800 115.6+-0.5

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

Carbon and oxygen in metal-poor halo stars


Stellar Parameters

Teff : 6357 log g : 3.97

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...0.32...-2.320.326.11C
ON/A...0.82...-1.820.826.87O
FeN/A-2.64......-2.64...4.86Fe

Position

Right Ascension : 11 46 50.65 Declination : -14 06 43.45 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

R.Smiljanic et al.,AAP, 646, A70, 2021(ADS)

Inhomogeneity in the early Galactic chemical enrichment exposed by beryllium abundances in extremely metal-poor stars


Stellar Parameters

Teff : 6505+-155 log g : 4.00+-0.05

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......-13.2-14.58-11.70-13.2Be
FeN/A-2.88+-0.05......-2.88+-0.05...4.62+-0.05Fe

Position

Right Ascension : 11 46 50.65 Declination : -14 06 43.18 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 N/A 150 N/A N/A