CS22891-200

taken from 6 paper(s):

/A.McWilliam et al.(1995)/ /A.McWilliam et al.(1995)/ /J.K.Hollek et al.(2011)/ /I.U.Roederer et al.(2014)/ /I.U.Roederer et al.(2014)/ /K.A.Venn et al.(2004)/


A.McWilliam et al.,AJ, 109, 2736, 1995(ADS)

A Spectroscopic Analysis of 33 of the Most Metal-Poor Stars.I.


Position

Right Ascension : 19 35 19.08 Declination : -61 42 24.4 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 N/A FRUTTI 22000 N/A N/A N/A

A.McWilliam et al.,AJ, 109, 2757, 1995(ADS)

Spectroscopic Analysis of 33 of the Most Metal Poor Stars. II.


Stellar Parameters

Teff : 4700 log g : 1.00+-0.30 vturb : 2.51+-0.11

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...0.53...-2.830.495.60C
NaN/A...0.20...-3.200.123.04Na
MgN/A...0.49...-3.020.304.58Mg
CaN/A...0.68...-2.790.533.55Ca
Fe IN/A-3.49......-3.32...4.18Fe I
Fe IIN/A-3.48......-3.31...4.19Fe II
NiN/A...-0.04...-3.50-0.182.72Ni
SrN/A...-1.33...-4.79-1.47-1.92Sr
BaN/A...-0.92...-4.46-1.14-2.28Ba

Position

Right Ascension : 19 35 19.08 Declination : -61 42 24.4 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 FRUTTI 22000 N/A N/A N/A

J.K.Hollek et al.,ApJ, 742, 54, 2011(ADS)

The Chemical Abundances of Stars in the Halo (CASH) Project. II. A Sample of 14 Extremely Metal-poor Stars


Stellar Parameters

Teff : 4500 log g : 0.45 vturb : 2.60

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......<0.85+-0.15<-2.41+-0.15<1.51+-0.15<0.85+-0.15Li I
CN/A...0.58+-0.205.09+-0.20-3.34+-0.200.58+-0.205.09+-0.20C
Mg I5...0.66+-0.094.34+-0.09-3.26+-0.090.66+-0.094.34+-0.09Mg I
Al I1...-0.72+-0.151.81+-0.15-4.64+-0.15-0.72+-0.151.81+-0.15Al I
Si I1...0.78+-0.154.37+-0.15-3.14+-0.150.78+-0.154.37+-0.15Si I
Ca I10...0.72+-0.103.14+-0.10-3.20+-0.100.72+-0.103.14+-0.10Ca I
Sc II2...-0.44+-0.05-1.21+-0.05-4.36+-0.05-0.44+-0.05-1.21+-0.05Sc II
Ti I3...0.22+-0.061.25+-0.06-3.70+-0.060.22+-0.061.25+-0.06Ti I
Ti II25...0.07+-0.111.10+-0.11-3.85+-0.110.07+-0.111.10+-0.11Ti II
Cr I5...-0.44+-0.231.28+-0.23-4.36+-0.23-0.44+-0.231.28+-0.23Cr I
Mn I3...-1.26+-0.140.25+-0.14-5.18+-0.14-1.26+-0.140.25+-0.14Mn I
FeN/A-3.92......-3.92...3.58Fe
Co I4...0.34+-0.281.41+-0.28-3.58+-0.280.34+-0.281.41+-0.28Co I
Ni I5...-0.31+-0.181.99+-0.18-4.23+-0.18-0.31+-0.181.99+-0.18Ni I
Zn I...<1.34+-0.15<1.98+-0.15<-2.58+-0.15<1.34+-0.15<1.98+-0.15Zn I
Sr II2...-1.48+-0.15-2.53+-0.15-5.40+-0.15-1.48+-0.15-2.53+-0.15Sr II
Y II...<0.33+-0.15<-1.38+-0.15<-3.59+-0.15<0.33+-0.15<-1.38+-0.15Y II
Zr II...<0.83+-0.15<-0.51+-0.15<-3.09+-0.15<0.83+-0.15<-0.51+-0.15Zr II
Ba II1...-1.06+-0.15-2.80+-0.15-4.98+-0.15-1.06+-0.15-2.80+-0.15Ba II
La II...<0.97+-0.15<-1.85+-0.15<-2.95+-0.15<0.97+-0.15<-1.85+-0.15La II
Eu II...<0.89+-0.15<-2.51+-0.15<-3.03+-0.15<0.89+-0.15<-2.51+-0.15Eu II

Position

Right Ascension : 19 35 19.08 Declination : -61 42 24.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2010-08-05 N/A MIKELCO 35000 52 900 137.7

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

Neutron-capture Nucleosynthesis in the First Stars


Stellar Parameters

Teff : 4490+-33 log g : 0.50+-0.12 vturb : 1.70+-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......<0.13<-3.13<0.93<0.13Li I
CH1...0.35+-0.254.90+-0.25-3.53+-0.250.53+-0.254.90+-0.25CH
NH1...1.20+-0.365.15+-0.36-2.68+-0.361.38+-0.365.15+-0.36NH
O I4...<1.67<6.30<-2.39<1.67<6.30O I
Mg I9...0.82+-0.164.36+-0.16-3.24+-0.160.82+-0.164.36+-0.16Mg I
Al I1...-0.37+-0.282.02+-0.28-4.43+-0.28-0.37+-0.282.02+-0.28Al I
Si I1...1.05+-0.204.50+-0.20-3.01+-0.201.05+-0.204.50+-0.20Si I
K I1...0.32+-0.231.29+-0.23-3.74+-0.230.32+-0.231.29+-0.23K I
Ca I12...0.77+-0.173.05+-0.17-3.29+-0.170.77+-0.173.05+-0.17Ca I
Sc II5...-0.45+-0.15-1.18+-0.15-4.33+-0.15-0.27+-0.15-1.18+-0.15Sc II
Ti I9...0.25+-0.151.14+-0.15-3.81+-0.150.25+-0.151.14+-0.15Ti I
Ti II24...0.14+-0.151.21+-0.15-3.74+-0.150.32+-0.151.21+-0.15Ti II
V II1...-0.00+-0.270.05+-0.27-3.88+-0.270.18+-0.270.05+-0.27V II
Cr I4...-0.43+-0.151.15+-0.15-4.49+-0.15-0.43+-0.151.15+-0.15Cr I
Mn I3...-1.02+-0.140.35+-0.14-5.08+-0.14-1.02+-0.140.35+-0.14Mn I
Mn II1...-1.05+-0.350.50+-0.35-4.93+-0.35-0.87+-0.350.50+-0.35Mn II
Fe I87-4.06+-0.15...3.44+-0.15-4.06+-0.15...3.44+-0.15Fe I
Fe II9-3.88+-0.16...3.62+-0.16-3.88+-0.16...3.62+-0.16Fe II
Co I6...-0.18+-0.190.75+-0.19-4.24+-0.19-0.18+-0.190.75+-0.19Co I
Ni I4...-0.14+-0.202.02+-0.20-4.20+-0.20-0.14+-0.202.02+-0.20Ni I
Zn I2...<0.87<1.37<-3.19<0.87<1.37Zn I
Sr II2...-1.36+-0.15-2.37+-0.15-5.24+-0.15-1.18+-0.15-2.37+-0.15Sr II
Y II2...-1.18+-0.24-2.85+-0.24-5.06+-0.24-1.00+-0.24-2.85+-0.24Y II
Nb II1...<2.20<-0.22<-1.68<2.38<-0.22Nb II
Mo I1...<1.32<-0.86<-2.74<1.32<-0.86Mo I
Tc I1......<-0.68<-0.68<3.38<-0.68Tc I
Ba II2...-0.93+-0.15-2.63+-0.15-4.81+-0.15-0.75+-0.15-2.63+-0.15Ba II
Ce II5...<0.23<-2.07<-3.65<0.41<-2.07Ce II
Pr II4...<0.52<-2.64<-3.36<0.70<-2.64Pr II
Nd II5...<0.16<-2.30<-3.72<0.34<-2.30Nd II
Sm II2...<0.95<-1.97<-2.93<1.13<-1.97Sm II
Eu II2...-0.07+-0.22-3.43+-0.22-3.95+-0.220.11+-0.22-3.43+-0.22Eu II
Gd II2...<1.16<-1.65<-2.72<1.34<-1.65Gd II
Tb II3...<1.24<-2.34<-2.66<1.40<-2.34Tb II
Dy II3...<0.34<-2.44<-3.54<0.52<-2.44Dy II
Ho II1...<0.75<-2.65<-3.12<0.94<-2.65Ho II
Er II2...<0.66<-2.30<-3.22<0.84<-2.30Er II
Tm II2...<1.17<-2.61<-2.73<1.33<-2.61Tm II
Yb II1...<-0.22<-3.18<-4.10<-0.04<-3.18Yb II
Hf II2...<1.62<-1.41<-2.12<1.94<-1.41Hf II
Ir I1...<1.83<-0.85<-2.23<1.83<-0.85Ir I
Pb I1...<2.17<0.15<-1.89<2.17<0.15Pb I
Th II3...<1.36<-2.46<-2.52<1.54<-2.46Th II

Isotopic Ratio

12C/13C >6

Binary Parameters

Vrad 137.2

Position

Right Ascension : 19 35 19.08 Declination : -61 42 24.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2006-8-06-1:05 2453953.549 MIKELCO 41000 65-130 4100 137.2

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 : 4490+-33 log g : 0.5+-0.12 vturb : 1.7+-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......<0.13<-3.13<0.93<0.13Li I
CH1...0.35+-0.254.90-3.530.53+-0.254.90CH
NH1...1.20+-0.365.15-2.681.38+-0.365.15NH
O I4...<1.67<6.30<-2.39<1.67<6.30O I
Mg I9...0.82+-0.164.36-3.240.82+-0.164.36Mg I
Al I1...-0.37+-0.282.02-4.43-0.37+-0.282.02Al I
Si I1...1.05+-0.204.50-3.011.05+-0.204.50Si I
K I1...0.32+-0.231.29-3.740.32+-0.231.29K I
Ca I12...0.77+-0.173.05-3.290.77+-0.173.05Ca I
Sc II5...-0.45+-0.15-1.18-4.33-0.27+-0.15-1.18Sc II
Ti I9...0.25+-0.151.14-3.810.25+-0.151.14Ti I
Ti II24...0.14+-0.151.21-3.740.32+-0.151.21Ti II
V II1...0.00+-0.270.05-3.880.18+-0.270.05V II
Cr I4...-0.43+-0.151.15-4.49-0.43+-0.151.15Cr I
Mn I3...-1.02+-0.140.35-5.08-1.02+-0.140.35Mn I
Mn II1...-1.05+-0.350.50-4.93-0.87+-0.350.50Mn II
Fe I87-4.06+-0.15...3.44-4.06+-0.15...3.44Fe I
Fe II9-3.88+-0.16...3.62-3.88+-0.16...3.62Fe II
Co I6...-0.18+-0.190.75-4.24-0.18+-0.190.75Co I
Ni I4...-0.14+-0.202.02-4.20-0.14+-0.202.02Ni I
Zn I2...<0.87<1.37<-3.19<0.87<1.37Zn I
Sr II2...-1.36+-0.15-2.37-5.24-1.18+-0.15-2.37Sr II
Y II2...-1.18+-0.24-2.85-5.06-1.00+-0.24-2.85Y II
Nb II1...<2.20<-0.22<-1.68<2.38<-0.22Nb II
Mo I1...<1.32<-0.86<-2.74<1.32<-0.86Mo I
Tc I1......<-0.68<-0.68<3.38<-0.68Tc I
Ba II2...-0.93+-0.15-2.63-4.81-0.75+-0.15-2.63Ba II
Ce II5...<0.23<-2.07<-3.65<0.41<-2.07Ce II
Pr II4...<0.52<-2.64<-3.36<0.70<-2.64Pr II
Nd II5...<0.16<-2.30<-3.72<0.34<-2.30Nd II
Sm II2...<0.95<-1.97<-2.93<1.13<-1.97Sm II
Eu II2...-0.07+-0.22-3.43-3.950.11+-0.22-3.43Eu II
Gd II2...<1.16<-1.65<-2.72<1.34<-1.65Gd II
Tb II3...<1.24<-2.34<-2.66<1.40<-2.34Tb II
Dy II3...<0.34<-2.44<-3.54<0.52<-2.44Dy II
Ho II1...<0.75<-2.65<-3.12<0.94<-2.65Ho II
Er II2...<0.66<-2.30<-3.22<0.84<-2.30Er II
Tm II2...<1.17<-2.61<-2.73<1.33<-2.61Tm II
Yb II1...<-0.22<-3.18<-4.10<-0.04<-3.18Yb II
Hf II2...<1.62<-1.41<-2.12<1.94<-1.41Hf II
Ir I1...<1.83<-0.85<-2.23<1.83<-0.85Ir I
Pb I1...<2.17<0.15<-1.89<2.17<0.15Pb I
Th II3...<1.36<-2.46<-2.52<1.54<-2.46Th II

Binary Parameters

Binarity Negative
Vrad 137.2

Position

Right Ascension : 19 35 19.08 Declination : -61 42 24.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2006-08-06-01:05 2453953.549 MIKELCO 41000 65-130 4100 137.2

K.A.Venn et al.,AJ, 128, 1177, 2004(ADS)

Stellar Chemical Signatures and Hierarchical Galaxy Formation


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
NaN/A...0.2...-3.200.293.04Na
MgN/A...0.49...-3.020.474.58Mg
CaN/A...0.68...-2.790.703.55Ca
TiN/A...0.13...-3.290.201.66Ti
FeN/A-3.49......-3.49...4.01Fe
NiN/A...-0.04...-3.50-0.012.72Ni
BaN/A...-1.08...-4.62-1.13-2.44Ba

Position

Right Ascension : 19 35 19.08 Declination : -61 42 24.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log