CS22944-032

taken from 4 paper(s):

/D.K.Lai et al.(2004)/ /D.K.Lai et al.(2007)/ /D.K.Lai et al.(2008)/ /I.U.Roederer et al.(2014)/

D.K.Lai et al.,AJ, 128, 2402, 2004(ADS)

ABUNDANCES OF EXTREMELY METAL-POOR STAR CANDIDATES


Stellar Parameters

Teff : 5528 log g : 3.44

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
Mg IN/A...0.59...-2.070.575.53Mg I
Ca IN/A...0.22...-2.400.243.94Ca I
Ti IIN/A...1.04...-1.531.113.42Ti II
Fe IN/A-2.64......-2.64...4.86Fe I
Ba IIN/A...-0.58...-3.27-0.63-1.09Ba II

Binary Parameters

Vrad 34

Position

Right Ascension : 21 47 43.23 Declination : -13 40 22.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1999-09-28 N/A KECKII 7000 150 600 N/A

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

Carbon and Strontium Abundances of Metal-poor Stars


Stellar Parameters

Teff : 5528 log g : 3.44

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
CN/A...0.65+-0.26...-1.86+-0.260.61+-0.266.57+-0.26C
FeN/A-2.64......-2.47...5.03Fe
SrN/A...0.44...-2.170.300.70Sr
BaN/A...-0.58...-3.27-0.80-1.09Ba

Position

Right Ascension : 21 47 43.23 Declination : -13 40 22.8 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

D.K.Lai et al.,ApJ, 681, 1524, 2008(ADS)

Detailed Abundances for 28 Metal-poor Stars: Stellar Relics in the Milky Way


Stellar Parameters

Teff : 5300+-100 log g : 2.87+-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
C1...0.31+-0.15...-2.58+-0.150.40+-0.155.85+-0.15C
N1...<-0.44...<-3.33<-0.35<4.50N
OH1...0.75+-0.33...-2.09+-0.330.89+-0.336.60+-0.33OH
Mg8...0.39+-0.09...-2.61+-0.090.37+-0.094.99+-0.09Mg
Al1...-0.84+-0.16...-3.80+-0.16-0.82+-0.162.65+-0.16Al
Ca10...0.29+-0.04...-2.67+-0.040.31+-0.043.67+-0.04Ca
Sc II3...0.11+-0.08...-2.85+-0.080.13+-0.080.30+-0.08Sc II
Ti I13...0.32+-0.06...-2.59+-0.060.39+-0.062.36+-0.06Ti I
Ti II25...0.36+-0.05...-2.55+-0.050.43+-0.052.40+-0.05Ti II
V II5...0.16+-0.08...-2.75+-0.080.23+-0.081.18+-0.08V II
Cr I9...-0.31+-0.05...-3.26+-0.05-0.28+-0.052.38+-0.05Cr I
Mn I6...-0.44+-0.09...-3.46+-0.09-0.48+-0.091.97+-0.09Mn I
Mn II3...-0.19+-0.05...-3.21+-0.05-0.23+-0.052.22+-0.05Mn II
Fe I124-2.98+-0.03......-2.98+-0.03...4.52+-0.03Fe I
Fe II10-3.04+-0.10......-3.04+-0.10...4.46+-0.10Fe II
Co3...0.45+-0.06...-2.60+-0.060.38+-0.062.39+-0.06Co
Ni4...0.10+-0.06...-2.85+-0.060.13+-0.063.37+-0.06Ni
Cu2...-1.10+-0.08...-4.06+-0.08-1.08+-0.080.13+-0.08Cu
Zn1...0.25+-0.17...-2.69+-0.170.29+-0.171.87+-0.17Zn
Sr II2...-0.27+-0.08...-3.15+-0.08-0.17+-0.08-0.28+-0.08Sr II
Y II7...-0.30+-0.05...-3.25+-0.05-0.27+-0.05-1.04+-0.05Y II
Zr II5...0.05+-0.05...-2.91+-0.050.07+-0.05-0.33+-0.05Zr II
Ba II2...-0.62+-0.09...-3.65+-0.09-0.67+-0.09-1.47+-0.09Ba II
Eu II1...<0.73...<-2.26<0.72<-1.74Eu II

Position

Right Ascension : 21 47 43.23 Declination : -13 40 22.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004107-8 N/A KECKHIRES 46000 147 7200 17.7+-0.2

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 : 5090+-36 log g : 2.3+-0.14 vturb : 1.45+-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......1.00-2.260.961.00Li I
CH1...0.21+-0.255.49-2.940.28+-0.255.49CH
NH1...<0.02<4.70<-3.13<0.09<4.70NH
O I4...<0.79<6.26<-2.43<0.79<6.26O I
Mg I8...0.54+-0.154.93-2.670.55+-0.154.93Mg I
Al I1...-0.82+-0.262.41-4.04-0.82+-0.262.41Al I
Si I1...0.84+-0.295.13-2.380.84+-0.295.13Si I
Ca I13...0.45+-0.173.58-2.760.46+-0.173.58Ca I
Sc II6...-0.05+-0.16-0.05-3.200.02+-0.16-0.05Sc II
Ti I13...0.28+-0.152.01-2.940.28+-0.152.01Ti I
Ti II27...0.22+-0.162.01-2.940.28+-0.162.01Ti II
V I1...0.11+-0.180.82-3.110.11+-0.180.82V I
V II2...0.13+-0.290.91-3.020.20+-0.290.91V II
Cr I8...-0.13+-0.152.29-3.35-0.13+-0.152.29Cr I
Cr II2...0.10+-0.192.59-3.050.17+-0.192.59Cr II
Mn I6...-0.23+-0.171.98-3.45-0.23+-0.171.98Mn I
Mn II2...-0.32+-0.211.96-3.47-0.25+-0.211.96Mn II
Fe I106-3.22+-0.15...4.28-3.22+-0.15...4.28Fe I
Fe II11-3.15+-0.16...4.35-3.15+-0.16...4.35Fe II
Co I10...0.18+-0.211.95-3.040.18+-0.211.95Co I
Ni I12...0.31+-0.223.31-2.910.31+-0.223.31Ni I
Zn I2...0.30+-0.191.65-2.910.31+-0.191.65Zn I
Rb I1...<2.65<1.95<-0.41<2.81<1.95Rb I
Sr II2...-0.26+-0.22-0.55-3.42-0.20+-0.22-0.55Sr II
Y II2...-0.56+-0.20-1.50-3.71-0.49+-0.20-1.50Y II
Zr II1...-0.06+-0.18-0.63-3.210.01+-0.18-0.63Zr II
Nb II1...<2.19<0.50<-0.96<2.26<0.50Nb II
Mo I1...<1.10<-0.24<-2.12<1.10<-0.24Mo I
Tc I1......<0.25<0.25<3.47<0.25Tc I
Sn I1...<2.35<1.20<-0.87<2.35<1.20Sn I
Ba II2...-0.98+-0.16-1.95-4.13-0.91+-0.16-1.95Ba II
La II1...<0.24<-1.81<-2.91<0.31<-1.81La II
Ce II5...<0.34<-1.23<-2.81<0.41<-1.23Ce II
Pr II4...<0.70<-1.73<-2.45<0.77<-1.73Pr II
Nd II5...<0.16<-1.57<-2.99<0.23<-1.57Nd II
Sm II2...<0.91<-1.28<-2.24<0.98<-1.28Sm II
Eu II1...<-0.15<-2.78<-3.30<-0.08<-2.78Eu II
Gd II3...<1.04<-1.04<-2.11<1.11<-1.04Gd II
Tb II2...<2.02<-0.83<-1.15<2.07<-0.83Tb II
Dy II1...<0.12<-1.93<-3.03<0.19<-1.93Dy II
Ho II1...<1.38<-1.29<-1.76<1.46<-1.29Ho II
Er II3...<0.62<-1.61<-2.53<0.69<-1.61Er II
Tm II2...<1.14<-1.91<-2.03<1.19<-1.91Tm II
Yb II1...-0.62+-0.56-2.85-3.77-0.55+-0.56-2.85Yb II
Hf II2...<1.55<-0.75<-1.46<1.76<-0.75Hf II
Ir I1...<2.09<0.25<-1.13<2.09<0.25Ir I
Pb I1...<1.89<0.71<-1.33<1.89<0.71Pb I
Th II3...<1.40<-1.69<-1.75<1.47<-1.69Th II

Binary Parameters

Binarity Negative
Vrad 19

Position

Right Ascension : 21 47 43.23 Declination : -13 40 22.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004-06-30-09:51 2453186.915 MIKELCO 41000 145-235 4400 19.3
2007-08-22-03:12 2454334.639 MIKELCO 41000 145-235 800 18.5
2007-08-23-02:35 2454335.613 MIKELCO 41000 145-235 2000 19.1