BPS CS22950-046: found in 6 paper(s).

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/E.Carretta et al.(2002)/ /J.G.Cohen et al.(2002)/ /A.McWilliam et al.(1995)/ /A.McWilliam et al.(1995)/ /J.A.Johnson et al.(2007)/ /Y.Ishimaru et al.(2004)/

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A0028

Title STELLAR ARCHAEOLOGY: A KECK PILOT PROGRAM ON EXTREMELY METAL-POOR STARS FROM THE HAMBURG/ESO SURVEY. II. ABUNDANCE ANALYSIS
ADS E.Carretta et al.,AJ, 124, 481, 2002
Authors E. Carretta, R. Gratton, J. G. Palomar O. Cohen, T. C. Department of Physics and Astronomy, MSU. Beers, N. Christlieb

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2000-09 N/A KECKHIRES 45000 N/A N/A

Photometric data

V 14.22

Atmospheric data

Teff 4730
log g 1.30
vturb 2.02

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Mg I...-2.83+-0.240.44+-0.244.75+-0.24
Al I...-3.79-0.522.68
Si I...-2.780.494.77
Ca I...-3.02+-0.060.25+-0.063.34+-0.06
Sc II...-3.04+-0.060.23+-0.060.13+-0.06
Ti I...-3.14+-0.060.13+-0.061.88+-0.06
Ti II...-3.09+-0.170.18+-0.171.93+-0.17
Cr I...-3.85+-0.12-0.58+-0.121.82+-0.12
Mn I...-4.20+-0.20-0.93+-0.201.19+-0.20
Fe I...-3.27+-0.10...4.23+-0.10
Fe II...-3.44+-0.14...4.06+-0.14
Sr II...-3.62+-0.04-0.35+-0.04-0.65+-0.04
Ba II...-4.64-1.37-2.51
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

A0029

Title STELLAR ARCHAEOLOGY: A KECK PILOT PROGRAM ON EXTREMELY METAL-POOR STARS FROM THE HAMBURG/ESO SURVEY. I. STELLAR PARAMETERS
ADS J.G.Cohen et al.,AJ, 124, 470, 2002
Authors J. G. Palomar O. Cohen, N. Christlieb, T. C. Department of Physics and Astronomy, MSU. Beers, R. Gratton, E. Carretta

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2000-09 N/A KECKHIRES 45000 93 2400

Binarity

Vrad +106.7

Photometric data

V 14.224
B-V 0.906
U-B 0.345
J 12.228
K 11.570
EB-V 0.108

Atmospheric data

Teff 4730
log g 1.3

A0038

Title A Spectroscopic Analysis of 33 of the Most Metal-Poor Stars.I.
ADS A.McWilliam et al.,AJ, 109, 2736, 1995
Authors A. McWilliam, G. W. Preston, C. Sneden, S. Shectman

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A N/A FRUTTI 22000 N/A N/A N/A

Photometric data

V 14.24
B-V 0.894
V-R 0.569

A0039

Title Spectroscopic Analysis of 33 of the Most Metal Poor Stars. II.
ADS A.McWilliam et al.,AJ, 109, 2757, 1995
Authors A. McWilliam, G. W. Preston, C. Sneden, L. Searle

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A FRUTTI 22000 N/A N/A N/A
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Photometric data

V 14.24
B-V 0.894
V-R 0.569

Atmospheric data

Teff 4640
log g 0.85+-0.28
vturb 2.68+-0.12

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
C...-3.46-0.065.09
Na...-3.67-0.272.66
Mg...-3.020.384.56
Ca...-2.950.453.41
Fe I...-3.40...4.10
Fe II...-3.40...4.10
Ni...-3.140.263.11
Sr...-4.03-0.63-1.06
Ba...-4.60-1.20-2.47
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

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
2003-08-30 N/A RCKPNO N/A 45 7200 N/A
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Photometric data

V 14.224
V-R 0.585
V-K 2.641
EB-V 0.06

Atmospheric data

Teff 4604
log g 1.25
vturb 2.11

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
C...-3.79+-0.29-0.50+-0.294.77+-0.25
N...-2.99+-0.25+0.30+-0.256.16+-0.25
Ca I...-3.230.063.13
Ca II...-2.990.303.37
Fe...-3.29+-0.21...4.21+-0.21
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

A0189

Title The Detection of Low Eu Abundances in Extremely Metal-poor Stars and the Origin of r-Process Elements
ADS Y.Ishimaru et al.,ApJ, 600, L47, 2004
Authors Y. Ishimaru, S. Wanajo, W. Aoki, S. G. Ryan

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2001-07 N/A SUBARUHDS 50000 N/A 21600 N/A
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Atmospheric data

Teff 4730
log g 1.3
vturb 2.0

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Fe I...-3.34+-0.18...+4.16+-0.18
Fe II...-3.34+-0.18...+4.16+-0.18
Sr II...-3.52+-0.30-0.18+-0.30-0.60+-0.30
Ba II...-4.65+-0.19-1.31+-0.19-2.43+-0.19
Eu II...<-3.54<-0.2<-3.0
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)