BPS CS29498-043: found in 3 paper(s).

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/W.Aoki et al.(2002)/ /W.Aoki et al.(2004)/ /W.Aoki et al.(2002)/

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A0010

Title 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
ADS W.Aoki et al.,ApJ, 576, L141, 2002
Authors W. Aoki, J. E. Norris, S. G. Ryan, T. C. Beers, H. Ando

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2001-07-26 2452117 SUBARUHDS 50000 N/A 7200 -32.6+-0.29
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Binarity

Binarity Negative
Vrad -32.6+-0.29

Photometric data

V 13.72
B 14.80
B-V 0.99
V-K 2.50
K 10.95

Atmospheric data

Teff 4400
log g 0.6
vturb 2.3

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
C2...-1.85+-0.29+1.90+-0.296.70+-0.29
N...-1.47+-0.40+2.28+-0.406.50+-0.40
Mg I...-1.94+-0.24+1.81+-0.245.64+-0.24
Al I...-3.41+-0.36+0.34+-0.363.08+-0.36
Si I...-2.68+-0.17+1.07+-0.174.88+-0.17
Ca I...-3.64+-0.19+0.11+-0.192.71+-0.19
Sc II...-3.62+-0.34+0.13+-0.34-0.52+-0.34
Ti I...-3.63+-0.10+0.12+-0.101.31+-0.10
Ti II...-3.43+-0.30+0.32+-0.301.51+-0.30
Cr I...-4.07+-0.10-0.32+-0.101.62+-0.10
Mn I...-4.43+-0.37-0.68+-0.371.1+-0.37
Fe I...-3.75+-0.26...3.75+-0.26
Fe II...-3.75+-0.33...3.75+-0.33
Sr II...-4.10+-0.35-0.35+-0.35-1.18+-0.35
Ba II...-4.20+-0.20-0.45+-0.20-1.98+-0.20
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)


A0027

Title Oxygen Overabundance in the Extremely Iron-poor Star CS 29498-043
ADS W.Aoki et al.,ApJ, 608, 971, 2004
Authors W. Aoki, J. E. Research School of Astronomy and Astrophysics, ANU. Norris, S. G. Department of Physics and Astronomy, OpenU. Ryan, T. C. Department of Physics and Astronomy, MSU. Beers, N. Christlieb, S. Tsangarides, H. Ando

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Basic Informations

Observation Date 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
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Binarity

Vrad -33.10+-0.45

Photometric data

V 13.72

Atmospheric data

Teff 4600
log g 1.2
vturb 2.4

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
C...-1.45+-0.29+2.09+-0.297.10+-0.29
N...-1.27+-0.40+2.27+-0.406.70+-0.40
O...-0.64+-0.34+2.90+-0.348.10+-0.34
Na I...-2.07+-0.38+1.47+-0.384.25+-0.38
Mg I...-1.79+-0.25+1.75+-0.255.79+-0.25
Al I...-3.27+-0.38+0.27+-0.383.20+-0.38
Si I...-2.72+-0.14+0.82+-0.144.84+-0.14
Ca I...-3.38+-0.16+0.16+-0.162.97+-0.16
Sc II...-3.57+-0.34-0.03+-0.34-0.47+-0.34
Ti I...-3.32+-0.11+0.22+-0.111.62+-0.11
Ti II...-3.16+-0.32+0.38+-0.321.78+-0.32
Cr I...-3.92+-0.10-0.38+-0.101.77+-0.10
Mn I...-4.63+-0.21-1.09+-0.210.90+-0.21
Fe I...-3.54+-0.28...3.96+-0.28
Fe II...-3.53+-0.34...3.97+-0.34
Co I...-3.48+-0.16+0.06+-0.161.43+-0.16
Ni I...-3.90+-0.29-0.36+-0.292.35+-0.29
Zn I...<-3.04<+0.5<1.6
Sr II...-4.01+-0.31-0.47+-0.31-1.09+-0.31
Ba II...-4.00+-0.20-0.46+-0.20-1.78+-0.20
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)


A0035

Title Subaru/HDS Study of the Extremely Metal-Poor Star CS 29498-043: Abundance Analysis Details and Comparison with Other Carbon-Rich Objects
ADS W.Aoki et al.,, 54, 933, 2002
Authors W. Aoki, J. E. Norris, S. G. Ryan, T. C. Beers, H. Ando

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2452117 SUBARUHDS N/A N/A N/A -32.6+-0.29
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Binarity

Vrad -32.6+-0.29

Photometric data

V 13.72

Atmospheric data

Teff 4400
log g 0.6
vturb 2.3

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
C...-1.85+-0.29+1.9+-0.296.70+-0.29
CN...-1.45+2.36.52
Mg I...-1.94+-0.24+1.81+-0.245.64+-0.24
Al I...-3.41+-0.36+0.34+-0.363.06+-0.36
Si I...-2.68+-0.17+1.07+-0.174.87+-0.17
Ca I...-3.64+-0.19+0.11+-0.192.72+-0.19
Ti I...-3.63+-0.10+0.12+-0.101.39+-0.10
Ti II...-3.43+-0.30+0.32+-0.301.59+-0.30
Cr I...-4.07+-0.10-0.32+-0.101.60+-0.10
Mn I...-4.43+-0.37-0.68+-0.370.96+-0.37
Fe I...-3.75+-0.26...3.75+-0.26
Fe II...-3.75+-0.33...3.75+-0.33
Sr II...-4.10+-0.35-0.35+-0.35-1.13+-0.35
Ba II...-4.20+-0.20-0.45+-0.20-2.07+-0.20
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C 6+-2