CS22893-010

taken from 4 paper(s):

/D.K.Lai et al.(2004)/ /D.K.Lai et al.(2007)/ /I.U.Roederer et al.(2014)/ /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...0.20...-2.200.185.40Mg I
Ca IN/A...0.16...-2.200.184.14Ca I
Ti IIN/A...0.52...-1.790.593.16Ti II
Fe IN/A-2.38......-2.38...5.12Fe I
Ba IIN/A...<-1.00...<-3.43<-1.05<-1.25Ba II

Binary Parameters

Vrad -28

Position

Right Ascension : 22 58 11.73 Declination : -11 56 45.4 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 150 900 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...0.30+-0.26...-1.95+-0.260.26+-0.266.48+-0.26C
FeN/A-2.38......-2.21...5.29Fe
SrN/A...-0.02...-2.37-0.160.50Sr
BaN/A...<-1.00...<-3.43<-1.22<-1.25Ba

Position

Right Ascension : 22 58 11.73 Declination : -11 56 45.4 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 KECKII 7000 N/A N/A N/A

I.U.Roederer et al.,ApJ, 784, 158, 2014(ADS)

Neutron-capture Nucleosynthesis in the First Stars


Stellar Parameters

Teff : 5150+-44 log g : 2.45+-0.20 vturb : 1.35+-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......2.57+-0.23-0.69+-0.232.43+-0.232.57+-0.23Li I
C1...0.13+-0.255.62+-0.25-2.81+-0.250.31+-0.255.62+-0.25C
CH1...0.13+-0.255.62+-0.25-2.81+-0.250.31+-0.255.62+-0.25CH
N1...1.55+-0.366.44+-0.36-1.39+-0.361.73+-0.366.44+-0.36N
NH1...1.55+-0.366.44+-0.36-1.39+-0.361.73+-0.366.44+-0.36NH
O I1...1.01+-0.186.58+-0.18-2.11+-0.181.01+-0.186.58+-0.18O I
Na I2...1.58+-0.174.70+-0.17-1.54+-0.171.58+-0.174.70+-0.17Na I
Mg I7...0.56+-0.155.04+-0.15-2.56+-0.150.56+-0.155.04+-0.15Mg I
Al I1...-0.39+-0.292.94+-0.29-3.51+-0.29-0.39+-0.292.94+-0.29Al I
Si I1...0.85+-0.295.24+-0.29-2.27+-0.290.85+-0.295.24+-0.29Si I
K I2...0.43+-0.192.34+-0.19-2.69+-0.190.43+-0.192.34+-0.19K I
Ca I14...0.48+-0.173.70+-0.17-2.64+-0.170.48+-0.173.70+-0.17Ca I
Sc II3...0.05+-0.140.27+-0.14-2.88+-0.140.24+-0.140.27+-0.14Sc II
Ti I7...0.32+-0.152.15+-0.15-2.80+-0.150.32+-0.152.15+-0.15Ti I
Ti II21...0.21+-0.152.23+-0.15-2.72+-0.150.40+-0.152.23+-0.15Ti II
V II2...0.05+-0.271.05+-0.27-2.88+-0.270.24+-0.271.05+-0.27V II
Cr I5...-0.19+-0.142.33+-0.14-3.31+-0.14-0.19+-0.142.33+-0.14Cr I
Mn I4...-0.39+-0.161.92+-0.16-3.51+-0.16-0.39+-0.161.92+-0.16Mn I
Fe I112-3.12+-0.15...4.38+-0.15-3.12+-0.15...4.38+-0.15Fe I
Fe II9-2.93+-0.16...4.57+-0.16-2.93+-0.16...4.57+-0.16Fe II
Co I5...0.16+-0.192.03+-0.19-2.96+-0.190.16+-0.192.03+-0.19Co I
Ni I2...0.03+-0.183.13+-0.18-3.09+-0.180.03+-0.183.13+-0.18Ni I
Zn I3...<0.59<2.03<-2.53<0.59<2.03Zn I
Rb I1...<2.75<2.15<-0.21<2.91<2.15Rb I
Sr II2...-0.23+-0.22-0.29+-0.22-3.16+-0.22-0.04+-0.22-0.29+-0.22Sr II
Y II2...-0.73+-0.20-1.45+-0.20-3.66+-0.20-0.54+-0.20-1.45+-0.20Y II
Zr II1...-0.33+-0.20-0.68+-0.20-3.26+-0.20-0.14+-0.20-0.68+-0.20Zr II
Nb II1...<2.49<1.02<-0.44<2.68<1.02Nb II
Mo I1...<1.67<0.43<-1.45<1.67<0.43Mo I
Tc I1......<0.67<0.67<3.79<0.67Tc I
Ba II1...-1.28+-0.15-2.03+-0.15-4.21+-0.15-1.09+-0.15-2.03+-0.15Ba II
Ce II5...<0.58<-0.77<-2.35<0.77<-0.77Ce II
Pr II2...<1.01<-1.20<-1.92<1.20<-1.20Pr II
Nd II5...<0.51<-1.00<-2.42<0.70<-1.00Nd II
Sm II2...<1.01<-0.96<-1.92<1.20<-0.96Sm II
Eu II4...<0.39<-2.02<-2.54<0.58<-2.02Eu II
Gd II3...<1.35<-0.51<-1.58<1.54<-0.51Gd II
Tb II2...<1.71<-0.92<-1.24<1.88<-0.92Tb II
Dy II1...<0.79<-1.04<-2.14<0.98<-1.04Dy II
Ho II1...<1.36<-1.09<-1.56<1.56<-1.09Ho II
Er II3...<1.00<-1.01<-1.93<1.19<-1.01Er II
Tm II2...<1.61<-1.22<-1.34<1.78<-1.22Tm II
Yb II1...<0.15<-1.86<-2.78<0.34<-1.86Yb II
Hf II2...<1.88<-0.20<-0.91<2.21<-0.20Hf II

Isotopic Ratio

12C/13C >5

Binary Parameters

Vrad -51.6

Position

Right Ascension : 22 58 11.73 Declination : -11 56 45.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2012-8-27-2:48 2456166.622 MIKELCO 41000 45-115 3600 -51.6

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 : 5150+-44 log g : 2.45+-0.2 vturb : 1.35+-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......2.57-0.692.432.57Li I
CH1...0.13+-0.255.62-2.810.31+-0.255.62CH
NH1...1.55+-0.366.44-1.391.73+-0.366.44NH
O I1...1.01+-0.186.58-2.111.01+-0.186.58O I
Na I2...1.58+-0.174.70-1.541.58+-0.174.70Na I
Mg I7...0.56+-0.155.04-2.560.56+-0.155.04Mg I
Al I1...-0.39+-0.292.94-3.51-0.39+-0.292.94Al I
Si I1...0.85+-0.295.24-2.270.85+-0.295.24Si I
K I2...0.43+-0.192.34-2.690.43+-0.192.34K I
Ca I14...0.48+-0.173.70-2.640.48+-0.173.70Ca I
Sc II3...0.05+-0.140.27-2.880.24+-0.140.27Sc II
Ti I7...0.32+-0.152.15-2.800.32+-0.152.15Ti I
Ti II21...0.21+-0.152.23-2.720.40+-0.152.23Ti II
V II2...0.05+-0.271.05-2.880.24+-0.271.05V II
Cr I5...-0.19+-0.142.33-3.31-0.19+-0.142.33Cr I
Mn I4...-0.39+-0.161.92-3.51-0.39+-0.161.92Mn I
Fe I112-3.12+-0.15...4.38-3.12+-0.15...4.38Fe I
Fe II9-2.93+-0.16...4.57-2.93+-0.16...4.57Fe II
Co I5...0.16+-0.192.03-2.960.16+-0.192.03Co I
Ni I2...0.03+-0.183.13-3.090.03+-0.183.13Ni I
Zn I3...<0.59<2.03<-2.53<0.59<2.03Zn I
Rb I1...<2.75<2.15<-0.21<2.91<2.15Rb I
Sr II2...-0.23+-0.22-0.29-3.16-0.04+-0.22-0.29Sr II
Y II2...-0.73+-0.20-1.45-3.66-0.54+-0.20-1.45Y II
Zr II1...-0.33+-0.20-0.68-3.26-0.14+-0.20-0.68Zr II
Nb II1...<2.49<1.02<-0.44<2.68<1.02Nb II
Mo I1...<1.67<0.43<-1.45<1.67<0.43Mo I
Tc I1......<0.67<0.67<3.79<0.67Tc I
Ba II1...-1.28+-0.15-2.03-4.21-1.09+-0.15-2.03Ba II
Ce II5...<0.58<-0.77<-2.35<0.77<-0.77Ce II
Pr II2...<1.01<-1.20<-1.92<1.20<-1.20Pr II
Nd II5...<0.51<-1.00<-2.42<0.70<-1.00Nd II
Sm II2...<1.01<-0.96<-1.92<1.20<-0.96Sm II
Eu II4...<0.39<-2.02<-2.54<0.58<-2.02Eu II
Gd II3...<1.35<-0.51<-1.58<1.54<-0.51Gd II
Tb II2...<1.71<-0.92<-1.24<1.88<-0.92Tb II
Dy II1...<0.79<-1.04<-2.14<0.98<-1.04Dy II
Ho II1...<1.36<-1.09<-1.56<1.56<-1.09Ho II
Er II3...<1.00<-1.01<-1.93<1.19<-1.01Er II
Tm II2...<1.61<-1.22<-1.34<1.78<-1.22Tm II
Yb II1...<0.15<-1.86<-2.78<0.34<-1.86Yb II
Hf II2...<1.88<-0.20<-0.91<2.21<-0.20Hf II

Binary Parameters

Binarity Positive
Vrad -51.6

Position

Right Ascension : 22 58 11.73 Declination : -11 56 45.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2012-08-27-02:48 2456166.622 MIKELCO 41000 45-115 3600 -51.6