HD94028

taken from 27 paper(s):

/R.G.Gratton et al.(2000)/ /T.V.Mishenina et al.(2002)/ /T.V.Mishenina and V. V. Kovtyukh(2001)/ /K.Jonsell et al.(2005)/ /A.M.Besgaard and M. C. Novicki(2006)/ /J.R.Shi et al.(2007)/ /J.P.Fulbright(2000)/ /D.K.Lai et al.(2007)/ /R.G.Gratton et al.(2003)/ /G.Bihain et al.(2004)/ /G.Israelian et al.(1998)/ /A.M.Boesgaard et al.(1999)/ /N.Ryde and D. L. Lambert(2004)/ /M.Takada-Hidai et al.(2002)/ /R.Smiljanic et al.(2009)/ /J.A.Rich and A. M. Boesgaard(2009)/ /A.Ford et al.(2002)/ /T.Gehren et al.(2006)/ /I.U.Roederer et al.(2014)/ /I.U.Roederer et al.(2016)/ /A.M.Boesgaard et al.(2011)/ /I.U.Roederer et al.(2018)/ /R.C.Peterson et al.(2020)/ /I.U.Roederer et al.(2020)/ /I.U.Roederer and J. E. Lawler(2021)/ /R.C.Peterson(2021)/ /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 : 6061 log g : 4.34 vturb : 1.10

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......2.38-0.880.562.38Li I
CN/A...-0.07...-1.390.057.04C
ON/A...0.32...-0.890.557.80O
NaN/A...-0.07...-1.47-0.034.77Na
Fe IN/A-1.39......-1.44...6.06Fe I
Fe IIN/A-1.42......-1.47...6.03Fe II

Isotopic Ratio

12C/13C >30

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

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

T.V.Mishenina et al.,AAP, 396, 189, 2002(ADS)

Abundances of Cu and Zn in metal-poor stars: Clues for Galaxy evolution


Stellar Parameters

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-1.43......-1.43...6.07Fe
Cu IN/A...-0.47+-0.11...-1.88+-0.11-0.45+-0.112.31+-0.11Cu I
Zn IN/A...-0.03+-0.09...-1.42+-0.090.01+-0.093.14+-0.09Zn I

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 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 ELODIE 42000 >100 N/A N/A

T.V.Mishenina et al.,AAP, 370, 951, 2001(ADS)

Analysis of neutron capture elements in metal-poor stars


Stellar Parameters

Teff : 5950 log g : 4.0 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
Mg IN/A...0.17...-1.280.156.32Mg I
Si IN/A...0.35...-1.040.396.47Si I
Ca IN/A...0.41...-1.000.435.34Ca I
FeN/A-1.43......-1.43...6.07Fe
Ba IIN/A...0.06...-1.420.010.76Ba II
Ce IIN/A...0.08...-1.350.080.23Ce II

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 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 ELODIE 42000 >100 N/A N/A

K.Jonsell et al.,AAP, 440, 321, 2005(ADS)

Chemical abundances in 43 metal-poor stars


Stellar Parameters

Teff : 5934 log g : 4.23 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...0.56...-0.860.537.83O I
Na IN/A...-0.05...-1.350.044.89Na I
Mg IN/A...0.30...-1.110.286.49Mg I
Al IN/A...0.46...-0.910.485.54Al I
Si IN/A...0.29...-1.060.336.45Si I
Ca IN/A...0.23...-1.140.255.20Ca I
FeN/A-1.39......-1.39...6.11Fe
Fe IIN/A...-0.09...-1.48-0.096.02Fe II
Ni IN/A...0.06...-1.300.094.92Ni I
Ba IIN/A...-0.04...-1.48-0.090.70Ba II

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 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 CATCESESO 60000 200 N/A N/A

A.M.Besgaard et al.,ApJ, 641, 1122, 2006(ADS)

Beryllium in Disk and Halo Stars: Evidence for a Beryllium Dispersion in Old Stars


Stellar Parameters

Teff : 5907+-69 log g : 4.44+-0.20 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......2.25-1.010.522.25Li
BeN/A......0.51+-0.12-0.87+-0.120.66+-0.120.51+-0.12Be
FeN/A-1.54......-1.53...5.97Fe

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2003-05-27 N/A SUBARUHDS 50000 134 600 N/A

J.R.Shi et al.,AAP, 465, 587, 2007(ADS)

Lithium abundances in metal-poor stars (Research Note)


Stellar Parameters

Teff : 5925 log g : 4.19 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......2.21-1.050.452.21Li I
FeN/A-1.51......-1.50...6.00Fe

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 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 FOCES 40000 100-400 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 : 5900 log g : 4.2 vturb : 1.45

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......2.2-1.060.472.2Li I
Na IN/A...0.03...-1.430.104.81Na I
Mg IN/A...0.53...-1.040.496.56Mg I
Al IN/A...0.22...-1.310.225.14Al I
Si IN/A...0.55...-0.960.576.55Si I
Ca IN/A...0.38...-1.150.385.19Ca I
TiN/A...0.4...-1.110.423.84Ti
V IN/A...0.03...-1.450.082.48V I
Cr IN/A...-0.01...-1.530.004.11Cr I
FeN/A-1.55......-1.53...5.97Fe
Ni IN/A...0.08...-1.440.094.78Ni I
Y IIN/A...0.14...-1.380.150.83Y II
Ba IIN/A...0.28...-1.320.210.86Ba II
Eu IIN/A...0.33...-1.230.30-0.71Eu II

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1995-06-10 N/A LICKHAMILTON 50000 110 500 N/A

D.K.Lai et al.,ApJ, 667, 1185, 2007(ADS)

Carbon and Strontium Abundances of Metal-poor Stars


Stellar Parameters

Teff : 5925 log g : 4.63

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...-0.05+-0.17...-1.28+-0.17-0.09+-0.177.15+-0.17C
FeN/A-1.36......-1.19...6.31Fe
SrN/A...0.36...-0.970.221.90Sr
BaN/A...-0.04...-1.45-0.260.73Ba

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 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 KECKII 7000 N/A N/A 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 : 5995 log g : 4.3 vturb : 1.26

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...0.68+-0.069...-0.74+-0.0690.76+-0.0697.95+-0.069O I
Na IN/A...-0.07+-0.054...-1.59+-0.054-0.09+-0.0544.65+-0.054Na I
Mg IN/A...0.53+-0.055...-1.13+-0.0550.37+-0.0556.47+-0.055Mg I
Si IN/A...0.35+-0.048...-1.12+-0.0480.38+-0.0486.39+-0.048Si I
Ca IN/A...0.32+-0.033...-1.24+-0.0330.26+-0.0335.10+-0.033Ca I
Ti IN/A...0.3+-0.03...-1.07+-0.030.43+-0.033.88+-0.03Ti I
Ti IIN/A...0.23+-0.048...-1.14+-0.0480.36+-0.0483.81+-0.048Ti II
Fe IN/A-1.49+-0.051......-1.50+-0.051...6.00+-0.051Fe I
Fe IIN/A-1.56+-0.066......-1.57+-0.066...5.93+-0.066Fe II

Binary Parameters

Binarity Positive

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 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 MCDONALD 80000 200 N/A 61.9

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

Cu and Zn in the early Galaxy


Stellar Parameters

Teff : 6058+-72 log g : 4.27+-0.06 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-1.49......-1.32...6.18Fe
Cu IN/A-1.79+-0.29......-1.77+-0.29-0.45+-0.292.42+-0.29Cu I
Zn IN/A-1.39+-0.17......-1.35+-0.17-0.03+-0.173.21+-0.17Zn I

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 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 WHTUES 50000 80-150 N/A N/A

G.Israelian et al.,ApJ, 507, 805, 1998(ADS)

Oxygen Abundances in Unevolved Metal-poor Stars from Near-Ultraviolet OH Lines


Stellar Parameters

Teff : 5975+-120 log g : 4.10+-0.10

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
OHN/A-0.91+-0.250.69...-0.67+-0.250.768.02+-0.25OH
FeN/A-1.60+-0.10......-1.43+-0.10...6.07+-0.10Fe

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 N/A WHTUES 50000 30-50 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 : 6043 log g : 4.45 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-0.87+-0.080.59+-0.118.06-0.63+-0.080.66+-0.118.06O
FeN/A-1.46......-1.29...6.21Fe

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1995-03-15 N/A KECKHIRES 45000 60 1200 N/A

N.Ryde et al.,AAP, 415, 559, 2004(ADS)

On the Galactic chemical evolution of sulfur


Stellar Parameters

Teff : 5980+-100 log g : 4.30+-0.15 vturb : 1.5+-0.5

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-1.270.085.93-1.190.165.93S I
Fe IIN/A-1.35...6.15-1.35...6.15Fe II

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2002-04-27 N/A MCDONALD 60000 N/A 3600 N/A

M.Takada-Hidai et al.,ApJ, 573, 614, 2002(ADS)

Behavior of Sulfur Abundances in Metal-poor Giants and Dwarfs


Stellar Parameters

Teff : 5980+-100 log g : 4.30+-0.15 vturb : 1.5+-0.5

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-1.15...6.06-1.060.396.06S I
Fe IN/A-1.46...6.05-1.45...6.05Fe I

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

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 : 5900 log g : 4.27 vturb : 1.45

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......2.21-1.050.352.21Li
BeN/A......0.2-1.180.220.2Be
FeN/A-1.4......-1.40...6.10Fe

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

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

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


Stellar Parameters

Teff : 5907+-64 log g : 4.44+-0.17

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......0.39+-0.08-0.99+-0.080.55+-0.080.39+-0.08Be II
OHN/A-1.17+-0.1......-0.99+-0.10.55+-0.17.70+-0.1OH
FeN/A-1.54+-0.09......-1.54+-0.09...5.96+-0.09Fe

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 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 46000 N/A N/A N/A

A.Ford et al.,AAP, 393, 617, 2002(ADS)

Lithium 6104 A in Population II stars


Stellar Parameters

Teff : 6001 log g : 4.15

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
Li IN/A......2.29+-0.02-0.97+-0.020.53+-0.022.29+-0.02Li I
FeN/A-1.50......-1.50...6.00Fe

Binary Parameters

Binarity Positive

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1998-11 N/A WHTUES 50000 270 N/A N/A
1999-12 N/A WHTUES 50000 270 N/A N/A

T.Gehren et al.,AAP, 451, 1065, 2006(ADS)

Na, Mg and Al abundances as a population discriminant for nearby metal-poor stars


Stellar Parameters

Teff : 5925 log g : 4.19+-0.10 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
Na I4...0.02...-1.400.104.84Na I
Mg I6...0.35...-1.180.326.42Mg I
FeN/A-1.51......-1.50...6.00Fe

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 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 FOCES 40000 200 4800 N/A

I.U.Roederer et al.,AJ, 147, 136, 2014(ADS)

A SEARCH FOR STARS OF VERY LOW METAL ABUNDANCE. VI. DETAILED ABUNDANCES OF 313 METAL-POOR STARS


Stellar Parameters

Teff : 5730+-43 log g : 3.7+-0.2 vturb : 1+-0.06

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 I1......2.08-1.180.582.08Li I
CH1...-0.04+-0.256.57-1.86-0.10+-0.256.57CH
CN1...<0.49<6.50<-1.33<0.43<6.50CN
O I2...0.44+-0.207.37-1.320.44+-0.207.37O I
Na I2...0.09+-0.224.57-1.670.09+-0.224.57Na I
Mg I4...0.43+-0.246.27-1.330.43+-0.246.27Mg I
Al I1...-0.30+-0.344.39-2.06-0.30+-0.344.39Al I
Si I2...0.48+-0.266.24-1.270.49+-0.266.24Si I
K I1...0.46+-0.233.73-1.300.46+-0.233.73K I
Ca I10...0.46+-0.255.04-1.300.46+-0.255.04Ca I
Sc II6...0.11+-0.131.45-1.700.06+-0.131.45Sc II
Ti I14...0.21+-0.203.40-1.550.21+-0.203.40Ti I
Ti II22...0.39+-0.143.53-1.420.34+-0.143.53Ti II
V I1...-0.04+-0.222.13-1.80-0.04+-0.222.13V I
V II2...0.25+-0.232.37-1.560.20+-0.232.37V II
Cr I11...-0.15+-0.203.73-1.91-0.15+-0.203.73Cr I
Cr II3...0.32+-0.144.15-1.490.27+-0.144.15Cr II
Mn I7...-0.36+-0.213.31-2.12-0.36+-0.213.31Mn I
Fe I96-1.76+-0.21...5.74-1.76+-0.21...5.74Fe I
Fe II10-1.81+-0.14...5.69-1.81+-0.14...5.69Fe II
Co I2...-0.25+-0.242.98-2.01-0.25+-0.242.98Co I
Ni I6...0.04+-0.234.50-1.720.04+-0.234.50Ni I
Cu I1...-0.50+-0.231.93-2.26-0.50+-0.231.93Cu I
Zn I3...0.15+-0.202.95-1.610.15+-0.202.95Zn I
Sr II2...0.38+-0.151.44-1.430.33+-0.151.44Sr II
Y II3...0.06+-0.150.46-1.750.01+-0.150.46Y II
Zr II3...0.49+-0.141.25-1.330.43+-0.141.25Zr II
Nb II1...<1.50<1.15<-0.31<1.45<1.15Nb II
Mo I1...<0.71<0.83<-1.05<0.71<0.83Mo I
Tc I1......<1.16<1.16<2.92<1.16Tc I
Ba II3...0.33+-0.130.70-1.480.28+-0.130.70Ba II
La II4...0.20+-0.18-0.51-1.610.15+-0.18-0.51La II
Ce II2...0.29+-0.190.05-1.530.23+-0.190.05Ce II
Pr II1...<1.29<0.20<-0.52<1.24<0.20Pr II
Nd II1...0.05+-0.19-0.34-1.76-0.00+-0.19-0.34Nd II
Sm II2...<0.35<-0.50<-1.46<0.30<-0.50Sm II
Eu II2...0.13+-0.16-1.16-1.680.08+-0.16-1.16Eu II
Gd II2...<0.75<0.01<-1.06<0.70<0.01Gd II
Dy II1...0.25+-0.16-0.46-1.560.20+-0.16-0.46Dy II
Er II2...<0.76<-0.13<-1.05<0.71<-0.13Er II
Tm II2...<0.71<-1.00<-1.12<0.64<-1.00Tm II
Yb II1...-0.12+-0.21-1.01-1.93-0.17+-0.21-1.01Yb II
Hf II2...<1.15<0.19<-0.52<1.24<0.19Hf II
Ir I1...<1.63<1.25<-0.13<1.63<1.25Ir I
Pb I1...<1.18<1.46<-0.58<1.18<1.46Pb I

Binary Parameters

Binarity Negative
Vrad 65.6

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2009-02-18-05:30 2454880.735 MCDONALD 33000 55-170 2400 65.9
2009-06-12-02:43 2454994.612 MCDONALD 33000 55-170 900 65.3

I.U.Roederer et al.,ApJ, 821, 37, 2016(ADS)

The Diverse Origins of Neutron-capture Elements in the Metal-poor Star HD 94028: Possible Detection of Products of I-Process Nucleosynthesis


Stellar Parameters

Teff : 5270+-71 log g : 4.31+-0.16 vturb : 0.90+-0.30

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 I1...0.05+-0.082.03+-0.08-1.23+-0.080.52+-0.082.03+-0.08Li I
C1...-0.06+-0.256.62+-0.25-1.81+-0.25-0.06+-0.256.62+-0.25C
N1...<0.93<7.01<-0.82<0.93<7.01N
O I2...0.62+-0.207.56+-0.20-1.13+-0.200.62+-0.207.56+-0.20O I
Na I2...0.08+-0.224.57+-0.22-1.67+-0.220.08+-0.224.57+-0.22Na I
Mg I4...0.34+-0.246.19+-0.24-1.41+-0.240.34+-0.246.19+-0.24Mg I
Al I1...0.08+-0.344.78+-0.34-1.67+-0.340.08+-0.344.78+-0.34Al I
Si I2...0.39+-0.266.15+-0.26-1.36+-0.260.39+-0.266.15+-0.26Si I
P I1...0.39+-0.194.05+-0.19-1.38+-0.190.37+-0.194.05+-0.19P I
K I1...0.33+-0.233.61+-0.23-1.42+-0.230.33+-0.233.61+-0.23K I
Ca I10...0.35+-0.254.94+-0.25-1.40+-0.250.35+-0.254.94+-0.25Ca I
Sc II6...0.18+-0.131.71+-0.13-1.44+-0.130.31+-0.131.71+-0.13Sc II
Ti I14...0.20+-0.203.40+-0.20-1.55+-0.200.20+-0.203.40+-0.20Ti I
Ti II22...0.41+-0.143.74+-0.14-1.21+-0.140.54+-0.143.74+-0.14Ti II
V I1...0.03+-0.222.21+-0.22-1.72+-0.220.03+-0.222.21+-0.22V I
V II2...0.26+-0.232.57+-0.23-1.36+-0.230.39+-0.232.57+-0.23V II
Cr I11...-0.17+-0.203.72+-0.20-1.92+-0.20-0.17+-0.203.72+-0.20Cr I
Cr II3...0.36+-0.144.38+-0.14-1.26+-0.140.49+-0.144.38+-0.14Cr II
Mn I7...-0.38+-0.213.30+-0.21-2.13+-0.21-0.38+-0.213.30+-0.21Mn I
Fe I96-1.75+-0.10...5.75+-0.10-1.75+-0.10...5.75+-0.10Fe I
Fe II10-1.62+-0.09...5.88+-0.09-1.62+-0.09...5.88+-0.09Fe II
Co I2...-0.12+-0.243.12+-0.24-1.87+-0.24-0.12+-0.243.12+-0.24Co I
Ni I6...0.05+-0.234.52+-0.23-1.70+-0.230.05+-0.234.52+-0.23Ni I
Cu I1...-0.48+-0.151.96+-0.15-2.23+-0.15-0.48+-0.151.96+-0.15Cu I
Cu II4...-0.27+-0.142.30+-0.14-1.89+-0.14-0.14+-0.142.30+-0.14Cu II
Zn I3...0.27+-0.203.08+-0.20-1.48+-0.200.27+-0.203.08+-0.20Zn I
Zn II1...0.32+-0.113.26+-0.11-1.30+-0.110.45+-0.113.26+-0.11Zn II
Ge I3...-0.34+-0.201.56+-0.20-2.09+-0.20-0.34+-0.201.56+-0.20Ge I
As I2...0.63+-0.161.18+-0.16-1.12+-0.160.63+-0.161.18+-0.16As I
Se I3...0.47+-0.202.06+-0.20-1.28+-0.200.47+-0.202.06+-0.20Se I
Rb I1...<1.80<2.70<0.34<2.09<2.70Rb I
Sr II2...0.11+-0.151.36+-0.15-1.51+-0.150.24+-0.151.36+-0.15Sr II
Y II3...0.09+-0.150.68+-0.15-1.53+-0.150.22+-0.150.68+-0.15Y II
Zr II3...0.57+-0.141.53+-0.14-1.05+-0.140.70+-0.141.53+-0.14Zr II
Nb II1...<1.10<0.94<-0.52<1.23<0.94Nb II
Mo I1...0.55+-0.220.68+-0.22-1.20+-0.220.55+-0.220.68+-0.22Mo I
Mo II3...0.97+-0.201.23+-0.20-0.65+-0.201.10+-0.201.23+-0.20Mo II
Tc I1......<0.96<0.96<2.71<0.96Tc I
Ru I1...0.69+-0.180.69+-0.18-1.06+-0.180.69+-0.180.69+-0.18Ru I
Pd I1...0.09+-0.22-0.01+-0.22-1.58+-0.220.17+-0.22-0.01+-0.22Pd I
Ag I1...<0.15<-0.40<-1.60<0.15<-0.40Ag I
Cd I1...0.57+-0.250.53+-0.25-1.18+-0.250.57+-0.250.53+-0.25Cd I
Cd II1...-0.02+-0.250.07+-0.25-1.64+-0.250.11+-0.250.07+-0.25Cd II
Te I1...0.01+-0.330.44+-0.33-1.74+-0.330.01+-0.330.44+-0.33Te I
Ba II3...0.32+-0.130.88+-0.13-1.30+-0.130.45+-0.130.88+-0.13Ba II
La II4...0.24+-0.18-0.28+-0.18-1.38+-0.180.37+-0.18-0.28+-0.18La II
Ce II2...0.29+-0.190.25+-0.19-1.33+-0.190.42+-0.190.25+-0.19Ce II
Pr II1...<1.25<0.35<-0.37<1.38<0.35Pr II
Nd II1...0.08+-0.19-0.12+-0.19-1.54+-0.190.21+-0.19-0.12+-0.19Nd II
Sm II2...<0.31<-0.35<-1.31<0.44<-0.35Sm II
Eu II2...0.22+-0.16-0.88+-0.16-1.40+-0.160.35+-0.16-0.88+-0.16Eu II
Gd II2...<0.45<-0.10<-1.17<0.58<-0.10Gd II
Dy II1...0.13+-0.16-0.39+-0.16-1.49+-0.160.26+-0.16-0.39+-0.16Dy II
Er II2...<0.65<-0.05<-0.97<0.78<-0.05Er II
Tm II2...<0.57<-0.95<-1.07<0.68<-0.95Tm II
Yb II3...0.24+-0.20-0.46+-0.20-1.38+-0.200.37+-0.20-0.46+-0.20Yb II
Lu II1...0.90+-0.25-0.62+-0.25-0.71+-0.251.04+-0.25-0.62+-0.25Lu II
Hf II2...<0.92<0.15<-0.56<1.19<0.15Hf II
W II2...<0.57<-0.40<-1.25<0.50<-0.40W II
Os II2...0.35+-0.150.13+-0.15-1.27+-0.150.48+-0.150.13+-0.15Os II
Ir I1...<1.87<1.50<0.12<1.87<1.50Ir I
Pt I2...0.35+-0.150.22+-0.15-1.40+-0.150.35+-0.150.22+-0.15Pt I
Hg II1...<0.75<0.30<-0.87<0.88<0.30Hg II
Pb I1...0.79+-0.321.08+-0.32-0.96+-0.320.79+-0.321.08+-0.32Pb I

Binary Parameters

Binarity Negative
Vrad 0.64

Position

Right Ascension : 10 51 28.12 Declination : +20 16 39.0 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 HST 110000 35 N/A N/A
N/A HST 3000 20-40 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 : 5907+-100 log g : 4.44+-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...+0.57+-0.15+0.45+-0.12-0.93+-0.120.61+-0.15+0.45+-0.12Be
ON/A-1.15+-0.22+0.39+-0.24...-1.21+-0.220.33+-0.247.48+-0.22O
FeN/A-1.54+-0.09......-1.54+-0.09...5.96+-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 : 6087+-84 log g : 4.37+-0.13 vturb : 1.10+-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-1.54+-0.10......-1.54+-0.10...5.96+-0.10Fe I
Fe IIN/A-1.65+-0.11......-1.65+-0.11...5.85+-0.11Fe II

Position

Right Ascension : 10 51 28.12 Declination : +20 16 38.96 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 HST 114000 40 N/A N/A
N/A N/A HST 30000 40 N/A N/A
N/A N/A TULL 33000 140 N/A N/A
N/A N/A VLT 37000 70 N/A N/A

R.C.Peterson et al.,AAP, 638, 64, 2020(ADS)

Trans-iron Ge, As, Se, and heavier elements in the dwarf metal-poor stars HD 19445, HD 84937, HD 94028, HD 140283, and HD 160617


Stellar Parameters

Teff : 6050 log g : 4.3 vturb : 1.2

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
FeN/A-1.40......-1.40...6.10Fe
GeN/A...-0.371.86-1.79-0.391.86Ge
AsN/A...+0.211.11+-0.13-1.19+-0.130.211.11+-0.13As
SeN/A...+0.362.30+-0.08-1.04+-0.080.362.30+-0.08Se
SrN/A...+0.361.79-1.080.321.79Sr
YN/A...+0.090.90-1.310.090.90Y
ZrN/A...+0.371.56-1.020.381.56Zr
MoN/A...+0.811.29+-0.13-0.59+-0.130.811.29+-0.13Mo
RuN/A...+0.600.95+-0.18-0.80+-0.180.600.95+-0.18Ru
CdN/A...-0.030.34+-0.06-1.37+-0.060.030.34+-0.06Cd
SnN/A...+0.471.09+-0.07-0.98+-0.070.421.09+-0.07Sn
BaN/A...+0.171.02-1.160.241.02Ba
EuN/A...+0.15-0.73-1.250.15-0.73Eu

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
2000 N/A HST 114000 >50 N/A N/A
2016 N/A HST 114000 >50 N/A N/A

I.U.Roederer et al.,ApJ, 902, L24, 2020(ADS)

Detection of Pb II in the Ultraviolet Spectra of Three Metal-poor Stars


Stellar Parameters

Teff : 6087+-84 log g : 4.37+-0.13 vturb : 1.10+-0.20

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
FeN/A-1.65+-0.08......-1.65+-0.08...5.85+-0.08Fe
BaN/A...+0.53+-0.091.06+-0.11-1.12+-0.110.53+-0.091.06+-0.11Ba
EuN/A...+0.51+-0.13-0.62+-0.13-1.14+-0.130.51+-0.13-0.62+-0.13Eu
PbN/A...+0.95+-0.141.34+-0.12-0.70+-0.120.95+-0.141.34+-0.12Pb

Binary Parameters

Binarity Negative

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 HST 114000 50 N/A N/A

I.U.Roederer et al.,ApJ, 912, 119, 2021(ADS)

Detection of Al II in the Ultraviolet Spectra of Metal-poor Stars: An Empirical LTE Test of NLTE Aluminum Abundance Calculations


Stellar Parameters

Teff : 6087 log g : 4.37 vturb : 1.10

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
AlN/A...+0.29+-0.20...-1.27+-0.200.29+-0.205.18+-0.20Al
Al I6......4.72+-0.11-1.73+-0.11-0.17+-0.114.72+-0.11Al I
Al II1......5.18+-0.20-1.27+-0.200.29+-0.205.18+-0.20Al II
Fe IIN/A-1.56+-0.09......-1.56+-0.09...5.94+-0.09Fe II

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 N/A HST 114000 N/A N/A N/A
N/A N/A HST 114000 N/A N/A N/A
N/A N/A TULL 33000 N/A N/A N/A

R.C.Peterson et al.,ApJ, 914, L22, 2021(ADS)

The Abundance of Lead in Four Metal-poor Stars


Stellar Parameters

Teff : 6050 log g : 4.3 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
FeN/A-1.40......-1.40...6.10Fe
BaN/A...+0.17...-1.160.241.02Ba
EuN/A...+0.15...-1.250.15-0.73Eu
PbN/A...+0.3+-0.2...-1.08+-0.20.32+-0.20.96+-0.2Pb

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 N/A HST 114000 >50 N/A N/A

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

Galactic evolution of nitrogen


Stellar Parameters

Teff : 6058+-72 log g : 4.27+-0.06 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-1.34+-0.12......-1.12+-0.120.20+-0.126.71+-0.12NH
FeN/A-1.49......-1.32...6.18Fe

Position

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

Observing Log