BPS BS16945-0054: found in 3 paper(s).

Labels:

/D.K.Lai et al.(2004)/ /J.G.Cohen et al.(2004)/ /D.K.Lai et al.(2007)/

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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
2003-04-23 N/A KECKII 7000 150 600 N/A

Binarity

Vrad -71

Photometric data

V 13.67

Atmospheric data

Teff 5281
log g 2.99
vturb -2.75

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Mg I...-2.350.585.23
Ca I...-2.350.584.01
Ti II...-2.510.422.51
Fe I...-2.93...4.57
Ba II...-3.00-0.07-0.87
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)


A0036

Title Abundances In Very Metal-Poor Dwarf Stars
ADS J.G.Cohen et al.,ApJ, 612, 1107, 2004
Authors J. G. Cohen, N. Christlieb, A. McWilliam, S. Shectman, I. Thompson, G. J. Wasserburg, I. Ivans, M. Dehn, T. Karlsson, J. Melendez

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2002-05 N/A KECKHIRES 45000 >100 2700 N/A
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination +340139
Right Ascension 105057.6

Photometric data

V 13.67
EB-V 0.022

Atmospheric data

Teff 6065
log g 3.7
vturb 1.6

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Mg I...-1.87+-0.210.46+-0.215.71+-0.21
Al I...-2.60+-0.21-0.27+-0.213.87+-0.21
Si I...-2.220.115.33
Ca I...-2.09+-0.110.24+-0.114.27+-0.11
Sc II...-2.27+-0.010.06+-0.010.90+-0.01
Ti I...-1.98+-0.070.35+-0.073.04+-0.07
Ti II...-1.96+-0.180.37+-0.183.06+-0.18
Cr I...-2.60+-0.09-0.27+-0.093.07+-0.09
Mn I...-2.77+-0.35-0.44+-0.352.62+-0.35
Fe I...-2.33+-0.16...5.17+-0.16
Fe II...-2.36+-0.12...5.14+-0.12
Co I...-2.01+-0.230.32+-0.232.91+-0.23
Ni I...-2.39+-0.08-0.06+-0.083.86+-0.08
Sr II...-2.47+-0.06-0.14+-0.060.50+-0.06
Ba II...-2.29+-0.030.04+-0.03-0.16+-0.03
Nd II...<-0.80<1.53<0.70
Eu II...<-1.60+-0.01<0.73+-0.01<-1.09+-0.01
    : 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 5281
log g 2.99

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
C...-2.83+-0.260.10+-0.265.72+-0.26
Fe...-2.93...4.57
Sr...-3.25-0.32-0.28
Ba...-3.00-0.07-0.87
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)