BPS CS22937-072: found in 1 paper(s).

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/G.W.Preston et al.(2006)/

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A0182

Title ATMOSPHERES, CHEMICAL COMPOSITIONS, AND EVOLUTIONARY HISTORIES OF VERY METAL-POOR RED HORIZONTAL-BRANCH STARS IN THE GALACTIC FIELD AND IN NGC 7078 (M15)
ADS G.W.Preston et al.,AJ, 132, 85, 2006
Authors G. W. Preston, C. Sneden, I. B. Thompson, S. A. Shectman, G. S. Burley

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2003-05-23-0851 N/A MIKELCO 40000 150 3600 N/A
2003-05-24-0915 N/A MIKELCO 40000 N/A 3600 N/A

Binarity

Vrad -152

Photometric data

V 14.02
B-V 0.53
U-B -0.03
V-K 1.80
EB-V 0.02

Atmospheric data

Teff 5450+-150
log g 2.10+-0.3
vturb 1.95+-0.2

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-2.50+-0.300.26+-0.306.05+-0.30
Na I...-2.26+-0.040.50+-0.044.07+-0.04
Mg I...-2.37+-0.090.39+-0.095.21+-0.09
Al I...-3.51-0.752.96
Si I...-2.340.425.21
Ca I...-2.21+-0.070.55+-0.074.15+-0.07
Sc II...-2.55+-0.060.21+-0.060.62+-0.06
Ti I...-2.32+-0.040.44+-0.042.70+-0.04
Ti II...-2.39+-0.040.37+-0.042.63+-0.04
Cr I...-2.93+-0.14-0.17+-0.142.74+-0.14
Cr II...-2.45+-0.350.31+-0.353.22+-0.35
Mn I...-3.47+-0.03-0.71+-0.031.92+-0.03
Fe I...-2.76+-0.11...4.74+-0.11
Fe II...-2.69+-0.08...4.81+-0.08
Co I...-2.540.222.38
Sr II...-2.60+-0.080.16+-0.080.37+-0.08
Y II...-2.85+-0.07-0.09+-0.07-0.61+-0.07
Zr II...-2.130.630.47
Ba II...-2.83+-0.27-0.07+-0.27-0.70+-0.27
La II...-2.72+-0.300.04+-0.30-1.55+-0.30
Eu II...-2.63+-0.150.13+-0.15-2.12+-0.15
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)