BPS CS22898-027: found in 6 paper(s).

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/W.Aoki et al.(2002)/ /W.Aoki et al.(2002)/ /A.McWilliam et al.(1995)/ /A.McWilliam et al.(1995)/ /G.W.Preston and C. Sneden(2001)/ /D.K.Lai et al.(2007)/

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A0011

Title A SUBARU/HIGH DISPERSION SPECTROGRAPH STUDY OF LEAD (Pb) ABUNDANCES IN EIGHT s-PROCESS ELEMENT–RICH, METAL-POOR STARS
ADS W.Aoki et al.,ApJ, 580, 1149, 2002
Authors W. Aoki, S. G. Ryan, J. E. Norris, T. C. Beers, H. Ando, S. Tsangarides

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2001-07-22 2452113 SUBARUHDS 50000 49 60*3 -47.90+-0.47
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Photometric data

V 12.76
B-V 0.50
EB-V 0.03

Atmospheric data

Teff 6250
log g 3.7
vturb 1.5

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Fe I...-2.26+-0.11...5.24+-0.11
Fe II...-2.25+-0.16...5.25+-0.16
Sr II...-1.34+-0.410.92+-0.411.59+-0.41
Y II...-1.53+-0.200.73+-0.200.71+-0.20
Zr II...-1.25+-0.171.01+-0.171.37+-0.17
Ba II...-0.03+-0.142.23+-0.142.20+-0.14
La II...-0.13+-0.182.13+-0.181.10+-0.18
Ce II...-0.13+-0.132.13+-0.131.51+-0.13
Nd II...-0.03+-0.142.23+-0.141.47+-0.14
Sm II...-0.18+-0.152.08+-0.150.82+-0.15
Eu II...-0.38+-0.151.88+-0.150.18+-0.15
Dy II...-0.48+-0.171.78+-0.170.70+-0.17
Er II...0.14+-0.172.40+-0.171.12+-0.17
Pb II...0.58+-0.192.84+-0.192.65+-0.19
    : 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
2452113 SUBARUHDS N/A N/A N/A -47.90+-0.47
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Binarity

Vrad -47.90+-0.47

Photometric data

V 12.76

Atmospheric data

Teff 6250
log g 3.7
vturb 1.5

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
C...-0.06+-0.38+2.2+-0.388.49+-0.38
CN...-1.36+0.96.61
Mg I...-1.85+-0.19+0.41+-0.195.73+-0.19
Al I...-3.12+-0.17-0.86+-0.173.35+-0.17
Ca I...-1.86+-0.14+0.40+-0.144.50+-0.14
Ti I...-1.85+-0.15+0.41+-0.153.17+-0.15
Ti II...-1.83+-0.24+0.43+-0.243.19+-0.24
Cr I...-2.36+-0.13-0.10+-0.133.31+-0.13
Mn I...-2.84+-0.08-0.58+-0.082.55+-0.08
Fe I...-2.26+-0.11...5.24+-0.11
Fe II...-2.25+-0.16...5.25+-0.16
Ni I...-2.24+-0.16+0.02+-0.164.01+-0.16
Sr II...-1.34+-0.41+0.92+-0.411.63+-0.41
Ba II...-0.03+-0.14+2.23+-0.142.10+-0.14
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C 15+-5

A0038

Title A Spectroscopic Analysis of 33 of the Most Metal-Poor Stars.I.
ADS A.McWilliam et al.,AJ, 109, 2736, 1995
Authors A. McWilliam, G. W. Preston, C. Sneden, S. Shectman

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A N/A FRUTTI 22000 N/A N/A N/A

Photometric data

V 12.58
B-V 0.510
V-R 0.319

A0039

Title Spectroscopic Analysis of 33 of the Most Metal Poor Stars. II.
ADS A.McWilliam et al.,AJ, 109, 2757, 1995
Authors A. McWilliam, G. W. Preston, C. Sneden, L. Searle

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A FRUTTI 22000 N/A N/A N/A
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Photometric data

V 12.58
B-V 0.510
V-R 0.319

Atmospheric data

Teff 6000
log g 3.60+-0.28
vturb 1.42+-0.19

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
C...-0.461.908.09
Na...-1.890.474.44
Mg...-2.270.095.31
Ca...-1.990.374.37
Fe I...-2.36...5.14
Fe II...-2.34...5.16
Ni...-1.830.534.42
Sr...-1.390.971.58
Ba...0.312.672.44
Eu...-0.322.040.19
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

A0044

Title The Incidence of Binaries among Very Metal-poor Carbon Stars
ADS G.W.Preston et al.,AJ, 122, 1545, 2001
Authors G. W. Preston, C. Sneden

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A 2447750.70 FRUTTI N/A N/A N/A -47.8
N/A 2447752.60 FRUTTI N/A N/A N/A -48.7
N/A 2449576.72 FRUTTI N/A N/A N/A -49.5
N/A 2449937.72 FRUTTI N/A N/A N/A -49.0
N/A 2450292.64 FRUTTI N/A N/A N/A -49.1
N/A 2450706.73 FRUTTI N/A N/A N/A -47.7
N/A 2450996.79 FRUTTI N/A N/A N/A -48.9
N/A 2451035.73 FRUTTI N/A N/A N/A -49.3
N/A 2451358.81 FRUTTI N/A N/A N/A -48.5
N/A 2451384.67 FRUTTI N/A N/A N/A -48.6
N/A 2451385.67 FRUTTI N/A N/A N/A -49.0
N/A 2451386.68 FRUTTI N/A N/A N/A -48.5
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Binarity

Vrad -48.5

Photometric data

V 12.76
B-V 0.50
U-B -0.16
EB-V 0.03

Atmospheric data

Teff 6300
log g 4.0
vturb 2.0

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-0.221.958.33
CN...-0.971.207.00
Na I...-2.000.174.33
Mg I...-2.040.135.54
Ti II...-1.940.233.08
Fe I...-2.17...5.33
Fe II...-2.13...5.37
Sr II...-1.570.61.40
Y II...-1.220.951.02
Zr II...-0.781.391.82
Ba II...0.102.272.23
La II...0.112.281.28
Nd II...-0.172.001.33
Eu II...-0.231.940.28
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C >20

A0128

Title Carbon and Strontium Abundances of Metal-poor Stars
ADS D.K.Lai et al.,ApJ, 667, 1185, 2007
Authors D. K. Lai, J. A. Johnson, M. Bolte, S. Lucatello

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A N/A KECKII 7000 N/A N/A N/A

Atmospheric data

Teff 5750
log g 3.58

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
C...-0.84+-0.191.45+-0.197.71+-0.19
Fe...-2.29...5.21
Sr...-1.171.121.80
Ba...-0.132.162.00
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)