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Browsing by Author "Ando, H."
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Chemical Composition fo the Carbon-rich, Extremely Metal Poor Star CS 29498-043
Aoki, W.; Norris, J.E.; Ryan, Sean G.; Beers, T.C.; Ando, H. (2002-09) -
The Chemical Composition of Carbon-rich, very Metal Poor Stars : A New Class of Mildly Carbon Rich Objects without Excess of Neutron-Capture Elements
Aoki, W.; Norris, J.E.; Ryan, Sean G.; Beers, T.C.; Ando, H. (2002-03) -
Europium Isotope Ratios in s-Process Element-enhanced Metal-poor Stars : A New probe of the 151Sm Branching
Aoki, W.; Ryan, Sean G.; Iwamoto, N.; Beers, T.C.; Norris, J.E.; Ando, H.; Kajino, T.; Mathews, G.J.; Fujimoto, M.Y. (2003-08) -
Extremely Metal-poor Stars : IX CS 22949-037 and the Role of Hypernovae
Norris, J.E.; Ryan, Sean G.; Beers, T.C.; Ando, H.; Aoki, W. (2002-04) -
Neutron Capture Elements in s-Process-Rich, Very Metal-Poor Stars
Aoki, W.; Ryan, Sean G.; Norris, J.E.; Beers, T.C.; Ando, H.; Iwamoto, N.; Kajino, T.; Mathews, G.J.; Fujimoto, M.Y. (2001-11) -
The new record holder for the most iron-poor star: HE 1327−2326, a dwarf or subgiant with [Fe/H] = −5.4
Frebel, A.; Aoki, W.; Christlieb, N.; Ando, H.; Asplund, M.; Barklem, P.S.; Beers, T.C.; Eriksson, K.; Fechner, C.; Fujimoto, M.Y.; Honda, S.; Kajino, T.; Minezaki, T.; Nomoto, K.; Norris, J.E.; Ryan, Sean G.; Takada-Hidai, M.; Tsangarides, S.; Yoshii, Y. (2005)We describe the discovery of HE 1327−2326, a dwarf or subgiant with [Fe/H] = −5.4. The star was found in a sample of bright metal-poor stars selected from the Hamburg/ESO survey. Its abundance pattern is characterized by ... -
Nucleosynthetic signatures of the first stars
Frebel, A.; Aoki, W.; Christlieb, N.; Ando, H.; Asplund, M.; Barklem, P.S.; Beers, T.C.; Eriksson, K.; Fechner, C.; Fujimoto, M.Y.; Honda, S.; Kajino, T.; Minezaki, T.; Nomoto, K.; Norris, J.E.; Ryan, Sean G.; Takada-Hidai, M.; Tsangarides, S.; Yoshii, Y. (2005-04) -
Oxygen Overabundance in the Extremely Iron-poor Star CS 29498-043
Aoki, W.; Norris, J.E.; Ryan, Sean G.; Beers, T.C.; Christlieb, N.; Tsangarides, S.; Ando, H. (2004-06) -
s- and r-process elements in two very metal-poor stars
Ryan, Sean G.; Aoki, W.; Blake, L.A.J.; Norris, J.E.; Beers, T.C.; Gallino, R.; Busso, M.; Ando, H. (2001) -
Spectroscopic Studies of Extremely Metal-Poor Stars with the Subaru High Dispersion Spectrograph. I. Observational Data
Honda, S.; Aoki, W.; Ando, H.; Izumiura, H.; Kajino, T.; Kambe, E.; Kawanomoto, S.; Noguchi, K.; Okita, K.; Sadakane, K.; Sato, B.; Takada-Hidai, M.; Takeda, Y.; Watanabe, E.; Beers, T.C.; Norris, J.E.; Ryan, Sean G. (2004-05) -
A Subaru/High Dispersion Spectrograph Study of Lead (Pb) Abundances in Eight s-Process Element-rich, Metal-poor Stars
Aoki, W.; Ryan, Sean G.; Norris, J.E.; Beers, T.C.; Ando, H.; Tsangarides, S. (2002-12)