BPS CS29502-092: found in 4 paper(s).

Labels:

/W.Aoki et al.(2002)/ /D.K.Lai et al.(2004)/ /D.K.Lai et al.(2007)/ /D.K.Lai et al.(2008)/

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A0007

Title The Chemical Composition of Carbon-rich, Very Metal Poor Stars: A New Class of Mildly Carbon Rich Objects without Excess of Neutron-Capture Elements
ADS W.Aoki et al.,ApJ, 567, 1166, 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
1998-08 2451039 ANGLO 40000 73 60*2 -67.35+-0.27
1998-08 N/A ANGLO 40000 70 150*5 N/A
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Photometric data

V 11.88
B-V 0.77

Atmospheric data

Teff 5000
log g 2.1
vturb 1.8

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Li I...<-1.56<+1.2<-0.40
C...-1.76+-0.18+1.0+-0.186.79+-0.18
N...-2.06+-0.24+0.7+-0.245.91+-0.24
Na I...-2.77+-0.18-0.01+-0.183.56+-0.18
Mg I...-2.39+-0.07+0.37+-0.075.19+-0.07
Al I...-3.53+-0.28-0.77+-0.282.94+-0.28
Si I...-1.92+-0.20+0.84+-0.205.63+-0.20
Ca I...-2.49+-0.12+0.27+-0.123.87+-0.12
Sc II...-2.78+-0.12-0.02+-0.120.39+-0.12
Ti I...-2.57+-0.09+0.19+-0.092.45+-0.09
Ti II...-2.40+-0.15+0.36+-0.152.62+-0.15
Mn I...-3.35+-0.17-0.59+-0.172.04+-0.17
Fe I...-2.76+-0.18...4.74+-0.18
Fe II...-2.77+-0.25...4.73+-0.25
Co I...-2.49+-0.09+0.27+-0.092.43+-0.09
Ni I...-2.60+-0.07+0.16+-0.073.65+-0.07
Sr II...-3.16+-0.35-0.40+-0.35-0.19+-0.35
Y II...-2.99+-0.16-0.23+-0.16-0.75+-0.16
Ba II...-3.58+-0.27-0.82+-0.27-1.45+-0.27
Eu II...<-2.36<+0.4<-1.85
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C 20

A0022

Title ABUNDANCES OF EXTREMELY METAL-POOR STAR CANDIDATES
ADS D.K.Lai et al.,AJ, 128, 2402, 2004
Authors D. K. Lai, M. Bolte, J. A. Johnson, S. Lucatello

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2000-08-28 N/A KECKII 7000 150 600 N/A

Binarity

Vrad -67

Photometric data

V 11.88
B-V 0.77
EB-V 0.10

Atmospheric data

Teff 5114
log g 2.51
vturb -3.00

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Mg I...-2.500.425.08
Ca I...-2.650.273.71
Ti II...-2.560.362.46
Cr I...-2.920.002.75
Fe I...-2.92...4.58
Ba II...-3.84-0.92-1.71
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)


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 5114
log g 2.51

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
C...-1.77+-0.191.15+-0.196.78+-0.19
Fe...-2.92...4.58
Sr...-3.10-0.18-0.13
Ba...-3.84-0.92-1.71
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)


A0181

Title Detailed Abundances for 28 Metal-poor Stars: Stellar Relics in the Milky Way
ADS D.K.Lai et al.,ApJ, 681, 1524, 2008
Authors D. K. Lai, M. Bolte, J. A. Johnson, S. Lucatello

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2001-08-25 N/A KECKHIRES N/A 115 5400 -68.5+-0.2
2001-08-25 N/A KECKHIRES N/A 121 5400 -68.2+-0.2
2004-10-07 N/A KECKHIRES N/A 141 4800 -69.3+-0.2
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Photometric data

V 11.895

Atmospheric data

Teff 4890+-100
log g 1.72+-0.2
vturb 1.6+-0.2

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
C...-2.22+-0.220.96+-0.226.33+-0.22
N...-2.37+-0.270.81+-0.275.60+-0.27
OH...-2.43+-0.310.75+-0.316.44+-0.31
Mg...-2.76+-0.050.42+-0.054.82+-0.05
Al...-3.97+-0.15-0.79+-0.152.50+-0.15
Ca...-2.87+-0.050.31+-0.053.49+-0.05
Sc II...-3.16+-0.060.02+-0.060.01+-0.06
Ti I...-3.00+-0.060.18+-0.062.02+-0.06
Ti II...-2.99+-0.050.19+-0.052.03+-0.05
V I...-3.24+-0.13-0.06+-0.130.76+-0.13
V II...-3.14+-0.070.04+-0.070.86+-0.07
Cr I...-3.39+-0.04-0.21+-0.042.28+-0.04
Cr II...-2.97+-0.080.21+-0.082.70+-0.08
Mn I...-3.50+-0.09-0.32+-0.091.89+-0.09
Mn II...-3.34+-0.07-0.16+-0.072.05+-0.07
Fe I...-3.18+-0.09...4.32+-0.09
Fe II...-3.20+-0.09...4.30+-0.09
Co...-2.82+-0.060.36+-0.062.10+-0.06
Ni...-3.10+-0.040.08+-0.043.15+-0.04
Cu...-4.54+-0.10-1.36+-0.10-0.33+-0.10
Zn...-2.84+-0.060.34+-0.061.76+-0.06
Sr II...-3.64+-0.17-0.46+-0.17-0.67+-0.17
Y II...-3.81+-0.08-0.63+-0.08-1.57+-0.08
Zr II...-3.46+-0.08-0.28+-0.08-0.86+-0.08
Ba II...-4.44+-0.09-1.26+-0.09-2.31+-0.09
Eu II...<-3.49<-0.31<-2.98
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)