CS22948-093

taken from 11 paper(s):

/P.Bonifacio et al.(2007)/ /S.M.Andrievsky et al.(2007)/ /S.M.Andrievsky et al.(2008)/ /W.Aoki et al.(2009)/ /P.Bonifacio et al.(2009)/ /S.M.Andrievsky et al.(2009)/ /S.M.Andrievsky et al.(2010)/ /I.U.Roederer et al.(2010)/ /L.Sbordone et al.(2010)/ /M.Spite et al.(2012)/ /I.U.Roederer et al.(2014)/

P.Bonifacio et al.,AAP, 462, 851, 2007(ADS)

First stars VII - Lithium in extremely metal poor dwarfs


Stellar Parameters

Teff : 6356 log g : 4.25 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......1.94+-0.09-1.32+-0.091.97+-0.091.94+-0.09Li I
Fe IN/A-3.30......-3.29...4.21Fe I

Position

Right Ascension : 21 50 31.52 Declination : -41 07 49.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-10-15 2451832.036794 VLT 43000 181 5400 365.4
2000-10-15 2451832.0368634 VLT 43000 181 5400 365.7
2000-10-16 2451833.0002956 VLT 43000 181 5400 365.3
2000-10-16 2451833.0003079 VLT 43000 181 5400 365.2
2000-10-17 2451834.0370215 VLT 43000 181 5400 364.9
2000-10-18 2451835.0081639 VLT 43000 181 3600 365.3
2000-10-18 2451835.0081692 VLT 43000 181 3600 363.8
2001-11-05 2452218.0529644 VLT 43000 181 3600 362.1
2001-11-05 2452218.0545248 VLT 43000 181 3600 362.1
2001-11-05 2452218.096448 VLT 43000 181 3600 362.0
2001-11-05 2452218.0979982 VLT 43000 181 3600 365.7

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 : 6360 log g : 4.3 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-3.81-0.512.44-3.80-0.372.44Na
FeN/A-3.43......-3.43...4.07Fe

Position

Right Ascension : 21 50 31.52 Declination : -41 07 49.3 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 : 6360 log g : 4.3 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-3.47-0.043.00-3.45-0.023.00Al
FeN/A-3.43......-3.43...4.07Fe

Position

Right Ascension : 21 50 31.52 Declination : -41 07 49.3 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

W.Aoki et al.,ApJ, 698, 1803, 2009(ADS)

LITHIUM ABUNDANCES OF EXTREMELY METAL-POOR TURNOFF STARS


Stellar Parameters

Teff : 6380+-150 log g : 4.4 vturb : 1.5

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......1.96+-0.17-1.30+-0.172.18+-0.171.96+-0.17Li I
Na IN/A...-0.22...-3.72-0.242.52Na I
Mg IN/A...0.13...-3.370.114.23Mg I
Fe IN/A-3.43......-3.48...4.02Fe I
Sr IIN/A...0.13...-3.250.23-0.38Sr II

Binary Parameters

Vrad 369.24+-0.30

Position

Right Ascension : 21 50 31.52 Declination : -41 07 49.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2005-06-19 2453541.06 SUBARUHDS 60000 N/A 10440 369.24+-0.30

P.Bonifacio et al.,AAP, 501, 519, 2009(ADS)

First stars XII. Abundances in extremely metal-poor turnoff stars, and comparison with the giants


Stellar Parameters

Teff : 6356 log g : 4.25 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
Mg I6...0.05+-0.05...-3.27+-0.050.02+-0.054.33+-0.05Mg I
Si I1...-0.13...-3.39-0.104.12Si I
Ca I4...0.30+-0.12...-2.98+-0.120.31+-0.123.36+-0.12Ca I
Sc II1...0.35...-2.930.360.22Sc II
Ti15...0.49+-0.11...-2.74+-0.110.55+-0.112.21+-0.11Ti
Cr I3...-0.21+-0.08...-3.48+-0.08-0.19+-0.082.16+-0.08Cr I
Mn I2...-0.69+-0.00...-4.03+-0.00-0.74+-0.001.40+-0.00Mn I
FeN/A-3.30......-3.29...4.21Fe
Co I1...0.50...-2.870.422.12Co I
Ni I2...-0.01+-0.04...-3.28+-0.040.01+-0.042.94+-0.04Ni I
Zn IN/A...<0.82...<-2.44<0.85<2.12Zn I
Sr II1...-0.16...-3.36-0.07-0.49Sr II
Ba II1...-0.23...-3.58-0.29-1.40Ba II

Position

Right Ascension : 21 50 31.52 Declination : -41 07 49.3 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, 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 : 6360 log g : 4.3 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-3.30......-3.30...4.20Fe
Ba1......-0.90-3.080.22-0.90Ba

Position

Right Ascension : 21 50 31.52 Declination : -41 07 49.3 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 : 6360 log g : 4.3 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......4.33-3.270.164.33Mg
FeN/A-3.43......-3.43...4.07Fe

Position

Right Ascension : 21 50 31.52 Declination : -41 07 49.3 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

I.U.Roederer et al.,ApJ, 711, 573, 2010(ADS)

HARACTERIZING THE CHEMISTRY OF THE MILKY WAY STELLAR HALO: DETAILED CHEMICAL ANALYSIS OF A METAL-POOR STELLAR STREAM


Stellar Parameters

Teff : 6480 log g : 4.00 vturb : 1.15

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......<2.35<-0.91<2.45<2.35Li I
CHN/A...<1.72<6.90<-1.53<1.83<6.90CH
CNN/A...<4.16<8.60<0.77<4.13<8.60CN
O IN/A...<1.68<7.23<-1.46<1.90<7.23O I
Na IN/A...<-0.68<2.27<-3.97<-0.61<2.27Na I
Mg I3...0.24+-0.154.44+-0.15-3.16+-0.150.20+-0.154.44+-0.15Mg I
Al I2...-0.69+-0.152.40+-0.15-4.05+-0.15-0.69+-0.152.40+-0.15Al I
Si I1...-0.02+-0.254.15+-0.25-3.36+-0.250.00+-0.254.15+-0.25Si I
Ca I3...0.45+-0.103.43+-0.10-2.91+-0.100.45+-0.103.43+-0.10Ca I
Sc II4...0.46+-0.100.18+-0.10-2.97+-0.100.39+-0.100.18+-0.10Sc II
Ti II7...0.42+-0.102.03+-0.10-2.92+-0.100.44+-0.102.03+-0.10Ti II
V IIN/A...<1.25<1.87<-2.06<1.30<1.87V II
Cr I2...-0.22+-0.152.07+-0.15-3.57+-0.15-0.21+-0.152.07+-0.15Cr I
Mn I1...-0.10+-0.301.91+-0.30-3.52+-0.30-0.16+-0.301.91+-0.30Mn I
Fe I37...0.00+-0.114.14+-0.11-3.36+-0.110.00+-0.114.14+-0.11Fe I
Fe II1...-0.02+-0.254.12+-0.25-3.38+-0.25-0.02+-0.254.12+-0.25Fe II
Ni I3...0.03+-0.222.90+-0.22-3.32+-0.220.04+-0.222.90+-0.22Ni I
Zn IN/A...<1.13<2.35<-2.21<1.15<2.35Zn I
Sr II2...0.08+-0.15-0.40+-0.15-3.27+-0.150.09+-0.15-0.40+-0.15Sr II
Y IIN/A...<0.50<-0.64<-2.85<0.51<-0.64Y II
Zr IIN/A...<1.15<0.37<-2.21<1.15<0.37Zr II
Nb IIN/A...<3.57<1.61<0.15<3.51<1.61Nb II
Mo IN/A...<2.86<1.40<-0.48<2.88<1.40Mo I
Tc IN/A...<5.21<1.83<1.83<5.19<1.83Tc I
Ba II2...0.37+-0.15-0.88+-0.15-3.06+-0.150.30+-0.15-0.88+-0.15Ba II
Ce IIN/A...<2.26<0.43<-1.15<2.21<0.43Ce II
Pr IIN/A...<2.69<0.02<-0.70<2.66<0.02Pr II
Nd IIN/A...<1.94<0.06<-1.36<2.00<0.06Nd II
Sm IIN/A...<2.57<0.19<-0.77<2.59<0.19Sm II
Eu IIN/A...<1.91<-0.96<-1.48<1.88<-0.96Eu II
Gd IIN/A...<2.72<0.46<-0.61<2.75<0.46Gd II
Tb IIN/A...<2.99<-0.06<-0.38<2.98<-0.06Tb II
Dy IIN/A...<2.79<0.51<-0.59<2.77<0.51Dy II
Ho IIN/A...<2.63<-0.25<-0.72<2.64<-0.25Ho II
Er IIN/A...<2.52<0.07<-0.85<2.51<0.07Er II
Hf IIN/A...<3.37<0.87<0.16<3.52<0.87Hf II
Pb IN/A...<3.38<1.85<-0.19<3.17<1.85Pb I
Th IIN/A...<3.39<0.13<0.07<3.43<0.13Th II

Binary Parameters

Binarity Positive
Vrad +367.9+-0.8

Position

Right Ascension : 21 50 31.52 Declination : -41 07 49.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2006-08-03-04:07 2453950.677 MIKELCO 33000 85 1400 +367.9+-0.8
2009-10-26-02:42 2455130.614 MIKELCO 33000 85 900 +360.4+-0.8

L.Sbordone et al.,AAP, 522, A26, 2010(ADS)

The metal-poor end of the Spite plateau. I. Stellar parameters, metallicities, and lithium abundances


Stellar Parameters

Teff : 6365 log g : 4.25 vturb : 1.3

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
LiN/A......1.935-1.321.991.935Li
Fe IN/A......4.19+-0.133-3.31+-0.133...4.19+-0.133Fe I
Fe IIN/A......4.20+-0.144-3.30+-0.144...4.20+-0.144Fe II

Position

Right Ascension : 21 50 31.52 Declination : -41 07 49.3 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 40000 N/A 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 : 6360 log g : 4.3 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-2.870.56...-2.850.583.49Ca
FeN/A-3.43......-3.43...4.07Fe

Position

Right Ascension : 21 50 31.52 Declination : -41 07 49.3 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 : 6540+-51 log g : 3.85+-0.15 vturb : 1.15+-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......2.04-1.222.102.04Li I
CH1...<1.74<6.75<-1.68<1.64<6.75CH
NH1...<2.79<7.20<-0.63<2.69<7.20NH
O I2...<0.41<5.78<-2.91<0.41<5.78O I
Na I2...<-0.70<2.22<-4.02<-0.70<2.22Na I
Mg I3...0.27+-0.244.55-3.050.27+-0.244.55Mg I
Al I2...-0.80+-0.232.33-4.12-0.80+-0.232.33Al I
Si I1...0.08+-0.264.27-3.240.08+-0.264.27Si I
Ca I3...0.47+-0.243.48-2.860.46+-0.243.48Ca I
Sc II3...0.29+-0.170.02-3.130.19+-0.170.02Sc II
Ti II9...0.38+-0.151.91-3.040.28+-0.151.91Ti II
V II2...<1.41<1.92<-2.01<1.31<1.92V II
Cr I2...-0.24+-0.212.08-3.56-0.24+-0.212.08Cr I
Mn I1...-0.36+-0.261.75-3.68-0.36+-0.261.75Mn I
Mn II1...-0.19+-0.251.82-3.61-0.29+-0.251.82Mn II
Fe I33-3.32+-0.21...4.18-3.32+-0.21...4.18Fe I
Fe II1-3.42+-0.18...4.08-3.42+-0.18...4.08Fe II
Ni I2...0.29+-0.303.19-3.030.29+-0.303.19Ni I
Zn I2...<1.21<2.45<-2.11<1.21<2.45Zn I
Sr II2...0.05+-0.13-0.50-3.37-0.05+-0.13-0.50Sr II
Y II2...<0.49<-0.72<-2.93<0.39<-0.72Y II
Zr II2...<1.22<0.38<-2.20<1.12<0.38Zr II
Nb II1...<3.69<1.73<0.27<3.59<1.73Nb II
Mo I1...<2.96<1.52<-0.36<2.96<1.52Mo I
Tc I1......<1.96<1.96<5.28<1.96Tc I
Ba II1...0.34+-0.14-0.90-3.080.24+-0.14-0.90Ba II
Ce II4...<2.28<0.44<-1.14<2.18<0.44Ce II
Pr II4...<2.69<-0.01<-0.73<2.59<-0.01Pr II
Nd II4...<2.24<0.24<-1.18<2.14<0.24Nd II
Sm II1...<2.76<0.30<-0.66<2.66<0.30Sm II
Eu II3...<1.97<-0.93<-1.45<1.87<-0.93Eu II
Gd II2...<2.88<0.53<-0.54<2.78<0.53Gd II
Tb II2...<3.12<0.00<-0.32<3.00<0.00Tb II
Dy II2...<2.94<0.62<-0.48<2.84<0.62Dy II
Ho II1...<2.75<-0.19<-0.66<2.66<-0.19Ho II
Er II2...<2.63<0.13<-0.79<2.53<0.13Er II
Hf II1...<3.49<0.92<0.21<3.53<0.92Hf II
Pb I1...<3.24<1.96<-0.08<3.24<1.96Pb I
Th II2...<3.55<0.19<0.13<3.45<0.19Th II

Binary Parameters

Binarity Positive
Vrad 366

Position

Right Ascension : 21 50 31.52 Declination : -41 07 49.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2006-08-03-04:07 2453950.677 MIKELCO 41000 75-110 1400 367.9
2006-08-04-03:10 2453951.637 MIKELCO 41000 75-110 6000 368
2006-08-06-04:41 2453953.7 MIKELCO 41000 75-110 2000 366
2009-10-26-02:42 2455130.614 MIKELCO 41000 75-110 900 360.4