HD19445

taken from 29 paper(s):

/P.E.Nissen et al.(2002)/ /R.G.Gratton et al.(2000)/ /G.Israelian and R. Rebolo(2001)/ /T.V.Mishenina et al.(2002)/ /T.V.Mishenina and V. V. Kovtyukh(2001)/ /M.Asplund et al.(2006)/ /J.R.Shi et al.(2007)/ /J.P.Fulbright(2000)/ /R.G.Gratton et al.(2003)/ /G.Bihain et al.(2004)/ /G.Israelian et al.(1998)/ /A.M.Boesgaard et al.(1999)/ /M.Bergemann and T. Gehren(2008)/ /N.Ryde and D. L. Lambert(2004)/ /R.Smiljanic et al.(2009)/ /J.A.Rich and A. M. Boesgaard(2009)/ /M.Bergemann et al.(2010)/ /M.Bergemann and G. Cescutti(2010)/ /Y.Takeda and M. Takada-Hidai(2011)/ /T.Gehren et al.(2006)/ /C.J.Hansen et al.(2012)/ /I.U.Roederer et al.(2014)/ /A.M.Boesgaard et al.(2011)/ /T.Mishenina et al.(2017)/ /I.U.Roederer et al.(2018)/ /R.C.Peterson et al.(2020)/ /I.U.Roederer and J. E. Lawler(2021)/ /G.Israelian et al.(2004)/ /B.E.Reddy et al.(2006)/

P.E.Nissen et al.,AAP, 390, 235, 2002(ADS)

O/Fe in metal-poor main sequence and subgiant stars


Stellar Parameters

Teff : 5910 log g : 4.40 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
[O I]N/A...0.69...-1.300.717.39[O I]
FeN/A-2.04......-2.01...5.49Fe

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-04 N/A VLT 55000 300-400 N/A N/A

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

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


Stellar Parameters

Teff : 6047 log g : 4.51 vturb : 0.80

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......2.35-0.911.102.35Li I
CN/A...-0.03...-1.920.096.51C
ON/A...0.43...-1.350.667.34O
NaN/A...0.04...-1.930.084.31Na
Fe IN/A-1.96......-2.01...5.49Fe I
Fe IIN/A-1.94......-1.99...5.51Fe II

Isotopic Ratio

12C/13C >40

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 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

G.Israelian et al.,ApJ, 557, L43, 2001(ADS)

Sulphur Abundance in Very Metal-poor Stars


Stellar Parameters

Teff : 5810+-150 log g : 4.46+-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
SN/A-1.230.65...-1.140.745.98S
FeN/A-1.88......-1.88...5.62Fe

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-08-17 N/A WHTUES 50000 650 10900 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-1.89......-1.89...5.61Fe
Cu IN/A...-0.54+-0.1...-2.41+-0.1-0.52+-0.11.78+-0.1Cu I
Zn IN/A...-0.04+-0.08...-1.89+-0.080.00+-0.082.67+-0.08Zn I

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 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 : 6000 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...0.14...-1.770.125.83Mg I
Si IN/A...0.40...-1.450.446.06Si I
Ca IN/A...0.42...-1.450.444.89Ca I
FeN/A-1.89......-1.89...5.61Fe
Ba IIN/A...-0.17...-2.11-0.220.07Ba II

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 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

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

Lithium Isotopic Abundances in Metal-poor Halo Stars


Stellar Parameters

Teff : 5980 log g : 4.42 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
LiN/A......2.21+-0.01-1.05+-0.010.97+-0.012.21+-0.01Li
ON/A-1.38......-1.330.697.36O
FeN/A-2.02......-2.02...5.48Fe

Isotopic Ratio

6Li/7Li 0.002+-0.008

Binary Parameters

Vrad -139.7

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-08-04-1013 N/A VLT 120000 790 20 -139.7

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

Lithium abundances in metal-poor stars (Research Note)


Stellar Parameters

Teff : 6032 log g : 4.40 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......2.28-0.981.092.28Li I
FeN/A-2.08......-2.07...5.43Fe

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 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 : 5825 log g : 4.2 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
Li IN/A......2.25-1.011.102.25Li I
Na IN/A...-0.05...-2.090.024.15Na I
Mg IN/A...0.52...-1.630.485.97Mg I
Si IN/A...0.73...-1.360.756.15Si I
Ca IN/A...0.35...-1.760.354.58Ca I
TiN/A...0.37...-1.720.393.23Ti
Cr IN/A...-0.05...-2.15-0.043.49Cr I
FeN/A-2.13......-2.11...5.39Fe
Ni IN/A...0.05...-2.050.064.17Ni I
Y IIN/A...-0.1...-2.20-0.090.01Y II
Ba IIN/A...-0.14...-2.32-0.21-0.14Ba II

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1994-11-12 N/A LICKHAMILTON 50000 145 2700 N/A
1998-10-30 N/A LICKHAMILTON 50000 130 900 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 : 5976 log g : 4.44 vturb : 1.09

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...0.81+-0.069...-1.20+-0.0690.89+-0.0697.49+-0.069O I
Na IN/A...0.07+-0.054...-2.04+-0.0540.05+-0.0544.20+-0.054Na I
Mg IN/A...0.52+-0.055...-1.73+-0.0550.36+-0.0555.87+-0.055Mg I
Si IN/A...0.48+-0.048...-1.58+-0.0480.51+-0.0485.93+-0.048Si I
Ca IN/A...0.34+-0.033...-1.81+-0.0330.28+-0.0334.53+-0.033Ca I
Ti IN/A...0.29+-0.03...-1.67+-0.030.42+-0.033.28+-0.03Ti I
Ti IIN/A...0.27+-0.048...-1.69+-0.0480.40+-0.0483.26+-0.048Ti II
Fe IN/A-2.08+-0.051......-2.09+-0.051...5.41+-0.051Fe I
Fe IIN/A-2.13+-0.066......-2.14+-0.066...5.36+-0.066Fe II

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 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 -139.3

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

Cu and Zn in the early Galaxy


Stellar Parameters

Teff : 6095+-69 log g : 4.45+-0.05 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-2.04......-1.87...5.63Fe
Cu IN/A-2.69+-0.14......-2.67+-0.14-0.80+-0.141.52+-0.14Cu I
Zn IN/A-1.69+-0.12......-1.65+-0.120.22+-0.122.91+-0.12Zn I

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 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 : 5810+-150 log g : 4.30+-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-1.36+-0.320.79...-1.12+-0.320.867.57+-0.32OH
FeN/A-2.15+-0.10......-1.98+-0.10...5.52+-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 : 5996 log g : 4.48 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-1.23+-0.080.78+-0.117.70-0.99+-0.080.85+-0.117.70O
FeN/A-2.01......-1.84...5.66Fe

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 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 88 1200 N/A

M.Bergemann et al.,AAP, 492, 823, 2008(ADS)

NLTE abundances of Mn in a sample of metal-poor stars


Stellar Parameters

Teff : 5985+-80 log g : 4.39+-0.05 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
MgN/A...0.38...-1.600.366.00Mg
Mn10...-0.52...-2.52-0.562.91Mn
FeN/A-1.96+-0.05......-1.96+-0.05...5.54+-0.05Fe

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 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 60000 200 N/A N/A

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

On the Galactic chemical evolution of sulfur


Stellar Parameters

Teff : 5810+-150 log g : 4.46+-0.2 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-1.700.205.50-1.620.285.50S I
Fe IIN/A-1.90...5.60-1.90...5.60Fe II

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-11-29 N/A MCDONALD 60000 N/A 10 N/A

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 : 5825 log g : 4.42 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
LiN/A......2.18-1.080.922.18Li
BeN/A......-0.58-1.960.04-0.58Be
FeN/A-2......-2.00...5.50Fe

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 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 : 5853+-40 log g : 4.41+-0.23

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......-0.48+-0.06-1.86+-0.060.24+-0.06-0.48+-0.06Be II
OHN/A-1.53+-0.1......-1.35+-0.10.75+-0.17.34+-0.1OH
FeN/A-2.1+-0.12......-2.10+-0.12...5.40+-0.12Fe

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 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

M.Bergemann et al.,MNRAS, 401, 1334, 2010(ADS)

NLTE analysis of Co i /Co ii lines in spectra of cool stars with new laboratory hyperfine splitting constants


Stellar Parameters

Teff : 5985+-80 log g : 4.39+-0.05 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
FeN/A-1.96......-1.96...5.54Fe
Co1...0.08...-1.880.083.11Co

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 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 N/A N/A N/A N/A

M.Bergemann et al.,AAP, 522, A9, 2010(ADS)

Chromium: NLTE abundances in metal-poor stars and nucleosynthesis in the Galaxy


Stellar Parameters

Teff : 5985+-1000 log g : 4.39+-0.05 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
Cr I7...-0.3+-0.06...-2.24+-0.06-0.28+-0.063.40+-0.06Cr I
Cr II3...-0.11+-0.03...-2.05+-0.03-0.09+-0.033.59+-0.03Cr II
FeN/A-1.96......-1.96...5.54Fe

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 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 N/A N/A N/A
2001 N/A VLT 40000 N/A N/A N/A

Y.Takeda et al.,PASJ, 63, S537, 2011(ADS)

Exploring the [S/Fe] Behavior of Metal-Poor Stars with the Si 1.046 um Lines


Stellar Parameters

Teff : 6130 log g : 4.39 vturb : 2.10

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
S IN/A......5.48-1.640.415.48S I
FeN/A-2.05......-2.05...5.45Fe

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2009-07-29 N/A SUBARUIRCS 20000 100-200 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 : 5985 log g : 4.39+-0.08 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 I2...-0.11...-1.98-0.034.26Na I
Mg I5...0.26...-1.720.235.88Mg I
FeN/A-1.96......-1.95...5.55Fe

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 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 3600 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 : 5982+-100 log g : 4.38+-0.25 vturb : 1.4+-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-2.13+-0.15......-2.13+-0.15...5.37+-0.15Fe
SrN/A...0.13+-0.11...-2.00+-0.110.13+-0.110.87+-0.11Sr
YN/A...-0.1+-0.12...-2.23+-0.12-0.10+-0.12-0.02+-0.12Y
ZrN/A...0.29+-0.15...-1.84+-0.150.29+-0.150.74+-0.15Zr
PdN/A...0.00+-0.27...-2.13+-0.270.00+-0.27-0.56+-0.27Pd
BaN/A...-0.02+-0.14...-2.15+-0.14-0.02+-0.140.03+-0.14Ba
EuN/A...0.37+-0.23...-1.76+-0.230.37+-0.23-1.24+-0.23Eu

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 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 VLT 40000 >100 N/A 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 : 5820+-38 log g : 3.65+-0.15 vturb : 1.25+-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......2.10-1.161.132.10Li I
CH1...0.39+-0.256.42-2.010.28+-0.256.42CH
CN1...<1.47<6.90<-0.93<1.36<6.90CN
O I2...0.22+-0.226.63-2.060.23+-0.226.63O I
Mg I5...0.46+-0.225.77-1.830.46+-0.225.77Mg I
Al I1...-0.56+-0.333.60-2.85-0.56+-0.333.60Al I
K I1...0.14+-0.232.88-2.150.14+-0.232.88K I
Ca I12...0.43+-0.224.48-1.860.43+-0.224.48Ca I
Sc II5...-0.04+-0.150.71-2.44-0.15+-0.150.71Sc II
Ti I12...0.28+-0.212.95-2.000.29+-0.212.95Ti I
Ti II25...0.36+-0.142.91-2.040.25+-0.142.91Ti II
V II2...0.15+-0.271.68-2.250.04+-0.271.68V II
Cr I10...-0.15+-0.213.20-2.44-0.15+-0.213.20Cr I
Cr II2...0.22+-0.153.45-2.190.10+-0.153.45Cr II
Mn I6...-0.34+-0.222.80-2.63-0.34+-0.222.80Mn I
Fe I106-2.29+-0.21...5.21-2.29+-0.21...5.21Fe I
Fe II11-2.40+-0.14...5.10-2.40+-0.14...5.10Fe II
Co I2...0.00+-0.232.71-2.280.01+-0.232.71Co I
Ni I9...0.04+-0.253.98-2.240.05+-0.253.98Ni I
Zn I2...0.21+-0.212.48-2.080.21+-0.212.48Zn I
Sr II2...0.28+-0.240.75-2.120.17+-0.240.75Sr II
Y II2...-0.31+-0.19-0.50-2.71-0.42+-0.19-0.50Y II
Zr II1...0.23+-0.240.41-2.170.12+-0.240.41Zr II
Nb II1...<1.73<0.79<-0.67<1.62<0.79Nb II
Mo I1...<1.14<0.73<-1.15<1.14<0.73Mo I
Tc I1......<0.88<0.88<3.17<0.88Tc I
Ba II4...-0.23+-0.15-0.45-2.63-0.34+-0.15-0.45Ba II
La II4...<0.23<-1.07<-2.17<0.12<-1.07La II
Ce II5...<0.47<-0.35<-1.93<0.36<-0.35Ce II
Pr II1...<1.18<-0.50<-1.22<1.07<-0.50Pr II
Nd II5...<0.59<-0.39<-1.81<0.48<-0.39Nd II
Sm II2...<0.96<-0.48<-1.44<0.85<-0.48Sm II
Eu II1...0.09+-0.23-1.79-2.31-0.02+-0.23-1.79Eu II
Gd II3...<1.32<-0.01<-1.08<1.21<-0.01Gd II
Tb II3...<1.45<-0.65<-0.97<1.32<-0.65Tb II
Dy II1...<0.32<-0.98<-2.08<0.21<-0.98Dy II
Er II3...<0.79<-0.69<-1.61<0.68<-0.69Er II
Tm II2...<1.34<-0.96<-1.08<1.21<-0.96Tm II
Yb II1...-0.12+-0.36-1.60-2.52-0.23+-0.36-1.60Yb II
Hf II2...<1.65<0.10<-0.61<1.68<0.10Hf II
Pb I1...<1.68<1.43<-0.61<1.68<1.43Pb I

Binary Parameters

Binarity Negative
Vrad -139.9

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-11-03-08:22 2454773.854 MCDONALD 33000 85-220 2800 -139.9

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 : 5853+-100 log g : 4.41+-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...+0.20+-0.15-0.48+-0.12-1.86+-0.120.24+-0.15-0.48+-0.12Be
ON/A-1.53+-0.22+0.57+-0.24...-1.59+-0.220.51+-0.247.10+-0.22O
FeN/A-2.10+-0.09......-2.10+-0.09...5.40+-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

T.Mishenina et al.,MNRAS, 469, 4378, 2017(ADS)

Observing the metal-poor solar neighbourhood: a comparison of galactic chemical evolution predictions


Stellar Parameters

Teff : 5830+-100 log g : 4.00+-0.2 vturb : 1.1+-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
Li IN/A......2.10-1.161.002.10Li I
Na IN/A...-0.23+-0.15...-2.38+-0.15-0.22+-0.153.86+-0.15Na I
Mg IN/A...0.47+-0.10...-1.75+-0.100.41+-0.105.85+-0.10Mg I
Al IN/A...0.19+-0.15...-1.99+-0.150.17+-0.154.46+-0.15Al I
Si IN/A...0.66+-0.16...-1.49+-0.160.67+-0.166.02+-0.16Si I
Ca IN/A...0.36+-0.10...-1.83+-0.100.33+-0.104.51+-0.10Ca I
TiN/A...0.30+-0.05...-1.84+-0.050.32+-0.053.11+-0.05Ti
V IN/A...0.06+-0.12...-2.07+-0.120.09+-0.121.86+-0.12V I
CrN/A...-0.15+-0.11...-2.30+-0.11-0.14+-0.113.34+-0.11Cr
Mn IN/A...-0.29+-0.08...-2.66+-0.08-0.50+-0.082.77+-0.08Mn I
FeN/A-2.16+-0.10......-2.16+-0.10...5.34+-0.10Fe
Co IN/A...0.13+-0.07...-2.06+-0.070.10+-0.072.93+-0.07Co I
Ni IN/A...0.14+-0.14...-2.04+-0.140.12+-0.144.18+-0.14Ni I
Zn IN/A...0.20+-0.13...-1.98+-0.130.18+-0.132.58+-0.13Zn I
Sr IIN/A...0.02+-0.15...-2.09+-0.150.07+-0.150.78+-0.15Sr II
Y IIN/A...-0.14+-0.06...-2.44+-0.06-0.28+-0.06-0.23+-0.06Y II
Ba IIN/A...-0.12+-0.15...-2.29+-0.15-0.13+-0.15-0.11+-0.15Ba II

Position

Right Ascension : 03 08 25.5884 Declination : +26 19 51.400 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2010-01-17 N/A N/A 75000 102 N/A -139.936

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 : 6055+-78 log g : 4.49+-0.13 vturb : 1.20+-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-2.14+-0.09......-2.14+-0.09...5.36+-0.09Fe I
Fe IIN/A-2.20+-0.10......-2.20+-0.10...5.30+-0.10Fe II

Position

Right Ascension : 03 08 25.58 Declination : +26 19 51.40 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 30000 65 N/A N/A
N/A N/A VLT 41000 200 N/A N/A
N/A N/A VLT 41000 220 N/A N/A
N/A N/A VLT 51000 200 N/A N/A
N/A N/A VLT 51000 300 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 : 6070 log g : 4.4 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-2.15......-2.15...5.35Fe
GeN/A...-0.351.13-2.52-0.371.13Ge
AsN/A...+0.140.29+-0.03-2.01+-0.030.140.29+-0.03As
SeN/A...+0.371.56+-0.23-1.78+-0.230.371.56+-0.23Se
SrN/A...+0.391.07-1.800.351.07Sr
YN/A...+0.060.12-2.090.060.12Y
ZrN/A...+0.380.82-1.760.390.82Zr
MoN/A...+0.730.46+-0.09-1.42+-0.090.730.46+-0.09Mo
RuN/A...+0.750.35+-0.16-1.40+-0.160.750.35+-0.16Ru
CdN/A...+0.02-0.36+-0.15-2.07+-0.150.08-0.36+-0.15Cd
SnN/A...+0.200.07+-0.04-2.00+-0.040.150.07+-0.04Sn
BaN/A...-0.100.00-2.18-0.030.00Ba
EuN/A...+0.37-1.26-1.780.37-1.26Eu

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
1999 N/A HST 114000 >50 N/A N/A
2017 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 : 6055 log g : 4.49 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
AlN/A...-0.02+-0.08...-2.20+-0.08-0.02+-0.084.25+-0.08Al
Al I4......3.74+-0.10-2.71+-0.10-0.53+-0.103.74+-0.10Al I
Al II1......4.25+-0.10-2.20+-0.10-0.02+-0.104.25+-0.10Al II
Fe IIN/A-2.18+-0.07......-2.18+-0.07...5.32+-0.07Fe 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 30000 N/A N/A N/A
N/A N/A VLT 41000 N/A N/A N/A
N/A N/A VLT 51000 N/A N/A N/A

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

Galactic evolution of nitrogen


Stellar Parameters

Teff : 6095+-69 log g : 4.45+-0.05 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-1.69+-0.12......-1.47+-0.120.40+-0.126.36+-0.12NH
FeN/A-2.04......-1.87...5.63Fe

Position

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

Observing Log

B.E.Reddy et al.,MNRAS, 367, 1329, 2006(ADS)

Elemental abundance survey of the Galactic thick disc


Stellar Parameters

Teff : 5522 log g : 4.55

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...0.58...-1.260.677.43O
SiN/A...0.64...-1.130.806.38Si
CaN/A...0.28...-1.610.324.73Ca
TiN/A...0.5...-1.430.503.52Ti
Fe IN/A-1.88......-1.93...5.57Fe I
CoN/A...0.91...-1.030.903.96Co
NiN/A...0.44...-1.430.504.79Ni
ZnN/A...0.33...-1.640.292.92Zn
BaN/A...-0.16...-2.02-0.090.16Ba

Binary Parameters

Vrad -140.8

Position

Right Ascension : 03 08 25.59 Declination : +26 19 51.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004-06 N/A MCDONALD 60000 100-200 N/A -140.8