G64-12

taken from 34 paper(s):

/G.Israelian et al.(2001)/ /W.Aoki et al.(2006)/ /F.Primas et al.(2000)/ /E.Arnone et al.(2005)/ /P.E.Nissen et al.(2007)/ /C.J.Akerman et al.(2004)/ /G.Bihain et al.(2004)/ /J.Melendez et al.(2006)/ /P.E.Nissen et al.(2004)/ /A.Hosford et al.(2009)/ /C.Charbonnel and F. Primas(2005)/ /A.M.Boesgaard et al.(2005)/ /A.Stephens and A. M. Boesgaard(2002)/ /W.Aoki et al.(2009)/ /J.A.Rich and A. M. Boesgaard(2009)/ /M.Bergemann et al.(2010)/ /M.Ishigaki et al.(2010)/ /J.Melendez et al.(2010)/ /M.Bergemann and G. Cescutti(2010)/ /T.Gehren et al.(2006)/ /D.Fabbian et al.(2009)/ /C.J.Hansen et al.(2012)/ /M.N.Ishigaki et al.(2012)/ /M.N.Ishigaki et al.(2013)/ /I.U.Roederer et al.(2014)/ /T.Matsuno et al.(2017)/ /D.S.Aguado et al.(2017)/ /T.Matsuno et al.(2017)/ /V.M.Placco et al.(2016)/ /A.M.Boesgaard et al.(2011)/ /I.U.Roederer et al.(2018)/ /A.M.Amarsi et al.(2019)/ /R.Smiljanic et al.(2021)/ /G.Israelian et al.(2004)/

G.Israelian et al.,ApJ, 551, 833, 2001(ADS)

Oxygen in the Very Early Galaxy


Stellar Parameters

Teff : 6318 log g : 4.2

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
O IN/A-2.141.23...-1.851.526.84O I
OHN/A-1.88+-0.311.49...-1.59+-0.311.787.10+-0.31OH
FeN/A-3.37+-0.16......-3.37+-0.16...4.13+-0.16Fe

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-02-13 N/A VLT 55000 120 20400 N/A
2000-02-15 N/A VLT 55000 100 9600 N/A

W.Aoki et al.,ApJ, 639, 897, 2006(ADS)

HE 1327-2326, an Unevolved Star with [Fe/H]<-5.0. I. A Comprehensive Abundance Analysis


Stellar Parameters

Teff : 6390 log g : 4.38 vturb : 1.6

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......2.30-0.962.292.30Li I
CHN/A-2.71+-0.24+0.49+-0.245.68+-0.24-2.75+-0.240.50+-0.245.68+-0.24CH
NHN/A-1.78+-0.30+1.42+-0.306.15+-0.30-1.68+-0.301.57+-0.306.15+-0.30NH
OHN/A-2.32+0.886.34-2.350.906.34OH
Na I1-4.23+-0.08-1.13+-0.082.10+-0.08-4.14+-0.08-0.89+-0.082.10+-0.08Na I
Mg I5-2.74+-0.07+0.46+-0.074.80+-0.07-2.80+-0.070.45+-0.074.80+-0.07Mg I
Al I1-3.72+-0.09-0.52+-0.092.75+-0.09-3.70+-0.09-0.45+-0.092.75+-0.09Al I
Ca I6-2.74+-0.17+0.46+-0.173.62+-0.17-2.72+-0.170.53+-0.173.62+-0.17Ca I
Ti II58-2.82+-0.20+0.38+-0.202.20+-0.20-2.75+-0.200.50+-0.202.20+-0.20Ti II
Cr I3-3.38-0.182.26-3.38-0.132.26Cr I
Mn I3-3.90-0.701.49-3.94-0.691.49Mn I
Fe I59-3.20+-0.15...4.25+-0.15-3.25+-0.15...4.25+-0.15Fe I
Fe II3-3.07+0.134.38-3.12+0.134.38Fe II
Co I12-2.73+0.472.19-2.800.452.19Co I
Ni I24-3.19+0.013.04-3.180.073.04Ni I
Sr II2-3.02+-0.13+0.18+-0.13-0.10+-0.13-2.97+-0.130.28+-0.13-0.10+-0.13Sr II
Ba II2-3.45-0.25-1.32-3.50-0.25-1.32Ba II

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004-06-02-9:52 N/A SUBARUHDS 60000 20-260 20 443.84
2004-06-27-8:42 N/A SUBARUHDS 60000 20-260 60 443.67

F.Primas et al.,AAP, 364, L42, 2000(ADS)

The beryllium abundance in the very metal-poor halo star G 64-12 from VLT/UVES observations


Stellar Parameters

Teff : 6400 log g : 4.1 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......2.23+-0.01-1.03+-0.012.25+-0.012.23+-0.01Li
BeN/A......-1.05+-0.15-2.43+-0.150.85+-0.15-1.05+-0.15Be
OHN/A...+1.1...-2.041.246.65OH
Mg I2...+0.43+-0.03...-2.87+-0.030.41+-0.034.73+-0.03Mg I
Ca I4...+0.48+-0.07...-2.78+-0.070.50+-0.073.56+-0.07Ca I
Fe I22-3.28+-0.08......-3.28+-0.08...4.22+-0.08Fe I
Fe II5-3.42+-0.10......-3.42+-0.10...4.08+-0.10Fe II

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-02-12 N/A VLT 48000 75-80 2x90min N/A
2000-02-12 N/A VLT 55000 350-370 2x90min N/A
2000-02-14 N/A VLT 48000 65-70 2x80min N/A
2000-02-14 N/A VLT 55000 270-280 2x80min N/A

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 : 6220 log g : 3.9+-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 I3-3.08+-0.050.27+-0.05...-3.10+-0.050.25+-0.054.50+-0.05Mg I
Ca I1-2.87......-2.850.503.49Ca I
Fe I4-3.35+-0.04......-3.35+-0.04...4.15+-0.04Fe I

Position

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 : 6435 log g : 4.26 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...0.45...-2.580.664.54S I
FeN/A-3.24......-3.24...4.26Fe
Zn IN/A...0.411.77-2.790.451.77Zn 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 : 6511 log g : 4.39 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......5.68-2.750.425.68C I
O IN/A......6.44-2.250.926.44O I
FeN/A-3.17......-3.17...4.33Fe

Position

Observing Log

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

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

Cu and Zn in the early Galaxy


Stellar Parameters

Teff : 6318+-150 log g : 4.20+-0.3 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-3.05......-2.88...4.62Fe
Cu IN/A-4.00+-0.18......-3.98+-0.18-1.10+-0.180.21+-0.18Cu I
Zn IN/A<-2.35......<-2.31<0.57<2.25Zn I

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A N/A VLT 55000 80-150 N/A 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 : 6660+-77 log g : 4.24+-0.15 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......6.36-2.330.916.36O I
Fe IIN/A......4.26-3.24...4.26Fe 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 : 6511+-70 log g : 4.39+-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-2.81......-2.730.444.39S I
Fe IIN/A-3.17......-3.17...4.33Fe 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.Hosford et al.,AAP, 493, 601, 2009(ADS)

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


Stellar Parameters

Teff : 6333+-90 log g : 4.49+-0.14 vturb : 1.30

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 IN/A......2.21+-0.059-1.05+-0.0592.27+-0.0592.21+-0.059Li I
FeN/A-3.32......-3.32...4.18Fe
Fe I59-3.40......-3.40...4.10Fe I

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A N/A ANGLO 43000 110 N/A N/A

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

The lithium content of the Galactic Halo stars


Stellar Parameters

Teff : 6452 log g : 3.85

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......2.347+0.074-0.089-0.91+0.074-0.0892.47+0.074-0.0892.347+0.074-0.089Li I
FeN/A-3.38+-0.130......-3.38+-0.130...4.12+-0.130Fe

A.M.Boesgaard et al.,ApJ, 633, 398, 2005(ADS)

Lithium and Lithium Depletion in Halo Stars on Extreme Orbits


Stellar Parameters

Teff : 6074+-75 log g : 3.72+-0.35 vturb : 1.19+-0.48

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......2.15+-0.06-1.11+-0.062.34+-0.062.15+-0.06Li I
FeN/A-3.47+-0.04......-3.45+-0.04...4.05+-0.04Fe

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A KECKHIRES 48000 310 N/A N/A

A.Stephens et al.,AJ, 123, 1647, 2002(ADS)

ABUNDANCES FROM HIGH-RESOLUTION SPECTRA OF KINEMATICALLY INTERESTING HALO STARS


Stellar Parameters

Teff : 6074+-75 log g : 3.72+-0.35 vturb : 1.19+-0.48

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-2.82+-0.16+0.63+-0.16...-2.84+-0.160.60+-0.164.76+-0.16Mg I
Ca IN/A-2.84+-0.09+0.61+-0.10...-2.82+-0.090.62+-0.103.52+-0.09Ca I
TiN/A...+0.50+-0.11...-2.91+-0.110.53+-0.112.04+-0.11Ti
Ti I1-2.92+-0.15......-2.88+-0.150.56+-0.152.07+-0.15Ti I
Ti II2-2.98+-0.13......-2.94+-0.130.50+-0.132.01+-0.13Ti II
CrN/A...+0.07+-0.28...-3.35+-0.280.09+-0.282.29+-0.28Cr
Cr I2-3.38+-0.28......-3.35+-0.280.09+-0.282.29+-0.28Cr I
FeN/A-3.45+-0.04......-3.44+-0.04...4.06+-0.04Fe
Fe I10-3.47+-0.05......-3.46+-0.05...4.04+-0.05Fe I
Fe II3-3.40+-0.08......-3.39+-0.08...4.11+-0.08Fe II
Ni IN/A-3.73+-0.16-0.28+-0.16...-3.70+-0.16-0.26+-0.162.52+-0.16Ni I
Ba IIN/A-3.65+-0.13-0.20+-0.14...-3.70+-0.13-0.26+-0.14-1.52+-0.13Ba II

Binary Parameters

Vrad 442.6+-1.0

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2449904.241 KECKHIRES 48000 310 1200 442.6+-1.0
2449904.257 KECKHIRES 48000 310 1200 442.6+-1.0

W.Aoki et al.,ApJ, 698, 1803, 2009(ADS)

LITHIUM ABUNDANCES OF EXTREMELY METAL-POOR TURNOFF STARS


Stellar Parameters

Teff : 6270+-100 log g : 4.4 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
Li IN/A......2.18+-0.07-1.08+-0.072.34+-0.072.18+-0.07Li I
Na IN/A...-0.06...-3.50-0.082.74Na I
Mg IN/A...0.37...-3.070.354.53Mg I
Fe IN/A-3.37......-3.42...4.08Fe I
Sr IIN/A...0.08...-3.240.18-0.37Sr II

Binary Parameters

Vrad 434.68+-0.03

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2003-02-22 2453507.76 SUBARUHDS 90000 N/A 18000 434.68+-0.03

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

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


Stellar Parameters

Teff : 6074 log g : 3.72

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......-1.43+-0.12-2.81+-0.120.64+-0.12-1.43+-0.12Be II
OHN/A-2.24+-0.15......-2.06+-0.151.39+-0.156.63+-0.15OH
FeN/A-3.45+-0.04......-3.45+-0.04...4.05+-0.04Fe

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2005-05-15 N/A KECKHIRES 48000 109 12600 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 : 6407+-80 log g : 4.20+-0.20 vturb : 2.3

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-3.12......-3.12...4.38Fe
Co1...0.19+-0.1...-2.93+-0.10.19+-0.12.06+-0.1Co

Position

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.Ishigaki et al.,PASJ, 62, 143, 2010(ADS)

Chemical Abundances of Outer Halo Stars in the Milky Way


Stellar Parameters

Teff : 6070+-70 log g : 3.58 vturb : 1.46

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-2.80+-0.030.76+-0.04...-2.82+-0.030.74+-0.044.78+-0.03Mg I
Ca IN/A-3.05+-0.030.51+-0.03...-3.03+-0.030.53+-0.033.31+-0.03Ca I
TiN/A...0.60+-0.04...-2.89+-0.040.67+-0.042.06+-0.04Ti
Ti II2-2.96+-0.04......-2.89+-0.040.67+-0.042.06+-0.04Ti II
CrN/A...-0.10+-0.04...-3.63+-0.04-0.07+-0.042.01+-0.04Cr
Cr I1-3.66+-0.03......-3.63+-0.03-0.07+-0.032.01+-0.03Cr I
Fe I14-3.56+-0.01......-3.56+-0.01...3.94+-0.01Fe I
Fe II2-3.56+-0.03......-3.56+-0.03...3.94+-0.03Fe II
Ba IIN/A-3.81+-0.04-0.25+-0.04...-3.86+-0.04-0.30+-0.04-1.68+-0.04Ba II

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-07-27 N/A SUBARUHDS 50000 >100 N/A 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 : 6463+-50 log g : 4.17

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
LiN/A......2.32+-0.035-0.94+-0.0352.32+-0.0352.32+-0.035Li
FeN/A-3.26......-3.26...4.24Fe

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A N/A KECKHIRES 85000 >100 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 : 6407+-100 log g : 4.20+-0.05 vturb : 2.3+-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 I4...-0.26+-0.02...-3.36+-0.02-0.24+-0.022.28+-0.02Cr I
FeN/A-3.12......-3.12...4.38Fe

Position

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

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 : 6407 log g : 4.20+-0.74 vturb : 2.3

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
Na I2...-0.24...-3.27-0.162.97Na I
Mg I4...0.14...-3.000.114.60Mg I
FeN/A-3.12......-3.11...4.39Fe

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A FOCES 40000 200 13850 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 : 6435 log g : 4.26

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
CN/A-2.72...5.67-2.760.535.67C
ON/A-2.21...6.45-2.241.056.45O
FeN/A-3.24......-3.29...4.21Fe

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001 N/A VLT 60000 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 : 6459+-100 log g : 4.31+-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-3.10+-0.15......-3.10+-0.15...4.40+-0.15Fe
SrN/A...-0.05+-0.10...-3.15+-0.10-0.05+-0.10-0.28+-0.10Sr
YN/A...0.02+-0.13...-3.08+-0.130.02+-0.13-0.87+-0.13Y
BaN/A...-0.35+-0.16...-3.45+-0.16-0.35+-0.16-1.27+-0.16Ba

Position

Observing Log

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

M.N.Ishigaki et al.,ApJ, 753, 64, 2012(ADS)

Chemical Abundances of the Milky Way Thick Disk and Stellar Halo. I. Implications of [alpha/Fe] for Star Formation Histories in Their Progenitors


Stellar Parameters

Teff : 6550+-100 log g : 4.68+-0.3 vturb : 1.90+-0.3

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
MgN/A...0.32+-0.07...-2.89+-0.070.32+-0.074.71+-0.07Mg
CaN/A...0.56+-0.06...-2.65+-0.060.56+-0.063.69+-0.06Ca
Ti IIN/A...0.64+-0.10...-2.57+-0.100.64+-0.102.38+-0.10Ti II
Fe IN/A-3.21+-0.08......-3.21+-0.08...4.29+-0.08Fe I
Fe IIN/A-3.22+-0.14......-3.22+-0.14...4.28+-0.14Fe II

Binary Parameters

Vrad 430.5+-0.1

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A N/A SUBARUHDS 50000 N/A N/A 430.5+-0.1

M.N.Ishigaki et al.,ApJ, 771, 67, 2013(ADS)

Chemical Abundances of the Milky Way Thick Disk and Stellar Halo. II. Sodium, Iron-peak, and Neutron-capture Elements


Stellar Parameters

Teff : 6550 log g : 4.68 vturb : 1.9

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
Sc IIN/A...0.37+-0.09...-2.87+-0.090.37+-0.090.28+-0.09Sc II
Cr IN/A...-0.1+-0.07...-3.34+-0.07-0.10+-0.072.30+-0.07Cr I
Fe IN/A-3.24+-0.09......-3.24+-0.09...4.26+-0.09Fe I
Fe IIN/A-3.22+-0.12......-3.22+-0.12...4.28+-0.12Fe II
Ni IN/A...0.12+-0.08...-3.12+-0.080.12+-0.083.10+-0.08Ni I
Sr IIN/A...0.18+-0.12...-3.06+-0.120.18+-0.12-0.19+-0.12Sr II
Ba IIN/A...0.06+-0.12...-3.18+-0.120.06+-0.12-1.00+-0.12Ba II

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A SUBARUHDS 90000 N/A 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 : 6030+-36 log g : 3.6+-0.18 vturb : 1.2+-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......2.08-1.182.402.08Li I
CH1...<0.91<5.95<-2.48<1.10<5.95CH
NH1...<2.16<6.60<-1.23<2.35<6.60NH
O I3...<0.65<5.76<-2.93<0.65<5.76O I
Na I1...-0.06+-0.222.60-3.64-0.06+-0.222.60Na I
Mg I6...0.50+-0.234.52-3.080.50+-0.234.52Mg I
Al I2...-0.59+-0.212.28-4.17-0.59+-0.212.28Al I
Si I1...0.39+-0.324.32-3.190.39+-0.324.32Si I
Ca I9...0.62+-0.243.38-2.960.62+-0.243.38Ca I
Sc II1...-0.24+-0.14-0.48-3.63-0.05+-0.14-0.48Sc II
Ti I4...0.70+-0.262.07-2.880.70+-0.262.07Ti I
Ti II9...0.11+-0.151.67-3.280.30+-0.151.67Ti II
V II1...<0.82<1.36<-2.57<1.01<1.36V II
Cr I3...-0.20+-0.211.85-3.79-0.21+-0.211.85Cr I
Mn I1...-0.65+-0.271.20-4.23-0.65+-0.271.20Mn I
Mn II1...-0.47+-0.251.57-3.86-0.28+-0.251.57Mn II
Fe I39-3.58+-0.21...3.92-3.58+-0.21...3.92Fe I
Fe II2-3.39+-0.16...4.11-3.39+-0.16...4.11Fe II
Co I2...0.34+-0.301.75-3.240.34+-0.301.75Co I
Ni I4...0.14+-0.262.77-3.450.13+-0.262.77Ni I
Zn I2...<0.99<1.97<-2.59<0.99<1.97Zn I
Rb I1...<3.54<2.48<0.12<3.70<2.48Rb I
Sr II2...-0.10+-0.14-0.61-3.480.10+-0.14-0.61Sr II
Y II6...<0.13<-1.05<-3.26<0.32<-1.05Y II
Zr II3...<0.86<0.05<-2.53<1.05<0.05Zr II
Nb II1...<3.27<1.34<-0.12<3.46<1.34Nb II
Mo I1...<2.61<0.91<-0.97<2.61<0.91Mo I
Tc I1......<1.26<1.26<4.84<1.26Tc I
Ba II1...-0.46+-0.16-1.67-3.85-0.27+-0.16-1.67Ba II
Ce II5...<1.76<-0.05<-1.63<1.95<-0.05Ce II
Pr II5...<2.12<-0.55<-1.27<2.31<-0.55Pr II
Nd II5...<1.56<-0.41<-1.83<1.75<-0.41Nd II
Sm II2...<2.18<-0.25<-1.21<2.37<-0.25Sm II
Eu II4...<1.45<-1.42<-1.94<1.64<-1.42Eu II
Gd II3...<2.36<0.04<-1.03<2.55<0.04Gd II
Tb II4...<2.80<-0.29<-0.61<2.97<-0.29Tb II
Dy II3...<1.82<-0.47<-1.57<2.01<-0.47Dy II
Ho II1...<2.15<-0.76<-1.23<2.35<-0.76Ho II
Er II3...<2.11<-0.36<-1.28<2.30<-0.36Er II
Tm II2...<2.69<-0.60<-0.72<2.86<-0.60Tm II
Yb II1...<1.30<-1.17<-2.09<1.49<-1.17Yb II
Hf II2...<2.95<0.41<-0.30<3.28<0.41Hf II
Pb I1...<3.00<1.46<-0.58<3.00<1.46Pb I
Th II3...<2.67<-0.66<-0.72<2.86<-0.66Th II

Binary Parameters

Binarity Negative
Vrad 442.7

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2009-02-19-09:31 2454881.9 MIKELCO 41000 75-290 1200 442.7

T.Matsuno et al.,AJ, 154, 52, 2017(ADS)

High-resolution Spectroscopy of Extremely Metal-poor Stars from SDSS/SEGUE. III. Unevolved Stars with [Fe/H] ≲ -3.5


Stellar Parameters

Teff : 6285+-26 log g : 4.30+-0.15 vturb : 1.32+-0.18

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...5.60+-0.072.22+-0.07-1.04+-0.072.34+-0.072.22+-0.07Li I
CH1...0.92+-0.075.97+-0.07-2.46+-0.070.92+-0.075.97+-0.07CH
Na I2...-0.07+-0.052.80+-0.06-3.44+-0.06-0.06+-0.052.80+-0.06Na I
Mg I5...0.37+-0.044.60+-0.05-3.00+-0.050.38+-0.044.60+-0.05Mg I
Ca I15...0.48+-0.023.44+-0.02-2.90+-0.020.48+-0.023.44+-0.02Ca I
Sc II5...0.21+-0.08-0.02+-0.07-3.17+-0.070.21+-0.08-0.02+-0.07Sc II
Ti I6...0.67+-0.032.25+-0.04-2.70+-0.040.68+-0.032.25+-0.04Ti I
Ti II17...0.53+-0.062.11+-0.06-2.84+-0.060.54+-0.062.11+-0.06Ti II
Cr I6...-0.15+-0.022.11+-0.03-3.53+-0.03-0.15+-0.022.11+-0.03Cr I
Fe I78...0.00+-0.014.12+-0.02-3.38+-0.020.00+-0.014.12+-0.02Fe I
Fe II15...0.11+-0.074.23+-0.06-3.27+-0.060.11+-0.074.23+-0.06Fe II
Sr II2...0.18+-0.08-0.33+-0.08-3.20+-0.080.18+-0.08-0.33+-0.08Sr II
Ba II2...-0.07+-0.07-1.27+-0.07-3.45+-0.07-0.07+-0.07-1.27+-0.07Ba II

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2002-12-22 N/A SUBARUHDS 90000 454-650 N/A N/A

D.S.Aguado et al.,AAP, 604, 9, 2017(ADS)

New ultra metal-poor stars from SDSS: follow-up GTC medium-resolution spectroscopy


Stellar Parameters

Teff : 6393 log g : 4.8

Position

Right Ascension : 13 40 02.4921790616 Declination : -00 02 18.750321114 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
207-01-01 N/A OSIRISGTC 2300 132 90 N/A

T.Matsuno et al.,PASJ, 69, 24, 2017(ADS)

Lithium in CEMP-no stars: A new constraint on the lithium depletion mechanism in the early universe*


Stellar Parameters

Teff : 6291+-40 log g : 4.38+-0.2 vturb : 1.5+-0.3

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......2.22+-0.06-1.04+-0.062.32+-0.062.22+-0.06Li I
CHN/A...<0.93+-0.08...<-2.43+-0.08<0.93+-0.08<6.00+-0.08CH
Na I2...-0.09+-0.05...-3.45+-0.05-0.09+-0.052.79+-0.05Na I
Mg I5...0.36+-0.03...-3.00+-0.030.36+-0.034.60+-0.03Mg I
Ca I18...0.51+-0.02...-2.85+-0.020.51+-0.023.49+-0.02Ca I
Sc II4...0.28+-0.09...-3.08+-0.090.28+-0.090.07+-0.09Sc II
Ti I6...0.66+-0.04...-2.70+-0.040.66+-0.042.25+-0.04Ti I
Ti II18...0.57+-0.07...-2.79+-0.070.57+-0.072.16+-0.07Ti II
Cr I4...-0.11+-0.01...-3.47+-0.01-0.11+-0.012.17+-0.01Cr I
Fe I49-3.36+-0.03......-3.36+-0.03...4.14+-0.03Fe I
Fe II12...0.11+-0.08...-3.25+-0.080.11+-0.084.25+-0.08Fe II
Ba II2...-0.08+-0.08...-3.44+-0.08-0.08+-0.08-1.26+-0.08Ba II

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A SUBARUHDS 60000 N/A N/A N/A

V.M.Placco et al.,ApJ, 829, 24, 2016(ADS)

G64-12 and G64-37 Are Carbon-enhanced Metal-poor Stars


Stellar Parameters

Teff : 6463+-50 log g : 4.26+-0.15 vturb : 1.65+-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 IN/A1.31+-0.044.6+-0.042.36-0.90+-0.042.39+-0.042.36Li I
CHN/A-2.22+-0.051.07+-0.056.21-2.22+-0.051.07+-0.056.21CH
O IN/A-2.11+-0.071.18+-0.076.58-2.11+-0.071.18+-0.076.58O I
Na IN/A-3.37+-0.03-0.08+-0.032.87-3.37+-0.03-0.08+-0.032.87Na I
Mg IN/A-2.81+-0.070.48+-0.074.79-2.81+-0.070.48+-0.074.79Mg I
Al IN/A-3.89+-0.05-0.6+-0.052.56-3.89+-0.05-0.60+-0.052.56Al I
Si IN/A-3.45+-0.04-0.16+-0.044.06-3.45+-0.04-0.16+-0.044.06Si I
Ca IN/A-2.78+-0.030.51+-0.033.56-2.78+-0.030.51+-0.033.56Ca I
Sc IIN/A-3.12+-0.060.17+-0.060.03-3.12+-0.060.17+-0.060.03Sc II
Ti IN/A-2.55+-0.050.74+-0.052.4-2.55+-0.050.74+-0.052.4Ti I
Ti IIN/A-2.76+-0.090.53+-0.092.19-2.76+-0.090.53+-0.092.19Ti II
Cr IN/A-3.37+-0.05-0.08+-0.052.27-3.37+-0.05-0.08+-0.052.27Cr I
Mn IN/A-3.93+-0.05-0.64+-0.051.5-3.93+-0.05-0.64+-0.051.5Mn I
Fe IN/A-3.29+-0.04...4.21-3.29+-0.04...4.21Fe I
Fe IIN/A-3.24+-0.060.05+-0.064.26-3.24+-0.060.05+-0.064.26Fe II
Co IN/A-2.89+-0.050.4+-0.052.1-2.89+-0.050.40+-0.052.1Co I
Ni IN/A-3.27+-0.030.02+-0.032.95-3.27+-0.030.02+-0.032.95Ni I
Zn IN/A-2.76+-0.030.53+-0.031.8-2.76+-0.030.53+-0.031.8Zn I
Sr IIN/A-3.21+-0.060.08+-0.06-0.34-3.21+-0.060.08+-0.06-0.34Sr II
Ba IIN/A-3.35+-0.06-0.06+-0.06-1.17-3.35+-0.06-0.06+-0.06-1.17Ba II

Binary Parameters

Binarity Negative

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A KECKHIRES 95000 700 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 : 6074+-100 log g : 3.72+-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...+0.60+-0.15-1.43+-0.12-2.81+-0.120.64+-0.15-1.43+-0.12Be
ON/A-2.24+-0.22+1.21+-0.24...-2.30+-0.221.15+-0.246.39+-0.22O
MgN/A-2.76+-0.07......-2.78+-0.070.67+-0.074.82+-0.07Mg
TiN/A-2.80+-0.09......-2.73+-0.090.72+-0.092.22+-0.09Ti
FeN/A-3.45+-0.09......-3.45+-0.09...4.05+-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 : 6492+-103 log g : 4.18+-0.21 vturb : 1.55+-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-3.26+-0.13......-3.26+-0.13...4.24+-0.13Fe I
Fe IIN/A-3.42+-0.10......-3.42+-0.10...4.08+-0.10Fe 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 25 N/A N/A
N/A N/A KECKHIRES 49000 250 N/A N/A
N/A N/A VLT 41000 150 N/A N/A
N/A N/A VLT 42000 240 N/A N/A
N/A N/A VLT 42000 250 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 : 6427 log g : 4.24

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...0.44...-2.790.445.64C
ON/A...0.97...-2.260.976.43O
FeN/A-3.23......-3.23...4.27Fe

Position

Right Ascension : 13 40 02.49 Declination : -00 02 18.74 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 : 6490+-145 log g : 4.30+-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......-13.1-14.48-11.22-13.1Be
FeN/A-3.26+-0.03......-3.26+-0.03...4.24+-0.03Fe

Position

Right Ascension : 13 40 02.50 Declination : -00 02 18.84 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 120 N/A N/A

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

Galactic evolution of nitrogen


Stellar Parameters

Teff : 6318+-150 log g : 4.20+-0.30 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-1.90+-0.25......-1.68+-0.251.20+-0.256.15+-0.25NH
FeN/A-3.05......-2.88...4.62Fe

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
2000-02-13 N/A VLT 55000 120 20400 N/A
2000-02-15 N/A VLT 55000 100 9600 N/A