BPS CS30325-028: found in 4 paper(s).

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/D.K.Lai et al.(2004)/ /W.Aoki et al.(2005)/ /D.K.Lai et al.(2007)/ /D.K.Lai et al.(2008)/

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A0022

Title ABUNDANCES OF EXTREMELY METAL-POOR STAR CANDIDATES
ADS D.K.Lai et al.,AJ, 128, 2402, 2004
Authors D. K. Lai, M. Bolte, J. A. Johnson, S. Lucatello

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2001-07-7 N/A KECKII 7000 150 450 N/A

Binarity

Vrad -127

Photometric data

V 12.88
B-V 0.76
EB-V 0.04

Atmospheric data

Teff 4887
log g 1.95
vturb -2.75

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Ca I...-2.300.494.06
Ti II...-2.260.532.76
Fe I...-2.79...4.71
Ba II...-4.41-1.62-2.28
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

A0057

Title Spectroscopic Studies of Very Metal-poor Stars with the Subaru High Dispersion Spectrograph. III. Light Neutron-Capture Elements
ADS W.Aoki et al.,ApJ, 632, 611, 2005
Authors W. Aoki, S. Honda, T. C. Beers, T. Kajino, H. Ando, J. E. Norris, S. G. Ryan, H. Izumiura, K. Sadakane, M. Takada-Hidai

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2001-04-14 N/A SUBARUHDS 50000 116 30min -148.22+-0.17
2002-02-02 N/A SUBARUHDS 50000 129 30min -145.82+-0.12
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination +061705
Right Ascension 150519.8

Binarity

Vrad -148.22+-0.17

Photometric data

V 12.868
B 13.640
H 10.709
J 11.207
K 10.626
EB-V 0.01

Atmospheric data

Teff 4900
log g 1.8
vturb 2.0

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-2.140.66.2
Mg I...-2.14+-0.110.6+-0.115.44+-0.11
Al I...-3.26+-0.18-0.52+-0.183.23+-0.18
Ca I...-2.42+-0.110.32+-0.113.93+-0.11
Sc II...-2.54+-0.250.2+-0.250.56+-0.25
Ti I...-2.54+-0.120.2+-0.122.4+-0.12
Ti II...-2.35+-0.240.39+-0.242.59+-0.24
Cr I...-3.03+-0.1-0.29+-0.12.66+-0.1
Mn I...-3.39+-0.17-0.65+-0.172.14+-0.17
Fe I...-2.74+-0.2...4.76+-0.2
Fe II...-2.73+-0.19...4.77+-0.19
Co I...-2.46+-0.10.28+-0.12.45+-0.1
Ni I...-2.78+-0.11-0.04+-0.113.47+-0.11
Zn I...-2.56+-0.210.18+-0.212.11+-0.21
Sr II...-2.47+-0.150.27+-0.150.45+-0.15
Y II...-2.77+-0.24-0.03+-0.24-0.54+-0.24
Zr II...-2.36+-0.260.38+-0.260.25+-0.26
Ba II...-3.36+-0.23-0.62+-0.23-1.14+-0.23
La II...-3.05+-0.29-0.31+-0.29-1.86+-0.29
Nd II...-2.78+-0.25-0.04+-0.25-1.29+-0.25
Eu II...-2.76+-0.25-0.02+-0.25-2.21+-0.25
Dy II...-2.76+-0.25-0.02+-0.25-1.02+-0.25
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

A0128

Title Carbon and Strontium Abundances of Metal-poor Stars
ADS D.K.Lai et al.,ApJ, 667, 1185, 2007
Authors D. K. Lai, J. A. Johnson, M. Bolte, S. Lucatello

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A N/A KECKII 7000 N/A N/A N/A

Atmospheric data

Teff 4887
log g 1.95

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
C...-2.24+-0.190.55+-0.196.31+-0.19
Fe...-2.79...4.71
Sr...-2.430.360.54
Ba...-3.22-0.43-1.09
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

A0181

Title Detailed Abundances for 28 Metal-poor Stars: Stellar Relics in the Milky Way
ADS D.K.Lai et al.,ApJ, 681, 1524, 2008
Authors D. K. Lai, M. Bolte, J. A. Johnson, S. Lucatello

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2005-05-29 N/A KECKHIRES N/A 129 5400 -148.8+-0.2
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Photometric data

V 12.889

Atmospheric data

Teff 4911+-100
log g 1.70+-0.2
vturb 1.8+-0.2

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
C...-2.52+-0.220.38+-0.226.03+-0.22
N...-3.12+-0.27-0.22+-0.274.85+-0.27
OH...-2.33+-0.310.57+-0.316.54+-0.31
Mg...-2.49+-0.040.41+-0.045.09+-0.04
Ca...-2.58+-0.050.32+-0.053.78+-0.05
Sc II...-2.82+-0.070.08+-0.070.35+-0.07
Ti I...-2.64+-0.060.26+-0.062.38+-0.06
Ti II...-2.55+-0.060.35+-0.062.47+-0.06
V I...-3.01+-0.16-0.11+-0.160.99+-0.16
V II...-2.87+-0.070.03+-0.071.13+-0.07
Cr I...-3.16+-0.04-0.26+-0.042.51+-0.04
Cr II...-2.91+-0.08-0.01+-0.082.76+-0.08
Mn I...-3.41+-0.12-0.51+-0.121.98+-0.12
Mn II...-3.31+-0.11-0.41+-0.112.08+-0.11
Fe I...-2.90+-0.09...4.60+-0.09
Fe II...-2.96+-0.08...4.54+-0.08
Co...-2.67+-0.080.23+-0.082.25+-0.08
Ni...-2.94+-0.05-0.04+-0.053.31+-0.05
Cu...-4.08+-0.07-1.18+-0.070.13+-0.07
Zn...-2.57+-0.080.33+-0.082.03+-0.08
Sr II...-2.74+-0.180.16+-0.180.23+-0.18
Y II...-2.89+-0.080.01+-0.08-0.65+-0.08
Zr II...-2.50+-0.080.40+-0.080.10+-0.08
Ba II...-3.24+-0.08-0.34+-0.08-1.11+-0.08
La II...-3.08+-0.17-0.18+-0.17-1.91+-0.17
Eu II...-2.75+-0.210.15+-0.21-2.24+-0.21
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)