BPS CS30314-067: found in 2 paper(s).

Labels:

/W.Aoki et al.(2002)/ /J.A.Johnson et al.(2007)/

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A0007

Title The Chemical Composition of Carbon-rich, Very Metal Poor Stars: A New Class of Mildly Carbon Rich Objects without Excess of Neutron-Capture Elements
ADS W.Aoki et al.,ApJ, 567, 1166, 2002
Authors W. Aoki, J. E. Norris, S. G. Ryan, T. C. Beers, H. Ando

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
1997-08 2450684 ANGLO 40000 95 60*2 +145.58+-0.29
1997-08 N/A ANGLO 40000 77 120*4 N/A
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Photometric data

V 11.85
B-V 1.13

Atmospheric data

Teff 4400
log g 0.7
vturb 2.5

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Li I...<-2.25<+0.6<-1.09
C...-2.35+-0.18+0.5+-0.186.20+-0.18
N...-1.65+-0.24+1.2+-0.246.32+-0.24
Na I...-2.93+-0.18-0.08+-0.183.40+-0.18
Mg I...-2.43+-0.10+0.42+-0.105.15+-0.10
Al I...-2.95+-0.28-0.10+-0.283.52+-0.28
Si I...-2.05+-0.27+0.80+-0.275.50+-0.27
Ca I...-2.63+-0.10+0.22+-0.103.73+-0.10
Sc II...-2.83+-0.13+0.02+-0.130.34+-0.13
Ti I...-2.73+-0.07+0.12+-0.072.29+-0.07
Ti II...-2.42+-0.15+0.43+-0.152.60+-0.15
Cr I...-3.23+-0.09-0.38+-0.092.44+-0.09
Cr II...-2.73+-0.24+0.12+-0.242.94+-0.24
Mn I...-3.54+-0.16-0.69+-0.161.85+-0.16
Fe I...-2.85+-0.18...4.65+-0.18
Fe II...-2.86+-0.26...4.64+-0.26
Co I...-2.93+-0.15-0.08+-0.151.99+-0.15
Ni I...-2.95+-0.14-0.10+-0.143.30+-0.14
Sr II...-3.22+-0.35-0.37+-0.35-0.25+-0.35
Y II...-3.52+-0.20-0.67+-0.20-1.28+-0.20
Zr II...-2.51+-0.16+0.34+-0.160.09+-0.16
Ba II...-3.42+-0.14-0.57+-0.14-1.29+-0.14
Eu II...<-3.35<-0.5<-2.84
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C 5

A0114

Title A Search for Nitrogen-enhanced Metal-poor Stars
ADS J.A.Johnson et al.,ApJ, 658, 1203, 2007
Authors J. A. Johnson, F. Herwig, T. C. Beers, N. Christlieb

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2003-09-04 N/A RCCTIO N/A 122 3600 N/A
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Photometric data

V 11.817
B-V 1.123
V-R 0.642
V-K 2.789
EB-V 0.07

Atmospheric data

Teff 4476
log g 0.96
vturb 2.25

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
C...-2.42+-0.29+0.25+-0.296.14+-0.25
N...-2.17+-0.25+0.50+-0.255.88+-0.25
Ca I...-2.610.063.75
Ca II...-2.370.303.99
Fe...-2.67+-0.21...4.83+-0.21
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)