HE1157-0518: found in 1 paper(s).

Labels:

/W.Aoki et al.(2007)/

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W.Aoki et al.,ApJ, 655, 492, 2007 (A0122,ADS)

Atmospheric data

Teff : 4900 log g : 2.0 vturb : 2.0

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
C...-0.19+-0.292.15+-0.298.2+-0.29
CN...-0.78+-0.561.56+-0.567.0+-0.56
Na I...-1.60+-0.180.74+-0.184.57+-0.18
Mg I...-1.84+-0.160.50+-0.165.69+-0.16
Ca I...-2.18+-0.160.16+-0.164.13+-0.16
Ti I...-2.24+-0.20.10+-0.202.66+-0.20
Ti II...-2.25+-0.230.09+-0.232.65+-0.23
Cr I...-2.62+-0.18-0.28+-0.183.02+-0.18
Fe I...-2.34+-0.31...5.11+-0.31
Fe II...-2.35+-0.19...5.10+-0.19
Ba II...-0.20+-0.242.14+-0.241.97+-0.24
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C 15+-5

Binarity

Vrad 142.91

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2003-05-25 N/A SUBARUHDS 50000 N/A 1800 142.91+-0.26
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : -053443 Right Ascension : 120018.1

Photometric data

V : 15.120 B : 16.273 H : 12.917 J : 13.418 K : 12.846 EB-V : 0.03