BS16545-0089

  • BS16545-089 in D.K.Lai+,ApJ, 681, 1524, 2008

    • taken from 6 paper(s):

    /J.G.Cohen et al.(2004)/ /D.K.Lai et al.(2008)/ /W.Aoki et al.(2009)/ /J.G.Cohen et al.(2013)/ /J.E.Norris et al.(2013)/ /D.Yong et al.(2013)/

    J.G.Cohen et al.,ApJ, 612, 1107, 2004(ADS)

    Abundances In Very Metal-Poor Dwarf Stars


    Stellar Parameters

    Teff : 6115 log g : 3.6 vturb : 1.7

    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
    Mg I2......4.38+-0.02-3.22+-0.020.38+-0.024.38+-0.02Mg I
    Al I2......2.91+-0.09-3.54+-0.090.06+-0.092.91+-0.09Al I
    Si I1......3.88-3.63-0.033.88Si I
    Ca I3......3.26+-0.16-3.08+-0.160.52+-0.163.26+-0.16Ca I
    Sc II1......-0.29-3.440.16-0.29Sc II
    Ti II8......1.83+-0.12-3.12+-0.120.48+-0.121.83+-0.12Ti II
    Cr I3......1.93+-0.05-3.71+-0.05-0.11+-0.051.93+-0.05Cr I
    Mn I1......1.43-4.00-0.401.43Mn I
    Fe I21......3.90+-0.14-3.60+-0.14...3.90+-0.14Fe I
    Fe II2......4.00+-0.24-3.50+-0.24...4.00+-0.24Fe II
    Co I2......2.13+-0.11-2.86+-0.110.74+-0.112.13+-0.11Co I
    Ni I1......<2.91<-3.31<0.29<2.91Ni I
    Sr II2......<-0.90+-0.06<-3.77+-0.06<-0.17+-0.06<-0.90+-0.06Sr II
    Ba II2......<-1.38+-0.20<-3.56+-0.20<0.04+-0.20<-1.38+-0.20Ba II

    Position

    Right Ascension : 11 24 27.50 Declination : +36 50 28.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2002-05 N/A KECKHIRES 45000 80 1800 N/A

    D.K.Lai et al.,ApJ, 681, 1524, 2008(ADS)

    Detailed Abundances for 28 Metal-poor Stars: Stellar Relics in the Milky Way


    Stellar Parameters

    Teff : 6500+-100 log g : 4.25+-0.2 vturb : 1.6+-0.2

    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
    C1...<1.62...<-1.73<1.71<6.70C
    N1...<1.82...<-1.53<1.91<6.30N
    Na1...-0.13+-0.18...-3.48+-0.18-0.04+-0.182.76+-0.18Na
    Mg1...<0.29...<-3.17<0.27<4.43Mg
    Al1...-0.66+-0.15...-4.08+-0.15-0.64+-0.152.37+-0.15Al
    Si1...0.00+-0.15...-3.40+-0.150.04+-0.154.11+-0.15Si
    Ca1...0.46+-0.15...-2.96+-0.150.48+-0.153.38+-0.15Ca
    Sc II1...0.29+-0.15...-3.13+-0.150.31+-0.150.02+-0.15Sc II
    Ti II10...0.71+-0.06...-2.66+-0.060.78+-0.062.29+-0.06Ti II
    Cr I1...-0.15+-0.15...-3.56+-0.15-0.12+-0.152.08+-0.15Cr I
    Fe I27-3.44+-0.08......-3.44+-0.08...4.06+-0.08Fe I
    Fe II27-3.44+-0.08......-3.44+-0.08...4.06+-0.08Fe II
    Sr II2...-0.09+-0.09...-3.43+-0.090.01+-0.09-0.56+-0.09Sr II
    Ba II1...<-0.09...<-3.58<-0.14<-1.40Ba II
    Eu II1...<1.93...<-1.52<1.92<-1.00Eu II

    Position

    Right Ascension : 11 24 27.50 Declination : +36 50 28.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2004-04-08 N/A KECKHIRES 46000 114 9000 -162.3+-0.2
    2004-04-09 N/A KECKHIRES 46000 100 3600 -162.5+-1.0

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

    LITHIUM ABUNDANCES OF EXTREMELY METAL-POOR TURNOFF STARS


    Stellar Parameters

    Teff : 6320+-150 log g : 3.9 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......2.02+-0.17-1.24+-0.172.30+-0.172.02+-0.17Li I
    Na IN/A...-0.12...-3.68-0.142.56Na I
    Mg IN/A...0.25...-3.310.234.29Mg I
    Fe IN/A-3.49......-3.54...3.96Fe I
    Sr IIN/A...-0.34...-3.78-0.24-0.91Sr II

    Binary Parameters

    Vrad -161.54+-0.09

    Position

    Right Ascension : 11 24 27.50 Declination : +36 50 28.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2005-02-28 2453429.86 SUBARUHDS 60000 N/A 13500 -161.54+-0.09

    J.G.Cohen et al.,ApJ, 778, 56, 2013(ADS)

    Normal and Outlying Populations of the Milky Way Stellar Halo at [Fe/H] <-2


    Stellar Parameters

    Teff : 6115+-100 log g : 3.6+-0.25 vturb : 1.6+-0.2

    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 I2...0.37+-0.02...-3.22+-0.020.36+-0.024.38+-0.02Mg I
    Al I2...-0.03+-0.09...-3.54+-0.090.04+-0.092.91+-0.09Al I
    Si I1...-0.14...-3.63-0.053.88Si I
    Ca I3...0.43+-0.16...-3.08+-0.160.50+-0.163.26+-0.16Ca I
    Sc II1...0.14...-3.440.14-0.29Sc II
    Ti II8...0.37+-0.12...-3.12+-0.120.46+-0.121.83+-0.12Ti II
    Cr I3...-0.21+-0.05...-3.71+-0.05-0.13+-0.051.93+-0.05Cr I
    Mn I1...<-0.43...<-4.00<-0.42<1.43Mn I
    Fe IN/A-3.53+-0.12......-3.58+-0.12...3.92+-0.12Fe I
    Fe II2-3.45+-0.240.08+-0.24...-3.50+-0.240.08+-0.244.00+-0.24Fe II
    Co I2...<0.74+-0.11...<-2.86+-0.11<0.72+-0.11<2.13+-0.11Co I
    Ni I1...0.19...-3.310.272.91Ni I
    Sr II2...-0.27+-0.06...-3.77+-0.06-0.19+-0.06-0.90+-0.06Sr II
    Ba II2...<0.02+-0.2...<-3.56+-0.2<0.02+-0.2<-1.38+-0.2Ba II

    Binary Parameters

    Vrad -163.3

    Position

    Right Ascension : 11 24 27.50 Declination : +36 50 28.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2002-05 N/A KECKHIRES 36000 125 1800 -163.3

    J.E.Norris et al.,ApJ, 762, 25, 2013(ADS)

    The Most Metal-poor Stars. I. Discovery, Data, and Atmospheric Parameters


    Stellar Parameters

    Teff : 6486+-139 log g : 4

    Position

    Right Ascension : 11 24 27.50 Declination : +36 50 28.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2008-3 2454551.777 KECKHIRES 49000 100 -160.4 N/A
    2008-3 2454551.799 KECKHIRES 49000 100 -161.4 N/A
    2008-3 2454551.821 KECKHIRES 49000 100 -161.7 N/A

    D.Yong et al.,ApJ, 762, 26, 2013(ADS)

    THE MOST METAL-POOR STARS. II. CHEMICAL ABUNDANCES OF 190 METAL-POOR STARS INCLUDING 10 NEW STARS WITH [Fe/H] <-3.


    Stellar Parameters

    Teff : 6486 log g : 3.82 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...<1.77<6.76<-1.67<1.77<6.76C
    Na2...-0.16+-0.142.64+-0.14-3.60+-0.14-0.16+-0.142.64+-0.14Na
    Mg3...0.25+-0.124.41+-0.12-3.19+-0.120.25+-0.124.41+-0.12Mg
    Si1...<1.50<5.57<-1.94<1.50<5.57Si
    Ca4...0.53+-0.13.43+-0.1-2.91+-0.10.53+-0.13.43+-0.1Ca
    Sc1...0.17-0.12-3.270.17-0.12Sc
    Cr3...-0.12+-0.122.07+-0.12-3.57+-0.12-0.13+-0.122.07+-0.12Cr
    Fe I24-3.44+-0.11...4.06+-0.11-3.44+-0.11...4.06+-0.11Fe I
    Sr2...-0.18+-0.17-0.75+-0.17-3.62+-0.17-0.18+-0.17-0.75+-0.17Sr
    Ba1...<-0.18<-1.44<-3.62<-0.18<-1.44Ba

    Position

    Right Ascension : 11 24 27.50 Declination : +36 50 28.8 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 N/A N/A N/A N/A