HE0007-1832: found in 2 paper(s).

Labels:

/J.G.Cohen et al.(2004)/ /J.G.Cohen et al.(2006)/

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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
2001-09 N/A KECKHIRES 45000 90 8400 N/A
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination -181612
Right Ascension 000952.8

Photometric data

V 15.46
EB-V 0.030

Atmospheric data

Teff 6515
log g 3.8
vturb 1.7

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-0.262.448.29
CN...-0.971.737.00
Mg I...-1.93+-0.350.77+-0.355.65+-0.35
Al I...-3.19-0.493.28
Si I...-2.490.215.06
Ca I...-2.330.374.03
Sc II...-2.27+-0.010.43+-0.010.90+-0.01
Ti I...-1.98+-0.070.72+-0.073.04+-0.07
Ti II...-2.29+-0.150.41+-0.152.73+-0.15
Cr I...-2.60+-0.090.10+-0.093.07+-0.09
Mn I...-2.88+-0.03-0.18+-0.032.51+-0.03
Fe I...-2.70+-0.19...4.80+-0.19
Fe II...-2.62+-0.21...4.88+-0.21
Co I...-1.970.732.95
Ni I...-2.630.073.62
Sr II...-2.580.120.39
Ba II...-2.490.21-0.36
La II...<-0.87<1.83<0.30
Nd II...<-0.80<1.90<0.70
Eu II...<-0.86<1.84<-0.35
Pb I...<0.39<3.09<2.34
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C 7.5+-1.5

A0090

Title Carbon Stars in the Hamburg/ESO Survey: Abundances
ADS J.G.Cohen et al.,AJ, 132, 137, 2006
Authors J. G. Cohen, A. McWilliam, S. Shectman, I. Thompson, N. Christlieb, J. Melendez, S. Ramirez, A. Swensson, F. -J. Zickgraf

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Basic Informations

Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination -181612
Right Ascension 000952.8

Photometric data

V 15.462