CS29498-043

taken from 6 paper(s):

/W.Aoki et al.(2002)/ /W.Aoki et al.(2004)/ /W.Aoki et al.(2002)/ /I.U.Roederer et al.(2014)/ /I.U.Roederer et al.(2014)/ /A.Arentsen et al.(2019)/

W.Aoki et al.,ApJ, 576, L141, 2002(ADS)

CHEMICAL COMPOSITION OF THE CARBON-RICH, EXTREMELY METAL POOR STAR CS 29498-043: A NEW CLASS OF EXTREMELY METAL POOR STARS WITH EXCESSES OF MAGNESIUM AND SILICON


Stellar Parameters

Teff : 4400 log g : 0.6 vturb : 2.3

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
C2N/A...+1.90+-0.296.70+-0.29-1.73+-0.292.02+-0.296.70+-0.29C2
NN/A...+2.28+-0.406.50+-0.40-1.33+-0.402.42+-0.406.50+-0.40N
Mg I5...+1.81+-0.245.64+-0.24-1.96+-0.241.79+-0.245.64+-0.24Mg I
Al I1...+0.34+-0.363.08+-0.36-3.37+-0.360.38+-0.363.08+-0.36Al I
Si I1...+1.07+-0.174.88+-0.17-2.63+-0.171.12+-0.174.88+-0.17Si I
Ca I1...+0.11+-0.192.71+-0.19-3.63+-0.190.12+-0.192.71+-0.19Ca I
Sc II2...+0.13+-0.34-0.52+-0.34-3.67+-0.340.08+-0.34-0.52+-0.34Sc II
Ti I3...+0.12+-0.101.31+-0.10-3.64+-0.100.11+-0.101.31+-0.10Ti I
Ti II8...+0.32+-0.301.51+-0.30-3.44+-0.300.31+-0.301.51+-0.30Ti II
Cr I2...-0.32+-0.101.62+-0.10-4.02+-0.10-0.27+-0.101.62+-0.10Cr I
Mn I1...-0.68+-0.371.1+-0.37-4.33+-0.37-0.58+-0.371.1+-0.37Mn I
Fe I30-3.75+-0.26...3.75+-0.26-3.75+-0.26...3.75+-0.26Fe I
Fe II4-3.75+-0.33...3.75+-0.33-3.75+-0.33...3.75+-0.33Fe II
Sr II1...-0.35+-0.35-1.18+-0.35-4.05+-0.35-0.30+-0.35-1.18+-0.35Sr II
Ba II2...-0.45+-0.20-1.98+-0.20-4.16+-0.20-0.41+-0.20-1.98+-0.20Ba II

Binary Parameters

Binarity Negative
Vrad -32.6+-0.29

Position

Right Ascension : 21 03 52.11 Declination : -29 42 50.2 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-07-26 2452117 SUBARUHDS 50000 N/A 7200 -32.6+-0.29

W.Aoki et al.,ApJ, 608, 971, 2004(ADS)

Oxygen Overabundance in the Extremely Iron-poor Star CS 29498-043


Stellar Parameters

Teff : 4600 log g : 1.2 vturb : 2.4

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
Csyn...+2.09+-0.297.10+-0.29-1.33+-0.292.21+-0.297.10+-0.29C
Nsyn...+2.27+-0.406.70+-0.40-1.13+-0.402.41+-0.406.70+-0.40N
Osyn...+2.90+-0.348.10+-0.34-0.59+-0.342.95+-0.348.10+-0.34O
Na I2...+1.47+-0.384.25+-0.38-1.99+-0.381.55+-0.384.25+-0.38Na I
Mg I4...+1.75+-0.255.79+-0.25-1.81+-0.251.73+-0.255.79+-0.25Mg I
Al Isyn...+0.27+-0.383.20+-0.38-3.25+-0.380.29+-0.383.20+-0.38Al I
Si I1...+0.82+-0.144.84+-0.14-2.67+-0.140.87+-0.144.84+-0.14Si I
Ca I3...+0.16+-0.162.97+-0.16-3.37+-0.160.17+-0.162.97+-0.16Ca I
Sc II1...-0.03+-0.34-0.47+-0.34-3.62+-0.34-0.08+-0.34-0.47+-0.34Sc II
Ti I3...+0.22+-0.111.62+-0.11-3.33+-0.110.21+-0.111.62+-0.11Ti I
Ti II9...+0.38+-0.321.78+-0.32-3.17+-0.320.37+-0.321.78+-0.32Ti II
Cr I2...-0.38+-0.101.77+-0.10-3.87+-0.10-0.33+-0.101.77+-0.10Cr I
Mn Isyn...-1.09+-0.210.90+-0.21-4.53+-0.21-0.99+-0.210.90+-0.21Mn I
Fe I65-3.54+-0.28...3.96+-0.28-3.54+-0.28...3.96+-0.28Fe I
Fe II6-3.53+-0.34...3.97+-0.34-3.53+-0.34...3.97+-0.34Fe II
Co I4...+0.06+-0.161.43+-0.16-3.56+-0.16-0.02+-0.161.43+-0.16Co I
Ni I5...-0.36+-0.292.35+-0.29-3.87+-0.29-0.33+-0.292.35+-0.29Ni I
Zn I2...<+0.5<1.6<-2.96<0.58<1.6Zn I
Sr II1...-0.47+-0.31-1.09+-0.31-3.96+-0.31-0.42+-0.31-1.09+-0.31Sr II
Ba II4...-0.46+-0.20-1.78+-0.20-3.96+-0.20-0.42+-0.20-1.78+-0.20Ba II

Binary Parameters

Vrad -33.10+-0.45

Position

Right Ascension : 21 03 52.11 Declination : -29 42 50.2 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 2451802 SUBARUHDS 50000 45 270min -32.50+-0.18
2001-07 2452115 SUBARUHDS 50000 87 120min -32.60+-0.46
2002-10 2452573 SUBARUHDS 50000 112 80min -32.74+-0.42
2003-05 2452785 SUBARUHDS 50000 148 90min -32.95+-0.39

W.Aoki et al.,PASJ, 54, 933, 2002(ADS)

Subaru/HDS Study of the Extremely Metal-Poor Star CS 29498-043: Abundance Analysis Details and Comparison with Other Carbon-Rich Objects


Stellar Parameters

Teff : 4400 log g : 0.6 vturb : 2.3

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
CN/A...+1.9+-0.29...-1.73+-0.292.02+-0.296.70+-0.29C
CNN/A...+2.3...-1.312.446.52CN
Mg I5...+1.81+-0.24...-1.96+-0.241.79+-0.245.64+-0.24Mg I
Al I1...+0.34+-0.36...-3.39+-0.360.36+-0.363.06+-0.36Al I
Si I1...+1.07+-0.17...-2.64+-0.171.11+-0.174.87+-0.17Si I
Ca I1...+0.11+-0.19...-3.62+-0.190.13+-0.192.72+-0.19Ca I
Ti I3...+0.12+-0.10...-3.56+-0.100.19+-0.101.39+-0.10Ti I
Ti II8...+0.32+-0.30...-3.36+-0.300.39+-0.301.59+-0.30Ti II
Cr I2...-0.32+-0.10...-4.04+-0.10-0.29+-0.101.60+-0.10Cr I
Mn I1...-0.68+-0.37...-4.47+-0.37-0.72+-0.370.96+-0.37Mn I
Fe I30-3.75+-0.26......-3.75+-0.26...3.75+-0.26Fe I
Fe II4-3.75+-0.33......-3.75+-0.33...3.75+-0.33Fe II
Sr II1...-0.35+-0.35...-4.00+-0.35-0.25+-0.35-1.13+-0.35Sr II
Ba II2...-0.45+-0.20...-4.25+-0.20-0.50+-0.20-2.07+-0.20Ba II

Isotopic Ratio

12C/13C 6+-2

Binary Parameters

Vrad -32.6+-0.29

Position

Right Ascension : 21 03 52.11 Declination : -29 42 50.2 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2452117 SUBARUHDS 50000 N/A N/A -32.6+-0.29

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

Neutron-capture Nucleosynthesis in the First Stars


Stellar Parameters

Teff : 4440+-20 log g : 0.50+-0.13 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......<-0.05<-3.31<0.56<-0.05Li I
CH1...2.72+-0.257.31+-0.25-1.12+-0.252.75+-0.257.31+-0.25CH
NH1...1.71+-0.365.70+-0.36-2.13+-0.361.74+-0.365.70+-0.36NH
O I3...2.37+-0.157.19+-0.15-1.50+-0.152.37+-0.157.19+-0.15O I
Na I4...1.03+-0.233.40+-0.23-2.84+-0.231.03+-0.233.40+-0.23Na I
Mg I5...1.78+-0.185.51+-0.18-2.09+-0.181.78+-0.185.51+-0.18Mg I
Al I1...0.75+-0.253.33+-0.25-3.12+-0.250.75+-0.253.33+-0.25Al I
Si I1...1.08+-0.284.72+-0.28-2.79+-0.281.08+-0.284.72+-0.28Si I
K I2...0.46+-0.191.61+-0.19-3.42+-0.190.45+-0.191.61+-0.19K I
Ca I9...0.54+-0.173.00+-0.17-3.34+-0.170.53+-0.173.00+-0.17Ca I
Sc II3...-0.07+-0.17-0.77+-0.17-3.92+-0.17-0.05+-0.17-0.77+-0.17Sc II
Ti I9...0.10+-0.151.18+-0.15-3.77+-0.150.10+-0.151.18+-0.15Ti I
Ti II13...0.27+-0.151.38+-0.15-3.57+-0.150.30+-0.151.38+-0.15Ti II
Cr I4...-0.29+-0.151.48+-0.15-4.16+-0.15-0.29+-0.151.48+-0.15Cr I
Mn I1...-0.45+-0.171.11+-0.17-4.32+-0.17-0.45+-0.171.11+-0.17Mn I
Fe I74-3.87+-0.15...3.63+-0.15-3.87+-0.15...3.63+-0.15Fe I
Fe II6-3.85+-0.16...3.65+-0.16-3.85+-0.16...3.65+-0.16Fe II
Co I2...-0.26+-0.180.86+-0.18-4.13+-0.18-0.26+-0.180.86+-0.18Co I
Ni I3...-0.04+-0.192.30+-0.19-3.92+-0.19-0.05+-0.192.30+-0.19Ni I
Zn I2...0.56+-0.171.24+-0.17-3.32+-0.170.55+-0.171.24+-0.17Zn I
Rb I1...<2.66<1.31<-1.05<2.82<1.31Rb I
Sr II1...0.08+-0.24-0.90+-0.24-3.77+-0.240.10+-0.24-0.90+-0.24Sr II
Y II2...-0.26+-0.19-1.90+-0.19-4.11+-0.19-0.24+-0.19-1.90+-0.19Y II
Ba II2...-0.51+-0.15-2.18+-0.15-4.36+-0.15-0.49+-0.15-2.18+-0.15Ba II
La II1...<-0.27<-3.02<-4.12<-0.25<-3.02La II
Ce II1...<0.14<-2.13<-3.71<0.16<-2.13Ce II
Pr II1...<0.92<-2.21<-2.93<0.94<-2.21Pr II
Nd II2...<0.68<-1.75<-3.17<0.70<-1.75Nd II
Sm II1...<0.86<-2.03<-2.99<0.88<-2.03Sm II
Eu II1...<0.21<-3.12<-3.64<0.23<-3.12Eu II
Tb II2...<1.48<-2.07<-2.39<1.48<-2.07Tb II
Dy II1...<1.00<-1.75<-2.85<1.02<-1.75Dy II
Er II1...<1.05<-1.88<-2.80<1.07<-1.88Er II
Tm II1...<2.00<-1.75<-1.87<2.00<-1.75Tm II
Yb II1...<-0.47<-3.40<-4.32<-0.45<-3.40Yb II
Hf II1...<1.44<-1.56<-2.27<1.60<-1.56Hf II
Pb I1...<2.50<0.67<-1.37<2.50<0.67Pb I

Isotopic Ratio

12C/13C 8+-3

Binary Parameters

Vrad -32.3

Position

Right Ascension : 21 03 52.11 Declination : -29 42 50.2 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2013-4-22-8:54 2456404.87 MIKELCO 41000 70-280 6000 -32.3
2013-4-23-9:20 2456405.888 MIKELCO 41000 70-280 3300 -32.3

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 : 4440+-20 log g : 0.5+-0.13 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......<-0.05<-3.31<0.56<-0.05Li I
CH1...2.72+-0.257.31-1.122.75+-0.257.31CH
NH1...1.71+-0.365.70-2.131.74+-0.365.70NH
O I3...2.37+-0.157.19-1.502.37+-0.157.19O I
Na I4...1.03+-0.233.40-2.841.03+-0.233.40Na I
Mg I5...1.78+-0.185.51-2.091.78+-0.185.51Mg I
Al I1...0.75+-0.253.33-3.120.75+-0.253.33Al I
Si I1...1.08+-0.284.72-2.791.08+-0.284.72Si I
K I2...0.46+-0.191.61-3.420.45+-0.191.61K I
Ca I9...0.54+-0.173.00-3.340.53+-0.173.00Ca I
Sc II3...-0.07+-0.17-0.77-3.92-0.05+-0.17-0.77Sc II
Ti I9...0.10+-0.151.18-3.770.10+-0.151.18Ti I
Ti II13...0.27+-0.151.38-3.570.30+-0.151.38Ti II
Cr I4...-0.29+-0.151.48-4.16-0.29+-0.151.48Cr I
Mn I1...-0.45+-0.171.11-4.32-0.45+-0.171.11Mn I
Fe I74-3.87+-0.15...3.63-3.87+-0.15...3.63Fe I
Fe II6-3.85+-0.16...3.65-3.85+-0.16...3.65Fe II
Co I2...-0.26+-0.180.86-4.13-0.26+-0.180.86Co I
Ni I3...-0.04+-0.192.30-3.92-0.05+-0.192.30Ni I
Zn I2...0.56+-0.171.24-3.320.55+-0.171.24Zn I
Rb I1...<2.66<1.31<-1.05<2.82<1.31Rb I
Sr II1...0.08+-0.24-0.90-3.770.10+-0.24-0.90Sr II
Y II2...-0.26+-0.19-1.90-4.11-0.24+-0.19-1.90Y II
Ba II2...-0.51+-0.15-2.18-4.36-0.49+-0.15-2.18Ba II
La II1...<-0.27<-3.02<-4.12<-0.25<-3.02La II
Ce II1...<0.14<-2.13<-3.71<0.16<-2.13Ce II
Pr II1...<0.92<-2.21<-2.93<0.94<-2.21Pr II
Nd II2...<0.68<-1.75<-3.17<0.70<-1.75Nd II
Sm II1...<0.86<-2.03<-2.99<0.88<-2.03Sm II
Eu II1...<0.21<-3.12<-3.64<0.23<-3.12Eu II
Tb II2...<1.48<-2.07<-2.39<1.48<-2.07Tb II
Dy II1...<1.00<-1.75<-2.85<1.02<-1.75Dy II
Er II1...<1.05<-1.88<-2.80<1.07<-1.88Er II
Tm II1...<2.00<-1.75<-1.87<2.00<-1.75Tm II
Yb II1...<-0.47<-3.40<-4.32<-0.45<-3.40Yb II
Hf II1...<1.44<-1.56<-2.27<1.60<-1.56Hf II
Pb I1...<2.50<0.67<-1.37<2.50<0.67Pb I

Binary Parameters

Binarity Negative
Vrad -32.3

Position

Right Ascension : 21 03 52.11 Declination : -29 42 50.2 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2013-04-22-08:54 2456404.87 MIKELCO 41000 70-280 6000 -32.3
2013-04-23-09:20 2456405.888 MIKELCO 41000 70-280 3300 -32.3

A.Arentsen et al.,AAP, 621, A108, 2019(ADS)

Binarity among CEMP-no stars: an indication of multiple formation pathways?


Stellar Parameters

Teff : 4440 log g : 0.5

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
CN/A...2.757.62-0.813.067.62C
FeN/A-3.87......-3.87...3.63Fe
BaN/A...-0.49...-4.36-0.49-2.18Ba

Binary Parameters

Binarity Negative
Vrad -32.55+-0.60

Position

Right Ascension : 21 03 52.1 Declination : -29 42 50 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2013-11-12-180000 2456609.25 SALTHRS 16000 N/A N/A -30.04+-3.88
2014-08-06-180000 2456876.25 SALTHRS 16000 N/A N/A -31.78+-1.32
2014-11-06-180000 2456968.25 SALTHRS 16000 N/A N/A -31.61+-2.7
2015-04-09-032136 2457121.64 SALTHRS 16000 N/A N/A -32.24+-0.36