Items where Author is "Aoki, W."
Number of items: 24.
Article
A three-dimensional hydrodynamical line profile analysis of iron lines and barium isotopes in HD140283. (2015)
A. J. Gallagher,
H. G. Ludwig,
Sean G. Ryan
and
W. Aoki
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The barium isotopic mixture for the metal-poor subgiant star HD 140283. (2010)
A.J. Gallagher,
Sean G. Ryan,
A.E. Garcia Perez
and
W. Aoki
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6Li/7Li estimates for metal-poor stars. (2009)
A.E. Garcia Perez,
W. Aoki,
S. Inoue,
Sean G. Ryan,
T.K. Suzuki
and
M. Chiba
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Lithium abundances of extremely metal-poor turnoff stars. (2009)
W. Aoki,
P.S. Barklem,
T.C. Beers,
N. Christlieb,
S. Inoue,
A.E. Garcia Perez,
J.E. Norris
and
D. Carollo
A new sample of extremely/ultra metal-poor stars. (2008)
A. E. Garcia Perez,
N. Christlieb,
Sean G. Ryan,
T.C. Beers,
W. Aoki,
M. Asplund,
P.S. Barklem,
M.S. Bessell,
K. Eriksson,
A. Frebel,
B. Gustafsson,
A.J. Korn,
B. Nordstrom
and
J.E. Norris
Carbon-Enhanced Metal-Poor Stars. III : Main-Sequence Turn-Off Stars from the SDSS/SEGUE Sample. (2008)
W. Aoki,
T.C. Beers,
T. Sivarani,
B. Marsteller,
Y.S. Lee,
S. Honda,
J.E. Norris,
Sean G. Ryan
and
D. Carollo
Carbon enhanced metal-poor stars I : Chemical compositions of 26 stars. (2007)
W. Aoki,
T.C. Beers,
N. Christlieb,
J.E. Norris,
Sean G. Ryan
and
S. Tsangarides
Spectroscopic studies of extremely metal-poor stars with the Subaru high dispersion spectrograph. IV : The alpha-element-enhanced metal-poor star BS16934-002. (2007)
W. Aoki,
S. Honda,
T.C. Beers,
M. Takada-Hidai,
N. Iwamoto,
N. Tominaga,
H. Umeda,
K. Nomoto,
J.E. Norris
and
Sean G. Ryan
Carbon-enhanced metal-poor stars. Osmium and iridium abundances in the neutron-capture-enhanced subgiants CS31062-050 and LP625-44. (2006)
W. Aoki,
S. Bisterzo,
R. Gallino,
T.C. Beers,
J.E. Norris,
Sean G. Ryan
and
S. Tsangarides
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A high-resolution spectral analysis of three carbon-enhanced metal-poor stars. (2006)
A. Goswami,
W. Aoki,
T.C. Beers,
N. Christlieb,
J.E. Norris,
Sean G. Ryan
and
S. Tsangarides
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Nucleosynthetic signatures of the first stars. (2005)
A. Frebel,
W. Aoki,
N. Christlieb,
H. Ando,
M. Asplund,
P.S. Barklem,
T.C. Beers,
K. Eriksson,
C. Fechner,
M.Y. Fujimoto,
S. Honda,
T. Kajino,
T. Minezaki,
K. Nomoto,
J.E. Norris,
Sean G. Ryan,
M. Takada-Hidai,
S. Tsangarides
and
Y. Yoshii
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The new record holder for the most iron-poor star: HE 1327−2326, a dwarf or subgiant with [Fe/H] = −5.4. (2005)
A. Frebel,
W. Aoki,
N. Christlieb,
H. Ando,
M. Asplund,
P.S. Barklem,
T.C. Beers,
K. Eriksson,
C. Fechner,
M.Y. Fujimoto,
S. Honda,
T. Kajino,
T. Minezaki,
K. Nomoto,
J.E. Norris,
Sean G. Ryan,
M. Takada-Hidai,
S. Tsangarides
and
Y. Yoshii
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A low upper-limit on the lithium isotope ratio in HD140283. (2004)
W. Aoki,
S. Inoue,
S. Kawanomoto,
Sean G. Ryan,
I.M. Smith,
T.K. Suzuki
and
M. Takada-Hidai
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Oxygen Overabundance in the Extremely Iron-poor Star CS 29498-043. (2004)
W. Aoki,
J.E. Norris,
Sean G. Ryan,
T.C. Beers,
N. Christlieb,
S. Tsangarides
and
H. Ando
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Spectroscopic Studies of Extremely Metal-Poor Stars with the Subaru High Dispersion Spectrograph. I. Observational Data. (2004)
S. Honda,
W. Aoki,
H. Ando,
H. Izumiura,
T. Kajino,
E. Kambe,
S. Kawanomoto,
K. Noguchi,
K. Okita,
K. Sadakane,
B. Sato,
M. Takada-Hidai,
Y. Takeda,
E. Watanabe,
T.C. Beers,
J.E. Norris
and
Sean G. Ryan
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The Detection of Low Eu Abundances in Extremely Metal-poor Stars and the Origin of r-Process Elements. (2004)
Y. Ishimaru,
S. Wanajo,
W. Aoki
and
Sean G. Ryan
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Europium Isotope Ratios in s-Process Element-enhanced Metal-poor Stars : A New probe of the 151Sm Branching. (2003)
W. Aoki,
Sean G. Ryan,
N. Iwamoto,
T.C. Beers,
J.E. Norris,
H. Ando,
T. Kajino,
G.J. Mathews
and
M.Y. Fujimoto
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A Subaru/High Dispersion Spectrograph Study of Lead (Pb) Abundances in Eight s-Process Element-rich, Metal-poor Stars. (2002)
W. Aoki,
Sean G. Ryan,
J.E. Norris,
T.C. Beers,
H. Ando
and
S. Tsangarides
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Lithium 6104 A in Population II stars. (2002)
A. Ford,
R.D. Jeffries,
B. Smalley,
Sean G. Ryan,
W. Aoki,
S. Kawanomoto,
D.J. James
and
John R. Barnes
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Chemical Composition fo the Carbon-rich, Extremely Metal Poor Star CS 29498-043. (2002)
W. Aoki,
J.E. Norris,
Sean G. Ryan,
T.C. Beers
and
H. Ando
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Extremely Metal-poor Stars : IX CS 22949-037 and the Role of Hypernovae. (2002)
J.E. Norris,
Sean G. Ryan,
T.C. Beers,
H. Ando
and
W. Aoki
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The Chemical Composition of Carbon-rich, very Metal Poor Stars : A New Class of Mildly Carbon Rich Objects without Excess of Neutron-Capture Elements. (2002)
W. Aoki,
J.E. Norris,
Sean G. Ryan,
T.C. Beers
and
H. Ando
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Neutron Capture Elements in s-Process-Rich, Very Metal-Poor Stars. (2001)
W. Aoki,
Sean G. Ryan,
J.E. Norris,
T.C. Beers,
H. Ando,
N. Iwamoto,
T. Kajino,
G.J. Mathews
and
M.Y. Fujimoto
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s- and r-process elements in two very metal-poor stars. (2001)
Sean G. Ryan,
W. Aoki,
L.A.J. Blake,
J.E. Norris,
T.C. Beers,
R. Gallino,
M. Busso
and
H. Ando
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