CS22957-027

  • HE2356-0410 in J.G.Cohen+,AJ, 132, 137, 2006

    • taken from 6 paper(s):

    /W.Aoki et al.(2002)/ /W.Aoki et al.(2002)/ /G.W.Preston and C. Sneden(2001)/ /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 : 5100 log g : 1.9 vturb : 1.4

    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
    C2N/A...+2.37+-0.247.80+-0.24-0.63+-0.242.49+-0.247.80+-0.24C2
    CNN/A...+1.62+-0.356.45+-0.35-1.38+-0.351.74+-0.356.45+-0.35CN
    Mg I3...+0.69+-0.205.15+-0.20-2.45+-0.200.67+-0.205.15+-0.20Mg I
    Al I1...-0.77+-0.332.60+-0.33-3.85+-0.33-0.73+-0.332.60+-0.33Al I
    Ca I1...+0.14+-0.173.37+-0.17-2.97+-0.170.15+-0.173.37+-0.17Ca I
    Ti I3...+0.30+-0.112.12+-0.11-2.83+-0.110.29+-0.112.12+-0.11Ti I
    Ti II6...+0.41+-0.202.23+-0.20-2.72+-0.200.40+-0.202.23+-0.20Ti II
    Cr I2...-0.21+-0.112.36+-0.11-3.28+-0.11-0.16+-0.112.36+-0.11Cr I
    Mn I1...-0.41+-0.482.0+-0.48-3.43+-0.48-0.31+-0.482.0+-0.48Mn I
    Fe I25-3.12+-0.15...4.38+-0.15-3.12+-0.15...4.38+-0.15Fe I
    Fe II4-3.11+-0.24...4.39+-0.24-3.11+-0.24...4.39+-0.24Fe II
    Ni I4...-0.25+-0.262.88+-0.26-3.34+-0.26-0.22+-0.262.88+-0.26Ni I
    Sr II1...-0.56+-0.40-0.76+-0.40-3.63+-0.40-0.51+-0.40-0.76+-0.40Sr II
    Ba II2...-1.23+-0.21-2.13+-0.21-4.31+-0.21-1.19+-0.21-2.13+-0.21Ba II

    Binary Parameters

    Vrad -61.6+-0.22

    Position

    Right Ascension : 23 59 13.10 Declination : -03 53 49.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2001-07-23 2452114 SUBARUHDS 60000 N/A 4592 -61.6+-0.22

    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 : 5100 log g : 1.9 vturb : 1.4

    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
    CN/A...+2.4+-0.24...-0.60+-0.242.52+-0.247.83+-0.24C
    CNN/A...+1.6...-1.381.746.45CN
    Mg I3...+0.69+-0.20...-2.45+-0.200.67+-0.205.15+-0.20Mg I
    Al I1...-0.77+-0.33...-3.87+-0.33-0.75+-0.332.58+-0.33Al I
    Ca I1...+0.14+-0.17...-2.96+-0.170.16+-0.173.38+-0.17Ca I
    Ti I3...+0.30+-0.11...-2.75+-0.110.37+-0.112.20+-0.11Ti I
    Ti II6...+0.41+-0.20...-2.64+-0.200.48+-0.202.31+-0.20Ti II
    Cr I2...-0.21+-0.11...-3.30+-0.11-0.18+-0.112.34+-0.11Cr I
    Mn I1...-0.41+-0.48...-3.57+-0.48-0.45+-0.481.86+-0.48Mn I
    Fe I25-3.12+-0.15......-3.12+-0.15...4.38+-0.15Fe I
    Fe II4-3.11+-0.24......-3.11+-0.24...4.39+-0.24Fe II
    Ni I4...-0.25+-0.26...-3.34+-0.26-0.22+-0.262.88+-0.26Ni I
    Sr II1...-0.56+-0.40...-3.58+-0.40-0.46+-0.40-0.71+-0.40Sr II
    Ba II2...-1.23+-0.21...-4.40+-0.21-1.28+-0.21-2.22+-0.21Ba II

    Isotopic Ratio

    12C/13C 8+-2

    Binary Parameters

    Vrad -61.6+-0.22

    Position

    Right Ascension : 23 59 13.10 Declination : -03 53 49.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2452114 SUBARUHDS 60000 N/A N/A -61.6+-0.22

    G.W.Preston et al.,AJ, 122, 1545, 2001(ADS)

    The Incidence of Binaries among Very Metal-poor Carbon Stars


    Stellar Parameters

    Teff : 5050 log g : 2.0 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
    CHN/A...2.2...-0.642.327.79CH
    CNN/A...1.6...-1.221.746.61CN
    Na I2...0.77...-2.100.864.14Na I
    Mg I2...0.21...-2.770.194.83Mg I
    Ti II3...0.15...-2.740.222.21Ti II
    Fe I21-2.96......-2.96...4.54Fe I
    Fe II7-2.97......-2.97...4.53Fe II
    Sr II2...-0.7...-3.56-0.60-0.69Sr II
    Ba II1...-2.0...-5.01-2.05-2.83Ba II

    Isotopic Ratio

    12C/13C 25

    Binary Parameters

    Binarity Positive
    Vrad -72.8
    Period 3125

    Position

    Right Ascension : 23 59 13.10 Declination : -03 53 49.0 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 2448099.85 FRUTTI 30000 N/A N/A -70.0
    N/A 2448114.86 FRUTTI 30000 N/A N/A -70.5
    N/A 2448115.79 FRUTTI 30000 N/A N/A -69.6
    N/A 2448116.80 FRUTTI 30000 N/A N/A -69.8
    N/A 2448117.90 FRUTTI 30000 N/A N/A -71.0
    N/A 2448119.84 FRUTTI 30000 N/A N/A -70.4
    N/A 2451002.80 FRUTTI 30000 N/A N/A -63.7
    N/A 2451035.76 FRUTTI 30000 N/A N/A -63.4
    N/A 2451360.92 FRUTTI 30000 N/A N/A -70.1
    N/A 2451384.82 FRUTTI 30000 N/A N/A -71.8
    N/A 2451386.86 FRUTTI 30000 N/A N/A -72.6

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

    Neutron-capture Nucleosynthesis in the First Stars


    Stellar Parameters

    Teff : 5220+-39 log g : 2.65+-0.23 vturb : 1.45+-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......<0.86<-2.40<0.79<0.86Li I
    CH1...2.42+-0.257.85+-0.25-0.58+-0.252.61+-0.257.85+-0.25CH
    NH1...1.50+-0.366.33+-0.36-1.50+-0.361.69+-0.366.33+-0.36NH
    O I3...<1.20<6.70<-1.99<1.20<6.70O I
    Na I3...0.98+-0.204.03+-0.20-2.21+-0.200.98+-0.204.03+-0.20Na I
    Mg I3...0.08+-0.164.49+-0.16-3.11+-0.160.08+-0.164.49+-0.16Mg I
    Al I1...-0.12+-0.303.14+-0.30-3.31+-0.30-0.12+-0.303.14+-0.30Al I
    K I1...0.04+-0.201.88+-0.20-3.15+-0.200.04+-0.201.88+-0.20K I
    Ca I3...0.32+-0.173.46+-0.17-2.88+-0.170.31+-0.173.46+-0.17Ca I
    Ti I2...0.32+-0.152.08+-0.15-2.87+-0.150.32+-0.152.08+-0.15Ti I
    Ti II5...0.20+-0.152.15+-0.15-2.80+-0.150.39+-0.152.15+-0.15Ti II
    Cr I1...-0.13+-0.142.32+-0.14-3.32+-0.14-0.13+-0.142.32+-0.14Cr I
    Mn II2...-0.31+-0.222.12+-0.22-3.31+-0.22-0.12+-0.222.12+-0.22Mn II
    Fe I36-3.19+-0.14...4.31+-0.14-3.19+-0.14...4.31+-0.14Fe I
    Fe II3-3.00+-0.16...4.50+-0.16-3.00+-0.16...4.50+-0.16Fe II
    Co I4...0.15+-0.191.94+-0.19-3.05+-0.190.14+-0.191.94+-0.19Co I
    Ni I4...-0.03+-0.203.00+-0.20-3.22+-0.20-0.03+-0.203.00+-0.20Ni I
    Zn I1...<0.65<2.02<-2.54<0.65<2.02Zn I
    Rb I1...<2.87<2.20<-0.16<3.03<2.20Rb I
    Sr II1...-0.75+-0.18-0.88+-0.18-3.75+-0.18-0.56+-0.18-0.88+-0.18Sr II
    Ba II1...-1.00+-0.15-1.82+-0.15-4.00+-0.15-0.81+-0.15-1.82+-0.15Ba II
    Ce II4...<1.36<-0.06<-1.64<1.55<-0.06Ce II
    Pr II2...<1.91<-0.37<-1.09<2.10<-0.37Pr II
    Nd II1...<1.42<-0.16<-1.58<1.61<-0.16Nd II
    Sm II2...<1.50<-0.54<-1.50<1.69<-0.54Sm II
    Eu II1...<0.88<-1.60<-2.12<1.07<-1.60Eu II
    Gd II1...<1.71<-0.22<-1.29<1.90<-0.22Gd II
    Tb II2...<2.55<-0.15<-0.47<2.72<-0.15Tb II
    Dy II1...<2.01<0.11<-0.99<2.20<0.11Dy II
    Er II1...<1.97<-0.11<-1.03<2.16<-0.11Er II
    Tm II1...<2.86<-0.04<-0.16<3.03<-0.04Tm II
    Yb II1...<0.39<-1.69<-2.61<0.58<-1.69Yb II
    Hf II1...<2.34<0.19<-0.52<2.67<0.19Hf II
    Pb I1...<2.41<1.26<-0.78<2.41<1.26Pb I

    Isotopic Ratio

    12C/13C 6+-2

    Binary Parameters

    Vrad -74.8

    Position

    Right Ascension : 23 59 13.10 Declination : -03 53 49.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2008-9-11-6:13 2454720.765 MIKELCO 41000 40-95 1000 -74.8

    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 : 5220+-39 log g : 2.65+-0.23 vturb : 1.45+-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......<0.86<-2.40<0.79<0.86Li I
    CH1...2.42+-0.257.85-0.582.61+-0.257.85CH
    NH1...1.50+-0.366.33-1.501.69+-0.366.33NH
    O I3...<1.20<6.70<-1.99<1.20<6.70O I
    Na I3...0.98+-0.204.03-2.210.98+-0.204.03Na I
    Mg I3...0.08+-0.164.49-3.110.08+-0.164.49Mg I
    Al I1...-0.12+-0.303.14-3.31-0.12+-0.303.14Al I
    K I1...0.04+-0.201.88-3.150.04+-0.201.88K I
    Ca I3...0.32+-0.173.46-2.880.31+-0.173.46Ca I
    Ti I2...0.32+-0.152.08-2.870.32+-0.152.08Ti I
    Ti II5...0.20+-0.152.15-2.800.39+-0.152.15Ti II
    Cr I1...-0.13+-0.142.32-3.32-0.13+-0.142.32Cr I
    Mn II2...-0.31+-0.222.12-3.31-0.12+-0.222.12Mn II
    Fe I36-3.19+-0.14...4.31-3.19+-0.14...4.31Fe I
    Fe II3-3.00+-0.16...4.50-3.00+-0.16...4.50Fe II
    Co I4...0.15+-0.191.94-3.050.14+-0.191.94Co I
    Ni I4...-0.03+-0.203.00-3.22-0.03+-0.203.00Ni I
    Zn I1...<0.65<2.02<-2.54<0.65<2.02Zn I
    Rb I1...<2.87<2.20<-0.16<3.03<2.20Rb I
    Sr II1...-0.75+-0.18-0.88-3.75-0.56+-0.18-0.88Sr II
    Ba II1...-1.00+-0.15-1.82-4.00-0.81+-0.15-1.82Ba II
    Ce II4...<1.36<-0.06<-1.64<1.55<-0.06Ce II
    Pr II2...<1.91<-0.37<-1.09<2.10<-0.37Pr II
    Nd II1...<1.42<-0.16<-1.58<1.61<-0.16Nd II
    Sm II2...<1.50<-0.54<-1.50<1.69<-0.54Sm II
    Eu II1...<0.88<-1.60<-2.12<1.07<-1.60Eu II
    Gd II1...<1.71<-0.22<-1.29<1.90<-0.22Gd II
    Tb II2...<2.55<-0.15<-0.47<2.72<-0.15Tb II
    Dy II1...<2.01<0.11<-0.99<2.20<0.11Dy II
    Er II1...<1.97<-0.11<-1.03<2.16<-0.11Er II
    Tm II1...<2.86<-0.04<-0.16<3.03<-0.04Tm II
    Yb II1...<0.39<-1.69<-2.61<0.58<-1.69Yb II
    Hf II1...<2.34<0.19<-0.52<2.67<0.19Hf II
    Pb I1...<2.41<1.26<-0.78<2.41<1.26Pb I

    Binary Parameters

    Binarity Positive
    Vrad -67.7

    Position

    Right Ascension : 23 59 13.10 Declination : -03 53 49.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2008-09-11-06:13 2454720.765 MIKELCO 41000 40-95 1000 -74.8

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

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


    Stellar Parameters

    Teff : 5220 log g : 2.7

    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...2.617.87-0.562.637.87C
    FeN/A-3.19......-3.19...4.31Fe
    BaN/A...-0.81...-4.00-0.81-1.82Ba

    Binary Parameters

    Binarity Positive
    Vrad -66.87+-5.16

    Position

    Right Ascension : 23 59 13.1 Declination : -03 53 48 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2013-08-15-004311 2456519.53 GECKOCFHT 68000 N/A N/A -61.43+-0.94
    2013-08-28-011159 2456532.55 GECKOCFHT 68000 N/A N/A -62.34+-0.89
    2013-09-14-002848 2456549.52 GECKOCFHT 68000 N/A N/A -61.46+-0.92
    2014-06-08-023823 2456816.61 GECKOCFHT 68000 N/A N/A -71.68+-1.05
    2014-06-16-012624 2456824.56 GECKOCFHT 68000 N/A N/A -72.09+-0.98