HE0938+0114
Original Names

taken from 14 paper(s):

/P.S.Barklem et al.(2005)/ /E.Arnone et al.(2005)/ /P.E.Nissen et al.(2007)/ /C.Charbonnel and F. Primas(2005)/ /J.A.Rich and A. M. Boesgaard(2009)/ /A.Ford et al.(2002)/ /M.Ishigaki et al.(2010)/ /L.Zhang et al.(2011)/ /T.Gehren et al.(2006)/ /D.Fabbian et al.(2009)/ /M.N.Ishigaki et al.(2012)/ /M.N.Ishigaki et al.(2013)/ /L.Zhang et al.(2009)/ /I.U.Roederer et al.(2014)/


P.S.Barklem et al.,AAP, 439, 129, 2005 (A0052,ADS)

The Hamburg/ESO R-process enhanced star survey (HERES). II. Spectroscopic analysis of the survey sample


Stellar Parameters

Teff : 6777 log g : 4.89 vturb : 1.76

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
CH1...0.65+-0.276.54+-0.22-1.89+-0.220.62+-0.276.54+-0.22CH
Mg I1...0.22+-0.235.29+-0.17-2.31+-0.170.20+-0.235.29+-0.17Mg I
Al I1...-0.79+-0.243.18+-0.20-3.27+-0.20-0.76+-0.243.18+-0.20Al I
Ca I3...0.37+-0.244.22+-0.19-2.12+-0.190.39+-0.244.22+-0.19Ca I
Sc II1...0.46+-0.241.12+-0.22-2.03+-0.220.48+-0.241.12+-0.22Sc II
Ti5...0.53+-0.233.05+-0.21-1.90+-0.210.61+-0.233.05+-0.21Ti
Cr I3...-0.03+-0.223.13+-0.18-2.51+-0.180.00+-0.223.13+-0.18Cr I
Mn I1...-0.43+-0.222.45+-0.17-2.98+-0.17-0.47+-0.222.45+-0.17Mn I
Fe30...0.00+-0.224.99+-0.17-2.51+-0.170.00+-0.224.99+-0.17Fe
Ni I1...0.04+-0.223.78+-0.18-2.44+-0.180.07+-0.223.78+-0.18Ni I
Sr2...-0.08+-0.260.38+-0.24-2.49+-0.240.02+-0.260.38+-0.24Sr
Ba II1...-0.10+-0.24-0.48+-0.21-2.66+-0.21-0.15+-0.24-0.48+-0.21Ba II

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 20000 307 N/A -56.6
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

E.Arnone et al.,AAP, 430, 507, 2005 (A0075,ADS)

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


Stellar Parameters

Teff : 6260 log g : 3.8+-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 I3-2.51+-0.010.37+-0.01......Mg I
Ca I3-2.37+-0.04............Ca I
Ti I1-2.25............Ti I
Cr I2-2.84+-0.01............Cr I
Fe I11-2.88+-0.02............Fe I
Fe II1-2.85............Fe II

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A ANGLO 40000 >100 N/A N/A
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

P.E.Nissen et al.,AAP, 469, 319, 2007 (A0119,ADS)

Sulphur and zinc abundances in Galactic halo stars revisited


Stellar Parameters

Teff : 6482 log g : 4.25 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...0.39.........S I
FeN/A-2.60............Fe
Zn IN/A...0.132.13...Zn I

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

C.Charbonnel et al.,AAP, 442, 961, 2005 (A0191,ADS)

The lithium content of the Galactic Halo stars


Stellar Parameters

Teff : 6367 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......2.147+-0.061......Li I
FeN/A-2.79+-0.290............Fe

Observing Log

Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : 1.02473 Right Ascension : 145.19078

J.A.Rich et al.,ApJ, 701, 1519, 2009 (A0203,ADS)

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


Stellar Parameters

Teff : 6402 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
Be IIN/A......-1+-0.12......Be II
OHN/A-1.76+-0.14............OH
FeN/A-2.67+-0.11............Fe

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2006-01-02 N/A KECKHIRES 48000 139 2400 N/A
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : +0100 Right Ascension : 0940

A.Ford et al.,AAP, 393, 617, 2002 (A0207,ADS)

Lithium 6104 A in Population II stars


Stellar Parameters

Teff : 6313 log g : 3.90

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......2.09+-0.03......Li I
FeN/A-2.81............Fe

Binary Parameters

Binarity Positive

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-01 N/A WHTUES 50000 240 N/A N/A
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

M.Ishigaki et al.,PASJ, 62, 143, 2010 (A0229,ADS)

Chemical Abundances of Outer Halo Stars in the Milky Way


Stellar Parameters

Teff : 6118+-37 log g : 3.46 vturb : 1.73

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-2.40+-0.040.63+-0.04......Mg I
Ca IN/A-2.50+-0.060.53+-0.06......Ca I
TiN/A...0.54+-0.07.........Ti
Ti II3-2.50+-0.07............Ti II
CrN/A...-0.08+-0.04.........Cr
Cr I1-3.11+-0.04............Cr I
Fe I19-3.03+-0.01............Fe I
Fe II3-3.02+-0.06............Fe II
Ba IIN/A-3.59+-0.04-0.56+-0.04......Ba II

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

L.Zhang et al.,AAP, 528, A92, 2011 (A0253,ADS)

The Hamburg/ESO R-process Enhanced Star survey (HERES). VI. The Galactic chemical evolution of silicon


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-1.990.526.53-1.900.616.53C
FeN/A-2.51......-2.51...4.99Fe

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 20000 N/A N/A N/A
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

T.Gehren et al.,AAP, 451, 1065, 2006 (A0259,ADS)

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


Stellar Parameters

Teff : 6410 log g : 4.27+-6.13 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...-0.44.........Na I
Mg I4...0.01.........Mg I
Al I1...-1.06.........Al I
FeN/A-2.54............Fe

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A FOCES 40000 200 11700 N/A
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : +010129.0 Right Ascension : 094045.79

D.Fabbian et al.,AAP, 500, 1143, 2009 (A0266,ADS)

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


Stellar Parameters

Teff : 6489 log g : 4.25

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–2.28...6.11...C
ON/A–1.86...6.80...O
FeN/A-2.61............Fe

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2003-12 N/A MIKELCO 60000 40-360 N/A N/A
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

M.N.Ishigaki et al.,ApJ, 753, 64, 2012 (A0273,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 : 6881+-100 log g : 5.00+-0.3 vturb : 1.50+-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...0.10+-0.08.........Mg
CaN/A...0.31+-0.07.........Ca
Ti IIN/A...0.72+-0.07.........Ti II
Fe IN/A-2.43+-0.09............Fe I
Fe IIN/A-2.50+-0.11............Fe II

Binary Parameters

Vrad -60.8+-0.8

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A N/A SUBARUHDS 50000 N/A N/A -60.8+-0.8
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : Right Ascension :

M.N.Ishigaki et al.,ApJ, 771, 67, 2013 (A0286,ADS)

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


Stellar Parameters

Teff : 6881 log g : 5 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
Sc IIN/A...0.58+-0.11.........Sc II
Cr IN/A...-9.99.........Cr I
Fe IN/A-2.45+-0.1............Fe I
Fe IIN/A-2.5+-0.11............Fe II
Cu IN/A...0.58.........Cu I
Sr IIN/A...0.14+-0.14.........Sr II
Ba IIN/A...-0.09+-0.14.........Ba II
Eu IIN/A...1.38.........Eu II

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A SUBARUHDS 50000 N/A N/A N/A
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

L.Zhang et al.,ApJ, 706, 1095, 2009 (A0299,ADS)

Chemical Compositions of Kinematically Selected Outer Halo Stars


Stellar Parameters

Teff : 6200+-50 log g : 3.66+-0.10 vturb : 1.60+-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
Na I2-3.32+-0.06-0.50+-0.06......Na I
Mg I1-2.26+-0.080.56+-0.08......Mg I
Ca I5-2.24+-0.090.58+-0.09......Ca I
Sc II4-2.56+-0.080.26+-0.08......Sc II
TiN/A...0.56+-0.10.........Ti
Ti II3-2.26+-0.10............Ti II
CrN/A...-0.07+-0.10.........Cr
Cr I2-2.89+-0.10............Cr I
FeN/A-2.82+-0.05............Fe
Fe I24-2.63+-0.05............Fe I
Fe II7-2.64+-0.07............Fe II
Ba II2-3.36+-0.08-0.54+-0.08......Ba II

Binary Parameters

Vrad -56.4

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2003-02 N/A SUBARUHDS 50000 N/A 1200 -56.4
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : +010029.6 Right Ascension : 094043.20

I.U.Roederer et al.,AJ, 147, 136, 2014 (A0309,ADS)

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


Stellar Parameters

Teff : 6030+-42 log g : 3.65+-0.17 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......2.04-1.221.872.04Li I
CH1...<0.45<5.95<-2.48<0.61<5.95CH
CN1...<3.00<7.90<0.07<3.16<7.90CN
O I1...0.59+-0.216.19-2.500.59+-0.216.19O I
Mg I6...0.36+-0.224.87-2.730.36+-0.224.87Mg I
Al I2...-0.68+-0.222.68-3.77-0.68+-0.222.68Al I
Si I1...0.38+-0.354.80-2.710.38+-0.354.80Si I
K I1...0.31+-0.292.25-2.780.31+-0.292.25K I
Ca I10...0.54+-0.233.79-2.550.54+-0.233.79Ca I
Sc II2...0.07+-0.150.29-2.860.23+-0.150.29Sc II
Ti I3...0.51+-0.222.36-2.590.50+-0.222.36Ti I
Ti II14...0.26+-0.142.29-2.660.43+-0.142.29Ti II
V II2...<0.65<1.66<-2.27<0.82<1.66V II
Cr I3...-0.20+-0.202.35-3.29-0.20+-0.202.35Cr I
Mn I2...-0.44+-0.211.89-3.54-0.45+-0.211.89Mn I
Fe I56-3.09+-0.21...4.41-3.09+-0.21...4.41Fe I
Fe II7-2.92+-0.16...4.58-2.92+-0.16...4.58Fe II
Co I3...0.11+-0.262.00-2.990.10+-0.262.00Co I
Ni I2...-0.05+-0.243.08-3.14-0.05+-0.243.08Ni I
Rb I1...<3.14<2.57<0.21<3.30<2.57Rb I
Sr II2...-0.26+-0.15-0.32-3.19-0.10+-0.15-0.32Sr II
Y II1...<-0.39<-1.10<-3.31<-0.22<-1.10Y II
Nb II1...<2.78<1.32<-0.14<2.95<1.32Nb II
Mo I1...<2.24<1.03<-0.85<2.24<1.03Mo I
Tc I1......<1.30<1.30<4.39<1.30Tc I
Ba II1...-0.59+-0.14-1.33-3.51-0.42+-0.14-1.33Ba II
Ce II5...<1.25<-0.09<-1.67<1.42<-0.09Ce II
Nd II5...<1.18<-0.32<-1.74<1.35<-0.32Nd II
Sm II2...<1.67<-0.29<-1.25<1.84<-0.29Sm II
Eu II1...<1.07<-1.33<-1.85<1.24<-1.33Eu II
Gd II1...<2.03<0.18<-0.89<2.20<0.18Gd II
Tb II3...<2.16<-0.46<-0.78<2.31<-0.46Tb II
Dy II3...<1.31<-0.51<-1.61<1.48<-0.51Dy II
Ho II2...<1.73<-0.71<-1.18<1.91<-0.71Ho II
Er II3...<1.70<-0.30<-1.22<1.87<-0.30Er II
Tm II2...<2.07<-0.75<-0.87<2.22<-0.75Tm II
Yb II1...<1.47<-0.53<-1.45<1.64<-0.53Yb II
Hf II2...<2.72<0.65<-0.06<3.03<0.65Hf II
Pb I1...<2.37<1.32<-0.72<2.37<1.32Pb I
Th II2...<2.41<-0.45<-0.51<2.58<-0.45Th II

Binary Parameters

Binarity Negative
Vrad -57.2

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2009-03-07-02:49 2454897.623 MCDONALD 33000 60-155 7200 -56.7
2009-03-11-06:04 2454901.758 MCDONALD 33000 60-155 780 -57.4
2009-05-08-03:01 2454959.627 MCDONALD 33000 60-155 5400 -57.6
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A