LP625-44: found in 6 paper(s).

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/W.Aoki et al.(2000)/ /W.Aoki et al.(2001)/ /J.E.Norris et al.(1997)/ /W.Aoki et al.(2002)/ /W.Aoki et al.(2003)/ /W.Aoki et al.(2006)/

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A0001

Title DETECTION OF LEAD IN THE CARBON-RICH, VERY METAL-POOR STAR LP 625-44: A STRONG CONSTRAINT ON s-PROCESS NUCLEOSYNTHESIS AT LOW METALLICITY
ADS W.Aoki et al.,ApJ, 536, L97, 2000
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
1996-08-05 ANGLO 40000 60-150 N/A
1998-08-11 2451037.00 ANGLO N/A N/A N/A 33.5+-0.2
2000-01-26 2451569.80 WHTUES N/A N/A N/A 30.3+-0.3
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Binarity

Binarity Positive
Vrad 33.5
Period 4382.9064

Photometric data

V 11.85

Atmospheric data

Teff 5500
log g 2.8
vturb 1.6

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Fe I...-2.71+-0.13...4.78+-0.13
Fe II...-2.70+-0.18...4.79+-0.18
Sr II...-1.56+-0.16+1.15+-0.161.37+-0.16
Y II...-1.79+-0.12+0.92+-0.120.45+-0.12
Zr II...-1.40+-0.12+1.31+-0.121.22+-0.12
Ba II...0.03+-0.20+2.74+-0.202.26+-0.20
La II...-0.21+-0.13+2.50+-0.131.02+-0.13
Ce II...-0.44+-0.12+2.27+-0.121.20+-0.12
Pr II...-0.26+-0.12+2.45+-0.120.55+-0.12
Nd II...-0.49+-0.12+2.22+-0.121.00+-0.12
Sm II...-0.51+-0.12+2.20+-0.120.48+-0.12
Eu II...-0.74+-0.20+1.97+-0.20-0.2+-0.20
Gd II...-0.40+-0.13+2.31+-0.130.70+-0.13
Dy II...-0.73+-0.2+1.98+-0.20.1+-0.2
Er II...-0.67+-0.2+2.04+-0.20.3+-0.2
Tm II...-0.75+-0.2+1.96+-0.2-0.6+-0.2
Hf II...0.05+-0.2+2.76+-0.20.8+-0.2
Pb I...-0.06+-0.2+2.65+-0.22.0+-0.2
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

A0013

Title NEUTRON CAPTURE ELEMENTS IN s-PROCESSÈRICH, VERY METAL-POOR STARS
ADS W.Aoki et al.,ApJ, 561, 346, 2001
Authors W. Aoki, S. G. Ryan, J. E. Norris, T. C. Beers, H. Ando, N. Iwamoto, T. Kajino, G. J. Mathews, M. Y. Fujimoto

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
1996-10-21 N/A ANGLO N/A 150 N/A N/A
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination -01 49 42
Right Ascension 16 40 38

Binarity

Binarity Positive
Period 4382.9064

Photometric data

V 11.85
B-V 0.69

Atmospheric data

Teff 5500
log g 2.8
vturb 1.6

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
C...-0.612.18.0
N...-1.711.06.3
Fe I...-2.71+-0.13...4.78+-0.13
Fe II...-2.70+-0.18...4.79+-0.18
Sr II...-1.56+-0.161.15+-0.161.37+-0.16
Y II...-1.72+-0.120.99+-0.120.52+-0.12
Zr II...-1.37+-0.121.34+-0.121.25+-0.12
Ba II...0.03+-0.202.74+-0.202.26+-0.20
La II...-0.25+-0.132.46+-0.130.98+-0.13
Ce II...-0.44+-0.122.27+-0.121.20+-0.12
Pr II...-0.26+-0.122.45+-0.120.58+-0.12
Nd II...-0.41+-0.122.30+-0.121.08+-0.12
Sm II...-0.50+-0.122.21+-0.120.48+-0.12
Eu II...-0.74+-0.201.97+-0.20-0.2+-0.20
Gd II...-0.40+-0.132.31+-0.130.70+-0.13
Dy II...-1.07+-0.21.64+-0.20.1+-0.2
Er II...-0.67+-0.22.04+-0.20.3+-0.2
Tm II...-0.75+-0.21.96+-0.2-0.6+-0.2
Hf II...0.05+-0.22.76+-0.20.8+-0.2
Pb I...-0.16+-0.22.55+-0.21.9+-0.2
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C 20

A0040

Title Extremely Metal-poor Stars. IV. The Carbon-rich Objects
ADS J.E.Norris et al.,ApJ, 488, 350, 1997
Authors J. E. Norris, S. R. Ryan, T. C. Beers

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
1988-05-23 2447305.10 ANGLO 40000 N/A N/A 27.6+-1.4
1992-08-16 2448850.93 ANGLO 40000 N/A N/A 38.3+-0.3
1992-08-18 2448852.52 N/A N/A 36.4+-0.4
1994-06-16 2449520.02 ANGLO 40000 N/A N/A 38.4+-0.2
1995-04-15 2449823.29 ANGLO 40000 N/A N/A 37.7+-0.2
1996-08-05 2450299.92 ANGLO 40000 N/A N/A 36.8+-0.1
1996-08-28 2450322.93 ANGLO 40000 N/A N/A 37.0+-0.3
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Binarity

Vrad 37.0+-0.3

Photometric data

V 11.85
B-V 0.69
R-I 0.42
EB-V 0.08

Atmospheric data

Teff 5500
log g 2.8
vturb 1.0

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-0.73+-0.22+1.95+-0.227.82+-0.22
CN...-1.03+-0.44+1.65+-0.446.94+-0.44
Mg I...-1.86+-0.20+0.82+-0.205.72+-0.20
Al I...-2.92+-0.10-0.24+-0.103.55+-0.10
Ca I...-2.07+-0.20+0.61+-0.204.29+-0.20
Sc II...-1.55+-0.12+1.13+-0.121.62+-0.12
Ti I...-1.70+-0.55+0.98+-0.553.32+-0.55
Ti II...-2.23+-0.20+0.45+-0.202.79+-0.20
Cr I...-2.70+-0.16-0.02+-0.162.97+-0.16
Mn I...-3.36+-0.11-0.68+-0.112.03+-0.11
Fe I...-2.68+-0.31...4.82+-0.31
Co I...-2.72+-0.21-0.04+-0.212.20+-0.21
Ni I...-1.96+-0.47+0.72+-0.474.29+-0.47
Sr II...-1.95+-0.13+0.73+-0.131.02+-0.13
Y II...-1.30+-0.23+1.38+-0.230.94+-0.23
Zr II...-1.06+-0.36+1.62+-0.361.54+-0.36
Ba II...-0.11+-0.17+2.57+-0.172.02+-0.17
La II...-0.12+-0.24+2.56+-0.241.05+-0.24
Ce II...0.02+-0.22+2.70+-0.221.60+-0.22
Nd II...-0.07+-0.21+2.61+-0.211.43+-0.21
Sm II...-0.49+-0.26+2.19+-0.260.52+-0.26
Eu II...-0.93+-0.31+1.75+-0.31-0.42+-0.31
Dy II...-0.98+-0.17+1.70+-0.170.16+-0.17
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

A0058

Title Chemical Composition of Carbon-Rich, Very Metal-Poor Subgiant LP 625-44 Observed with the Subaru/HDS
ADS W.Aoki et al.,PASJ, 54, 427, 2002
Authors W. Aoki, H. Ando, S. Honda, M. Iye, H. Izumiura, T. Kajino, E. Kambe, S. Kawanomoto, K. Noguchi, K. Okita, K. Sadakane, B. Sato, I. Shelton, M. Takada-Hidai, Y. Takeda, E. Watanabe, M. Yoshida

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2000-07-03 N/A SUBARUHDS 90000 130 3600 N/A
2000-08-21 N/A SUBARUHDS 90000 70 3600 N/A
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Atmospheric data

Teff 5500
log g 2.5+-0.3
vturb 1.2+-0.3

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
C...-0.47+-0.23+2.25+-0.238.1+-0.23
CN...-1.77+-0.35+0.95+-0.356.2+-0.35
O...-0.87+1.858.00
Na I...-0.97+-0.14+1.75+-0.145.35+-0.14
Mg I...-1.60+-0.24+1.12+-0.245.98+-0.24
Al I...-2.78+-0.25-0.06+-0.253.71+-0.25
Ca I...-2.37+-0.21+0.35+-0.213.98+-0.21
Sc II...-2.34+-0.34+0.38+-0.340.76+-0.34
Ti I...-2.42+-0.19+0.30+-0.192.52+-0.19
Ti II...-2.36+-0.25+0.36+-0.252.58+-0.25
Cr I...-2.93+-0.26-0.21+-0.262.76+-0.26
Mn I...-3.23+-0.27-0.51+-0.272.30+-0.27
Fe I...-2.72+-0.20...4.78+-0.20
Fe II...-2.73+-0.15...4.77+-0.15
Co I...-2.54+-0.19+0.18+-0.192.37+-0.19
Ni I...-2.88+-0.27-0.16+-0.273.37+-0.27
Sr II...-1.60+-0.24+1.12+-0.241.32+-0.24
Y II...-1.70+-0.22+1.02+-0.220.53+-0.22
Zr II...-1.22+-0.21+1.50+-0.211.39+-0.21
Ba II...0.09+-0.24+2.81+-0.242.31+-0.24
La II...-0.32+-0.26+2.40+-0.260.90+-0.26
Ce II...-0.50+-0.23+2.22+-0.231.14+-0.23
Pr II...-0.62+-0.26+2.10+-0.260.18+-0.26
Nd II...-0.63+-0.17+2.09+-0.170.86+-0.17
Sm II...-0.69+-0.22+2.03+-0.220.29+-0.22
Eu II...-1.00+-0.24+1.72+-0.24-0.48+-0.24
Gd II...-0.49+-0.17+2.23+-0.170.60+-0.17
Dy II...-0.66+-0.25+2.06+-0.250.51+-0.25
Er II...-0.27+-0.27+2.45+-0.270.70+-0.27
Tm II...-0.48+-0.27+2.24+-0.27-0.33+-0.27
Yb II...0.64+3.361.60
Hf II...-0.27+-0.27+2.45+-0.270.48+-0.27
Pb I...-0.12+-0.22+2.6+-0.221.9+-0.22
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

A0080

Title Europium Isotope Ratios in s-Process Element-enhanced Metal-poor Stars: A New Probe of the 151Sm Branching
ADS W.Aoki et al.,ApJ, 592, L67, 2003
Authors W. Aoki, S. G. Ryan, N. Iwamoto, T. C. Beers, J. E. Norris, H. Ando, T. Kajino, G. J. Mathews, M. Y. Fujimoto

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2002-08-22 2452509 SUBARUHDS 90000 137 270 28.41+-0.19
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Binarity

Binarity Positive

Atmospheric data

Teff 5500
log g 2.5
vturb 1.2

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Eu II...-0.94...-0.43
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

151Eu/153Eu 0.60+-0.06

A0093

Title Carbon-enhanced Metal-poor Stars: Osmium and Iridium Abundances in the Neutron-Capture-enhanced Subgiants CS 31062-050 and LP 625-44
ADS W.Aoki et al.,ApJ, 650, L127, 2006
Authors W. Aoki, S. Bisterzo, R. Gallino, T. C. Beers, J. E. Norris, S. G. Ryan, S. Tsangarides

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2002-08-00 N/A SUBARUHDS 90000 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 11.85

Atmospheric data

Teff 5500
log g 2.5

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Fe...-2.7...4.80
Ba...0.16+-0.2+2.86+-0.22.31+-0.2
La...-0.20+-0.07+2.50+-0.070.91+-0.07
Eu...-0.94+-0.05+1.76+-0.05-0.44+-0.05
Yb...-0.80+-0.3+1.9+-0.30.3+-0.3
Hf...-0.31+-0.1+2.39+-0.10.55+-0.1
Os...<-0.83<1.87<0.60
Ir...<-1.21<1.49<0.15
Pb...-0.03+-0.1+2.67+-0.11.95+-0.1
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)