CS22956-050

taken from 11 paper(s):

/R.Cayrel et al.(2004)/ /M.Spite et al.(2005)/ /M.Spite et al.(2006)/ /S.M.Andrievsky et al.(2007)/ /S.M.Andrievsky et al.(2008)/ /S.M.Andrievsky et al.(2009)/ /S.M.Andrievsky et al.(2010)/ /M.Spite et al.(2011)/ /P.Francois et al.(2007)/ /M.Spite et al.(2012)/ /I.U.Roederer et al.(2014)/


R.Cayrel et al.,AAP, 416, 1117, 2004(ADS)

First stars V - Abundance patterns from C to Zn and supernova yields in the early Galaxy


Stellar Parameters

Teff : 4900 log g : 1.7 vturb : 1.8

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
CHN/A-3.050.285.46-2.970.355.46CH
Mg I8-2.96+-0.110.37+-0.114.62+-0.11-2.98+-0.110.34+-0.114.62+-0.11Mg I
Al I2-3.98-0.652.49-3.96-0.642.49Al I
Si I1-2.550.785.00-2.510.815.00Si I
K I1-3.040.292.08-2.950.372.08K I
Ca I17-2.87+-0.130.46+-0.133.49+-0.13-2.85+-0.130.47+-0.133.49+-0.13Ca I
Sc II7-3.37+-0.07-0.04+-0.07-0.20+-0.07-3.35+-0.07-0.03+-0.07-0.20+-0.07Sc II
Ti I13-2.98+-0.040.35+-0.042.04+-0.04-2.91+-0.040.41+-0.042.04+-0.04Ti I
Ti II30-3.04+-0.120.29+-0.121.98+-0.12-2.97+-0.120.35+-0.121.98+-0.12Ti II
Cr I7-3.67+-0.12-0.34+-0.122.00+-0.12-3.64+-0.12-0.32+-0.122.00+-0.12Cr I
Mn I3-3.84+-0.05-0.51+-0.051.55+-0.05-3.88+-0.05-0.56+-0.051.55+-0.05Mn I
Fe I145-3.32+-0.130.01+-0.134.18+-0.13-3.32+-0.130.01+-0.134.18+-0.13Fe I
Fe II17-3.34+-0.10-0.01+-0.104.16+-0.10-3.34+-0.10-0.01+-0.104.16+-0.10Fe II
Co I4-2.94+-0.100.39+-0.101.98+-0.10-3.01+-0.100.31+-0.101.98+-0.10Co I
Ni I3-3.32+-0.030.01+-0.032.93+-0.03-3.29+-0.030.03+-0.032.93+-0.03Ni I
Zn I1-3.030.301.57-2.990.331.57Zn I

Binary Parameters

Binarity Unknown

Position

Right Ascension : 21 58 05.81 Declination : -65 13 27.2 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-09 N/A VLT 47000 75 9000 N/A

M.Spite et al.,AAP, 430, 655, 2005(ADS)

First stars VI Abundances of C, N, O, Li, and mixing in extremely metal-poor giants. Galactic evolution of the light elements


Stellar Parameters

Teff : 4900 log g : 1.7 vturb : 1.8

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......0.97+-0.03-2.29+-0.031.04+-0.030.97+-0.03Li I
CN/A-3.06+-0.05......-2.97+-0.050.36+-0.055.46+-0.05C
NN/A-3.02......-2.930.404.90N
[O I]N/A-2.21......-2.071.266.62[O I]
FeN/A-3.33......-3.33...4.17Fe

Position

Right Ascension : 21 58 05.81 Declination : -65 13 27.2 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 VLT 47000 30 N/A N/A

M.Spite et al.,AAP, 455, 291, 2006(ADS)

First stars IX - Mixing in extremely metal-poor giants. Variation of the 12C/13C, [Na/Mg] and [Al/Mg] ratios


Stellar Parameters

Teff : 4900 log g : 1.7 vturb : 1.8

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-3.06+-0.05......-2.97+-0.050.36+-0.055.46+-0.05C
NN/A-3.02+-0.10......-2.93+-0.100.40+-0.104.90+-0.10N
FeN/A-3.33......-3.33...4.17Fe

Position

Right Ascension : 21 58 05.81 Declination : -65 13 27.2 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 VLT 47000 130 N/A N/A

S.M.Andrievsky et al.,AAP, 464, 1081, 2007(ADS)

NLTE determination of the sodium abundance in a homogeneous sample of extremely metal-poor stars


Stellar Parameters

Teff : 4900 log g : 1.7 vturb : 1.8

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-1.95...4.30-1.941.394.30Na
FeN/A-3.33......-3.33...4.17Fe

Position

Right Ascension : 21 58 05.81 Declination : -65 13 27.2 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 VLT 43000 200 N/A N/A

S.M.Andrievsky et al.,AAP, 481, 481, 2008(ADS)

NLTE determination of the aluminium abundance in a homogeneous sample of extremely metal-poor stars


Stellar Parameters

Teff : 4900 log g : 1.7 vturb : 1.8

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
AlN/A-3.320.013.15-3.300.033.15Al
FeN/A-3.33......-3.33...4.17Fe

Position

Right Ascension : 21 58 05.81 Declination : -65 13 27.2 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 VLT 47000 120 N/A N/A

S.M.Andrievsky et al.,AAP, 494, 1083, 2009(ADS)

Evolution of the barium abundance in the early Galaxy from a NLTE analysis of the Ba lines in a homogeneous sample of EMP stars


Stellar Parameters

Teff : 4900 log g : 1.7 vturb : 1.8

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
FeN/A-3.33......-3.33...4.17Fe
Ba1......-1.98-4.16-0.83-1.98Ba

Position

Right Ascension : 21 58 05.81 Declination : -65 13 27.2 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 VLT 45000 130 N/A N/A

S.M.Andrievsky et al.,AAP, 509, A88, 2010(ADS)

Non-LTE abundances of Mg and K in extremely metal-poor stars and the evolution of [O/Mg], [Na/Mg], [Al/Mg], and [K/Mg] in the Milky Way


Stellar Parameters

Teff : 4900 log g : 1.7 vturb : 1.8

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
MgN/A......4.59-3.010.324.59Mg
KN/A......2.20-2.830.502.20K
FeN/A-3.33......-3.33...4.17Fe

Position

Right Ascension : 21 58 05.81 Declination : -65 13 27.2 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 VLT 45000 120 N/A N/A

M.Spite et al.,AAP, 528, A9, 2011(ADS)

First stars. XIV. Sulfur abundances in extremely metal-poor stars


Stellar Parameters

Teff : 4900 log g : 1.7 vturb : 1.8

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
S I1......4.45+-0.20-2.67+-0.200.66+-0.204.45+-0.20S I
FeN/A-3.33......-3.33...4.17Fe

Position

Right Ascension : 21 58 05.81 Declination : -65 13 27.2 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 VLT 43000 180 N/A N/A

P.Francois et al.,AAP, 476, 935, 2007(ADS)

First stars. VIII. Enrichment of the neutron-capture elements in the early Galaxy


Stellar Parameters

Teff : 4900 log g : 1.7 vturb : 1.8

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
FeN/A-3.33......-3.33...4.17Fe
Sr2...-0.42...-3.70-0.37-0.83Sr
Y5...-0.49...-3.79-0.46-1.58Y
Zr2...-0.11...-3.42-0.09-0.84Zr
Ba3...-0.78...-4.16-0.83-1.98Ba
LaN/A...<-0.24...<-3.50<-0.17<-2.40La
CeN/A...<+0.25...<-3.08<0.25<-1.50Ce
PrN/A...<+0.37...<-2.97<0.36<-2.25Pr
NdN/A...<-0.17...<-3.42<-0.09<-2.00Nd
SmN/A...<+0.03...<-3.25<0.08<-2.29Sm
EuN/A...<+0.02...<-3.32<0.01<-2.80Eu
GdN/A...<+0.21...<-3.07<0.26<-2.00Gd
DyN/A...<-0.31...<-3.60<-0.27<-2.50Dy
HoN/A...<+0.87...<-2.67<0.66<-2.20Ho
ErN/A...<+0.20...<-3.12<0.21<-2.20Er

Position

Right Ascension : 21 58 05.81 Declination : -65 13 27.2 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 VLT 47000 >50 N/A N/A

M.Spite et al.,AAP, 541, A143, 2012(ADS)

NLTE determination of the calcium abundance and 3D corrections in extremely metal-poor stars


Stellar Parameters

Teff : 4900 log g : 1.7 vturb : 1.8

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
CaN/A-2.670.66...-2.650.683.69Ca
FeN/A-3.33......-3.33...4.17Fe

Position

Right Ascension : 21 58 05.81 Declination : -65 13 27.2 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 VLT 45000 150 N/A N/A

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 : 4640+-36 log g : 1+-0.14 vturb : 1.75+-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......0.81-2.451.220.81Li I
CH1...0.16+-0.255.02-3.410.26+-0.255.02CH
NH1...<1.24<5.50<-2.33<1.34<5.50NH
O I4...<1.32<6.34<-2.35<1.32<6.34O I
Mg I9...0.66+-0.164.60-3.000.67+-0.164.60Mg I
Al I1...-0.58+-0.292.20-4.25-0.58+-0.292.20Al I
Si I1...1.15+-0.284.99-2.521.15+-0.284.99Si I
Ca I14...0.63+-0.173.30-3.040.63+-0.173.30Ca I
Sc II4...-0.19+-0.15-0.60-3.75-0.08+-0.15-0.60Sc II
Ti I12...0.31+-0.151.59-3.360.31+-0.151.59Ti I
Ti II29...0.28+-0.151.66-3.290.38+-0.151.66Ti II
V II2...0.01+-0.260.38-3.550.12+-0.260.38V II
Cr I6...-0.18+-0.151.79-3.85-0.18+-0.151.79Cr I
Mn I3...-0.64+-0.171.12-4.31-0.64+-0.171.12Mn I
Mn II2...-0.78+-0.211.09-4.34-0.67+-0.211.09Mn II
Fe I109-3.67+-0.15...3.83-3.67+-0.15...3.83Fe I
Fe II8-3.57+-0.16...3.93-3.57+-0.16...3.93Fe II
Co I5...0.13+-0.191.46-3.530.14+-0.191.46Co I
Ni I8...-0.01+-0.222.54-3.68-0.01+-0.222.54Ni I
Zn I2...0.59+-0.171.48-3.080.59+-0.171.48Zn I
Rb I1...<2.75<1.60<-0.76<2.91<1.60Rb I
Sr II2...-0.54+-0.25-1.24-4.11-0.44+-0.25-1.24Sr II
Y II1...-0.95+-0.19-2.31-4.52-0.85+-0.19-2.31Y II
Zr II2...-0.25+-0.20-1.23-3.81-0.14+-0.20-1.23Zr II
Nb II1...<2.13<0.02<-1.44<2.23<0.02Nb II
Mo I1...<1.37<-0.42<-2.30<1.37<-0.42Mo I
Tc I1......<-0.23<-0.23<3.44<-0.23Tc I
Sn I1...<2.65<1.05<-1.02<2.65<1.05Sn I
Ba II2...-1.00+-0.15-2.39-4.57-0.90+-0.15-2.39Ba II
Pr II1...<0.53<-2.32<-3.04<0.63<-2.32Pr II
Nd II1...<0.60<-1.55<-2.97<0.70<-1.55Nd II
Eu II1...<-0.19<-3.24<-3.76<-0.09<-3.24Eu II
Gd II2...<1.10<-1.40<-2.47<1.20<-1.40Gd II
Tb II3...<1.31<-1.96<-2.28<1.39<-1.96Tb II
Dy II2...<0.56<-1.91<-3.01<0.66<-1.91Dy II
Er II2...<0.77<-1.88<-2.80<0.87<-1.88Er II
Tm II1...<2.21<-1.26<-1.38<2.29<-1.26Tm II
Yb II1...<-0.27<-2.92<-3.84<-0.17<-2.92Yb II
Hf II2...<1.59<-1.13<-1.84<1.83<-1.13Hf II
Ir I1...<1.77<-0.52<-1.90<1.77<-0.52Ir I
Pb I1...<2.03<0.40<-1.64<2.03<0.40Pb I
Th II2...<1.30<-2.21<-2.27<1.40<-2.21Th II

Binary Parameters

Binarity Negative
Vrad 0.2

Position

Right Ascension : 21 58 05.81 Declination : -65 13 27.2 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2007-08-21-03:27 2454333.647 MIKELCO 41000 60-155 3700 0.1
2009-09-05-01:17 2455079.556 MIKELCO 41000 60-155 1900 0.4