Items where Author is "Beers, T.C."

Number of items: 33.
Article
  • Abundances of carbon-enhanced metal-poor stars as constraints on their formation. (2016) C.J. Hansen, B. Nordström, T.T. Hansen, C.R. Kennedy, V.M. Placco, T.C. Beers, J. Andersen, Gabriele Cescutti and Cristina Chiappini
  • 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
  • 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
  • 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
  • Mg abundances in metal-poor halo stars as a tracer of early Galactic mixing. (2005) E. Arnone, Sean G. Ryan, D. Argast, J.E. Norris and T.C. Beers
  • The Binary Frequency Among Carbon-enhanced, s-Process-rich, Metal-poor Stars. (2005) S. Lucatello, S. Tsangarides, T.C. Beers, E. Carretta, R.G. Gratton and Sean G. Ryan
  • 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
  • The Hamburg/ESO R-process Enhanced Star survey (HERES). I : Project description and discovery of two stars with strong enhancements of neutron-capture elements. (2004) N. Christlieb, T.C. Beers, P.S. Barklem, M.S. Bessell, V. Hill, J. Holmberg, A.J. Korn, B. Marsteller, L. Mashonkina, Y.Z. Qian, S. Rossi, G.J. Wasserburg, F.J. Zickgraf, K.L. Kratz, B. Nordstrom, B. Pfeiffer, J. Rhee and Sean G. Ryan
  • 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
  • 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
  • On the binarity of carbon-enhanced, metal-poor stars. (2004) S. Tsangarides, Sean G. Ryan and T.C. Beers
  • 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
  • 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
  • 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
  • Rapid Rotation of Ultra-Li-depleted Halo Stars and Their Association with Blue Stragglers. (2002) Sean G. Ryan, S. Gregory, U. Kolb, T.C. Beers and T. Kajino
  • 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
  • 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
  • Extremely Metal-Poor Stars. VIII. High-Resolution, HighSignal-to-Noise Ratio Analysis of Five Stars with [Fe/H][[3.5. (2001) J.E. Norris, Sean G. Ryan and T.C. Beers
  • 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
  • Abundances and Evolution of Lithium in the Galactic Halo and Disk. (2001) Sean G. Ryan, T. Kajino, T.C. Beers, T.K. Suzuki, D. Romano, F. Matteucci and K. Rosolankova
  • Ultra-Lithium-deficient Halo Stars and Blue Stragglers : A Common Origin? (2001) Sean G. Ryan, T.C. Beers, T. Kajino and K. Rosolankova
  • 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
  • Primordial Lithium and Big Bang Nucleosynthesis. (2000) Sean G. Ryan, T.C. Beers, K.A. Olive, B.D. Fields and J.E. Norris
  • Beryllium Abundances in Halo Stars from Keck/HIRES Observations. (1999) A.M. Boesgaard, C.P. Deliyannis, J.R. King, Sean G. Ryan, S. Vogt and T.C. Beers
  • Estimation of Stellar Metal Abundance. II : A Recalibration of the Ca II K Technique, and the Autocorrelation Function Method. (1999) T.C. Beers, S. Rossi, J.E. Norris, Sean G. Ryan and T. Shefler
  • The Spite Lithium Plateau: Ultrathin but Postprimordial. (1999) Sean G. Ryan, J.E. Norris and T.C. Beers
    • Conference or Workshop Item
  • NLTE spectral analysis of helium-rich sdO stars from the southern HK survey. (1996) J.S. Drilling, R. Napiwotzki, S. Dreizler, U. Heber and T.C. Beers
    • Other
  • Abundances and Kinematics of Extremely Metal-Deficient, Carbon-Rich Halo Stars. (2003) S. Tsangarides, Sean G. Ryan and T.C. Beers