CS22896-154

taken from 13 paper(s):

/R.Cayrel et al.(2004)/ /M.Spite et al.(2005)/ /A.McWilliam et al.(1995)/ /A.McWilliam et al.(1995)/ /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)/ /K.A.Venn et al.(2004)/


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 : 5250 log g : 2.7 vturb : 1.2

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
CHN/A-2.420.276.10-2.330.356.10CH
[O I]N/A-1.750.947.02-1.671.017.02[O I]
Na I2-2.570.123.76-2.480.203.76Na I
Mg I7-2.61+-0.120.08+-0.124.97+-0.12-2.63+-0.120.05+-0.124.97+-0.12Mg I
Al I2-3.45-0.763.02-3.43-0.753.02Al I
Si I1-2.150.545.40-2.110.575.40Si I
K I2-2.240.452.88-2.150.532.88K I
Ca I16-2.33+-0.140.36+-0.144.03+-0.14-2.31+-0.140.37+-0.144.03+-0.14Ca I
Sc II6-2.56+-0.080.13+-0.080.61+-0.08-2.54+-0.080.14+-0.080.61+-0.08Sc II
Ti I13-2.42+-0.060.27+-0.062.60+-0.06-2.35+-0.060.33+-0.062.60+-0.06Ti I
Ti II24-2.36+-0.120.33+-0.122.66+-0.12-2.29+-0.120.39+-0.122.66+-0.12Ti II
Cr I7-2.92+-0.12-0.23+-0.122.75+-0.12-2.89+-0.12-0.21+-0.122.75+-0.12Cr I
Mn I3-3.27+-0.13-0.59+-0.132.12+-0.13-3.31+-0.13-0.63+-0.132.12+-0.13Mn I
Fe I141-2.68+-0.190.01+-0.194.82+-0.19-2.68+-0.190.01+-0.194.82+-0.19Fe I
Fe II16-2.69+-0.140.00+-0.144.81+-0.14-2.69+-0.140.00+-0.144.81+-0.14Fe II
Co I3-2.31+-0.040.38+-0.042.61+-0.04-2.38+-0.040.30+-0.042.61+-0.04Co I
Ni I3-2.74+-0.09-0.05+-0.093.51+-0.09-2.71+-0.09-0.03+-0.093.51+-0.09Ni I
Zn I1-2.430.262.17-2.390.292.17Zn I

Binary Parameters

Binarity Unknown

Position

Right Ascension : 19 42 26.89 Declination : -56 58 34.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-10 N/A VLT 47000 110 12600 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 : 5250 log g : 2.7 vturb : 1.2

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
Li IN/A......1.15+-0.04-2.11+-0.040.58+-0.041.15+-0.04Li I
CN/A-2.46+-0.05......-2.37+-0.050.32+-0.056.06+-0.05C
NN/A-2.92......-2.83-0.145.00N
[O I]N/A-1.75......-1.611.087.08[O I]
FeN/A-2.69......-2.69...4.81Fe

Position

Right Ascension : 19 42 26.89 Declination : -56 58 34.0 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

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 42 26.89 Declination : -56 58 34.0 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 : 5140 log g : 2.55+-0.26 vturb : 1.76+-0.10

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...0.17...-2.430.136.00C
NaN/A...0.14...-2.500.063.74Na
MgN/A...0.50...-2.250.315.35Mg
CaN/A...0.51...-2.200.364.14Ca
Fe IN/A-2.73......-2.56...4.94Fe I
Fe IIN/A-2.72......-2.55...4.95Fe II
NiN/A...-0.04...-2.74-0.183.48Ni
SrN/A...0.65...-2.050.510.82Sr
BaN/A...0.52...-2.260.30-0.08Ba
EuN/A...0.97...-1.770.79-1.25Eu

Position

Right Ascension : 19 42 26.89 Declination : -56 58 34.0 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

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 : 5250 log g : 2.7 vturb : 1.2

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
CN/A-2.46+-0.05......-2.37+-0.050.32+-0.056.06+-0.05C
NN/A-2.92+-0.12......-2.83+-0.12-0.14+-0.125.00+-0.12N
FeN/A-2.69......-2.69...4.81Fe

Isotopic Ratio

12C/13C >40

Position

Right Ascension : 19 42 26.89 Declination : -56 58 34.0 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 : 5250 log g : 2.7 vturb : 1.2

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
NaN/A-2.78-0.093.47-2.77-0.083.47Na
FeN/A-2.69......-2.69...4.81Fe

Position

Right Ascension : 19 42 26.89 Declination : -56 58 34.0 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 : 5250 log g : 2.7 vturb : 1.2

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
AlN/A-2.630.063.84-2.610.083.84Al
FeN/A-2.69......-2.69...4.81Fe

Position

Right Ascension : 19 42 26.89 Declination : -56 58 34.0 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 : 5250 log g : 2.7 vturb : 1.2

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
FeN/A-2.69......-2.69...4.81Fe
Ba3......-0.05-2.230.46-0.05Ba

Position

Right Ascension : 19 42 26.89 Declination : -56 58 34.0 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 : 5250 log g : 2.7 vturb : 1.2

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
MgN/A......5.22-2.380.315.22Mg
KN/A......2.88-2.150.542.88K
FeN/A-2.69......-2.69...4.81Fe

Position

Right Ascension : 19 42 26.89 Declination : -56 58 34.0 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 : 5250 log g : 2.7 vturb : 1.2

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
S I2......5.00+-0.08-2.12+-0.080.57+-0.085.00+-0.08S I
FeN/A-2.69......-2.69...4.81Fe

Position

Right Ascension : 19 42 26.89 Declination : -56 58 34.0 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 : 5250 log g : 2.7 vturb : 1.2

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
FeN/A-2.69......-2.69...4.81Fe
Sr2...+0.54...-2.100.590.77Sr
Y2...+0.15...-2.510.18-0.30Y
Zr4...+0.77...-1.900.790.68Zr
Ba3...+0.51...-2.230.46-0.05Ba
La1...+0.42...-2.200.49-1.10La
Ce2...+0.71...-1.980.71-0.40Ce
Pr1...+0.73...-1.970.72-1.25Pr
Nd2...+0.67...-1.940.75-0.52Nd
Sm1...+0.78...-1.860.83-0.90Sm
Eu1...+0.86...-1.840.85-1.32Eu
Gd1...+0.87...-1.770.92-0.70Gd
Dy2...+0.97...-1.681.01-0.58Dy
Ho1...+0.88...-2.020.67-1.55Ho
Er2...+1.01...-1.671.02-0.75Er

Position

Right Ascension : 19 42 26.89 Declination : -56 58 34.0 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 : 5250 log g : 2.7 vturb : 1.2

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
CaN/A-2.230.46...-2.210.484.13Ca
FeN/A-2.69......-2.69...4.81Fe

Position

Right Ascension : 19 42 26.89 Declination : -56 58 34.0 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

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...0.14...-2.500.233.74Na
MgN/A...0.5...-2.250.485.35Mg
CaN/A...0.51...-2.200.534.14Ca
TiN/A...0.46...-2.200.532.75Ti
FeN/A-2.73......-2.73...4.77Fe
NiN/A...-0.04...-2.74-0.013.48Ni
YN/A...-0.08...-2.78-0.05-0.57Y
BaN/A...0.21...-2.570.16-0.39Ba
EuN/A...0.97...-1.770.96-1.25Eu

Position

Right Ascension : 19 42 26.89 Declination : -56 58 34.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log