CS22950-046

taken from 9 paper(s):

/E.Carretta et al.(2002)/ /J.G.Cohen et al.(2002)/ /A.McWilliam et al.(1995)/ /A.McWilliam et al.(1995)/ /J.A.Johnson et al.(2007)/ /Y.Ishimaru et al.(2004)/ /J.G.Cohen et al.(2013)/ /I.U.Roederer et al.(2014)/ /K.A.Venn et al.(2004)/

E.Carretta et al.,AJ, 124, 481, 2002(ADS)

STELLAR ARCHAEOLOGY: A KECK PILOT PROGRAM ON EXTREMELY METAL-POOR STARS FROM THE HAMBURG/ESO SURVEY. II. ABUNDANCE ANALYSIS


Stellar Parameters

Teff : 4730 log g : 1.30 vturb : 2.02

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 I5...0.44+-0.24...-2.85+-0.240.41+-0.244.75+-0.24Mg I
Al I1...-0.52...-3.77-0.512.68Al I
Si I1...0.49...-2.740.524.77Si I
Ca I7...0.25+-0.06...-3.00+-0.060.26+-0.063.34+-0.06Ca I
Sc II4...0.23+-0.06...-3.10+-0.060.16+-0.060.05+-0.06Sc II
Ti I6...0.13+-0.06...-3.10+-0.060.16+-0.061.85+-0.06Ti I
Ti II17...0.18+-0.17...-3.05+-0.170.21+-0.171.90+-0.17Ti II
Cr I4...-0.58+-0.12...-3.82+-0.12-0.56+-0.121.82+-0.12Cr I
Mn I3...-0.93+-0.20...-4.24+-0.20-0.98+-0.201.19+-0.20Mn I
Fe I42-3.27+-0.10......-3.26+-0.10...4.24+-0.10Fe I
Fe II5-3.44+-0.14......-3.43+-0.14...4.07+-0.14Fe II
Sr II2...-0.35+-0.04...-3.59+-0.04-0.33+-0.04-0.72+-0.04Sr II
Ba II1...-1.37...-4.69-1.43-2.51Ba II

Position

Right Ascension : 20 21 28.40 Declination : -13 16 33.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-09 N/A KECKHIRES 45000 N/A N/A N/A

J.G.Cohen et al.,AJ, 124, 470, 2002(ADS)

STELLAR ARCHAEOLOGY: A KECK PILOT PROGRAM ON EXTREMELY METAL-POOR STARS FROM THE HAMBURG/ESO SURVEY. I. STELLAR PARAMETERS


Stellar Parameters

Teff : 4730 log g : 1.3

Binary Parameters

Vrad +106.7

Position

Right Ascension : 20 21 28.40 Declination : -13 16 33.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-09 N/A KECKHIRES 45000 93 2400

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

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


Position

Right Ascension : 20 21 28.40 Declination : -13 16 33.6 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 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 : 4640 log g : 0.85+-0.28 vturb : 2.68+-0.12

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...-0.06...-3.33-0.105.10C
NaN/A...-0.27...-3.58-0.352.66Na
MgN/A...0.38...-3.040.194.56Mg
CaN/A...0.45...-2.930.303.41Ca
Fe IN/A-3.40......-3.23...4.27Fe I
Fe IIN/A-3.40......-3.23...4.27Fe II
NiN/A...0.26...-3.110.123.11Ni
SrN/A...-0.63...-4.00-0.77-1.13Sr
BaN/A...-1.20...-4.65-1.42-2.47Ba

Position

Right Ascension : 20 21 28.40 Declination : -13 16 33.6 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 FRUTTI 22000 N/A N/A N/A

J.A.Johnson et al.,ApJ, 658, 1203, 2007(ADS)

A Search for Nitrogen-enhanced Metal-poor Stars


Stellar Parameters

Teff : 4604 log g : 1.25 vturb : 2.11

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...-0.50+-0.294.77+-0.25-3.66+-0.25-0.39+-0.294.77+-0.25C
NN/A...+0.30+-0.256.16+-0.25-1.67+-0.251.60+-0.256.16+-0.25N
Ca IN/A-3.23......-3.210.063.13Ca I
Ca IIN/A-2.99......-2.970.303.37Ca II
FeN/A-3.29+-0.21......-3.27+-0.21...4.23+-0.21Fe

Position

Right Ascension : 20 21 28.40 Declination : -13 16 33.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2003-08-30 N/A RCKPNO N/A 45 7200 N/A

Y.Ishimaru et al.,ApJ, 600, L47, 2004(ADS)

The Detection of Low Eu Abundances in Extremely Metal-poor Stars and the Origin of r-Process Elements


Stellar Parameters

Teff : 4730 log g : 1.3 vturb : 2.0

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
Fe I141-3.34+-0.18...+4.16+-0.18-3.34+-0.18...+4.16+-0.18Fe I
Fe II17-3.34+-0.18...+4.16+-0.18-3.34+-0.18...+4.16+-0.18Fe II
Sr II2...-0.18+-0.30-0.60+-0.30-3.47+-0.30-0.13+-0.30-0.60+-0.30Sr II
Ba II2...-1.31+-0.19-2.43+-0.19-4.61+-0.19-1.27+-0.19-2.43+-0.19Ba II
Eu II1...<-0.2<-3.0<-3.52<-0.18<-3.0Eu II

Position

Right Ascension : 20 21 28.40 Declination : -13 16 33.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-07 N/A SUBARUHDS 50000 N/A 21600 N/A

J.G.Cohen et al.,ApJ, 778, 56, 2013(ADS)

Normal and Outlying Populations of the Milky Way Stellar Halo at [Fe/H] <-2


Stellar Parameters

Teff : 4730 log g : 1.3 vturb : 2

Position

Right Ascension : 20 21 28.40 Declination : -13 16 33.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-09 N/A KECKHIRES 36000 125 3600 106.7

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 : 4380+-32 log g : 0.5+-0.12 vturb : 1.8+-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......<-0.05<-3.31<0.81<-0.05Li I
CH1...0.13+-0.254.92-3.510.61+-0.254.92CH
NH1...0.65+-0.364.84-2.991.13+-0.364.84NH
O I3...<2.39<6.96<-1.73<2.39<6.96O I
Mg I8...0.58+-0.164.06-3.540.58+-0.164.06Mg I
Al I1...-0.63+-0.291.70-4.75-0.63+-0.291.70Al I
Si I2...1.08+-0.224.47-3.041.08+-0.224.47Si I
K I2...0.58+-0.191.50-3.530.59+-0.191.50K I
Ca I12...0.49+-0.172.71-3.630.49+-0.172.71Ca I
Sc II6...-0.11+-0.15-0.60-3.750.37+-0.15-0.60Sc II
Ti I6...-0.01+-0.150.82-4.13-0.01+-0.150.82Ti I
Ti II23...-0.08+-0.151.23-3.720.40+-0.151.23Ti II
Cr I5...-0.33+-0.151.19-4.45-0.33+-0.151.19Cr I
Mn I3...-0.71+-0.190.60-4.83-0.71+-0.190.60Mn I
Fe I72-4.12+-0.14...3.38-4.12+-0.14...3.38Fe I
Fe II8-3.64+-0.16...3.86-3.64+-0.16...3.86Fe II
Co I5...0.02+-0.200.89-4.100.02+-0.200.89Co I
Ni I2...0.08+-0.182.18-4.040.08+-0.182.18Ni I
Zn I2...<0.89<1.33<-3.23<0.89<1.33Zn I
Sr II2...-0.38+-0.25-1.15-4.020.10+-0.25-1.15Sr II
Y II3...-0.87+-0.19-2.30-4.51-0.39+-0.19-2.30Y II
Zr II1...-0.33+-0.17-1.39-3.970.15+-0.17-1.39Zr II
Nb II1...<1.99<-0.19<-1.65<2.47<-0.19Nb II
Mo I1...<1.09<-1.15<-3.03<1.09<-1.15Mo I
Tc I1......<-0.97<-0.97<3.15<-0.97Tc I
Sn I1...<2.50<0.45<-1.62<2.50<0.45Sn I
Ba II1...-1.49+-0.15-2.95-5.13-1.01+-0.15-2.95Ba II
Ce II5...<-0.13<-2.19<-3.77<0.35<-2.19Ce II
Pr II4...<0.46<-2.46<-3.18<0.94<-2.46Pr II
Nd II4...<0.36<-1.86<-3.28<0.84<-1.86Nd II
Sm II2...<0.50<-2.18<-3.14<0.98<-2.18Sm II
Eu II4...<-0.25<-3.37<-3.89<0.23<-3.37Eu II
Gd II3...<0.88<-1.69<-2.76<1.36<-1.69Gd II
Tb II3...<1.00<-2.34<-2.66<1.46<-2.34Tb II
Dy II2...<0.48<-2.06<-3.16<0.96<-2.06Dy II
Ho II1...<0.51<-2.65<-3.12<1.00<-2.65Ho II
Er II2...<0.44<-2.28<-3.20<0.92<-2.28Er II
Tm II2...<0.99<-2.55<-2.67<1.45<-2.55Tm II
Yb II1...<-0.66<-3.38<-4.30<-0.18<-3.38Yb II
Hf II1...<1.26<-1.53<-2.24<1.88<-1.53Hf II
Pb I1...<1.98<-0.10<-2.14<1.98<-0.10Pb I
Th II2...<1.21<-2.37<-2.43<1.69<-2.37Th II

Binary Parameters

Binarity Negative
Vrad 108.8

Position

Right Ascension : 20 21 28.40 Declination : -13 16 33.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2006-08-06-03:44 2453953.661 MIKELCO 41000 55-120 4800 108.8

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...-0.27...-3.58-0.182.66Na
MgN/A...0.38...-3.040.364.56Mg
CaN/A...0.45...-2.930.473.41Ca
TiN/A...0.26...-3.070.331.88Ti
FeN/A-3.4......-3.40...4.10Fe
NiN/A...0.26...-3.110.293.11Ni
YN/A...-0.54...-3.91-0.51-1.70Y
BaN/A...-1.34...-4.79-1.39-2.61Ba

Position

Right Ascension : 20 21 28.40 Declination : -13 16 33.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log