A0254

Bibliography Data

Title Spectroscopic Studies of Extremely Metal-poor Stars with the Subaru High Dispersion Spectrograph. V. The Zn-enhanced Metal-poor Star BS 16920-017
ADS S.Honda et al.,ApJ, 730, 77, 2011
Authors S. Honda, W. Aoki, T. C. Beers, M. Takada-Hidai

List of objects

Object Comment S O
BPS BS16920-017 N/A S O
HD4306 N/A S O

S: Find this object in SIMBAD
O: Find this object in Other papers

BPS BS16920-017

Atmospheric data

Teff : 4760 log g : 1.2 vturb : 1.4

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-3.00+0.125.37
Na I...-2.94+0.183.24
Mg I...-2.88+-0.21+0.24+-0.214.66+-0.21
Al I...-3.73-0.612.66
Si I...-3.22-0.104.23
Ca I...-3.02+-0.14+0.10+-0.143.26+-0.14
Sc II...-3.35+-0.08-0.23+-0.08-0.26+-0.08
Ti I...-2.71+-0.13+0.41+-0.132.18+-0.13
Ti II...-2.63+-0.14+0.49+-0.142.26+-0.14
V I...-3.28-0.160.59
V II...-2.72+0.401.15
Cr I...-2.96+-0.2+0.16+-0.202.62+-0.20
Cr II...-3.06+0.062.52
Mn I...-3.30+-0.33-0.18+-0.332.07+-0.33
Fe I...-3.12+-0.22...4.38+-0.22
Fe II...-3.24+-0.17...4.26+-0.17
Co I...-2.80+-0.2+0.32+-0.202.13+-0.20
Ni I...-2.68+-0.06+0.44+-0.063.48+-0.06
Cu I...<-2.82<+0.30<1.31
Zn I...-2.08+1.042.42
Sr II...-3.56-0.44-0.75
Ba II...-4.83-1.71-2.71
Eu II...<-3.12<+0.00<-2.66
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Binarity

Vrad -206.2+-0.4

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2001-01-27 2451937 SUBARUHDS 50000 59 5400 -206.5+-0.8
2004-05-31 2453156 SUBARUHDS 60000 62 1800 -206.2+-0.4
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

HD4306

Atmospheric data

Teff : 4810 log g : 1.8 vturb : 1.6

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-2.66+0.205.78
Na I...-2.28+0.583.97
Mg I...-2.44+-0.13+0.42+-0.135.17+-0.13
Al I...-3.37-0.513.09
Si I...-2.44+0.425.08
Ca I...-2.41+-0.18+0.45+-0.183.94+-0.18
Sc II...-2.74+-0.03+0.12+-0.030.42+-0.03
Ti I...-2.60+-0.08+0.26+-0.082.36+-0.08
Ti II...-2.37+-0.13+0.49+-0.132.59+-0.13
V I...-2.860.001.08
V II...-2.64+0.221.30
Cr I...-2.98+-0.29-0.12+-0.292.67+-0.29
Cr II...-2.71+0.152.94
Mn I...-3.61+-0.27-0.75+-0.271.83+-0.27
Fe I...-2.86+-0.12...4.64+-0.12
Fe II...-2.84+-0.11...4.66+-0.11
Co I...-2.71+-0.13+0.15+-0.132.29+-0.13
Ni I...-2.88+-0.03-0.02+-0.033.35+-0.03
Cu I...<-3.26<-0.40<0.94
Zn I...-2.56+0.302.01
Sr II...-2.860.000.02
Ba II...-3.98-1.12-1.79
Eu II...-3.45+-0.12-0.59+-0.12-2.92+-0.12
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Binarity

Vrad -69.7+-0.3

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2000-08-19 2451776 SUBARUHDS 50000 340 1800 -69.7+-0.3
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A