CS22957-022

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 : 5075 log g : 2.41

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...0.55...-2.490.535.11Mg I
Ca IN/A...0.44...-2.560.463.78Ca I
Ti IIN/A...0.35...-2.600.422.35Ti II
Fe IN/A-3.02......-3.02...4.48Fe I
Ba IIN/A...-0.89...-3.96-0.94-1.78Ba II

Binary Parameters

Vrad -34

Position

Right Ascension : 00 01 45.50 Declination : -05 49 46.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-08-28 N/A KECKII 7000 150 900 N/A

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

Carbon and Strontium Abundances of Metal-poor Stars


Stellar Parameters

Teff : 5075 log g : 2.41

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...0.30+-0.22...-2.59+-0.220.26+-0.225.84+-0.22C
FeN/A-3.02......-2.85...4.65Fe
SrN/A...-0.28...-3.27-0.42-0.40Sr
BaN/A...-0.89...-3.96-1.11-1.78Ba

Position

Right Ascension : 00 01 45.50 Declination : -05 49 46.6 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 : 5163+-100 log g : 2.47+-0.2 vturb : 1.6+-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...0.16+-0.23...-2.68+-0.230.25+-0.235.75+-0.23C
N1...0.21+-0.23...-2.63+-0.230.30+-0.235.20+-0.23N
OH1...0.60+-0.33...-2.19+-0.330.74+-0.336.50+-0.33OH
Mg8...0.28+-0.10...-2.67+-0.100.26+-0.104.93+-0.10Mg
Ca10...0.22+-0.04...-2.69+-0.040.24+-0.043.65+-0.04Ca
Sc II3...0.05+-0.06...-2.86+-0.060.07+-0.060.29+-0.06Sc II
Ti I8...0.30+-0.06...-2.56+-0.060.37+-0.062.39+-0.06Ti I
Ti II26...0.33+-0.05...-2.53+-0.050.40+-0.052.42+-0.05Ti II
V I1...-0.09+-0.16...-2.95+-0.16-0.02+-0.160.98+-0.16V I
V II5...0.04+-0.08...-2.82+-0.080.11+-0.081.11+-0.08V II
Cr I9...-0.30+-0.05...-3.20+-0.05-0.27+-0.052.44+-0.05Cr I
Mn I3...-0.76+-0.10...-3.73+-0.10-0.80+-0.101.70+-0.10Mn I
Mn II3...-0.25+-0.05...-3.22+-0.05-0.29+-0.052.21+-0.05Mn II
Fe I125-2.93+-0.03......-2.93+-0.03...4.57+-0.03Fe I
Fe II12-2.92+-0.10......-2.92+-0.10...4.58+-0.10Fe II
Co3...0.29+-0.09...-2.71+-0.090.22+-0.092.28+-0.09Co
Ni3...-0.02+-0.08...-2.92+-0.080.01+-0.083.30+-0.08Ni
Cu2...-1.23+-0.09...-4.14+-0.09-1.21+-0.090.05+-0.09Cu
Zn2...0.31+-0.08...-2.58+-0.080.35+-0.081.98+-0.08Zn
Sr II1...-0.41+-0.16...-3.24+-0.16-0.31+-0.16-0.37+-0.16Sr II
Y II6...-0.37+-0.06...-3.27+-0.06-0.34+-0.06-1.06+-0.06Y II
Zr II3...-0.05+-0.08...-2.96+-0.08-0.03+-0.08-0.38+-0.08Zr II
Ba II2...-1.01+-0.10...-3.99+-0.10-1.06+-0.10-1.81+-0.10Ba II
Eu II1...<-0.09...<-3.03<-0.10<-2.51Eu II

Position

Right Ascension : 00 01 45.50 Declination : -05 49 46.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004-10-08 N/A KECKHIRES 46000 95 3600 -33.8+-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 : 4860+-37 log g : 1.65+-0.15 vturb : 1.55+-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......<0.63<-2.63<0.65<0.63Li I
CH1...0.06+-0.255.32-3.110.17+-0.255.32CH
CN1...<1.59<6.25<-1.58<1.70<6.25CN
O I3...<1.44<6.85<-1.84<1.44<6.85O I
Mg I8...0.47+-0.154.78-2.820.46+-0.154.78Mg I
Al I1...-0.62+-0.292.55-3.90-0.62+-0.292.55Al I
Si I1...0.81+-0.295.04-2.470.81+-0.295.04Si I
Ca I13...0.41+-0.173.46-2.880.40+-0.173.46Ca I
Sc II6...-0.09+-0.15-0.11-3.260.02+-0.15-0.11Sc II
Ti I13...0.22+-0.151.89-3.060.22+-0.151.89Ti I
Ti II24...0.12+-0.151.90-3.050.23+-0.151.90Ti II
V I1...0.01+-0.180.66-3.270.01+-0.180.66V I
V II2...-0.01+-0.260.75-3.180.10+-0.260.75V II
Cr I6...-0.14+-0.142.22-3.42-0.14+-0.142.22Cr I
Cr II1...0.29+-0.162.76-2.880.40+-0.162.76Cr II
Mn I4...-0.36+-0.171.78-3.65-0.37+-0.171.78Mn I
Fe I103-3.28+-0.14...4.22-3.28+-0.14...4.22Fe I
Fe II10-3.17+-0.16...4.33-3.17+-0.16...4.33Fe II
Co I4...0.00+-0.191.71-3.280.00+-0.191.71Co I
Ni I3...0.00+-0.192.94-3.280.00+-0.192.94Ni I
Zn I2...0.44+-0.161.72-2.840.44+-0.161.72Zn I
Sr II2...-0.45+-0.24-0.74-3.61-0.33+-0.24-0.74Sr II
Y II2...-0.73+-0.19-1.68-3.89-0.61+-0.19-1.68Y II
Zr II3...-0.18+-0.19-0.76-3.34-0.06+-0.19-0.76Zr II
Nb II1...<1.95<0.24<-1.22<2.06<0.24Nb II
Mo I1...<1.11<-0.29<-2.17<1.11<-0.29Mo I
Tc I1......<0.05<0.05<3.33<0.05Tc I
Sn I1...<2.46<1.25<-0.82<2.46<1.25Sn I
Ba II1...-1.30+-0.15-2.29-4.47-1.19+-0.15-2.29Ba II
Ce II5...<0.28<-1.31<-2.89<0.39<-1.31Ce II
Pr II1...<0.63<-1.82<-2.54<0.74<-1.82Pr II
Nd II5...<0.02<-1.73<-3.15<0.13<-1.73Nd II
Sm II2...<0.70<-1.51<-2.47<0.81<-1.51Sm II
Eu II3...<0.05<-2.60<-3.12<0.16<-2.60Eu II
Gd II3...<1.02<-1.08<-2.15<1.13<-1.08Gd II
Tb II3...<1.15<-1.72<-2.04<1.24<-1.72Tb II
Dy II2...<0.09<-1.98<-3.08<0.20<-1.98Dy II
Er II2...<0.72<-1.53<-2.45<0.83<-1.53Er II
Tm II2...<1.01<-2.06<-2.18<1.10<-2.06Tm II
Yb II1...<-0.34<-2.59<-3.51<-0.23<-2.59Yb II
Hf II1...<1.54<-0.78<-1.49<1.79<-0.78Hf II
Pb I1...<2.01<0.77<-1.27<2.01<0.77Pb I
Th II2...<1.34<-1.77<-1.83<1.45<-1.77Th II

Binary Parameters

Binarity Negative
Vrad -31.6

Position

Right Ascension : 00 01 45.50 Declination : -05 49 46.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2006-08-04-09:36 2453951.904 MIKELCO 41000 60-90 1200 -31.6